Study of DC drives
Tutorials/exercises - 50 pages - Physics
In general practice in industrial applications machine tools make use of motors for their feed applications where in, speed of this motors are controlled in conventional methods i.e., Ward-Leonard system, multiple voltage control, rheostatic control method etc. However, these methods are...
An investigation into the effect of exercise on clinical depression
Thesis - 7 pages - Medical studies
Problems with depression are by no means limited to those who are clinically diagnosed as being so. Generalised, negative affect is experienced by everyone throughout the course of a lifetime. Usually, non clinical depression is linked to some kind of stressor in the environment which can be...
The 'OneWorld' health model and the prospects for future development of therapeutics for infectious disease of the developing world
Thesis - 15 pages - Medical studies
Despite the vast improvements in health care and prevention of infectious diseases in the developed world, six out of ten deaths in the developing world can still be directly attributed to infectious disease. Diarrheal diseases, lower respiratory infections, malaria, measles, TB, and HIV/AIDS...
Distinguishing 'health promotion' from 'disease prevention'
Essay - 4 pages - Medical studies
Over approximately the past one hundred and fifty years there has seen a series of shifts in our definitions of health and disease and, as a result, also in the approaches taken by governments and health professionals towards it. After an initial focus on sanitation and public health in the late...
The effect of diatomaceous earth on the behavior of the Red Imported Fire Ant
Thesis - 7 pages - Biology
Solenopsis invicta, the Red Imported Fire Ant, was brought over on ship cargo by accident from Central Brazil between 1933 and 1945 (Sullivan, 2003). Since then, it has become one of the most hated nonnative pests in the Southern region of North America. RIFA thrive in open, sunny areas such as...
Marfan Syndrome
Essay - 5 pages - Medical studies
Marfan syndrome (MFS) is an autosomal dominant disorder characterized by deformities in the skeletal, cardiovascular, and ocular systems. MFS is caused by a defect in the fibrillin-1 gene (FBN1), located on chromosome 15 at 15q21. Discovery: Marfan syndrome was first described in 1896 by Antoine...
Lupus
Essay - 5 pages - Medical studies
Recognition of gender and ethnicity from the health aspect has become increasingly imperative for medical practitioners. They are realizing the importance of evaluating health risk factors for both male and female, majority and minority groups, and young and old citizens. As diverse as the...
Information technology's constraints
Thesis - 5 pages - Computer science
During this information technology assignment, we're going to focus on the weaknesses of the system. Effectivelly, information technologies are more and more involved in our daily and in our professional lives. Everybody agrees to the fact that information technologies are one of the most...
Is the Dingo a true Aussie specie? Managing the Dingo (Canis lupus dingo): Conflict between the anthropogenic and environmental factors
Essay - 6 pages - Biology
According to Aboriginal myths and legends, the dingo (Canis lupus dingo) would have evolved in Australia from the “Dreaming” - the creation period - and have always been a highly estimated and valued companion. As a consequence of these oral memories and scarce testimonies of the past,...
Gamma ray spectroscopy using a scintillator detector
Essay - 6 pages - Physics
The aim of the experiment is to learn about the basic techniques of gamma ray energy spectroscopy and the interpretation of a spectrum, using a NaI(TI) detector. We obtained the spectra of two gamma sources using a spectrometer and the Maestro program. We also computed the energy resolution of...
Salon Vivez Nature: Trade Show of biological agriculture and natural products
Essay - 3 pages - Biology
What is a biological product? A product is considered biological when the producer did not use any pesticide, chemical weedkiller or fertilizer of synthesis. The biological farmers rather use natural manures, original seeds and cultivate the ground thanks to tested methods. In France, the real...
Studying the soybean nodulation at McGill University
Essay - 20 pages - Biology
This summer I had the great opportunity to do my three months training in McGill University in Quebec, Canada. It is one of the oldest Canadian universities, considered one of the most prestigious universities in Canada and one of the best in North America. According to the Times Higher Education...
The floods and the Cevenol phenomenon
Presentation - 22 pages - Geology
Floods = natural disaster. Floods = hazard for human and several animals. The Mediterranean supplies water. The Cevennes block everything. Climatic situation between 8h and 15h. Formation of cloudy cells, break up in point of V, V cells aspirate everything. Most of impacts are centered in south...
Fuel cells
Essay - 7 pages - Physics
What are the limiting factors in the introduction of PEM fuel cells into mobile power generation? What areas of research are being carried out to address these limitations and which of these do you feel will have the biggest impact in enabling the various types of fuel cells systems? Proton...
Autism
Essay - 3 pages - Medical studies
Autism manifests itself before the age of three years. It is one of the five existing pervasive developmental disorders, which are regarded as neuro-developmental disorders. They are diagnosed on a group of three behavioral impairments or dysfunctions: impaired social interaction, impaired...
Investigating the role of a gene suspected to be part of the hedgehog signaling pathway in Drosophila
Essay - 6 pages - Medical studies
Though Hedgehog (hh) has many homologues in vertebrates that signal through the same pathway, involving homologue proteins involved in Drosophila, leading to different effects on the organism (though all imply the morphogen feature of hedgehog), we will focus on its signalling pathway in the...
As a result of the practice of organ transplantation, do we ultimately require a re-thinking of the meaning of death?
Essay - 7 pages - Medical studies
Ever since its inception in the 1950s, organ transplantation has been accompanied by questions about the ethics of taking organs from the dead and living and giving them to others. Discussions abound among physicians, ethicists, policy makers, and the public. At first living and willing relatives...
The basic principle of a rocket
Essay - 3 pages - Physics
At first sight, a rocket seems to be about fire, noise and smoke. The basic principle of rocket is the famous Newtonian principle which says that "To every action, there is an equal and opposite action". A rocket throws mass in one direction and benefit of an equal reaction in the opposite...
How can the game theory affect the way of negotiating?
Thesis - 2 pages - Mathematics
The theory of the games is a very huge theory. In fact, this theory is enclosing very different sectors as economics, rationality and mathematics with probabilities. Let's explain a little bit what this theory is, which are the main authors and what is its future evolution. In a second part, we...
Can Japanese Sogo-soshas become common in Europe and USA with the system and its current situation?
Essay - 11 pages - Electronics, mechanics, engineering & technology
According to Reuters, a Japanese company has come up with a new way to track down grandmas, grandpas and anyone else who forgets where he or she is supposed to be. The company will use a satellite-based global positioning system and cellular technology. The device has been developed by a firm...
The disposable DVD (DVD-D)
Thesis - 3 pages - Electronics, mechanics, engineering & technology
The DVD-D is a standard DVD that can be used only for several hours after the card board sleeve has been opened. But the sleeve can be opened anytime: now, in one day, in one week, in one month or in several years. Then the DVD-D has a restricted lifespan of eight hours, after which it will be...
Clinical tests in developing countries and pharmaceutical ethics issues
Thesis - 10 pages - Medical studies
The clinical trials performed on humans by the pharmaceutical companies are essentials for the advancement of the knowledge of human health. After the terrible Nazis experimentation during the Second World War, some actions have been taken to protect the participants of the clinical trials. Many...
The use of GIS (Geographic Information Systems) by banks
Essay - 3 pages - Electronics, mechanics, engineering & technology
Nowadays, companies are getting more and more involved in Geographic Information Systems. Indeed, Geographic Information Systems (GIS) are a new tool for today's businesses. This statement is confirmed by Peter Keenan (2005). There are in fact several reasons why companies are increasingly using...
The Health Care System in the UK
Essay - 5 pages - Medical studies
The first national strike in the NHS for nearly 20 years took place in London in September last year. This seems to be of bad omen for the British Health Care system. Before we go further into the subject, let us remember how health care used to be before any protection system existed in the UK....
The consecration of the patient's autonomy
Thesis - 11 pages - Medical studies
Pain, suffering and death are to some extent, inevitable in human life, though Health care must always seek to eliminate unnecessary suffering and untimely death. But it is easy to recognise that prolonging the process of dying us often undesirable. The difficulty encountered by medical teams is...
Computer simulation study of ionic and non ionic hydration
Tutorials/exercises - 6 pages - Physics
Liquids, solution, and liquid crystals present local, but not long-range order. On one hand particles in liquids interacts much strongly than the particles in gas, and this prevents the use of the usual statistical mechanics methods to predict their structure and properties since the needed...
Cost literature review: Assisted reproductive techniques and In-vitro fertilization
Thesis - 11 pages - Medical studies
According to the American Society of Reproductive Medicine, fertility problems affect 7.3 million of women and their partners in the United States. That compromises about twelve percent of the population of reproductive age (American Society for Reproductive Medicine, 2008). The majority of...
Chemicals obtained from wood
Essay - 6 pages - Biology
A wide array of both commodity and specialty chemicals can be derived from wood, either as a primary product or by-product of another process. The technologies in which chemicals are the primary products include thermal degradation, hydrolysis/ fermentation, direct collection, and extraction...
Applications of NMR imaging in processing of foods
Essay - 7 pages - Physics
Magnetic resonance imaging (MRI), originally developed for medical applications, has recently been exploited for observation and characterization of foodstuffs and their manufacture. MRI and its related techniques have already proven useful in non-invasive observations of fruit and vegetable...
What was TV?
Essay - 4 pages - Electronics, mechanics, engineering & technology
In the 1950's television became the dominant mass media as people readily brought small screens into their homes in greater numbers of hours per week than ever before. It was clear that television would leave its mark “for good or ill and be under ever widening scrutiny—and not merely...
