有奖纠错
| 划词

Alkylation of Phenylacetonitrile was realized from phenylacetonitrile and benzyl chloride by using PS-PEG-400 as triphase phase transfer catalyst.

摘要利用固载化聚乙二醇-400作三相相转移催化剂,以氢氧化钾作碱,从苯乙腈和苄氯出发合成了苯乙腈的单烷化物-α-苄苯乙腈。

评价该例句:好评差评指正

This article described how to determine the content of chloride in the industry potassium hydroxide with the mercuric thiocyanide spectrophotometric method .

建立了用硫氰酸汞分光光度法测氢氧化钾中氯化物含量的方法。该方法简便、快捷,样品和试剂用量小,干扰因素少,测范围大。

评价该例句:好评差评指正

Modified method of the preparation of isoeugenol through isomerization of eugenol in the presence of 4 times theoretical amount of KOH with eugenol type basil oil as the starting material is stated.

本文叙述以丁香罗勒油为原材料用4倍理论量的氢氧化钾为催化剂进行异构化制备异丁香酚的改进方法。

评价该例句:好评差评指正

用户正在搜索


cascara, cascara sagrada, cascarilla, cascarilline, cascarin, cascaron, casco, cascode, cascophen, cascorez,

相似单词


3G, 401(K), a,

声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。

Veritasium真理元素

So the potash that Davy was using was actually potassium hydroxide.

因此戴维使用的实际上是

评价该例句:好评差评指正
Veritasium真理元素

Potassium reacts with water, forming potassium hydroxide and hydrogen gas.

与水发生反应, 生成气。

评价该例句:好评差评指正
Crash Course 合篇

As well as strong bases, like sodium and potassium hydroxide.

以及强碱,如

评价该例句:好评差评指正
Crash Course 合篇

The water and hydroxide ions, by the way, come from a solution of potassium hydroxide.

顺便说一句, 水和根离子来自溶液。

评价该例句:好评差评指正
海底两万里(原版)

Did he obtain air using chemical methods, releasing the oxygen contained in potassium chlorate by heating it, meanwhile absorbing the carbon dioxide with potassium hydroxide?

他是用学方法获得空气的吗?是用氯酸加热放出气,还是用吸收二碳气呢?

评价该例句:好评差评指正
Asap SCIENCE 精选

Other prototypes use potassium hydroxide, water and heat energy to go through a series of chemical reactions that eventually release CO2 out of the air, but all of these processes require extra energy and heat in order to work.

其他原型使用、水和热能进行一系列学反应,最终从空气中释放二碳,但所有这些过程都需要额外的能量和热量才能工作。

评价该例句:好评差评指正

用户正在搜索


case-carbonizing, case-carburizing, case-chilled, case-control, casectomy, cased, case-dough, case-finding, casefy, caseharden,

相似单词


3G, 401(K), a,
  • 微信二维码

    关注我们的微信

  • 手机客户端二维码

    下载手机客户端

赞助商链接