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Search results 3591 - 3600 of 8618 matching essays
- 3591: Cardiovascular Disease
- Risks factors for cardiovascular disease that can and can not be changed. The risks factor for cardiovascular disease have been categorize by the American Heart Association (AHA) as the following: (1) Major risks factors that can not be changed (increasing age, male gender, and heredity). (2) Major risk factors that can be changed (cigarette/tobacco smoke, high blood cholesterol ... stood and sorted it. One of the classical studies of the role of occupation physical activity on heart disease was conducted by medical scientists from the University of Minnesota. They studied more than 191, 000 American railroad workers. Because of union rules and benefits, railroad workers had excellent medical records, which provided the data for the study. In addition, union rules discouraged shifting from one occupations class to another. A 55 ...
- 3592: Cable Vs. V.90 Modems
- ... between different standards. The only specification that has been approved by ITU (in 1998) is DOCSIS (Data Over Cable Service Interface Specifications) which was developed by MCNS, CabeLabs, Arthur D. Little and consortium of North American MCOs. Later that year CableLabs established certification program that would ensure interoperability among the equipment from different vendors. Certified cable modems are expected to appear in second quarter of 1999. While waiting for the certificates ... 256 QAM modulation, providing a maximum 36 Mbps of downstream throughput per 6 MHz television channel. The Annex A implementation of 64/256 QAM is the European DVB/DAVIC standard, Annex B is the North American standard supported by MCNS, while Annex C is the Japanese specification. The proposed 802.14 upstream modulation standard is based on QPSK (quadrature phase shift keying) and 16QAM, virtually the same as MCNS. The main ...
- 3593: Bridging Technology And Academe
- ... journals have hesitated in making issues available on-line because of cost considerations and copyright issues, though they commonly make available on-line abstracts and tables of content for current and back issues, such as American Sociological Review and others. Peer-reviewed, wholly electronic journals can be distributed either via E-mail to subscribers, or globally via the Web. Web bibliographic tools include library catalogs and selected reference works. There are ... that presents the Web for research and awareness in a significant, practical manner. Communications Electronic mail is perhaps the most oft used networked technology by faculty and students. Green (1994) estimates that one-third of American faculty are currently using electronic mail, and this figure is likely to be higher today with increased access account availability, university-wide infrastructure development, and GUI-based electronic mail programs such as Pegasus Mail and ...
- 3594: Climate Change (term Paper)
- ... further, it is even more frightening to note that, while man has affected the environment throughout his stay on earth, the impact has been most intense in the relatively short industrial era. Since the industrial revolution, and over the past century in particular, mans ecological footprint on the earth has quickly grown from that of a child to one of a giant. True, this period is heralded as an economic ... impressions of many, the environment is an immediate problem. Though environmental concerns are widespread and many, perhaps the most challenging is the significant (30%) increase in greenhouse gasses accumulated in the atmosphere since the industrial revolution. At present rates of increase, these greenhouse gasses will again double by the turn of the next century. The effects this will have on the earths climate remain controversial, but most agree that the ...
- 3595: Cleaning Up After The Exxon Valdez Was A Mistake
- ... on the shorelines. Sylvia Earle says: "Sometimes the best, and ironically the most difficult, thing to do in the face of an ecological disaster is to do nothing." References 1. Abelson, Philip H., Oil Spills, American Association for the Advancement of Science, May 12,1989 v244 n4905 p629(1). 2. Kerr, Richard A., A lesson learned, again, at Valdez., American Association for the Advancement of Science, April 19, 1991 v252 n5004 p371(1). 3. Beached Valdez oil fled in floc., Science News, May 8, 1993 v143 n19 p302(1) 4. Raloff, Janet, Valdez spill leaves ...
- 3596: Heroin A Long Dark Path
- ... effect; the rate of HIV went down considerably. HIV, and AID's contraction rates, has proven to be directly related to the amount of heroin users in an area. How heroin is perceived by the American public- Often heroin is perceived very differently, depending on what person you are talking to. Among middle and upper class adults in America, the drug is often shunned. Many people in this status seem to ... they begin to wonder what its all about. The poor poverty life that comes with the use of it, does not seem that bad to them, because that is what they are used to. The American government sees heroin as a widely growing problem, and is often considered a growing epidemic. There has been large debate as of recently, about how exactly an addiction to this drug should be treated. Often ...
- 3597: Computer Viruses
- In 1949 the Hungarian-American mathematician John von Neumann, at the Institute for Advanced Study in Princeton, New Jersey suggested that it was theoretically possible for a computer program to replicate. This theory was later tested in the 1950s at Bell Laboratories when a game called Core Wars was developed. In the game, players created small computer programs that attacked, erased, and tried to reside on an opponent's system. In 1983 American electrical engineer Fred Cohen, at the time a graduate student, coined the term virus to describe a self-replicating computer program. Computer viruses are a sign of vandalism on computer systems or in cyberspace. They ...
- 3598: Cloning 4
- ... clone a human being safely at this point. I think the man is clearly unhinged and I dont think he is to be taken seriously. Marion Bamewood, a member of the board of the American Society for Reproductive Medicine said, I have very serious reservations about cloning human beings. The society has declared a 5 year voluntary ban on cloning humans. Mr. Seed responded, I cant really answer the ... persuaded. As far a Im concerned, they have rather small minds and a rather small view of the world and a rather small view of God. In a 1997 CNN poll conducted among 1005 American adults has a margin of error of 3%. They found: 89% felt that cloning humans was morally unacceptable 66% felt that cloning animals was morally unacceptable 69% is scared of the possibility of cloning humans ...
- 3599: Chromosome Probes At The University Of Toronto
- ... chromosomes. "What we're trying to decide now is whether to isolate probes for the other chromosomes, or whether we should utilize the eight we have," he says. Dr. Willard is currently negotiating with an American company to develop prenatal diagnostic tests, which, because the current tests are time consuming and technically difficult to do, are restricted to women over 35 and those who have a family history of chromosomal abnormalities ... Diabetes Mellitus, Twelfth Edition, Lea and Febiger. 7. Kilo, C, (1987), Diabetes The facts that let you regain control of your life, John Wiley and Sons, Inc. 8. Seefeldt, V, (1986), Physical Activity and Wellbeing, American Alliance for Health, Physical Education, Recreation and Dance.
- 3600: Attention Deficit Hyperactivity Disorder
- ... controversial topic during the last decade. Attention Deficit Disorder, also known as ADD, is a broad, almost generic term for the different types of Attention Deficit Hyperactivity Disorders. The Diagnostic and Statistical manual of the American Psychiatric Association offers us this definition: ADHD is a disorder that can include a list of nine specific symptoms of inattention and nine symptoms of hyperactivity/impulsivity. In addition, the Concise Columbia Electronic Encyclopedia provides ... school and emotional and social difficulties, which puts them at a disadvantage compared to their peers. Numerous studies are underway and will hopefully produce more answers and a better understanding of the disorder. Works Cited American Psychiatric Association. The Diagnostic and Statistical manual of Psychiatric Diagnoses. (4th ed.). Washington, 1994 Barkley, Russell. Attention-Deficit Hyperactivity Disorder: A Handbook for Diagnosis and Treatment. New York: Guilford, 1998 Concise Columbia Electronic Encyclopedia, (3rd ...
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