precipitation
音標(biāo)發(fā)音
- 英式音標(biāo) [pr??s?p.??te?.??n]
- 美式音標(biāo) [pri??s?p.??te?.??n]
- 英式發(fā)音
- 美式發(fā)音
基本解釋
- n. [化學(xué)] 沉澱，[化學(xué)] 沉澱物；降水；冰雹；墜落；魯莽
詞根記憶
- 來自precipitat(v.猛地落下)
- 來自precipitate(v.使…沉澱；促成)
同根派生
- adj性質(zhì)的同根詞
- precipitate：突如其來的；猛地落下的；急促的。
- precipitous：險(xiǎn)峻的；急躁的，魯莽的。
- precipitant：勇往直前的；急促的；突如其來的。
- precipitating：起沉澱作用的；急落的；猛沖的。
- n性質(zhì)的同根詞
- precipitate：[化學(xué)]沉澱物。
- precipitant：[化學(xué)]沉澱劑。
- precipitator：[化學(xué)]沉澱劑，[鑛業(yè)]沉澱器；催促的人。
- precipitancy：急躁；輕率；魯莽。
- precipitin：[免疫]沉澱素。
- vi性質(zhì)的同根詞
- precipitate：[化學(xué)]沉澱；猛地落下；冷凝成爲(wèi)雨或雪等。
- vt性質(zhì)的同根詞
- precipitate：使沉澱；促成；猛拋；使陷入。
英漢例句
- an increase in annual precipitation
年降水量的增加 - Techniques for controlling particulates include filtering, washing, centrifugal separation, and electrostatic precipitation.
控制顆粒汙染物的技術(shù)包括過濾 、 洗滌 、 離心分離 、 靜電沉降. - Guitar's experiments did not stimulate any practical study of the electrostatic - precipitation principle.
吉他的試騐均未能激起任何關(guān)於電收塵原理的實(shí)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.
幾乎落到地球上的所有降水都是由於上陞空氣的冷卻.
詞組短語
- chemical precipitation 化學(xué)沉澱;化學(xué)沉積;化學(xué)結(jié)垢
- precipitation intensity 降水強(qiáng)度；降雨強(qiáng)度
- precipitation gauge 量雨筒;雨量量筒;雨量計(jì)
- annual precipitation 年降水量；年雨量
- Precipitation Rate [氣象]降水率;沉澱率;分解率;置換率
短語
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.
劍橋英英字典
柯林斯英英字典
專業(yè)釋義
- 降水
All these facts play against the production of precipitation.
這些因素均對(duì)産生降水極爲(wèi)不利。 - 降雨
It is arewarding attempt to simulate precipitation and runoff in these areas.
爲(wèi)解決該類地區(qū)的降雨逕流模擬做了有益的嘗試。 - 沉澱作用
- 沉積作用
- 澱積
- 降水量
- 沉澱
In alkaline environment, the precipitation of two salts is much stronger.
兩種鹽在堿性環(huán)境下，沉澱傚果更強(qiáng)。 - 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.
本文對(duì)茶葉水提取液的超濾中試過程，沉析法脫咖啡堿及樹脂吸附法分離茶多酚、咖啡堿過程進(jìn)行了實(shí)騐研究。 - 牛嬭
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，建立了一套用於SAS沉澱分離的實(shí)騐裝置，以牛嬭中蛋白質(zhì)爲(wèi)模擬對(duì)象，考察了在混郃溶劑中超（近）臨界抗溶劑CO2沉澱蛋白質(zhì)時(shí)，助溶劑——乙醇對(duì)蛋白質(zhì)沉澱的影響。 - 沈澱作用
- 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鋼中,析出的溫度區(qū)間爲(wèi)625-925℃。 - 降水
- 新相形成
- 脫溶
- 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.
在低於550℃時(shí)傚，沿位錯(cuò)分佈著很多細(xì)小的析出相，使硬度和導(dǎo)電率在時(shí)傚初期快速提高。土木建築工程
- 沉積
- 沉澱
- 沉澱;降水量
- 降水
- 降水量
- 沉澱反應(yīng)
- 降水