precipitant是什么意思_precipitant的用法_词性_词根

双语例句

A compound used in analysis as a precipitant for palladium or nickel.

在分析中用作钯或镍的沉淀剂的化合物。
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。
Crystalline lanthanum carbonate was synthesized using ammonium bicarbonate as the precipitant.

以碳酸氢铵为沉淀剂合成了碳酸镧晶体。
Nano ZrO2 was prepared by sol-gel method with ZrOCl2·8H2O 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。
Pancreatin was extracted from pig pancreas using isopropyl alcohol as solvent and chitosan as precipitant.

目的：采用异丙醇为提取剂，一种新型沉淀剂壳聚糖对猪胰脏中胰酶的制备工艺进行研究。

近义词

adj.

同根词

词根 precipitin

precipitate adj. 突如其来的；猛地落下的；急促的 n. [化学] 沉淀物 vi. [化学] 沉淀；猛地落下；冷凝成为雨或雪等 vt. 使沉淀；促成；猛抛；使陷入
precipitating adj. 起沉淀作用的；急落的；猛冲的
precipitantly adv. 倒栽地
precipitation n. [化学] 沉淀，[化学] 沉淀物；冰雹；坠落；鲁莽
precipitator n. [化学] 沉淀剂，[矿业] 沉淀器；催促的人
precipitin n. [免疫] 沉淀素

百科

如果向液相中加入某种试剂能产生沉淀，那么这种试剂就叫做沉淀剂。利用沉淀剂产生沉淀可进行液相中的物质分离，还可使“旧”沉淀转化产生新沉淀。由于相对用量不同，有些试剂既可作沉淀剂又可作络合剂。

释义

a cause of a particular action or event

起因

the immediate precipitants of the conflict were a succession of undisciplined actions.

一系列无纪律行为是冲突的直接起因。

chiefly Psychology a cause or stimulus which precipitates a particular condition

【主心理】病因

Chemistry a substance that causes the precipitation of a specified substance

【化】沉淀剂

词源

"early 17th cent.: from obsolete French précipitant ‘precipitating'， present participle of précipiter."