precipitant
沉淀剂
常用释义
英音[ prɪˈsɪpɪtənt ]
美音[ prɪˈsɪpətənt ]
基本释义
- adj. 急促的；匆忙的；突如其来的；轻率的
- n. 沉淀剂；起因
例句
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1·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。
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2·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。
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3·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。
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4·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。
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5·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。
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6·If melamine is present, a precipitant is formed, which can also be assessed both visually and by spectrophotometry.如果存在三聚氰胺，将会形成一种沉淀物质，这也可以同时通过肉眼观察和分光光度法进行判断。
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7·The concentration of dextran solution was measured by testing its turbidity value using ethanol as the precipitant.以乙醇为沉淀剂，测定水溶液中葡聚糖溶液浊度的方法测定葡聚糖的浓度。
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8·The pearly pigment of mica titanium was prepared by using the liquid deposition method with the urea as precipitant.采用尿素作为中和剂，用液相沉积法制备了云母钛珠光颜料。
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9·The aging precipitant and fracture topography were observed under TEM and SEM. The mechanism of fracture of samples was analysed.在透射电镜和扫描电镜上观察分析了合金析出物的特征和冲击试样的断口形貌及断裂机制。
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10·The length and thickness can be controlled by altering the reaction temperatures and the reactant concentrations and the precipitant reagents.使用络合沉淀法，控制温度、浓度、改变沉淀剂，制备了长短、粗细可控的棒状氧化锆。
同义词
adj.
勇往直前的；急促的；突如其来的
n.
[化学]沉淀剂
同根词
词根：
precipitin
precipitate
adj
突如其来的；猛地落下的；急促的
precipitating
adj
起沉淀作用的；急落的；猛冲的
precipitate
n
[化学] 沉淀物
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
precipitate
vi
[化学] 沉淀；猛地落下；冷凝成为雨或雪等