этил капраты

CH 3 (CH 2 ) 5 COOC 2 H 5 A clear, colorless oil with a boiling point of 187_C; soluble in alcohol, chloroform, and ether; taste and odor are fruity; used as a flavor for ...

этил каприлаты

Chemistry; Organic chemistry

CH 3 (CH 2 ) 6 COOC 2 H 5 A clear, colorless liquid with a pineapple odor; used to make fruit ethers. Also known as ethyl octanoate.

абиетин қышқылы

Chemistry; Organic chemistry

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

альфин катализаторы

Chemistry; Organic chemistry

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

Chemistry; Organic chemistry

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

Chemistry; Organic chemistry

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

3,5-диаминобензоқышқыл

Chemistry; Organic chemistry

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

Chemistry; Organic chemistry

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

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Industrija/področje: Holiday Category: Unofficial holidays

Ұлы Американдық Шегу

Observed every year since 1977, the Great American Smokeout takes place on the third Thursday of November. Sponsored by the American Cancer Society, ...