有奖纠错
| 划词

Taking pyromellitic dianhydride and thionyl chloride as raw key material, 2,5-bis(methoxycarbonyl)terephthaloyl chloride was synthesized.

亚矾及均苯四甲酸酐为主要原料通过酰法合成对位均苯二甲酯二酰

评价该例句:好评差评指正

Cyclopropane carbonyl chloride is an important intermediate.

环丙甲酰是一种重要的中间体。

评价该例句:好评差评指正

The best reaction condition are determined when synthesizing dibutyl maleate by using sloid chloride as catalyst.

提出以固体为催剂合成马来酸二丁酯的最佳反应条件。

评价该例句:好评差评指正

Long-term intracerebroentricular infusion of potassium chloride preents the deelopment of deoxycorticosterone–salt hypertension.

长期脑室内输注钾会预防脱氧皮质酮-盐高血压的产生。

评价该例句:好评差评指正

Synthesis of ethyl iso nicotinate using BTEAC (benzyl triethyl ammonium chloride) as phase transfer catalyst was studied.

以BTEAC(苄基三乙基铵)为相转移催剂合成异烟酸乙酯。

评价该例句:好评差评指正

Preparation of ethylene bis stearamide using stearyl chloride and ethylenediamine (EDA) as raw materials has been studied.

研究以乙二胺和硬脂为原料制备乙撑双硬脂酰胺的反应,讨论原料配比、反应时间、反应温度的影响。

评价该例句:好评差评指正

The high-effective water treatment agent-polyaluminium chloride is produced by industrial aluminiferous waste slag.

利用工业含铝废渣生产高效剂聚合

评价该例句:好评差评指正

N-oleoyl alanine was prepared by the reaction of alanine with chlorides under alkali solution.

将油酸和丙氨酸在碱性溶液中反应制备N-油酰基丙氨酸。

评价该例句:好评差评指正

Chloroform being solvent,under bath heat,4 hydroxymethyl caged bicyclic phosphate acylated with pentanoyl chloride and hexanoyl chloride dividedly.

仿作溶剂,在浴温条件下,4羟甲基笼状双环磷酸酯分别与戊酰、己酰发生酰反应。

评价该例句:好评差评指正

N,N-diethylaniline was synthesized from aniline with bromoethane using tetraethylammonium chloride as phase transfer catalyst under atmospheric presure.

用四乙基作相转移催剂可在常压下由苯胺和溴乙烷合成N,N-二乙基苯胺。

评价该例句:好评差评指正

Several production methods,market demands and development of sulfinyl chloride are introduced in this paper.

本文介绍亚砜的生产方法、市场需求及发展前景。

评价该例句:好评差评指正

Tartrate solution and zirconyl chloride were used as the matrix modifier for coating graphite tube.

采用酒石酸-锆复合溶液作基体改进剂,锆涂层热解石墨管为原子器。

评价该例句:好评差评指正

The various effects on synthesis of N-methyl-carbamyl chloride were studied.Temperature is most important one.

介绍影响N-甲氨基甲合成的各种因素,其温度是主要影响因素。

评价该例句:好评差评指正

Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.

以苯甲为原料,经酰,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%。

评价该例句:好评差评指正

Cuprous chloride is an important inorganic fine chemical product,which was produced by nantokite reduction method.

[摘要] 亚铜是一种重要的无机精细工产品。

评价该例句:好评差评指正

This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.

本文综述光气下游精细学品的开发及生产进展,包括二苯甲酮类、代甲酯类、异氰酸酯类、酰类、碳酸酯类

评价该例句:好评差评指正

Content : mimimum 99.0 per cent of mercurous chloride (Hg 2 Cl 2 ).

本品含亚汞(Hg 2 Cl 2 )不得少于99.0%。

评价该例句:好评差评指正

The propionyl chloride was found to be the appropriate acylating agent in terms of the cost.

通过成本比较,认为丙是合适的酰剂。

评价该例句:好评差评指正

Some advice regarding chlorinity expressing measure and assessment method in the chloride ion permeability test is proposed.

并对混凝土离子渗透性试验的离子浓度表示和评价方法提出建议。

评价该例句:好评差评指正

This article is a study of methylene chloride as a substitute for trichloro-fluoromethane in producing flexible polyurethane foam.

讨论用二甲烷替代一氟三甲烷进行软质聚氨酯泡沫塑料的生产。

评价该例句:好评差评指正
加载更多

用户正在搜索


canicular days, canicule, canid, Canidae, canikin, canine, canine distemper, canine tooth, canines, caning,

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。

科学大揭秘

This reaction produces sodium chloride and oxygen gas.

这个反应产生氯和氧气。

评价该例句:好评差评指正
BBC英语大破解

Table salt's chemical name is sodium chloride.

食盐的学名称是氯

评价该例句:好评差评指正
VOA慢速英语_世界

Still, calcium chloride does put chloride ion, which plants don't like, into the soil.

不过,氯钙确实会把植物不喜欢的氯离子注入土壤。

评价该例句:好评差评指正
美食家基地

James, our sodium chloride solution is ready.

詹姆斯,我们的氯液已经准备好了。

评价该例句:好评差评指正
环境与科学

And chlorides can be an indicator of pollution.

可以作为污染的指标。

评价该例句:好评差评指正
营养健康与癌症预防

Potassium chloride is sometimes used in commercial products.

有时,商业产品中会出现氯钾。

评价该例句:好评差评指正
Scishow 精选

Sodium chloride, otherwise known as table salt.

,也称为食盐。

评价该例句:好评差评指正
Scishow 精选

So what makes sodium chloride so special?

那么是什么让氯如此特别呢?

评价该例句:好评差评指正
营养健康与癌症预防

Table salt is made up of both sodium and chloride.

餐桌上的盐则是氯

评价该例句:好评差评指正
Scishow 精选

Then there's code number 3, PVC, which is made of a polymer called " polyvinyl chloride" .

后是代码 3,聚氯乙烯。它是由一种叫聚氯乙烯的聚合物组成的。

评价该例句:好评差评指正
福尔摩斯基本演绎法第二季

Rada Hollingsworth was killed with an overdose of potassium chloride.

过量的氯钾导致了蕾达·霍林沃斯的死亡。

评价该例句:好评差评指正
VOA慢速英语_世界

Local factories also use the water to get minerals -- potash, bromine, sodium chloride, and magnesium chloride, among others.

当地的工厂也利用水来获取矿物质——钾肥、溴、氯和氯镁等。

评价该例句:好评差评指正
海底两万里(原版)

Hence you observe that sodium chloride is encountered there in significant proportions.

由此您可以看出,氯在海水中含有相当大的分量。

评价该例句:好评差评指正
连线杂志

And so it's like 99.7% salt water, which really sodium chloride in water.

所以它基本上就是 99.7% 的盐水,实际上是氯解在水中。

评价该例句:好评差评指正
VOA慢速英语_世界

There are, of course, other things that can be used in place of sodium chloride.

,还有其他东西可以用来代替氯

评价该例句:好评差评指正
Osmosis-神经

GABA binds to GABA receptors, which tell the cell to open up chloride ion channels.

GABA与GABA受体结合,使细胞氯离子通道打开。

评价该例句:好评差评指正
克兰福镇

Chloride of lime would not purify the house in its owner's estimation if he had.

如果他去过,贾米森夫人会认为就是用漂白粉也无法净房子。

评价该例句:好评差评指正
PBS趣味科普

To maintain this, we need to consume about six grams of sodium chloride every day.

为了维持这些,我们每天需要消耗大约六克氯

评价该例句:好评差评指正
经济学人-科技

If inundated by chloride ions, as a result of corrosion by salt water, their conductivity increases.

若因海水腐蚀而大量接触氯离子时,其导电性会增强。

评价该例句:好评差评指正
科学大揭秘

Its ions, sodium and chloride, have significantly more mass than the atoms of oxygen and hydrogen.

离子和氯离子比氧原子和氢原子的质量大得多。

评价该例句:好评差评指正
加载更多

用户正在搜索


capacito-plethysmograph, capacitor, capacitor microphone, capacitron, capacity, capacity-input, capadyne, Capaneus, capapie, cap-a-pie,

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