бутил

C 8 H 18 O A colorless liquid, boiling at 142_C, and almost insoluble in water; used as an extracting agent, as a medium for Grignard and other reactions, and for purifying other ...

бутил пропионаты

Chimica; Chimica organica

C 2 H 5 COOC 4 H 9 A colorless aromatic liquid; used in fruit essences.

абиетин қышқылы

Chimica; Chimica organica

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

альфин катализаторы

Chimica; Chimica organica

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

Chimica; Chimica organica

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

Chimica; Chimica organica

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

3,5-диаминобензоқышқыл

Chimica; Chimica organica

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

Chimica; Chimica organica

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

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Settore/Dominio: Lingua Categoria: Lingue (generale)

нормативті айтылу

Received Pronunciation (RP), also called the Queen's (or King's) English,[1] Oxford English,[2] or BBC English, is the accent of Standard English in ...