гидрокорды қышқыл

A compound present in all grapes which is also an essential component of wine to preserve, enliven and shape its flavors and to help prolong its aftertaste. There are four major ...

қышқыл

المشروبات; النبيذ

Sharp-tasting because of acidity. Occasionally used as a synonym for acidic.

қышқыл

التصوير الفوتوغرافي; تصوير فوتوغرافي مهني

chemical substance with a pH value below 7.

абиетин қышқылы

كيمياء; الكيمياء العضوية

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

альфин катализаторы

كيمياء; الكيمياء العضوية

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

كيمياء; الكيمياء العضوية

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

كيمياء; الكيمياء العضوية

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

3,5-диаминобензоқышқыл

كيمياء; الكيمياء العضوية

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.