синтетикалық күрделі эфир

1) In Aristotelian physics, the fifth element, of which the stars and planets are made. 2) In Classical physics, an invisible medium that was thought to suffuse all space.

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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Ipar/Tárgykör: Events Kategória: Awards

Алтын Глобустар

Recognition for excellence in film and television, presented by the Hollywood Foreign Press Association (HFPA). 68 ceremonies have been held since the ...