альфа олефин

альфа олефин

An olefin where the unsaturation (double bond) is at the alpha position, that is, between the two end carbons of the carbon chain.

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олефин

화학; 일반 화학

A compound that consists of only carbon and hydrogen, that contains at least one carbon-carbon double bond. Alkene names end with -ene. Examples are ethylene (CH2=CH2); 1-propene ...

олефин

화학; 유기 화학물질

One of a class of unsaturated aliphatic hydrocarbons containing one or more carbon-to-carbon double bonds.

олефин

화학; 유기 화학물질

CnH 2 n A family of unsaturated, chemically active hydrocarbons with one carbon-carbon double bond; includes ethylene and propylene.

альфа

소프트웨어; 컴퓨터; 운영 체제

The graphics state parameter that Quartz uses to determine how to composite newly painted objects to the existing page. At full intensity (alpha =1.0 ), newly painted objects are ...

альфа

디자인; 디자인

A 'color component' which represents the opacity of an object.

абиетин қышқылы

화학; 유기 화학물질

C 20 H 30 O 2 A tricyclic, crystalline acid obtained from rosin; used in making esters for plasticizers.

альфин катализаторы

화학; 유기 화학물질

A catalyst derived from reaction of an alkali alcoholate with an olefin halide; used to convert olefins (for example, ethylene, propylene, or butylenes) into polyolefin polymers.

бензотиазоль

화학; 유기 화학물질

C 6 H 4 SCHN A thiazole fused to a benzene ring; can be made by ring closure from o-amino thiophenols and acid chlorides; derivatives are important industrial products.

целлюлозалық

화학; 유기 화학물질

Any of the derivatives of cellulose, such as cellulose acetate.

3,5-диаминобензоқышқыл

화학; 유기 화학물질

C 7 H 8 N 2 O 2 Monohydrate crystals with a melting point of 228_C; soluble in organic solvents such as alcohol and benzene; used in the detection and determination of nitrites.

аланил

화학; 유기 화학물질

The radical CH 3 CHNH 2 CO_; occurs in, for example, alanyl alanine, a dipeptide.

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ойыннан тыс доп

(basketball term) any ball that is not live; occurs after each successful field goal or free-throw attempt, after any official's whistle or if the ...