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Free research papers and essays on topics related to: vector

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  • A Cray Supercomputer Comes To The University Of Toronto - 699 words
    A Cray SuperComputer Comes to the University of Toronto By Andrew Reeves-Hall The Cray X-MP/22 manufactured by Cray Research Incorporated (CRI) of Minneapolis, Minnesota was delivered and installed at the U of Toronto this September. The Cray is a well respected computer - mainly for its extremely fast rate of mathematical floating-pointcalculation. As the university states in its July/August computer magazine "ComputerNews", the Cray's "level of performance should enable researchers with large computational requirements at the university of Toronto and other Ontario universities to compete effectively against the best in the world in their respective fields." The Cray X-MP/22 has two Centra ...
    Related: supercomputer, toronto, total cost, research centre, differently
  • Air Traffic Strike - 4,375 words
    Air Traffic Strike The Pressures of PATCO: Strikes and Stress in the 1980s By Rebecca Pels -------------------------------------------------- ---------------------- Note on electronic format: you can access any citation by clicking on the note number. In order to leave citations and return to the main text of the document, press the Back key on your viewer. -------------------------------------------------- ---------------------- On August 3, 1981 almost 13,000 air traffic controllers went on strike after months of negotiations with the federal government. During the contract talks, Robert Poli, president of the Professional Air Traffic Controllers Association (PATCO), explained the union's th ...
    Related: strike, traffic, traffic control, traffic controllers, aviation safety
  • Bioterrorism - 1,831 words
    Bioterrorism You wake up early for work and kiss your family goodbye. On your daily transit you see a man drop a glass vial in the subway, but you think nothing of it. Moments later you become a statistic. A statistic of Bioterrorism. The threat of Bioterrorism, long ignored and denied, has heightened over the past years and needs to be publicly addressed. There are three possible solutions to this threat that are within grasp. The first of which would be a nation wide vaccination against all agents that could be used against the American public. Second, we could educate people to more efficiently spot the symptoms of such an act, or to protect themselves from an act that has already taken p ...
    Related: american public, human life, present danger, countless, outbreak
  • Bouyancy And Displacement - 709 words
    Bouyancy And Displacement Buoyancy and Displacement Ships do not sink because of displacement; the ship moves more water than the ship actually weighs. Archimedes Principle: Any object wholly or partly immersed in a fluid is buoyed up by a force equal to the weight of the fluid displaced by the object. Density is mass of a unit volume of a material substance, expressed as kilograms per cubic meter in MKS or SI units. Density offers a convenient means of obtaining the mass of a body from its volume or vice versa; the mass is equal to the volume multiplied by the density, while the volume is equal to the mass divided by the density. The weight of a body, which is usually of more practical inte ...
    Related: displacement, vice versa, more practical, salt, kilograms
  • Car Crashes - 1,548 words
    Car Crashes Two cars are travelling down a highway at 100 km/h in opposite directions. Both drivers are tired from driving all day and cross over the yellow line and hit head on. Crash! The driver of car A has remained inside the car and has broken ribs due to hitting the steering wheel. The driver of car B however is on the hood of car A and is pronounced dead at the scene, cause of death, a severe case of disobeying the laws of physics. Although both cars were heading at the same velocity one driver ended up dead while another survived. This seems like a complicated and hard thing to explain and to the untrained person it may seem that driver A just had plain luck on his side however this ...
    Related: most effective, speed limits, sir isaac newton, striking, equivalent
  • Computer And Kids - 245 words
    Computer And Kids #include*stdlib.h* #include*assert.h* #include*iostream.h* #include*apvector.h* template *class itemType* apvector*itemType*::apvector() :mySize(0), myList(0) { } template *class itemType* apvector*itemType*::apvector(int size) : mySize(size), myList(new itemType[size]) { } template *class itemType* apvector*itemType*::apvector(int size, const itemType & fillValue) : mySize(size), myList(new itemType[size]) { int k; for(k = 0; k * size; k++) { myList[k] = fillValue; } } template *class itemType* apvector*itemType*::apvector(const apvector*itemType* & vec) : mySize(vec.length()), myList(new itemType[mySize]) { int k; for(k = 0; k * mySize; k++) { myList[k] = vec.myList[k]; } ...
    Related: delete, const, vector
  • Costa Rica - 1,240 words
    Costa Rica Greg Coffta Bio190/Costa Rican Adventures 11/30/1999 Part I Banana: Bananas were most likely picked up by the European traders in Southeast Asia when in search for spices. Soon, as the discovery of the Tropics arrived, traders took bananas to Central America. Breadfruit: this fruit commonly grows among the southern Pacific islands, and it probably found its way to Costa Rica when the natives started to explore on boat. Chocolate: as far as I could find, chocolate is native to Central America. It comes from the fruit of the Cacao Tree, and was traditionally used by the Aztecs. Coconuts: Coconuts also come from Tropical Pacific islands, and the actual coconut itself probably floated ...
    Related: costa, costa rica, costa rican, rica, pacific islands
  • Creativity: Beer Can Theory - 4,998 words
    ... how discrete memories become woven into a worldview. Although this account focuses on integration of the worldview through the emergence of deeper, more general concepts, the principles apply equally to integration of the psyche through the purification of intentions and emotions. A detailed account of the proposal can be found in [Gabora 1998], and elaborations in [Gabora 1999, 2000], but the basic line of reasoning goes as follows. Much as catalysis increases the number of different polymers, which in turn increases the frequency of catalysis, reminding events increase concept density by triggering abstraction - the formation of abstract concepts or categories such as 'tree' or 'big' ...
    Related: beer, cognitive dissonance, love songs, information processing, consciousness
  • Current Status Of Malaria Vaccinology - 1,113 words
    Current Status of Malaria Vaccinology annon In order to assess the current status of malaria vaccinology one must first take an overview of the whole of the whole disease. One must understand the disease and its enormity on a global basis. Malaria is a protozoan disease of which over 150 million cases are reported per annum. In tropical Africa alone more than 1 million children under the age of fourteen die each year from Malaria. From these figures it is easy to see that eradication of this disease is of the utmost importance. The disease is caused by one of four species of Plasmodium These four are P. falciparium, P .malariae, P .vivax and P .ovale. Malaria does not only effect humans, but ...
    Related: current status, malaria, tropical africa, article published, caucasian
  • Cystic Fibrosis - 1,101 words
    ... o a human. These were milestones in finding a cure or a preventive treatment. They were huge steps because it marked the first time that scientists were able to test new technology in people with the disease. Also in October of 93'12 scientists at the University of Iowa made another big step, they determined that the CF gene treatment worked! It had repaired the defective CF cells. This too was the first time that the basic defect was corrected in people with the disease. Doctors and scientists know that the gene number 7 is the gene that CF is found upon. They also know that gene's protein product most likely induces the movement of chloride directly or indirectly. They named the protei ...
    Related: cystic, cystic fibrosis, fibrosis, lung cancer, general information
  • Diamond - 1,222 words
    ... as it provided a more efficient method for adamantane production. Schleyer was able to increase the output of his adamantane synthesis to a 30% and 40% yield by exposing the tetrahydrodicyclopentadiene to an AlCl3-HCl mixture under 40 atms. of pressure of hydrogen and HF-BF3 catalyst respectively.7 When Schleyer focused his procedure on the retrieval of adamantane, he found that the synthesis was bountiful with the starting reactant dicyclopentadiene which is a common compound.3 Research into the enigmatic compound could then proceeded full force from this point on to examine the compound to its every minute detail. What they found confirmed their previous assertions that adamantane was ...
    Related: diamond, college publishers, organic chemistry, atmospheric pressure, efficient
  • Gene Therapy Hemophilia - 1,090 words
    Gene Therapy- Hemophilia Genetic Therapy that focuses on hemophilia Gene therapy is reinserting certain genes that helps deal with genetic diseases. There are three basic forms of this gene therapy. The first is Gene Inactivation Therapy in which the transferred gene neutralizes the proteins and evens out the amount or rids of the defective proteins. Another type is Gene Augmentation Therapy where the original form of the gene or the normal form of the gene is inserted into one of the cells chromosomes. This procedure is used normally when a gene with little activity or a deleted gene is the cause for the genetic disease. The third type of gene therapy is Gene Replacement Therapy. This form ...
    Related: gene, gene therapy, hemophilia, therapy, skin cancer
  • Genetics Engineering - 1,487 words
    Genetics Engineering Genetic engineering is an umbrella term that can cover a wide range of ways of changing the genetic material -- the DNA code -- in a living organism. This code contains all the information, stored in a long chain chemical molecule, which determines the nature of the organism. Apart from identical twins, genetic make-up is unique to each individual. Individual genes are particular sections of this chain, spaced out along it, which determine the characteristics and functions of our body. Defects of individual genes can cause a malfunction in the metabolism of the body, and are the roots of many "genetic" diseases. In a sense, man has been using genetic engineering for thou ...
    Related: engineering, genetic code, genetic engineering, genetic information, genetics
  • Genetics Engineering - 1,437 words
    ... nbound probe, and placed over a piece of x-ray film. When developed, the film reveals the location of the radioactivity as a black spot. The corresponding colony on the original plate thus contains the bacteria carrying the required gene. The applications of genetic engineering are vast, probably the most well known is gene therapy in the medical world. It involves the introduction of a gene into somatic cells and enablement of its products to alleviate a disorder caused by the loss or malfunctioning of a vital gene product. Involving the latest DNA technology, it is the most rapidly advancing form of molecular medicine, which is concerned with the cause of disease at a molecular level. ...
    Related: engineering, genetic engineering, genetics, human genetics, recombinant dna
  • Geographic Information Systems - 1,636 words
    Geographic Information Systems Geographic information systems (GIS) technology can be used for scientific investigations, resource management, and development planning. For example, a GIS might allow emergency planners to easily calculate emergency response times and effected areas of the ocean during an oil spill based on the spills location. You may ask, what is GIS? In the strictest sense, a GIS is a computer system capable of assembling, storing, manipulating, and displaying geographically referenced information, i.e. data identified according to their locations. Practitioners also regard the total GIS as including operating personnel and the data that go into the system. A geographic in ...
    Related: computer system, geographic, information systems, oil spill, emergency response
  • Graphics Packages - 706 words
    Graphics Packages Graphics Packages Graphics is a word used for all the different types of artwork, such as photographs, graphs, charts etc. Graphics packages Graphics packages may not be as detailed as you think. It can be a simple paint package, which has features of shading, drawing line diagrams and many other simple but effective features. These packages can be an alternative to complicated DTP packages. As it is very difficult to draw with the mouse, many people scan the drawings on the computer and now there are software packages, which do not use a mouse. New equipment used by professionals so that they can get pictures from a variety of places. A video grabber lets you get pictures ...
    Related: graphics, digital camera, computer aided design, different types, printer
  • History Diagnosis And Treatment Of Equine Protozoal Myeloencephalitis - 1,575 words
    History Diagnosis And Treatment Of Equine Protozoal Myeloencephalitis HISTORY DIAGNOSIS AND TREATMENT OF EQUINE PROTOZOAL MYELOENCEPHALITIS. Equine Protozoal Myeloencepalitis is a serious neurological disease in horses caused by a parasite protozoa thought to be sarcosystis neurona. The disease was first identified in the 1960's when lesions and inflammation were seen in the brain and spinal cords of horses that had died of severe neurologic disease. Protozoa were discovered on the lesions in 1974, however the vector was unknown and the disease considered rare. Recently the opossum has been isolated as the probable vector and the likely parasite organism identified as Sarcosystis falcatula. ...
    Related: diagnosis, equine, history, best method, early stages
  • History Of Math - 2,338 words
    ... arly 19th century. The 16th century also saw the beginnings of modern algebraic symbolism (Mathematical Symbols), as well as the remarkable work on the solution of equations by the French mathematician Franois Vite. His writings influenced many mathematicians of the following century, including Pierre de Fermat in France and Isaac Newton in England. Mathematics Since the 16th Century Europeans dominated in the development of mathematics after the Renaissance. 17th Century During the 17th century, the greatest advances were made in mathematics since the time of Archimedes and Apollonius. The century opened with the discovery of logarithms by the Scottish mathematician John Napier, whose c ...
    Related: history, math, century england, non-euclidean geometry, originated
  • Introduction - 2,200 words
    INTRODUCTION Cardiac Location and Structures The heart is the driving force of the circulatory system, contracting about 70 times/minute to pump an adequate volume of blood with sufficient pressure to perfuse all body organs and tissues. The muscular organ, about the size of a clenched fist, weights from 300 to 400 g. It is located within the mediastinum of the thoratic cavity, above the diaphragm and between the lungs. This location subjects the hearts activity to influence from all pressure variances during respiration, Fassler, (1991). Intrathoracic pressure varies with the respiratory cycle. On inspiration, the heart moves slightly vertically, and the increased negative pressure generate ...
    Related: carbon dioxide, heart disease, sympathetic nervous system, lining, conduction
  • King 1 - 750 words
    King 1 The Ebola virus, also know as Ebola hemorrhagic fever is a disease caused by viruses from four different families of viruses: 1)filoviruses, 2)arenavirus, 3)flavavirus, 4)bunyaviruses. The usual host for most of these viruses are rodents or anthropoids (such as ticks and mosquitoes). In some cases, such as the Ebola virus, the natural host for the virus is unknown. All forms of viral hemorrhagic fever begin with a fever and muscle aches. Depending on the particular virus, the disease can progress until the patient becomes very ill with repiratory problems, severe bleeding internally and externally, kidney problems and shock. The severity of viral hemorrhagic fever can range from relat ...
    Related: west africa, animal cells, common cold, electron, viruses
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