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Drug Addiction Addictive Drugs
4,264 wordsThe emphasis is on biological mechanisms underlying addiction, although some other factors influencing drug addiction will also be discussed. The presentation is limited primarily to psychomotor stimulants (e. g. , amphetamine, cocaine) and opiates (e. g. , heroin, morphine) for two reasons. First, considerable knowledge has been gained during the past 15 years regarding the neurobiological mechanisms mediating their addictive properties. Second, these two pharmacological classes represent the b...
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York New York Time And Money
1,452 wordsPeople all over the modern world rely on electricity without even thinking about where it comes from, or what life would be like without it. Messages are sent around the world at the speed of light, making global trade and business faster and easier. Machines powered by electricity make dangerous, strenuous, and boring jobs safer and less time consuming. Electricity saves time and money, and generally makes modern life easier (Canby 7). Until the late 1800 s, electricity and electric appliances ...
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World Health Organization People With Aids
1,735 wordsThesis: The AIDS and HIV viruses are getting worse in the United States and the rest of the world. Although more people die of heart disease and cancer each year, AIDS has become the health problem people fear the most. Much of the fear comes from ignorance and misunderstanding. Education is the most effective tool against AIDS. It is more important than ever for young people to learn the facts about AIDS. Many teenagers don't know anyone who has AIDS. It is hard for them to believe they are at ...
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Dow Jones Cd Rom
469 wordsThis assignment consists of three major parts. Part 1 shows how to use the CD-ROM facilities to locate some material on the item of "Information Retrieval Methods", details of the materials (such as the Record Number, date of the article, the author and a summary), search strategy and comments are also included. Part 2 demonstrates how to use the Monash Voyager Catalogue system to locate the text or article. Finally, Part 3 shows how to search for materials on the World Wide Web, such as Vic Roa...
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Aggregate Demand Interest Rates
1,322 wordsThe transmission mechanism and the inflation rate. Abstract The point of this essay is to show the link between all components of the transmission mechanism, how interest rates, inflation, the GDP, inflation and unemployment are affected by the control of money supply and demand and what can offset inflationary measures in making adjustments. The other point is to explain the forces that are at play within an open economy and how different countries are affected by the decisions of a countrys po...
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Analysis Of The 1968 Chevrolet Corvette
1,389 words1968 was the first year Chevrolet presented the newly redesigned Corvette, known as the C 3. This model started as a dream, a fantasy car, and was never expected to reach production status. Being produced in the late 1960 s it was on the call of demand to produce sufficient power from the engine to compete with the Oldsmobile's 4 - 4 - 2, Pontiac's GTO, and Dodges Charger. "The 1968 Corvettes redesigned body style combined with its engine options proved to not only look good, but also forge a re...
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Infected With Hiv Living With Hiv
2,016 wordsHIV and AIDS are one of the leading causes of death among 24 to 45 year olds and yet so many Americans seem to know nothing about it. So many people in the world believe HIV and AIDS are the same thing, but they are sadly mistaken. HIV is a virus. The letters stand for Human Immunodefiency Virus. HIV is a virus that attacks your immune system. What it attacks are important immune-system cells called T-cells. HIV is a retrovirus, which means it is slow moving. By attacking and killing the immune ...
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Automatic Transmission Fully Automatic
1,375 wordsINTRODUCTION /PRODUCT BACKGROUND The automobiles humble beginnings stemmed from a need for a more practical, safer, and economical device than the horse and carriage. The horse and carriage of yesterday was as common as any family car would be today. The horse and carriage was beginning to lose its usefulness. Another device was required and a revolution which affects each one of us ensued. The inventors of the day created many devices including steam and gasoline powered horseless carriages. Th...
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Sexually Transmitted Disease Human Immunodeficiency Virus
738 wordsInfection with the human immunodeficiency virus (HIV) had emerged as a major health problem for women in the United States. Family physicians can play an important role in the detection and care of HIV-infected women. The epidemiology and natural history of HIV infection in women were reviewed. HIV infection is now a leading cause of morbidity and mortality among young women in the United States, particularly women of racial and ethnic minorities. Most cases of acquired immunodeficiency syndrome...
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Running Head Microbiology 100 Module 5
1,131 wordsRunning head: MICROBIOLOGY 100 MODULE 5 Microbiology 100 Module 5 July 29, 2009 Microbiology 100 Module 5 Severe Acute Respiratory Syndrome (SARS) is the respiratory disease caused by the SARS-associated coronavirus SARS-CoV, however, there are assumptions that other infectious agents can have a role in some cases of SARS viral infection (Peiris, Yuen, & Osterhaus, 2003). There are few major characteristics of SARS which account for its spread and the severity: infectivity (the ability of the vi...
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Point Of View Technological Progress
1,391 wordsThe Father of Video Art. When more than forty years ago, in 60 s young Korean man named Nam June Paik began experimenting with visual images nobody could even predict that those experiments would make a basis for a principally new genre of art. By that time there was neither equipment, no techniques to realize his ideas in the full scope as it could be nowadays. There was another factor that defined the emergence of the new art, namely the Master with the absolutely specific perception of the re...
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Human Immunodeficiency Virus Spread Of Aids
1,781 wordsAIDS in the Geriatric Community Acquired immune deficiency syndrome, or AIDS, is a recently recognized disease. It is caused by infection with the human immunodeficiency virus (HIV). AIDS is a complicated illness that may involve several phases. It is caused by a virus that can be passed from person to person. AIDS impairs the human body's immune system -- the system is responsible for warding off disease -- and leaves the victim susceptible to various infections. AIDS was first conclusively ide...
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Bodys Immune System Sexual Intercourse
820 wordsAIDS is the plague of the 20 th century, but how much do we really know about this deadly disease? HIV is a virus that gets into the body and flows through the bloodstream. AIDS is the disease that is caused by HIV. Once you are diagnosed as HIV positive, you do not automatically have AIDS. There is a possibility of being HIV positive, and not having AIDS. Most people do not know it is the infections that break down the bodys immune system rather than the AIDS that kills parents. HIV can be prev...
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Space And Time Lotus Eaters
2,950 wordsA paper delivered at the CALIFORNIA JOYCE conference (6 / 30 / 93) To quote the opening of Norbert Wieners address on Cybernetics to the American Academy of Arts and Sciences in March of 1950, The word cybernetics has been taken from the Greek word kubernitiz (ky-ber-NEE-tis) meaning steersman. It has been invented because there is not in the literature any adequate term describing the general study of communication and the related study of control in both machines and in living beings. In this ...
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Fiber Optic Cable One Hundred And Fifty
1,724 wordsFiber Optics: Their Use in Communications The field of communications is one in which the technologies are changing on an almost daily basis. Numerous different technologies have been pursued over the past few years; each designed to essentially accomplish several basic purposes in terms of community service. Three of the most actively pursued application include interactive distance learning, video conferencing, and entertainment. While it is the first two, video conferencing and interactive di...
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Money Supply Interest Rate
917 wordsThere are several things that can cause a ripple effect in our economy. There are economic facts, or things that will happen no matter what, that start to affect more and more people, until they sooner or later effect everybody. The Keynesian Transmission Mechanism is a good example of something that has a ripple effect on everybody. The Keynesian mechanism has three stages, each of which has an effect on something. The first stage is the increase or decrease in the supply of money (A- 1). The s...
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Sound Waves Laser Light
2,160 wordsWhile working to Holography Holography While working to improve the resolution of an electron microscope, a brilliant man named Dennis Gabor had developed a theory on Holography. This dates back to the year of 1947. Dennis Gabor is a British/Hungarian scientist who created the word Holography from Greek terms. He used the word holo's, meaning whole, and gramma, meaning message. Gabor characterized his work as an experiment in serendipity that was begun too soon. The next decade brought about fru...
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Neuromuscular Junction Nerve Impulses
1,028 wordsTransmitter Molecule Derived From Site of Synthesis Acetylcholine Choline CNS, parasympathetic nerves Serotonin 5 -Hydroxytryptamine (5 -HT) Tryptophan CNS, chromatin cells of the gut, enteric cells GABA Glutamate CNS Glutamate CNS Aspartate CNS Glycine spinal cord Histamine Histidine hypothalamus Epinephrine synthesis pathway Tyrosine adrenal medulla, some CNS cells Norpinephrine synthesis pathway Tyrosine CNS, sympathetic nerves Dopamine synthesis pathway Tyrosine CNS Adenosine ATP CNS, periph...
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Bubonic Plague Pneumonic Plague
2,080 wordsBubonic Plague is an infectious disease of animals and humans caused by a bacterium named Yersinia pestis. People usually get plague from the bite of a rodent flea that is carrying the plague bacterium or by handling an infected animal. Millions of people in Europe died from plague in the Middle Ages, when flea-infested rats inhabited human homes and places of work. Today, modern antibiotics are effective against the plague, but if an infected person does not seek treatment promptly, the disease...
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Automatic Transmission Cast Iron
1,869 wordsHistory of the Automobile- 1920 -present The United States became the forerunner in the automobile industry early and the automobile quickly found a place in almost every American home. In the decades after World War I, American demands on automobiles increased and the increased demands imbued many changes in the form and function of cars. The United States was host to countless developments for the car and became a large influence in the future of the automobile and its industry. Pre-World War ...
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