- silica-base catalyst
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катализатор на силикатной основе, силикатный катализатор
Англо-русский словарь технических терминов. 2005.
Англо-русский словарь технических терминов. 2005.
acid–base catalysis — ▪ chemistry acceleration of a chemical reaction by the addition of an acid or a base, the acid or base itself not being consumed in the reaction. The catalytic reaction may be acid specific (acid catalysis), as in the case of decomposition… … Universalium
acid–base reaction — ▪ chemistry Introduction a type of chemical process typified by the exchange of one or more hydrogen ions, H+, between species that may be neutral (molecules, such as water, H2O; or acetic acid, CH3CO2H) or electrically charged (ions, such… … Universalium
катализатор на силикатной основе — силикатный катализатор — [http://slovarionline.ru/anglo russkiy slovar neftegazovoy promyishlennosti/] Тематики нефтегазовая промышленность Синонимы силикатный катализатор EN silica base catalyst … Справочник технического переводчика
Hydroxide — Lewis structure of the hydroxide ion showing three lone pairs on the oxygen atom … Wikipedia
catalysis — catalytic /kat l it ik/, adj., n. catalytical, adj. catalytically, adv. /keuh tal euh sis/, n., pl. catalyses / seez /. 1. Chem. the causing or accelerating of a chemical change by the addition of a catalyst. 2. an action between two or more… … Universalium
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
Sand casting — Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material. It is relatively cheap and sufficiently refractory even for steel foundry use. A suitable bonding agent (usually clay)… … Wikipedia
Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… … Universalium
Mathematics and Physical Sciences — ▪ 2003 Introduction Mathematics Mathematics in 2002 was marked by two discoveries in number theory. The first may have practical implications; the second satisfied a 150 year old curiosity. Computer scientist Manindra Agrawal of the… … Universalium
Heck reaction — The Heck reaction (also called the Mizoroki Heck reaction)[1] is the chemical reaction of an unsaturated halide (or triflate) with an alkene and a base and palladium catalyst to form a substituted alkene.[2][3] Together with the other palladium… … Wikipedia
Carbon sink — A carbon sink is reservoir of carbon that accumulates and stores carbon for an indefinite period. The main natural sinks are: # Absorption of carbon dioxide by the oceans # Photosynthesis by plants and algae The process by which carbon sinks… … Wikipedia