абиетин қышқылы

абиетин қышқылы

C₂₀H₃₀O₂ A tricyclic, crystalline acid obtained from rosin; used in making esters for plasticizers.

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Κλάδος/Τομέας: Chemistry
Category: Organic chemistry
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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.

бензоат

Chemistry; Organic chemistry

A salt or ester of benzoic acid, formed by replacing the acidic hydrogen of the carboxyl group with a metal or organic radical.

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Κλάδος/Τομέας: Fruits & vegetables Category: Root vegetables

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Annual or biennial plant (Raphanus sativus) of the mustard family, probably of Oriental origin, grown for its large, succulent root. Low in calories ...