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Search results 4711 - 4720 of 8374 matching essays
- 4711: Albert Camus
- ... State and Cultural Affairs, to buy Recamier Theater in Paris. On returning to Paris, in a car driven by his friend Michel Gallimard, he was in a horrible car accident. The car went out of control and crashed into a tree on the side of the road. This tragedy brought the end of a great writer and role model who is still known as one of the greatest authors of all ...
- 4712: Study of Environmental Issues Associated with Industrialization
- ... and hence it's radiative properties. In other words, we have quite unintentionally started a long-term, global-scale geophysical experiment with the life-support system of this planet - an experiment that we do not control and, as yet, poorly understand. That, in itself, is cause for concern."
- 4713: Effects of Dam Building
- ... continue to leave devastating effects on the environment around them. Firstly, to understand the thesis people must know what dams are. A dam is a barrier built across a water course to hold back or control water flow. Dams are classified as either storage, diversion or detention. As you could probably notice from it's name, storage dams are created to collect or hold water for periods of time when there ...
- 4714: The Promise of Genetic Engineering
- ... or some evil person, but that is far from the fact. Genetic engineering can be used to make many aspects of human life better, including saving lives. The rapid development of humanity's ability to control the gene will eventually lead to a promising future for the entire planet as a whole. Genetic engineering resulted not from the belief that nature should be manipulated and perfected by humanity. Rather, its principle ...
- 4715: Through A Narrow Chink: An Ethical Dilemma
- ... case in nuclear, medical, and chemical research. Invariably someone suffers due to the insincerity of others. Maybe I am being a bit harsh. Djerassi's Pill did give women a great power, the power to control childbirth, as well as a greater freedom toward sexuality that before this was monopolized by men. But medical ethics and moral responsibility must become wed with research in the minds of scientists for a real ...
- 4716: Greenhouse Effect
- ... s deadly radiation, can also act as a blanket engulfing us in heat. This situation is know as the greenhouse effect. What is the greenhouse effect, what causes it, and what can be done to control it? The problem of global warming has been around for some time now. Though not until recently has it become a priority. So important, that figures such as Vice President Al Gore have spoken out ...
- 4717: The Element: Chlorine
- ... given in return for use in foods or when chemical purity is required. Its main uses are in the production of soda ash and chlorine products. The form uses it as refrigeration, dust, and ice control, food processing, and food preservation. Calcium chloride, CaCl2, is usually obtained from salt water or as a by product of chemical processing. Its main uses are road treatment, coal treatment, and concrete conditioning. In addition ...
- 4718: The Effect of Concentrations of Starch and Sugar Solutions on Synthetic Semi-Permeable Membranes
- ... Gatorade and Benedict's Solution orange/green clear blue 17. Using transfer pipettes and dry test tubes, test the solution that has been holding the tubing for Gatorade and starch. Test each separately. Run a control for each. Test each of the original solutions with Benedict's and Iodine solutions. 18. Record Observations: When starch is added to Iodine Solution it turns clear yellow and when Gatorade and Benedict's Solution ...
- 4719: Silicon
- ... electrical properties lie between these extremes. By 1947 the transistor was invented. The Bell Labs research team sought a way of directly altering the electrical properties of semiconductor material. They learned they could change and control these properties by "doping" the semiconductor, or infusing it with selected elements, heated to a gaseous phase. When the semiconductor was also heated, atoms from the gases would seep into it and modify its pure ...
- 4720: The Role Catalysts In Chemical Reactions, Their Importance In Industry, Problems and New Developments
- ... catalysts. Due to the large size of their cavities, large carbonaceous products were able to form in the cavities thus lowering the reactivity if the catalyst. Catalysis with alumina silica-gels was also difficult to control precisely because of their indefinite structure, and therefore uneven distribution of protons. By the mid-1960's it was obvious that silica-alumina gels were inefficient as catalysts and they were replaced by zeolites. Zeolites ...
Search results 4711 - 4720 of 8374 matching essays
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