н-октан

Flammable liquid compounds found in petroleum and natural gas. There are 18 different octanes- they have different structural formulas but share the molecular formula C8H18. ...

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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Sostenitori

Settore/Dominio: Frutta e verdura Categoria: Frutta

банан

The world's most popular fruit. The most common U.S. variety is the yellow Cavendish. They are picked green and develop better flavor when ripened off ...