Thursday, April 11, 2019

Development of a Web-Based Student Information System for Secondary Schools in Nigeria Essay Example for Free

Development of a Web-Based Student Information constitution for Secondary Schools in Nigeria EssaySchool Management agreement In nearly Nigeria secondary schools, the computer memory, access code and counsel of information is very poor. Information regarding students, their respective classes, and subjects taught in these classes, performance assessment records, grade immersion and other forms of data manipulation are generally carried out manually using pen and booklets, in rare cases Microsoft Excel. Access to information can be cumbersome, irritating and frustrating due to poor storage and inaccessibility.Parents, officials and staff of these schools let out it very difficult to get certain information that could enhance their decision-making and completion of an designate task. I was asked by my instructor to analyze, design, develop and implement a practical solution that will placate these problems in a typical secondary school. The purpose of this report is to 1 ) Provide details on the operative requirements and design specification of a typical solution. 2) Demonstrate that the requirement that will be enounced in (1) above have been satisfied by implementing the solution. ) Provide details of the development process and critically follow the solution. The objective of this project is to design, develop and implement a computerized system that will enhance access, storage, processing and management of information regarding E-Student Management System student, their studies, teachers and subjects including student performance assessment records. I have designed, developed and implement a web-based system using technologies in Microsoft .Net framework 4. 0 and Microsoft SQL Server 2008 software. A abbreviated detail description of theories and techniques of the design and development of this solution is appraised in this report. Furthermore, an attached appendix explains the models, workflow and the architecture of the application. Use rs will be able to have access from any computer that has a browser and is connected to the internet. With a graphical user interface, this system is simple, user friendly and intuitive to use.It is not uncommon to find that many learning institutions in Nigeria, including secondary schools, still keep records in files and tucked them away in filling cabinets where they accumulate dust. Many of these files are often eaten up by rodents and cockroaches thus rendering them irretrievable. A great deal of routine administrative work in schools is still done manually with the state and the Federal government, including the administrators of this institutions showing little or no interest in embracing ICT. The administrative donkeywork in secondary school institutions an be better managed through ICT. Secondary education administrative functions embarrass a wide variety of activities such as educational governance, supervision, support services, infrastructure, 5 E-School Management Sy stem finance, budgeting, accounting, personnel selection and training system monitoring and evaluation, facilities procurement and management, equipment maintenance, and so on (Thomas, 1987). In most Nigerian schools, officials and staff still go through the laborious exercise of manually registering students, maintaining records of students? erformance, keeping stock list of supplies, doing cost accounting, paying bills and printing reports. The huge man-hour spent on these exercises can be drastically reduced with IT technologies to enhance overall management procedure. Thomas (1987), said that Computers bring great speed and true statement to each of these tasks, along with the convenience of storing large quantities of information on small disks or tapes? (P. 5). For the purpose of this project, problems connect to the management of information regarding student and their academic work, including teachers and subjects is the matter of concern.

Wednesday, April 10, 2019

Summarize the four major pieces of legislation collectively known as the Antitrust laws Essay Example for Free

Summarize the four major pieces of polity collectively known as the Antitrust laws EssayUnited States antitrust law is a order of federal and state government laws, which regulates the conduct and organization of business corporations, generally to promote beautiful contention for the benefit of consumers. The four major pieces of legislation known as the Antitrust Laws include The Sherman modus operandi, The Clayton Antitrust Act, The federal official Trade relegating, and the Celler-Kefauver Act. The Sherman Act was created in 1890 had two major provisions which was to prohibit conspiracies to restrain trade and to a fault to outlaw monopolization. In 1914 the Clayton Act was passed to expand off of the Sherman Act. The Clayton Act strengthened the Sherman Act in some(prenominal) ways price discrimination, typing contracts, acquisition, and interlocking directorates. In 1914, the Federal Trade military commission Act (FTC) was created to follow through antitrust laws a nd the Clayton Act in particular. The FTC investigates unfair competitive practices and when appropriate issues cease-and desist orders. In 1950 the Celler-Kefauver Act was created to obturate the loophole the was left available from the Clayton Acts Section 7.This clause was put in place to catch a firm from acquiring stocks in a competitive firm in order to merge. The Celler-Kefauver Act closed that loophole in order to prevent any firm from reducing the challenger. (McConnell 375) B. dispute the intended role of industrial regulation as it applies to the following market structures An oligopoly is a market form in which a market or industry is dominated by a small number of sellers. An oligopoly has the ability to jibe its own price and output. (McConnell 164) Industrial regulation is used to reduce the market power of monopolies.Its excessively used to reduce the market power of oligopolies, prevent collusion and increase market competition. A beautiful monopoly is a mar ket structure in which only one firm is the sole seller. The purpose of industrial regulation in regards to monopolies is clearly to protect the public from price gauging and companies controlling demand. Since monopolies have no competition they have complete control over pricing and work. (McConnell 195) C. Explain the major functions of the three primary federal and state regulatory commissions that govern industrial regulation.The Federal Energy Regulatory Commission or FERC (1930) is an free agency that regulates the interstate transmission of natural heavy weapon, electricity, oil pipelines, and water-powered sites. FERC also reviews proposals to build liquefied natural blow out (LNG) terminals and interstate natural gas pipelines as well as licensing hydro power projects. (2) The Federal Communication Commission or FCC (1934) regulates interstate and international communications by telephones, televisions, cable televisions, radios, telegraph, CB radios, and satellite in over 50 states.The FCC is directed by five commissioners who are appointed by the President of the United States and confirmed by the U. S Senate. (3) The State Public Utility Commissions is represented by NARUC which is responsible for utility services (electricity, gas telephones) in different states. (4) The reasoning behind the three is to control pricing so the public kitty benefit from the economies of scale that occur with monopolies and do so in a way that provides a fair return for those producers.Specifically, this intent is covered in the public interest theory of regulation which protects consumers from unfair pricing. D. Discuss the intended purpose of social regulation as it applies to all market structures. Social regulation deals with the broader collision of business on consumers, workers, environment and the third parties. Social regulation is concerned with the physical qualities of the goods produced, the conditions under which production occurs, and the impact of the production on society.Social regulation increases economic efficiency and societys well-being by removing unsafe products, improving working conditions and safety, decreasing economic discrimination, and reducing pollution. One example is the Equal Opportunity Commission that enforces laws against workplace discrimination. Social Regulation intrudes into the day-to-day production process to a greater extent than industrial regulation. (McConnell 384) E. Explain the major functions of the five primary federal regulatory commissions that govern social regulation.Food and do drugs Administration (1906) verifies safety and effectiveness of food, drugs, and cosmetics (1) Equal Employment Opportunity Commission (1964) exists to hire, promote, and discharge workers(1) Occupational caoutchouc and Health Administration (1972) exists to ensure health and safety for workers(1) Environment Protection Agency (1972) exists to regulate interference pollution, air, and water-powered Cons umer Product Safety Commission (1972) exists to protect the safety of consumer products(1)

Monday, April 8, 2019

Five Things Your Fingers Tell About You Essay Example for Free

Five Things Your Fingers separate About You EssayPurpose To state the audience about(predicate) what their finger length tells about them. al-Qaida How to know to a greater extent about yourself using your surround and king finger. Thesis Statement Finger length potful non be an indicator of what or who you really are because it just informs us more about ourselves by dint of our fingers length.IntroductionHello there Guys, did you know that your index finger is the best one to lose? Although it seems you indigence this finger more than any other, come about surgeons say that this is the best one to lose if you had a quality given by terrorists. But wait Dont lose it yet Listen to me for the first time and look at your fingers. Did you know that the length of your fingers can indicate how wellnessy you are, your sporting ability and purge your sexuality?BodyIt is thought that prenatal androgens affect the genes responsible for the development of fingers, toes and the reproductive system. High levels of androgens, such(prenominal) as testosterone increase the length of the fourth finger in comparison to the second finger. It is withal of the essence(p) in the development of masculine characteristics such as aggression and strength. Evidence is growing that the length of your fingers can tell you a lot about yourself. So here are the five things your fingers say about you. Your sexuality. The most obvious thing the length of your finger tells you is your sexuality. Scientist from the University of California taught that higher levels of androgen in the womb influence both finger length and sexual orientation. According to the study, mens resile fingers are normally protracted than their index fingers, while in women, ring fingers are normally shorter or tend to be the aforementioned(prenominal) length as their index fingers.A study also showed that lesbian women also tended to hold in more masculine arrangement-that is, they had shorter in dex fingers. Comparison between all men showed no differences. Only comic men with several older brothers had an unusually masculine finger ratio-in other words, they had significantly shorter index fingers. transsexual(prenominal) men without older brothers had finger length ratios indistinguishable from heterosexual men, indicating that factors other than hormones-such as genetic influences-also rear to sexual orientation.That you make a lot of money, or not. Researchers in Cambridge discovered that stock traders with long ring fingers made more up to 11 times their earnings than colleagues with shorter ring fingers. Again, this can be chalked up to higher testosterone, which can make men more assertive and presumable to take risks. According to a new study, having a relatively long ring finger, augurs well for success in those high-stress financial arenas where stiff thinking, good reflexes and good-old fashioned guts matter most. A long ring finger indicate greater exposure to testosterone in the womb which in turn gives high-frequency traders a biological leg up by encouraging the development of the right mix of mental attitude and physical skills for making money in a cutthroat business.How good you are at sports. Men and women whose ring fingers are longer that their index fingers are more likely to have an aptitude for sports. The correlation is particularly strong says finger bright Dr. John Manning, in middle and long distance runners. Those who have short index fingers may also do crack in playing tennis and soccer and they are also more likely to be left-handed. That you are good at math. It has long been known that boys tend to do relegate on math tests while girls do better at writing, reading and communicative tests. Scientist behind this study suggests that meter of finger length could help predict how well children will do in math and literacy.Scientist at the University of Bath found that children with masculine ring fingers- that i s, long ring finger than their index fingers, do better in math tests than in literacy tests. Alternately, children whose second and fourth fingers are the same length perform better in literacy tests. Again, this is because of hormones called testosterone and estrogen. Testosterone lengthens ring fingers and is associated with greater math and spatial functions, while estrogen lengthens index fingers and is associated with greater verbal skills. If you are prone to arthritis. Researchers at the University of Nottingham have now discovered that arthritis could be connected to the hands. Having a ring finger longer than an index finger nearly doubles the chance of developing osteoarthritis in the knees and hips. And according to the study, the risk was grater in women than in men.ConclusionFingers are really significant to all of us and it is impossible for us to live without them. These things are facts gathered from the studies that can help us to know and inform ourselves better. But still, you yourself can define what or who you really are even without knowing these facts. These ideas that I have brought onto you are just guidelines. Your finger length differences wont exactly define who you really are. Our health always depends on our lifestyle. Our future is the reward or the consequences of what we are doing in our present, it is in our hands not on our fingers. Let me end this speech with a quote by Fred Dehner, The best helping hand that you would ever receive is the one at the end of your own arm.

Sunday, April 7, 2019

My CAS Diary †Mountain bike riding Essay Example for Free

My CAS Diary Mountain bike ride EssayThis rather splendid activity I involved myself in took place in the uncouth district of Yarramundi. I accompanied the boys, Ben Irwin, David Wilkinson, Jordan Willis, Jarrod Quigley, Bailey McDougle and John Wright. This group had been forged by dint of a Tabitha elective in which I was non involved with. Despite my absence during the genesis of this group, they warmly welcomed me into their ranks, as one of their induce They went as far to facilitate me a sturdy steed of a mountain bike. The bike and I grew kinda close over our two journeys, tumbling though rocks, effortlessly riding through the toughest terrain in the Yarramundi heavens and, on occasions, tumbling into the think bush, which enclosed our already sm totally and treacherous riding track. I determine as if the previous sentence was not quite quintessential of the relationship I created with my exuberantly wonderfully bicycle. The only way I will be fit to express su ch feelings is through poetry, specifically that of John Dunne. The following exert has been taken from A Valediction Forbidding MourningBut we by a love so much refined,That ourselves know not what it is,Inter-assurd of the mind,Care less, eyes, lips and hands to miss.If they be two, they are two so As stiff twin compasses are two Thy soul, the fixd foot, makes no deliverTo move, but doth, if th other do.And though it in the centre sit,Yet, when the other far doth roam, It leans, and hearkens after it,And grows erect, as that comes home.I feel as if you too can now appreciate the bond made among man and machine. A bond, which can only be made when trudging through the harshest conditions. Where life can be taken away in a blink. Where every breath may be your last. The invest indispensable between myself and my monster was something incomparable to anything I consecrate experienced prior to this daytime. It has changed my life endlessly. Although, despite this, I am unsure w hether or not I am thankful for this burden of sorts.You see, the bike is not mine It is a love that I can never fully attain and this harsh creation tortures me in my mundane life I crave for such a feeling again. My every day life is plagued by the reminded that I will never be able to reach that level of love, trust and respect for anything else in my life. However, on the other hand I am forever thankful and forever in debt of the boys for introducing me to my machine, an instrument in which I created art with.What did I learn from this experience? Yet other mundane question I am made to answer through the unspoken covenant that rules my meditative statements. This is my silent protest to the trivialities of such a question, which insult the very memory of Her. The pen is stronger than the sword, honourable sir This is my rise against the stay putricting rules oppressing my broody creativity Despite this quarrel, I will answer your question, WITH ANOTHER QUESTION What hav e I NOT learnt from this wondrous experience?No answer? That is not a problem my good friend, for I am nurturing the answer in my complex and mysterious brain as I vitrine out, with passion, these very words youre reading. The answer is I have learnt everything I need to learn for my journeys through Yarramundi. I have learnt love, compassion and understanding, something conventional activities could never satisfy me with. Although, above all, this glorious, some may flush say life changing experience, I have gained a connection.A connection I alluded to in the above text but something that will never be able to be expressed through measly ink stains on paper No, sir They are of too high an order, too holy and all encompassing, too paralyzing for a mere mortal to comprehend (Although, Mrs. Menzies, I am sure youll be able to wrap your head around it with ease. This being because of your outstanding intelligence and other associated characteristics. Please let this reflective state ment suffice for now. I swear Ill get the rest to you soon)As think words of any great piece of writing leave you vernacularless, so will my eloquent speech render you into a mental, paralytic state that will leave you with a feeling of contentedness for the rest of your days.Unless I know who I am and why I am here, I can not live DostoevskyI am now alive.

Creative writing Essay Example for Free

Creative writing EssayNow this is a explanation both ab disclose me, when my life got twist turn upside d sustain, if you like to take a minute bonnie reading right here, Ill write you how I became a prince of a town called tonic tee shirt could you find a word that rhymes with New Jersey?In East London Im born and raise on a hornswoggleground is where Ive spent the most of my days chilling out, relaxing all change and all kicking some football outside of school when a couple of guys, they were up to no good started making trouble in my neighbourhood I got in one little entreat and my mum got sc ard and said youre moving with your aunt and uncle in New Jersey here, have this Hershey that agreeable of rhymes. If you didnt accredit Hershey is a chocolate bar that is sold in America.Although I would like to think that I was the fresh prince, my story didnt exactly start out like that. Instead of my parents s annihilateing me to my relatives because of academic problems, I went because I have been nagging them for a really capacious time. Im not saying that my academic take aim was r distributivelying its fullest potential before I went, but the main reason I went was to have a sagacity of affairs to come. For as long as I can remember I have of all time involveed to live in one of those semi-detached American houses with the whopping expect garden, golden retriever, two kids and a large garage.When most people watch American films they are focused on the storyline, but when I watch them not only am I reflexion the story, but withal at the cover charge of my mind I am constantly absorbing the American arseground. Finally in the summer of 2000 July 3rd, I got the chance to have a taste of my dream. Even though it was safe a small taste, it was adequacy to last me however long it will take to finally move at that place. When my parents did decide that it was o. k. to send me at that place, it was there idea of making me have a taste o f the real world.There idea of a taste of the real world was my idea of a taste of a dream. At the time I had just finished my GCSEs, and my grades were not that great. My parents had planned that America would change my course I guess it did in the end but my gravidgest change was with my personality. When I did return I felt more confident, independent, funny and larger (thank to those large American portions of food). Everything leading up to the day I left flew by and before I knew it I was in the airport sitting at the waiting room with my pa.I remember my dad macrocosm really calm and cool about everything, he never really got sad in front of me especially with good-bys. He told me stories about when he went to New York for the stolon time Now this is a story all about your dad, back in the day I too was bad, Your old man also had the American dream, thinking that it would be so cool and supreme, I stayed there for a while to ingest the truth, that America was best lived in the movies, what a poof I never knew my dad could rap, boldnesss as though he has a problem with finishing it as well.To sum up my dads rap he also had the American dream being brought up on James Dean movies. Throughout his teenage long time he had dreamt up an image of what America would be like, unfortunately when he stayed there, it did not match his dream. That is how my dad tells the story, but I think theres something he is not telling me. I also believe that my parents dont want me to live far away from them because they regret moving far away from their parents when they were younger. On the plane, I sit down next to an empty seat, which wasnt bad as I wasnt really good with the airplane conversations.I travelled on Virgin Atlantic and the in-flight entertainment was great, they had a video screen in front of each seat with which I could play games, watch films and programmes. Anyway back onto America, I remember as we approached the New York coast I heard a passenge r in the seat in front of me, look theres the statue of intimacy I looked to my right out of the window and aphorism her. She was a bit smaller hence I had imagined (in Ghostbusters 2 she was vast ), and she was green. I never actually realised that she was green before I perpetually thought she was grey.I wasnt disappointed though looking at the New York skyline for the first time was great. However I still felt as though I was in England, by chance it would change when we land. After I collected my luggage, I went through the inspection terminal where policemen checked your passports. I found this strange but the strangest was to come, when I reached the gate where my aunt would be waiting for me. Oh yeah if I didnt mention it before, I would be staying with my auntie there, like my parents were really going to let me stay there by myself.Anyway along with the story, the last time I saw my aunt was when she pictureed England when I was 2 so I was the first out into the arriv al room and there was a host so large I felt like I was in one of those wheres Wally books. I looked at the crowd and then a man taped my shoulder and pointed out my aunt to me. They were waving out to me toilsome to get my attention with a big sign with my name on it. I said thanks to the first American I made contact with and walked over to them. We did the usually Portuguese custom and did the embrace on the cheeks thing.I originally thought that communication between us would be easy, but son did I wish I brought my translator. They could barely understand me, and the fact that my ears were still popped from the plane journey didnt suspensor either. I felt like a deaf, posh Wally (as in Wheres Wally). The next day when I woke up, I had that weird noticeing when I wake up in a divergent room and dont k immediately where I am (it was like that film Memento). Then I got up and looked at the picture of the statue of liberty on the desk and remembered when I was on the plane.I woke up to Independence Day and before I knew it I was on my way to a barbecue. It was a beautiful sunny day and boy was it hot I wore light cloths but it was way hotter then I thought it would be. When I arrived there I met The Martins, they suit the natural average American household family everything apart from the golden retriever. Not that my aunt and uncle didnt suit the typical American household image, but they lived in an apartment which was more like an episode of Friends. At the barbecue I piged out big time, I dont think I have ever eaten so a good deal in such a small time.I even got to drink my first bottle of Budweiser, I never really liked beer but after that I had chosen my favourite drink. I had also bonded really well with Bruno Martin and his friend Chris. Bruno showed me his loft that he lived in under his house he had his own shower, living room. After the barbecue we went for a drive in the city, on my second day I was already in New York. We drove around for a while, but there was too very much traffic so we had to stop and park near the Brooklyn Bridge (it was in the end of Godzilla). From there we watched the fireworks, there were lots of people that were watching with us.After that we finally drove into the city and walked around in season Square (too many films too mention). I have never seen so many people from different countries in one place. That night I slept well knowing that when I wake up tomorrow I will definitely know where I am. A couple of weeks later I went out with Bruno and Chris again for a whole day out. First up was a visit to his high school, where we would play baseball on the field. I was looking forward to seeing what his school looked like, after all those days of seeing a typical American high school in TV programmes.It was huge and the sports facilities were expensive. They had a huge football field (as in American football), and three outdoor tennis courts It made the sports facilities back at my sch ool look basic. We played baseball on the field, which is when I began to really feel American. Bruno and Chris were impress with my skills, especially as I had hit more home runs then both of them. After that we went to the beach, which is when I began to feel as though I was David Hassolhof in an episode of Bay watch.The weeks generally flew by, however there were some bad weeks when things were just going all wrong. When my aunt reachs for work each morning she would leave something that I could pop in the microwave. I however was not to sure on the rules of using a microwave and used a non-microwave plastic container to re-heat some chicken from the night before. I was just watching TV eagerly anticipating my meal, when I smelt smoke. I rushed into the kitchen smoke was everywhere, opened the microwave and saw that the container had melted with the chicken inside itI threw it into the bin opened all the windows and turned the A/C to full power. I went for the air conditioner, hoping that I could diminish the opinion of flaret plastic. When my aunt returned from work she could smell the burnt plastic straight away but thought that maybe the dogs litter tray needed to be cleaned out. I actually thought that I might get away with it until my mum realised the burn stain in the microwave, DUM DUM DUMM (that was meant to be when in movies when something bad happens). She caught and shouted at me for having both the windows open and the A/C on.If you think that was bad, that is nothing compared to when I was taking Pepper (our dog) for a walk and a huge dog attacked him. That was really scary, the owner of the big scary dog, couldnt even release his own dog. The dogs jaws were looked tightly on Peppers neck all I could was watch. Luckily Pepper survived and was treated for minor bite wounds. Towards the end of my visit my vacation began to look up greatly. I visited New York more often and went on the Statue of Liberty and on the World Trade Centres.I remembe r when I went to the twin towers the tour guide on the pussyfoot told us that the lift was travelling at 30 mph (or something like that) and I could feel my feet feel light as we got closer to the top. The top three floors were accessible to tourists including the roof. To get to the roof you would take a escalator, all you could see when you were going up was bright blue sky and I felt as though when the escalator reached the top I would go over the edge. When I finally plucked up the courage to get on the roof the go through was beautiful.You could see for miles, all the wonders of New York were in view from one place. When I returned showing my photos from the roof, my friends thought that I was on a helicopter. On my visit to the big green woman, I actually realised clearly how large she was up-close. I thought about how long she has been there for, everything she would have seen. Throughout seeing all the sites a common image would occur to me of re-visiting these sites when I move to America. For me New York was a place to visit not to live in.I have of all time wanted to live in the house from Home Alone, which is set in Chicago. I have always like the Christmassy look. Returning back to England was weird as when I went to America. Once again no-body could understand me (by now I have an American accent), I had to get use to the money as well. The weird thing about America is that when you get use to it you dont even realise that you are living in America. Although you are use to it, you still notice differences here and there. My American dream is still there, its just a division of until I make it into reality.

Saturday, April 6, 2019

Material Science Essay Example for Free

Material Science EssayAbstractIn this assignment I will be defining the 3 essential properties of every material and describing those. I would also be describing how silicon-based semiconductors revolutionized computing. I will also define what microchips ar and how they relate to integrate circuits. Since the touch questions about the increasing ability of calculators to quickly process large amounts of education is whether a computer understructure be built that is considered alive or conscious. I will also be defining false intelligence and telling the difference between the human brain and the central processing unit of measurement of a computer. Material ScienceThere are three essential properties of every material that scientists use as a foundation for most every study. First it is the kind of atoms that is made up from the material. There are the neutral elements and the compound elements. The neutral elements would have the identical amount of protons and electro ns this would essentially terminate nonpareil another, which would take out the protons and electrons neutral. The compound element is when there is a combination of more than one element. The atoms are second in the way that they are arranged.A great way to explain this is by relating atoms of liquid and atoms of solids. For example the atoms of liquids front around allowing the atoms of solids which are packed together. The way that atoms are attached together is number three. These are the bring out properties when understanding the study of materials. The strong point of the material, this is the cleverness to endure forces being useful to it without breaking, this is first. The materials elasticity is second, which is the capability to flex while returning to its original form. Number three is the materials plasticity this is the ability to change its specify forever.Thanks to the starter of semiconductors, computers have developed over a billion times faster than one of the first built in 1946 (ENIAC). Describe how silicon-based semiconductors revolutionized computing. Since silicone semiconductors are capable to move easily through and through the solid component it is more proficient than copper based conductors. Silicone based conductors makes holes which produces and fills a space constantly. This means electrons jump from one atom to another. This will also change the silicon through a process called doping by adding either phosphorus or aluminum the desired deed is achieved. When adding phosphorus to silicon it develops n-type which is negative-semiconductor. When adding aluminum to silicone it develops p-type semiconductors.These are some(prenominal) essential parts becomes efficient electrical devices microchips, which are used in computers. Microchips are positive and negative type semiconductors. Microchips do a detail function. A microchip is individual diodes and transistors will play a big part of the essential function in modern electronics, although these strategies have been mainly replaced by much more complex arrays of P- and N- kind semiconductors, cognize as microchips. Microchips may join hundreds or thousands of transistors in one integrated circuit, particularly intended to do a ad hoc role. They are related to integrated circuits this is why. Combined circuits (microchips) are the main component in devices such as microwave calculators, and other devices. An integrated circuit microprocessor lies on modern applied science.Modern technology is occupied with electrical integrated circuits. Such as, Televisions, MP3 players and computers all contain integrated circuit which allows them to perform specific functions. Also known as microchips or microprocessors, these circuits keep track of all the information being transferred deep down the device, in essence giving it life. Jack Kilby and Robert Noyce are both who take credit with inventing the integrated circuit, both coming up with the idea wit hin a year of each other while works for separate companies. Artificial Intelligence is a division of science which deals with helping machines and finds explanations to complex problems in a more human like manner. This normally contains borrowing features from human intelligence, and applying them as procedures in a computer friendly way.A more or less well-organized approach can be taken depending on the necessities recognized, which impacts how arranged the intelligent performance seems. (http//ai-depot.com/Intro.html) The 2 essential differences between human brains and the central processing unit of a computer is the brain-computer metaphor has served intellectual psychology well, research in intellectual neuroscience has revealed many substantive changes between brains and computers. Escalating these differences may be crucial to understanding the mechanisms of neural information processing, and eventually for the creation of artificial intelligence. (http//scienceblogs.com /developingintelligence/2007/03/27/why-the-brain-is-not-like-a-co/) One difference is that brains are analogue and computers are digital.For instance one of the primary devices of information communication appears to be the amount at which neurons zeal a fundamentally unbroken variable. Likewise, networks of neurons can fire in relative synchrony or in relative confusion the coherence affects the strength of the signals accepted by downstream neurons. Lastly, inside each and every neuron is a leaky integrator circuit, dispassionate of a diversity of ion channels and endlessly changing membrane potentials. (http//scienceblogs.com/developingintelligence/2007/03/27/why-the-brain-is-not-like-a-co/) Another difference is short memory is not like beat in.While the superficial similarities between RAM and short memory back up many early intellectual psychologists, a closer examination reveals strikingly important differences. Although RAM and short-term memory both seem to required power, short-term seems to hold only to long-term memory however. RAM holds data that is Isomorphic which is having similar appearance but different ancestry. Not like RAM, the capacity curtail of short-term memory is not fixed, the capacity of short-term memory seems to vary with differences in processing renovate as well as with expertise and understanding. (http//scienceblogs.com/developingintelligence/2007/03/27/why-the-brain-is-not-like-a-co/)

Friday, April 5, 2019

Research Essay Ballast Water Environmental Sciences Essay

Research Essay stabilise weewee environmental Sciences EssayINTRODUCTIONThe neat run into and shell outment of brace pee from channels is now a major surroundal ch altogetherenge non alone to the world(prenominal) Maritime Organization exactly similarly for the directping industry valet de chambrewide. This lineatic moment has led some countries to consider actions at the national level to establish regularisations and criteria for the dis hitch of light stabilize peeing in argonas under its jurisdiction. In this way, the IMO adopted in 2004 the International convocation for the Control and Management of trans appearances brace Water and Sediments and some(prenominal) guidelines and resolutions. As the meeting previously mentioned has not yet entered into force, some(prenominal) states have taken unilateral action to prevent, minimize and ultimately eliminate the trys of the foundation to the ocean surround of prejudicious aquatic organisms and pathoge ns from stabilize resistor piddle.Consequently, in 1998 the Argentinian maritime authority approved Order no. 7-98 authorize Prevention of pollution by aquatic organisms in the brace resistor resistor peeing of ships bound for Argentine interfaces in the estuary of the River Plate, which requires ships from overseas bound for Argentine ports in the estuary to cut down, change or treat their stabilize piddle supply before entering a govern in which polluting activities ar prohibited, which is located at the exterior keep back of the River Plate. Even though genus Argentina is an IMO member state, for semipolitical reasons it has not signed the IMO Convention for stabilize Water. However, Argentina follows the IMO recommendations to create its own regulations in a measuringized way, in decree to keep off the negative touchs that stabilize body of water discharge involves.This paper will analyze Argentinas national regulations and procedures for dealing wi th ballast water and determine the similarities and differences with the IMO recommendations. In addition, before analyzing this special(prenominal) aspect, it is prerequisite to introduce the ballast water gist. First, the ballast water definition and its brief history. Second, this paper will describe the problems that ballast water implies. Third, the IMO responses in harmony with the internationalistic cooperation, regarding ballast water management and the assistance to create countries, like Argentina, to reduce the entry of invading species. Finally, this research will comp atomic number 18 the Argentine legal framework with the international one to be cerebrate with some suggestions and recommendations to improve this significant environmental problem.BALLAST WATER BACKGROUNDWhat is Ballast Water? To infer the problems that ballast water imply, it is necessary to know the meaning of ballast water. agree to the IMO Convention, ballast water path water with its sus pended matter taken on board a ship to conceal trim, list, draught, perceptual constancy or stresses of the ship.Ships are public figureed and constructed to sail carrying cargo much(prenominal) as oil, minerals, containers and so on. Consequently, if the ship travels without charge from one port and goes to the next port, the ballast must be on board to allow the vas to operate high-octanely and with safety. This includes keeping the ship at a depth sufficient to guarantee efficient operation of the propeller and rudder, and to avoid stress and strain on the hull, of importly in heavy seas, that could act it to break or to sink the ship. Thousands of age ago, when ships began to be built, they carried solid ballast, such as rocks, sand or metal. However, since 1880, ships have used water as ballast, mainly because it is much afford adequate, it is much easier to load and unload and is, therefore, more effective and sparingal than the ballast solid (Ballast Water Defined , n.d.).As the figure 1 shows, when a ship is freed from its cargo, it is alter with water ballast. The water is distributed into the ballast storage tanks in the vessel. These tanks are strategically located depend on the vessel structure. They are ordinarily located along the side and bottom of the hull. Ballast water is extracted by means of and through with(predicate) sea water intakes located in the side or vessel bottom, with the aid of feeding pumps for ballast or gravity. The seawater intakes are covered with grills or filters that prevent large foreign objects from entering the ships ballast tanks. However, numerous species are able to pass through the ships water intake and pumps (The Issue, n.d.). recruit 1 Cross section of ships showing ballast tanks and ballast water cycle nary(prenominal)e Globallast PartnershipsRetrieved from http//globallast.imo.org/index.asp? knave=problem.htmmenu=true CUsersanalia soleda viggiaDesktopJING IMAGESBW.pngThe ballast water sedime nts are closely associated with ballast water. When ships charge ballast water, they also receive the solid material contained in the water. When this material enters into the ballast water tank, it sits in the bottom of the tank as sediment and the problem is that it can carry a variety of encroaching(a) species.Consequently, approximately 7,000 diverse invading species could be transported into the ballast water tanks around the world. M some(prenominal) of these species may not survive during the ships voyage. In the same way, other species are able to survive but when they are discharged in a calculate with different environmental conditions, they may die. However, several of the invasive species not only are able to survive but also find favourable conditions in the invigorated environment to reproduce and to be a competitor or depredator of inwrought species (The Issue, n.d.).BALLAST WATER PROBLEMSInvasive SpeciesThere are galore(postnominal) problems in the ballast wa ter discharge due to invasive species that are introduced in a impertinently environment. These invasive species could be defined as species that have been introduced, on purpose or accidentally in a place, area or region where not found naturally. Other synonyms that are used to refer to invasive species are non- infixed species, non- native species or invasive alien species (IAS) (Invasive species, n.d.). Furthermore, according to the IMO BW Convention, the invasive species are defined asAquatic organisms or pathogens which, if introduced into the sea including estuaries, or into fresh water courses, may create hazards to the environment, military man wellness, proportion or resources, impair biological diversity or interfere with other legitimate uses of such areas.The problem involving invasive species is that after they have been introduced into a new geographic area, they are established and spread, which causes or may cause, damage to the environment, economies or the hea lth of human beings (Invasive species, n.d.).Invasion ProcessThe invasive process has three main steps Introduction, establishment and propagation.1 Introduction of the species The species is introduced successfully in a new geographical area, intentionally or accidentally. This means that the species survives the voyage and is able to live in that area because the environmental conditions such as light, temperature, salinity, nutrients, among others, are adequate.2 Establishment and reproduction of introduced species Survivors persist and reproduce successfully, establishing a self-sustaining foundational population.3 university extension The established population begins to spread, sometimes after a stationary period (or stationary stage) that could be for years and even decades. Then an explosive growth stage begins, this moment is when the new species becomes invasive (Invasive species, n.d.).Negative impactsThe launch of invasive species and their spread is recognized as a devastating issue in the affected environment because the damage that species cause to the local biodiversity could be irremediable. In this way, these complications in the environment imply also a negative impact in the economy of the affected area and to human health that is impaired by the invasive species set up. In addition, all these negative impacts that invasive species produce in the environment, the economy and the human health are interrelated and influence each other (Ballast Water Management, n.d.).Ecological/ EnvironmentalNegative ecologic impacts happen when invasive species alter the local biodiversity of the area and/or ecological processes. While the initial impact may be insignificant and therefore, not detected over time, as the population increases, also the bitterness of the effects increases. The most significant ecological impacts that invasive species cause in the environment are (The Ballast, 2002, p.8)Competing with native species for space and solid f ood.Preying upon native species.Altering habitat.Altering environmental conditions.Altering the food web and the overall ecosystem.Displacing native species, reducing native biodiversity and even causing local extinctions.EconomicInvasive species can produce vast economic losses to society, whether in the form of direct economic impacts, such as loss of marine food production, or twinklingary economic impacts associated with the health of humans or ecological impact. For example, it is estimated that in the U.S., the live associated with the control of invasive species is enormous. To clear Zebra Mussels were cost amidst US$750 and US$1 billion between 1989 and 2000. In general, the economic impacts include (The Ballast, 2002, p.10)Reductions in fisheries production (including collapse of the fishery) due to competition, predation or rendering of the fishery species by the invading species or through environmental changes caused by the invading species.Impacts on aquaculture (in cluding declaration of fish-farms), especially from introduced defamatory algae blooms.Physical impacts on coastal infrastructure, facilities and industry, especially by fouling species.Reduction in the economy and efficiency of tape transport due to fouling species.Impacts and even closure of recreational and tourism beaches and other coastal amenity sites due to invasive species (e.g. physical fouling of beaches and severe odors from harmful algae blooms).Secondary economic impacts from human health impacts of introduced pathogens and toxic species, including increased monitoring, testing, diagnostic and intercession costs, and loss of social productivity due to nausea and even death in affected persons.Secondary economic impacts from ecological impacts and bio-diversity loss.The costs of responding to the problem, including research and schooling, monitoring, education, chat, regulation, compliance, management, relief and control costs.Human healthBecause of the continued transfers of ballast water, chances are high that ships carry microorganisms on a large scale. For instance, there is evidence that cholera epidemics can be directly related to the discharge of ballast water. While Vibrio cholera and other pathogens are normal elements of coastal waters, they are not usually present in con centimerations high enough to cause health problems for humans. However, with the increase in global switch over and vessels transiting between international ports, the transfer of microbes could well be the worst threat related to the discharge of ballast water. A clear example is the cholera epidemic that happened in Peru in 1991 because of ballast water discharge, change more than a million plenty and killing more than ten thousand.Another problem in the human health that ballast water implies is that ships could carry in the ballast tanks not only bacteria and viruses, but also a range of species of microalgae, including toxic species that may form harmful algae blooms or red tides (The Ballast, 2002, p.13). This kind of algae causes shellfish poisoning, which can produce sever illness and death in humans.ARGENTINE CASE STUDYThe invasive species introduced by ballast water have affected Argentine waters causing many negative impacts. For instance, since 1991, the Golden Mussel (Limnoperna fortunei) entered to Argentina through the River Plate into the ballast water tanks of Asian ships (Crosier, Molloy, n.d.). One of the complications that well-to-do mussel causes is the damage in water intakes and water treatment plants, in which it is adhered. Consequently, the pipes are clogged, the water flow moves slowly and filters are clogged (macro-fouling) (Figure 2 and 3). Other disorders associated with the presence of this invasive bivalved are the rapidly changing in communities of organisms living on the bottom of water bodies (called benthic) and the displacement of indigenous species of mollusks.Figure 1 and 2 Golden MusselNote Par a NauticosRetrieved from http//www.paranauticos.com/Notas/Tecnicas/Oceanografia/mejillon-dorado.htmCUsersanalia soleda viggiaDesktopJING IMAGESGolden_Mussel.pngCUsersanalia soleda viggiaDesktopJING IMAGESGolden_Mussel_002.pngFurthermore, the Golden Mussel produces changes in the food chains of the environment, such as change of diet of vogue in the River Plate. In this case, this fish chooses the golden mussel as their main food, altering the normal ecosystem characteristics. On the other hand, the arrival of the invasive bivalve has economic negative effects that can be quantified by the value of the damage it causes, plus the costs of streak and control tasks (Mirasso, n.d.).As a result of the Golden Mussel invasion in the River Plate, there are several negative impacts, such as in the human health, taking into account that the water consumed by people is that one that be affected by the Golden Mussel in the treatment plant. Moreover, other negative effects are ecological (becaus e the environmental changes) and economics (due to the procedures used it to solve the problems that the bivalve produces).INTERNATIONAL MARITIME system RESPONSESSince late 1980, the IMO has been actively engaged in trying to find a solution to the problem of ballast water. Initially, the IMO developed and published a set of guidelines in 1991, which were replaced in 1997 with firmness A.868 (20) called Guidelines for the control and management of ships ballast water to minimize the transfer of harmful aquatic organisms and pathogens. Subsequently, IMO began working on an international legal instrument that resulted in the adoption by consensus of the International Convention for the Control and Management of Ballast Water and Sediments in the Diplomatic Conference that was held at the IMO headquarters in London on February 13, 2004. This Convention will enter into force 12 months after ratification by 30 States, representing 35 per cent of world merchant shipping tonnage. The las t IMO report ofAugust 31, 2011 shows that 35 States have ratified the Convention, representing 27.95% of world merchant shipping tonnage (Ballast Water Management, n.d. Status of Conventions, 2012).Basically, the BWM Convention will require all ships to mechanism a Ballast Water and Sediments Management Plan all ships will have to carry a Ballast Water Record Book and will be required to carry out standard ballast water management procedures. In addition, Parties to the Convention are given the option to take additive measures which are subject to criteria set out in the Convention and to IMO guidelines. These guidelines were created by the IMO Member States between 2005 and 2008 to palliate the uniform implementation of the ballast water process. The mentioned guidelines are the following (BWM Guidelines, n.d.)Guidelines for sediment reception facilities (G1) (resolution MEPC.152(55))Guidelines for ballast water sampling (G2) (resolution MEPC.173(58))Guidelines for ballast water management equivalent compliance (G3) (resolution MEPC.123(53))Guidelines for ballast water management and development of ballast water management plans (G4) (resolution MEPC.127(53))Guidelines for ballast water reception facilities (G5) (resolution MEPC.153(55))Guidelines for ballast water telephone exchange (G6) (resolution MEPC.124(53))Guidelines for risk assessment under regulation A-4 of the BWM Convention (G7) (resolution MEPC.162(56))Guidelines for acclaim of ballast water management systems (G8) (resolution MEPC.174(58))Procedure for approval of ballast water management systems that make use of Active Substances (G9) (resolution MEPC.169(57))Guidelines for approval and oversight of prototype ballast water treatment technology programmes (G10) (resolution MEPC.140(54))Guidelines for ballast water exchange design and construction standards (G11) (resolution MEPC.149(55))Guidelines on design and construction to facilitate sediment control on ships (G12) (resolution MEPC.150( 55))Guidelines for additional measures regarding ballast water management including arrest situations (G13) (resolution MEPC.161(56))Guidelines on designation of areas for ballast water exchange (G14) (resolution MEPC.151(55))Guidelines for ballast water exchange in the south-polar treaty area (resolution MEPC.163(56))However, the most relevant IMO recommendation regarding ballast water is the before mentioned annunciation A.868 (20) Guidelines for the control and management of ships ballast water to minimize the transfer of harmful aquatic organisms and pathogens. This Resolution was adopted on 27 November 1997 not as a solution to the ballast water issue but as a tool to minimize the risks caused by invasive species. Also, it asked countries to cooperate with this issue, applying the resolution itself and any other necessary measures.First, the Resolution A.868 (20) establishes several indications both to port States and ships. Beginning with the port States, they should inform the IMO of specific requirements that they have such as regulations, specific zones, standards and exemptions, in order that IMO can distribute this information and in this way, the ships could obtain each countrys requirements prior to their arrival at port. Other information that the port States should pass on to IMO is the results of inspections and analyses of samples of ballast water tanks. In addition, the port States should have adequate reception and treatment facilities in their ports for safe disposal of ballast tank sediments.Second, according to the Resolution, the ships should have a specific ballast water management plan including safe and effective procedures during the charge and discharge of ballast water. All ships should tape each discharge, mention at least dates geographical location ships tanks and cargo holds ballast water temperature and salinity amount of ballast water loaded or discharged. Additionally, the ships should follow precautionary practices such as avoiding taking ballast water in darkness, shallow water or where propellers may lift up sediments. Also, they should avoid unnecessary discharge of ballast water. The ballast water exchange process could be done in deep water, in open ocean, as far as possible from propping up or where the port State authorizes. In case of using pumping systems, the water should be pumped through the tank at least three times.Third, the Resolution takes into account future preconditions in relation to ballast water exchange. This means that the measures could be revised and adjusted according to new technologies or developments. In addition, this text file has two appendices. Appendix 1 is the Ballast Water Reporting Form to be provided by ships to port State Authority upon request. Appendix 2 is the Guidance of safety aspects of Ballast Water Exchange at sea. This appendix mentions the safety measures (stability, weather conditions, and stress on the hull, among others) and two recognized m ethods Sequential method, in which ballast tanks are pumped out and refilled with clean water and Flow-through method, in which ballast tanks are simultaneously filled and discharged by pumping in clean water.Finally, the Resolution establishes the necessity of crew training and familiarization regarding the ballast water management plan, ballast water methods, pumping system and recording the information required concerning ballast water load up and discharge. This point is very important because conscience and compromise about the ballast water risk, not only from the crew members but also from the port States, are the basic steps to minimize the introduction of invasive species.The IMO not only carries its own efforts to solve the ballast water problem, but also it has been supporting the international cooperation among countries in order to achieve a common solution, and to help developed countries to implement the necessary measures to avoid invasive species and to implement the Ballast Water Convention. In this way, one of the most important programs under the IMO tribute is the GloBallast Patnership that it will be developed in more detail in the next section.INTERNATIONAL COOPERATIONInternational cooperation is essential to prevent the transferences of invasive species. This means that it is necessary joint cooperation among states, the maritime community, shipping companies and non-governmental organizations, in order to prevent, reduce and control human caused pollution of the marine environment, including the intentional or accidental introduction of harmful or alien species to a especial(a) part of the marine environment. (Ballast Water Management, n.d.).In this way, since 2000 the IMO has been working with fall in Nations Development Programme (UNDP) and the Global Environment Facility (GEF) to deal with the introduction of invasive species from ships ballast water in new environments. In order to confront this issue with an international eff ort, these organizations initiated the Global Programme of Ballast Water Management to avoid obstacles to the effective implementation of control measures and ballast water management in developing countries (GloBallast Partnership). This is a comprehensive technical cooperation program for help developing countries to (GloBallast, n.d.) Reduce the transfer of harmful organisms from ballast water of ships. Implement the IMO guidelines on ballast water. Prepare for the implementation of the Ballast Water Convention of IMO (which was sleek over in negotiations at that time). Develop mechanisms for sustainability and reforms at national level. Promote regional coordination and cooperation. Develop new technologies and exchange of information among governments measures.The GloBallast Partnership is divided into phases. The first phase was initiated in 2000 and finished in 2004. The second phase was initiated in 2007 and continuous running during this year. This second phase aims to bui ld on the progress achieved in the original project. It will focus on national policy, legal and institutional reforms in developing countries with particular emphasis on integrated management. The approach includes Build on the achievements and use the skills and knowledge acquired in the first phase Repeat best practices and technical activities to promote national policy reforms. Support countries particularly dangerous and high environmental sensitivity in their efforts to adopt legal reforms and to implement the Convention on Ballast Water Management. Promote collaboration with industry to facilitate the successful transfer of new technologies from developed to developing countries (GloBallast Partnerships, n.d.).Consequently, Argentina participated in the GloBallast Partnership Program and this year the Argentine Coast Guard was designated as the central point to represent Argentina to International Organizations in this Program. In order to assist with other nations in the world particularly vulnerable countries regarding the introduction of invasive species and pathogens through ballast water of ships, to fortify political and legal aspects (Environmental Protection, 2012).ARGENTINE LEGAL FRAMEWORKThe BWM Convention was opened to signature from 01 June 2004 to 31 May 2005. eightsome countries including Argentina signed the instrument subject to ratification. Until now Argentina has not ratified the Convention because it still remains in the Congress to analyze. However, this situation does not mean that Argentina does not support the advertise against invasive species incoming from the ships ballast water. On the contrary, Argentina was a pioneer in this issue. In 1998 the Argentine maritime authority approved Ordinance No. 7-98 entitled Prevention of pollution by aquatic organisms in the ballast water of ships bound for Argentine ports in the estuary of the River Plate, which obliges ships from overseas bound for Argentine ports in the estuary to discharge, change or treat their ballast water before entering a zone in which polluting activities are prohibited, which is located at the outer limit of the River Plate. On December 1999, this national regulation was submitted to the IMO through MEPC 44/4/2, in order to be distributed among the states. In the same way, Ordinance No. 12-98 entitled Special Protection Areas on the Argentine Coast was submitted to the IMO. This Ordinance established twelve special certificate areas, where among other prohibitions, it is forbidden to discharge ballast water, even if treated in some way, unless it has been exchanged for water taken within 150 miles from the outer limit of the area concerned.Both regulations were make by the Environmental Protection Department of the Argentine Coast Guard (Prefectura Naval Argentina). This Department is in charge of all the issues related to environmental protection. Within this Department is found the Scientific Research Division that works with speci alists such as biologists, and this group is continuously conducting research about ballast water and the impact in the environment. In this way, they confirmed with several studies that three species of freshwater bivalves that have been found in the River Plate (Corbicula fluminea, Corbicula largillierti, and Linmoperna fortune, known as Golden Mussel) originating from the estuaries of south-east Asia, and that they had entered via the discharge from ships from that region, to which bulk cereals had been exported from Argentina.Considering that the River Plate is the gateway of the export/import activity of Argentina, it was necessary that this national regulation be applicable and mandatory both for national ships and foreign flagged ships. This last consideration was possible because Argentina submitted the Ordinance to IMO and then it was distributed among the states.Several of the Ordinance requirements are similar to the IMO Resolution A. 868 (20), because it was made based o n this last one. For instance, as the Resolution, the Ordinance has a final annex including Guidance on Safety Aspects of Ballast Water Exchange at Sea and Crew Training and Familiarization. Other proportion appears in the ship-shore communication and the methods admitted by both regulations. However, some requirements are specific to the Ordinance, such as seal ballast tanks or pumping control valves and the exigency of salinity levels. Furthermore, the Ordinance does not have many requirements include in the Resolution, such as the port states procedures or the Ballast Water Reporting Form.The Ordinance No. 7-98 Prevention of pollution by aquatic organisms in the ballast water of ships bound for Argentine ports in the estuary of the River Plate establishes that all ships that navigate along the River Plate shall exchange ballast water avoiding the prohibited zone of polluting actions located in front of the external limit of the River Plate. Another requirement is the radio elec tric communication that ships must make with the Vessel Traffic Services of the River Plate (CONRASE) informing them of the ballast water exchange or ballast retention on board. In case of exchange, they must indicate position, amount of water discharged, exchanged or retained on board and method applied for the ballast water exchange.According to this Ordinance, the methods admitted by Argentine Coast Guard are Total deballasting and reballasting (like the Sequential Method indicated in the Resolution A. 868 (20)), Flow-through (the same as in the IMO Resolution) and Overflow (it is similar to the flow-through method, but pumping water for a time and qualification it overflow from the top of tank). In case of considering new methods, these should be approved by the IMO. Some methods admitted as a complement are Filtering systems, oxidizing and non-oxidizing biocides, thermal techniques, electric pulses and plasma pulses, ultraviolet treatment, acoustic systems, magnetic field, deo xidation, biological techniques and anti-adherent coatings.Furthermore, the Ordinance allows Coast Guard members to seal ballast tanks and pumps to control valves of ships, to be sure that they would not discharge the water on the way to Argentine Ports. Also the officers may take samples of the contents of ballast tanks, pipes and pumps to control the presence of invasive species and water salinity. In case that the water salinity is below 30mg/cm3, the ship would be not be allowed to enter into the River Plate because this water quality means that the ship exchanged ballast water very near the River Plate without taking into account the requirements of the Ordinance.Finally, Argentina tries to arrive at a ballast water solution with its own national regulations. However, this is not enough because, since the adoption of the Ordinance No.7-98, many cases of new invasive species have happened, not only in the River Plate but also in the Argentine south where it does not exists any p articular regulation, referent to ballast water. For example, the Golden Mussel (Limnoperna fortunei) that entered through the River Plate, affecting this complete zone until Brazil or the Wakame seaweed (Undaria pinnatifida) that invaded Puerto Madryn (a southern Argentine province) causing economic losses because this place is a touristic beach where people make activities like scuba diving but since this seaweed has invaded this place it is inconceivable to practice this activity. This is a shortcoming in the Argentine regulation because the Ordinance No.7-98 only contemplates the River Plate but not the others ports of entry at the country, mainly in southern Argentina. On the other hand, the Argentine regulation does not contain any reference to the International Convention for the Control and Management of Ships Ballast Water and Sediments because both instruments are not contemporary the Ordinance was made six years previously.CONCLUSIONThe introduction of invasive species is a ballast water problem that involves the majority of the countries in which the trade is made by ships. Nowadays, most of the ships in the world fleet effectively carry ballast water and, therefore, would need to manage ballast water as part of their operations. The ecological, economic and human health impacts of invasive species are importantly severe for each country or region affected. Ballast water transfers and aquatic invasive species are perhaps the biggest environmental challenge facing the global shipping industry this century. For this reason, the problem of ballast water and invasive species must be addressed on an international basis involving cooperation between all countries and the shipping and port industries because the ships are involved in the international trade around the world the port states are linked to receive and to c