precipitate
precipitate 英 [prɪˈsɪpɪteɪt] 美 [prɪˈsɪpɪˌtet]
n. [化学] 沉淀物 vt. 使沉淀；促成；猛抛；使陷入 vi. [化学] 沉淀；猛地落下；冷凝成为雨或雪等
进行时:precipitating 过去式:precipitated 过去分词:precipitated 第三人称单数:precipitates 名词复数:precipitates
- Precipitate usually means "bringing something on" or "making it happen" — and not always in a good way. An unpopular verdict might "precipitate violence" or one false step at the Grand Canyon could precipitate you down into the gorge.
- 请先登录
- n. [化学] 沉淀物
- vt. 使沉淀；促成；猛抛；使陷入
- vi. [化学] 沉淀；猛地落下；冷凝成为雨或雪等
- adj. 突如其来的；猛地落下的；急促的
-
1. The one thing that could precipitate a sudden Chinese move out of dollars is serious economic and financial mismanagement in the United States.
唯一一个可以促成中国逃离美元的原因可能是在美国投资金融管理不当和当地严重的经济问题。
-
2. Lloyd George suspected that the French were trying to precipitate the disintegration of Germany by sponsoring a break-away Rhineland state (as indeed they were).
劳埃德·乔治怀疑法国人正在通过资助莱茵州的分裂（法国人确实这样做了），试图促成德国的解体。
-
3. If the solution is too far from the IEP, the proteins are highly soluble and surface tension gradients never develop; too close, and the proteins precipitate out.
如果溶液远离这个等电位点，那么蛋白质会是高度可溶的因此表面张力梯度就无法形成；如果太接近这个等电位点，蛋白质会析出沉淀。
- precipitate (adj.) c. 1600, from Latin praecipitatus, past participle of praecipitare "to throw or dive headlong," from praeceps (genitive praecipitis) "steep, headlong, headfirst," from prae "before, forth" (see pre-) + caput "head" (from PIE root *kaput- "head"). Meaning "hasty" is attested from 1650s. Related: Precipitately.
- precipitate (n.) 1560s, probably a back formation from precipitation.
- precipitate (v.) "to hurl or fling down," 1520s, a back formation from precipitation or else from Latin praecipitatus, past participle of praecipitare "to throw or dive headlong," from praeceps (genitive praecipitis) "steep, headlong, headfirst," from prae "before, forth" (see pre-) + caput "head" (from PIE root *kaput- "head"). Meaning "to cause to happen, hurry the beginning of" is recorded from 1620s. Chemical sense is from 1620s; meteorological sense first attested 1863. Related: Precipitated; precipitating.
- 请先登录
0 个回复