词族 · urethane
词形变化
英语词源
- urethane (n.)
- 1838, from French uréthane (1833), coined by Dumas, apparently from urea + ether + -ane as a generic chemical suffix.
权威例句
- 1. Synthesis conditions of urethane acrylate polymerizable emulsifier was studied.
- 通过对反应产物的化学分析,研究了不同反应温度和反应时间对产物的影响.
- 2. Remove the all of urethane from all pinchweld flanges.
- 由夹紧焊接凸缘去除所有尿烷.
- 3. Using seamless and leakproof urethane frame for good vacuum seal.
- 防漏性佳:使用一体成型之防漏圈条,防漏性佳.
- 4. We need a tool for turning a groove into the urethane wheels.
- 我们需要一个工具的聚氨酯轮子转成一个槽.
- 5. Urethane acrylates are expensive compared to other classes of acrylates.
- 聚氨酯丙烯酸酯比其它类型的丙烯酸酯贵.