precipitation
音标发音
- 英式音标 [prɪˌsɪp.ɪˈteɪ.ʃən]
- 美式音标 [priːˌsɪp.əˈteɪ.ʃən]
- 英式发音
- 美式发音
基本解释
- n. [化学] 沉淀，[化学] 沉淀物；降水；冰雹；坠落；鲁莽
词根记忆
- 来自precipitat(v.猛地落下)
- 来自precipitate(v.使…沉淀；促成)
同根派生
- adj性质的同根词
- precipitate：突如其来的；猛地落下的；急促的。
- precipitous：险峻的；急躁的，鲁莽的。
- precipitant：勇往直前的；急促的；突如其来的。
- precipitating：起沉淀作用的；急落的；猛冲的。
- n性质的同根词
- precipitate：[化学]沉淀物。
- precipitant：[化学]沉淀剂。
- precipitator：[化学]沉淀剂，[矿业]沉淀器；催促的人。
- precipitancy：急躁；轻率；鲁莽。
- precipitin：[免疫]沉淀素。
- vi性质的同根词
- precipitate：[化学]沉淀；猛地落下；冷凝成为雨或雪等。
- vt性质的同根词
- precipitate：使沉淀；促成；猛抛；使陷入。
英汉例句
- an increase in annual precipitation
年降水量的增加 - Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.
控制颗粒污染物的技术包括过滤 、 洗涤 、 离心分离 、 静电沉降. - Guitar's experiments did not stimulate any practical study of the electrostatic - precipitation principle.
吉他的试验均未能激起任何关于电收尘原理的实用性研究. - an increase in annual precipitation
年降水量的增加 - Nearly all the precipitation that falls on the earth results from the cooling of rising air.
几乎落到地球上的所有降水都是由于上升空气的冷却.
词组短语
- chemical precipitation 化学沉淀;化学沉积;化学结垢
- precipitation intensity 降水强度；降雨强度
- precipitation gauge 量雨筒;雨量量筒;雨量计
- annual precipitation 年降水量；年雨量
- Precipitation Rate [气象]降水率;沉淀率;分解率;置换率
短语
英英字典
- (RAIN) water that falls from the clouds towards the ground, especially as rain or snow
- (QUICK ACTION) a way of behaving too quickly and without thinking
- (IN CHEMISTRY) a chemical process in which a solid substance is produced from a liquid
- Precipitation is rain, snow, or hail.
- Precipitation is a process in a chemical reaction that causes solid particles to become separated from a liquid.
剑桥英英字典
柯林斯英英字典
专业释义
- 降水
All these facts play against the production of precipitation.
这些因素均对产生降水极为不利。 - 降雨
It is arewarding attempt to simulate precipitation and runoff in these areas.
为解决该类地区的降雨径流模拟做了有益的尝试。 - 沉淀作用
- 沉积作用
- 淀积
- 降水量
- 沉淀
In alkaline environment, the precipitation of two salts is much stronger.
两种盐在碱性环境下，沉淀效果更强。 - 沉析法
In this paper, ultrafiltration process of tea extract, decaffeine process by precipitation and adsorption process with XDA-1 macroporus adsorbent resins are studied.
本文对茶叶水提取液的超滤中试过程，沉析法脱咖啡碱及树脂吸附法分离茶多酚、咖啡碱过程进行了实验研究。 - 牛奶
Firstly, a set of experimental apparatus for SAS precipitation processing has been established. The influence of the cosolvent, ethanol, on the precipitation of target protein, from crude milk in the mixed solvent using near- and supercritical CO2 antisolvent was investigated.
首先，建立了一套用于SAS沉淀分离的实验装置，以牛奶中蛋白质为模拟对象，考察了在混合溶剂中超（近）临界抗溶剂CO2沉淀蛋白质时，助溶剂——乙醇对蛋白质沉淀的影响。 - 沈淀作用
- 析出
The temperature region of precipitation is between 625℃and 925℃in Fe-18Cr-12Mn-0.48N steel.
3、在Fe-18Cr-12Mn-0.48N钢中,析出的温度区间为625-925℃。 - 降水
- 新相形成
- 脱溶
- 析出
Aged at the temperature lower than 550℃, it is found that the dislocations provide nucleation site for precipitation and the dispersed precipitates distribute along the dislocation, resulting in the precipitation hardening effect.
在低于550℃时效，沿位错分布着很多细小的析出相，使硬度和导电率在时效初期快速提高。土木建筑工程
- 沉积
- 沉淀
- 沉淀;降水量
- 降水
- 降水量
- 沉淀反应
- 降水