materials testing — Introduction measurement of the characteristics and behaviour of such substances as metals, ceramics, or plastics under various conditions. The data thus obtained can be used in specifying the suitability of materials for various… … Universalium
reduction — noun ADJECTIVE ▪ big, considerable, great, large, major, marked, significant, substantial ▪ The changes may result in a greater reduction in employee numbers than we had previously … Collocations dictionary
Reduction of nitro compounds — The chemical reactions described as reduction of nitro compounds can be facilitated by many different reagents and reaction conditions. Historically, the nitro group was one of the first functional groups to be reduced, due to the ease of nitro… … Wikipedia
oxidation–reduction reaction — ▪ chemical reaction Introduction also called redox reaction any chemical reaction in which the oxidation number of a participating chemical species changes. The term covers a large and diverse body of processes. Many oxidation– reduction… … Universalium
Fernald Feed Materials Production Center — The Fernald Feed Materials Production Center (commonly referred to simply as Fernald) was a uranium processing facility located near the rural town of Fernald, in Hamilton County, Ohio, about 20 miles northwest of Cincinnati, which fabricated… … Wikipedia
Source reduction — According to the EPA, source reduction refers to any change in the design, manufacture, purchase, or use of materials or products (including packaging) to reduce their amount or toxicity before they become municipal solid waste.The Federal Trade… … Wikipedia
Selective catalytic reduction — (SCR) is a means of converting nitrogen oxides, also referred to as chem|NO|x with the aid of a catalyst into diatomic nitrogen, chem|N|2, and water, chem|H|2|O. A gaseous reductant, typically anhydrous ammonia, aqueous ammonia or urea, is added… … Wikipedia
Toxics use reduction — is an approach to pollution prevention that targets and measures reductions in the upfront use of toxic materials. Toxics use reduction emphasizes the more preventive aspects of source reduction but, due to its emphasis on toxic chemical inputs,… … Wikipedia
Ceramic materials — Ceramic Si3N4 bearing parts Ceramic materials are inorganic, non metallic materials and things made from them. They may be crystalline or partly crystalline. They are formed by the action of heat and subsequent cooling.[1] Clay was one of the… … Wikipedia
Strengthening mechanisms of materials — Methods have been devised to modify the yield strength, ductility, and toughness of both crystalline and amorphous materials. These strengthening mechanisms give engineers the ability to tailor the mechanical properties of materials to suit a… … Wikipedia
History of materials science — The history of materials science is the study of how different materials were used as influenced by the history of Earth and the culture of the peoples of the Earth.PrehistoryThe materials used by different cultures in most cases were the only… … Wikipedia