英语词源
- precipitant (adj.)
- 1610s, from Latin precipitantem, present participle of praecipitare (see precipitate (v.)). As a noun in chemistry from 1680s. The adjective senses now are taken by precipitate (adj.).
权威例句
- 1. For protein crystallization, the main impact of precipitant is on the solvent.
- 对于蛋白质的结晶，沉淀剂主要在溶剂上产生作用。
- 2. It'shows that good produce can be synthesized by using algin as precipitant.
- 结果表明,用草酸氨做沉淀剂可以得到结构和形态比较好的产品.
- 3. The results show that different kinds of precipitant have a great impact on phytin yield.
- 结果表明:沉淀剂的变化对菲汀收率的影响非常显著.
- 4. The best precipitant, its dose used and the waste water treatment are also expounded.
- 文章还阐述了污水的处理方法 、 最佳沉淀剂及其用量.
- 5. Nano ZrO 2 was prepared by sol - gel method with ZrOCl 2·8 H 2 O as ingredient and ammonia as precipitant.
- 以廉价无机盐八水氧氯化锆为原料,用氨水作沉淀剂,采用溶胶 — 凝胶法制备纳米级二氧化锆.
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