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Документов, удовлетворяющих Вашему запросу: 6 [показано 5]
- What is Chemistry
Степень соответствия запросу: 82,18%
Фрагменты текста поста :
... What is Chemistry Chemistry is the science of substances, or materials, their composition and characteristics, and the reactions which take place between those substances... ... It is concerned with chemical elements in their pure state and when they are combined, that is, reactions of these elements and the compounds which they form... ... It was necessary, therefore, to develop a special system of chemical symbols... ... These chemical symbols are used to denote various chemical reactions... ... With the help of these chemical symbols, which contain both letters and numbers, chemical reactions can be described in a way which describes the reality of what takes place at the atomic level... ... In turn, these secrets help chemists formulate chemical laws and scientific information, which help them to better understand the world around us... ... Without commercial fertiliser, medicines, plastics and other chemical products, it would be difficult to imagine our lives as they are today... ... Of course, what seemed to be promising chemical discoveries can also be the cause of environmental disasters... ... With its help, a highly poisonous gas, carbon monoxide (chemical symbol CO) is changed into the less harmful molecule carbon dioxide (chemical symbol CO2)... ... Chemistry's Beginnings Many chemical reactions and procedures were being used long before human beings figured out that chemical laws actually governed their behaviour... Подробнее: http://metallurgytop.ru/post_1248527150.php
- Metallurgy - What is It?
Степень соответствия запросу: 6,71%
Фрагменты текста поста :
... It is also the study of metals, its physical and chemical properties, the atomic structure and the process on how to combine to produce an alloy... ... The process metallurgy uses the some method in chemical engineering in the construction of metals... ... Chemical reactions are needed to separate metals from other elements Electrometallurgy, hydrometallurgy and pyrometallurgy are the classification of chemical process... Подробнее: http://metallurgytop.ru/post_1254560654.php
- Calculation of Phase Diagrams
Степень соответствия запросу: 6,71%
Фрагменты текста поста :
... In metallurgical engineering, for example, the CALPHAD method is invaluable when it comes to understanding the relationship between the chemical composition of an alloy (typically based on complex higher&ndash... ... the laws and basic concepts of thermodynamics (enthalpy, heat capacity, chemical equilibrium, Gibbs energy, etc)... ... metal equilibria, chemical vapor deposition processing, hot salt corrosion in gas turbines, and the effect of radiation on the precipitation of silicides in nickel&ndash... Подробнее: http://metallurgytop.ru/post_1272706939.php
- What is Chemistry?
Степень соответствия запросу: 2,73%
Фрагменты текста поста :
... They were the first to make general use of many of the chemicals we use today, such as strong acids &ndash... ... growing Research Chemical Industry... ... Through his extensive experiences in the Chemical Research arena, he is constantly talking to aspiring scientists, researchers as well as Deans, educators in local universities and schools &ndash... Подробнее: http://metallurgytop.ru/post_1248010517.php
- History of Metallurgy
Степень соответствия запросу: 1,68%
Фрагмент текста поста :
... History of Metallurgy Metallurgy is a field of science that tackles the study of the physical and chemical attributes of a metallic substance along with their intermetallic compositions and components which are fused together... Подробнее: http://metallurgytop.ru/post_1254560936.php
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