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单词 precipitated
释义

precipitated /prɪˈsɪpɪteɪtɪd//prɪˈsɪpɪteɪtɪd/

英汉-汉英词典
  1. adj. 沉淀的
  2. v. 使(通常指不好的事件或形势)突然发生;加速;(行动或决定)仓猝的,贸然的,突然的(precipitate的过去分词和过去式)
词组 | 习惯用语
precipitated phase 析出相,脱溶相;沉淀相,淀积相
英语例句库
  1. Falling sales precipitated the failure of the company.
    销售额下降促使该公司倒闭。
  2. Adding sulphate to the solution will give a precipitate.
    将硫酸盐加入该溶液会产生沉淀
  3. The accident precipitated them into the depth of adversity.
    意外事故使他们一下子陷入了苦海。
  4. He lost his footing and was precipitated to the ground.
    他失足摔倒在地上。
  5. Fears about the solvency of the banks precipitated the great economic crash.
    对银行偿付能力出现恐慌更加速经济的崩溃。
  6. Clouds usually precipitate as rain or snow.
    云常会凝结成雨或雪。
  7. The king was too precipitate in declaring war.
    国王在宣战一事上过于轻率
  8. A cool breeze caused a precipitate drop in the temperature.
    冷风使温度急降。
  9. They made a precipitate decision.
    他们作了一个轻率的决定。
  10. Oxgen precipitates (useful for gettering) can reduce the yield strength (critical shear stress) up to fivefole.
    氧沉淀(可用作吸杂)会使屈服强度(临界剪应力)降低为五分之一。
  11. As shown in Fig.1, precipitates microstructure confirms that near solvus temperature precipitation can limit grain boundary precipitation.
    由调整温度, 五谷降雨雪由生核能量限制并且唯一晶界降雨雪存在。
  12. We separated the subfractions of LDL by precipitating method and density gradient ultracentrifugation, and identified the subfraction by electronphoresis and electron microscope.
    通过沉淀法分离LDL,然后经过超速离心法分离其亚组分。
  13. When the denatured reduced egg white lysozymes were renatured by dilution method, an observable amount of aggregate precipitate could be immediately formed.
    当用复性液稀释复性还原服变性蛋白溶菌酶时,会迅速产生可观量的沉淀
  14. When metal-bearing solution moved along deep faults to cavities or frac tures, the metal cations reated with pyrite and organic matter and precipitated as sulfid...
    在构造减压带中,铅锌配合物交代地层中的黄铁矿或被有机质还原而沉淀富集。
  15. Palladium can be separated from polyxene by the process of resolving polyxene,removing nitrate,precipitating palladium,etc.The grade of pure platinum obtained from the process is more than 99.95%.
    粗铂经王水溶解,赶硝,加入丁二酮肟使大部分钯以沉淀的形式与铂分离,余留的少量钯用溴酸钠水解法处理,可达到铂钯分离的目的,所得纯铂品位高于99.95%。

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原声例句
NPR音讯 2020年9月合集

But it's unclear why or what had precipitated the shooting.

但目前尚不清楚导致枪击事件的原因。

VOA Daily Standard 2018年5月合集

The participation of Sierra Leone's military in Peacekeeping operations precipitated another fruitful discussion.

塞拉利昂军队参与的维和任务也促成了另一项成果丰硕的讨论。

经济学人(汇总)

The tech-heavy NASDAQ is down by almost a third, after poor third-quarter earnings precipitated yet another sell-off.

在第三季度盈利不佳引发新一轮抛售之后,以科技股为主的纳斯达克指数下跌了近三分之一。

美国原版语文第五册

Column after column had been precipitated for eight hours on the enemy posted along the ridge of a hill.

一列列军队连续进攻沿山脊守护的敌军,战斗持续长达八小时之久。

麻省理工魔术背后的化学

So how can we predict which one of these two compounds is the yellow precipitate?

我们如何确定这两种化合物中哪一种是黄色沉淀呢?

Osmosis-遗传

With moderate alpha thalassemia, there may be golf-ball like RBCs, due to precipitated HbH molecules.

中度α地中海贫血患者,由于HbH分子沉积,可见高尔夫球样红细胞。

日常生活医学科普

This examination is avoided for fear of precipitating complete obstruction.

尽量避免喉镜检查,以免造成完全阻塞。

TED演讲(视频版) 2019年1月合集

Prolonged drought can precipitate early marriage as families contend with scarcity.

长期干旱会导致家庭因资源匮乏,从而促成早婚。

科学60秒 听力 2014年6月合集

The minerals on the moon's cooler side started to precipitate sooner.

月球上已经冷却的那面上的矿物质迅速凝结冷却沉降。

影视资讯精选

Book fans know that Margot's fate and Paul's are closely intertwined, and that ultimately Paul's rise will precipitate Margot's fall.

书迷们都知道玛戈的命运和保罗的命运紧密相连, 最终,保罗的崛起将促使玛戈势力的衰落。

中文百科

沉淀 Precipitation (chemistry)

(重定向自Precipitated)

沉淀在化学上指从溶液中析出固体物质的过程;也指在沉淀过程中析出的固体物质。事实上沉淀多为难溶物(20°C时溶解度<0.01g)。在化学实验和生产中广泛应用沉淀方法进行物质的分离。

在水处理中指悬浮物在水中下沉,是悬浮物和水在密度上的差异形成的。

英语百科

Precipitation (chemistry) 沉淀

(重定向自Precipitated)
Chemical Precipitation
Crystals of meso-tetratolylporphyrin from a reflux of propanoic acid precipitate on cooling
Copper from a wire displaces silver in a silver nitrate solution it is dipped into, and solid silver precipitates out.

Precipitation is the creation of a solid from a solution. When the reaction occurs in a liquid solution, the solid formed is called the 'precipitate'. The chemical that causes the solid to form is called the 'precipitant'. Without sufficient force of gravity (settling) to bring the solid particles together, the precipitate remains in suspension. After sedimentation, especially when using a centrifuge to press it into a compact mass, the precipitate may be referred to as a 'pellet'. The precipitate-free liquid remaining above the solid is called the 'supernate' or 'supernatant'. Powders derived from precipitation have also historically been known as 'flowers'.

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更新时间:2025/6/18 1:10:36