词族 · butyl
词形变化
英语词源
- butyl (n.)
- hydrocarbon radical, 1868, from butyric acid, a product of fermentation found in rancid butter, from Latin butyrum "butter" (see butter (n.)).
权威例句
- 1. The compound butyl rubber is calendered.
- 将混制成的丁基橡胶进行精压.
- 2. The degraded starch and acrylamide - butyl acrylate copolymer have been produced.
- 本文制得了异相酸降解淀粉和丙烯酰胺 — 丙烯酸丁酯共聚物.
- 3. Synthesis of n - butyl lactate is catalyzed by phosphotungstic acid and aluminium phosphotungstate.
- 以磷钨酸和磷钨酸铝为催化剂,用乳酸和正丁酸合成了乳酸正丁酯.
- 4. This method is applicable in the field of butyl acetate production.
- 本方法适用于醋酸丁酯的生产领域.
- 5. They were good catalyst for synthesis of n - butyl cinnamate.
- 它们是催化合成肉桂酸正丁酯的良好催化剂.