查询词典 sulfur chloride

This article describes a brand - new method as viscometry to study the principle and method of water treatment coagulant polyaluminum chloride form existing in the aqueous solution gets the character value of hydrated ion group : A2 , thereby lays foundation for understanding the form of polyaluminum chloride in the aqueous solution provides the directive information for developing efficient new kind of high effective coagulant .

介绍了一种全新的方法--粘度法研究水处理混凝剂在水溶液中的形态的原理和方法，求得水化离子团特征值A_(2)，从而为进一步摸清聚合氯化铝在水溶液中的形态奠定了基础，为开发新型高效混凝剂提供有指导意义的信息。

Methoxystilbene and 2-methoxy-4'-nitrostilbene were synthesized from benzyl chloride and nitrobenzyl chloride by the Wittig reaction, and used as intermediates for the synthesis of the final product fluorescent whitener FP4,4'-bis(2-methoxystyrylbiphenyl via reduction and diazotisation of the latter followed by reaction with the former in the presence of NaOH.

以氯化苄和对硝基氯苄为原料，经Wittig反应合成中间体：2-甲氧基-二苯乙烯和2-甲氧基-4'-硝基-二苯乙烯。后者经还原反应、重氮化反应后，在氢氧化钠存在下与前者反应生成最终产品荧光增白剂FP4，4'-双-2-(甲氧基苯乙烯基联苯。为该类荧光增白剂的合成开辟了一条新路线

Reagent-grade cadmium chloride, copper chloride, and zinc sulfate were used to conduct all studies.

试剂级氯化镉，氯化铜，硫酸锌和使用进行的所有研究。

The determination of zinc chloride and ammonium chloride in electrolyte of dry cells was stu died based on the principle of complexometric titration and acid alkali titration.

应用络合滴定和酸碱滴定的原理，对干电池电解液中氯化锌氯化铵的测定进行了探讨。

Compare the crystalline methods of zirconyl chloride in the preparation of zirconium dioxide by lime-roasting method,and a new crystalline method of adding calcium chloride was proposed.

对石灰制取二氧化锆生产中结晶氯氧化锆的方法进行了比较，提出了加氯化钙结晶的新工艺，对影响氯氧化锆结晶率的因素进行了研究。

The super microporous tin-doped zirconium oxides were successfully synthesized by sol-gel method using zirconyl chloride as Zr source, tin chloride as Sn source and cetyltrimethylammonium bromide as template under hydrothermal or refluxing conditions.

以二氯氧锆和四氯化锡为金属源，十六烷基三甲基溴化铵为模板剂，用溶胶-凝胶法在水热或回流条件下成功合成出了锡掺杂的超微孔二氧化锆材料。

In the tests, the nonionic type polyacrylamide, the anion type polyacrylamide and the zwitterion type polyacrylamide, and the compounding of the poly-aluminum chloride/PHP and the calcium chloride (CaCl2)/NPAM were used as flocculation agents.

选择聚合氯化铝/阴离子型聚丙烯酰胺、氯化钙（CaCl2）/非离子型聚丙烯酰胺组合与NPAM、PHP、两性离子型聚丙烯酰胺作为絮凝剂，在对道清选煤厂水采筛下原生煤泥和浮选尾矿的煤泥水进行组合药剂絮凝实验的基础上，考察了pH对煤泥水絮凝沉降的影响。

Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamides(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯，与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯，再与芳基酰肼进行加成反应，合成8种新型N，N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1～Ⅱ8)。

The study on the technology and kinetics of chlorination of benzyl chloride is rather essential to the design of reactive distillation column in that the new technology about combination of reaction and distillation is used in the production of benzal chloride.

因为拟采用新型反应精馏耦合技术进行苄叉二氯的生产，研究氯化苄氯化工艺和动力学对于反应精馏塔的设计很有必要。

Using benzyl chloride and chlorine as starting materials, benzal chloride is prepared through photo-chlorination in loop reactor.

采用环流反应器、以氯化苄和氯气为原料进行光氯化反应，制备苄叉二氯；将制得的苄叉二氯粗品进行真空精馏得到高纯度的精品；然后用一种新型醇胺类相转移催化剂，分别以盐酸和水作为介质，在 90～ 110℃水解后得到了高纯度的苯甲醛。

In other research, chondroitin is being investigated for use in several other conditions.

在其它研究，软骨素被调查用於几个其它情况。

They would make fun of him for having to work.

他们拿他的工作来开玩笑。