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

为原料,经化,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%。

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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-油基丙氨酸。

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

以氯化亚矾酸酐为主要原料通过氯法合成了对位均酯二氯。

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

长期脑室内输注氯化钾会预防脱氧皮质酮-盐高血压的产生。

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

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化器。

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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水处理剂聚合氯化铝

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

本文综述了光气下游精细化学品的开生产进,包括二酮类、氯代酯类、异氰酸酯类、氯类、碳酸酯类化合物。

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

本文介绍了氯化亚砜的生产方法、市场需求前景。

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

[摘要] 氯化亚铜是一种重要的无机精细化工产品。

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

介绍了影响N-氨基合成的各种因素,其温度是主要影响因素。

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Cyclopropane carbonyl chloride is an important intermediate.

环丙氯是一种重要的中间体。

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

提出了以固体氯化物为催化剂合成马来酸二丁酯的最佳反应条件。

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

通过成本比较,认为丙是合适的化剂。

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

用四乙基氯化作相转移催化剂可在常压下由胺和溴乙烷合成N,N-二乙基胺。

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

并对混凝土氯离子渗透性试验的氯离子浓度表示和评价方法提出建议。

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

以BTEAC(苄基三乙基氯化铵)为相转移催化剂合成了异烟酸乙酯。

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

研究了以乙二胺和硬脂为原料制备乙撑双硬脂胺的反应,讨论了原料配比、反应时间、反应温度的影响。

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

用氯仿作溶剂,在浴温条件下,4羟基笼状双环磷酸酯分别与戊氯、己化反应。

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

本品含氯化亚汞(Hg 2 Cl 2 )不得少于99.0%。

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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,以氢氧化钾的水溶液作碱,从乙腈和苄基合成了乙腈的单烷基化物-α-苄基乙腈。

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环境与科学

And chlorides can be an indicator of pollution.

氯化物作为污染的指标。

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美食家基地

James, our sodium chloride solution is ready.

詹姆斯,我们的氯化钠溶液已经准备好了。

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科学大揭秘

This reaction produces sodium chloride and oxygen gas.

这个反应产生氯化钠和氧气。

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VOA慢速英语_世界

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

不过,氯化钙确实会把植物不喜欢的氯离子注入土壤。

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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化钾。

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营养健康与癌症预防

Table salt is made up of both sodium and chloride.

餐桌的盐则氯化钠。

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连线杂志

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

基本 99.7% 的盐水,实氯化钠溶解在水中。

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VOA慢速英语_世界

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

当然,还有其他东西可用来代替氯化钠。

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BBC英语大破解

Table salt's chemical name is sodium chloride.

食盐的化学名称氯化钠。

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海底两万里(原版)

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

由此您可看出,氯化钠在海水中含有相当大的分量。

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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。

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福尔摩斯基本演绎法第二季

Rada Hollingsworth was killed with an overdose of potassium chloride.

过量的氯化钾导致了蕾达·霍林沃斯的死亡。

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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漂白粉也无法净化房子。

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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。

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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化钠。

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科学大揭秘

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

钠离子和氯离子比氧原子和氢原子的质量大得多。

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Scishow 精选系列

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

然后代码 3,聚氯乙烯。由一种叫聚氯乙烯的聚合物组成的。

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科学60秒 2017年9月合集

The culprit, he says, may be calcium chloride road salt, used to de-ice highways in the winter.

法南姆表示,造成这种状况的罪魁祸首可能冬季用来为高速公路除冰的氯化钙路盐。

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PBS趣味科普

Sodium chloride can chemically block bitter taste receptors and amplify those that sense sweet, salty, and umami.

氯化钠可从化学阻断苦味味觉受体并放大那些感觉甜、咸和鲜味的味觉受体。

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Osmosis-呼吸

And then if a sweat test then detects high levels of chloride in the sweat—CF is confirmed.

之后如果汗液中检测出高水平氯化物,就可确诊CF。

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