查询词典 hydrogen chloride

The final product Rimonbant was then obtained in 64% yield via chlorination of the acid with oxalyl chloride followed by treatment of the resultant acyl chloride with 1-aminoperidine.

氯与1-氨啶在三乙胺存在下缩合生成目标产物利莫那班，产率64%。

The final product Rimonbant was then obtained in 64% yield via chlorination of the acid with oxalyl chloride followed by treatment of the resultant acyl chloride with 1-aminoperidine.

酰氯与1-氨哌啶在三乙胺存在下缩合生成目标产物利莫那班，产率64%。

To obtain a flocculant which could effectively remove dyes from dyeing wastewater , the amphoteric polymer was prepared by copolymerization of acrylamide, acrylic acid, cationic monomer and dmethyldiallylammonium chloride or acryloyl oxyethyl trimethyl ammonium chloride.

为制备一种对染色废水有显著脱色效果的絮凝剂，采用溶液聚合法，将两种阳离子单体二甲基二烯丙基氯化铵和丙烯酰氧乙基三甲基氯化铵分别与丙烯酰胺，丙烯酸共聚，合成了两性聚合物。

With industrial monomer solution of dimethyldiallylammonium chloride as raw material, ammonium persulphate as initiator and Na_4EDTA as chelating agent,using the methods of adding initiator all at once,graduated increasing of temperature and stepwise initiation and polymerization,the polymerization process of preparing poly-dimethyldiallylammonium chloride was researched.

以一步法工业单体二甲基二烯丙基氯化铵为原料，以过硫酸铵为引发剂，采用一次性加入引发剂，梯度升温，分步引发水溶液聚合反应的方法，对制备聚二甲基二烯丙基氯化铵的聚合反应的工艺进行了优化研究。

A series of polyaluminum silicate chloride with has basicity 2.0 and different Al/Si molar ratio, was prepared by means of two kinds of preparation methods: one is to add NaOH into AlC l3 6H 2O and polysilicic acid mixed solution at different Al/Si molar ratio, the other is to add polysilicic acid into polyaluminum chloride(PAC solution with different B at different Al/Si molar ratio.

一种方法是将 Na Cl 加入到不同 Al／ Si 摩尔比的 Al Cl3（6 H2O 和聚硅酸混合液中；另一种方法是按一定的 Al／ Si 摩尔比将聚硅酸加入到聚合氯化铝液中。

Wynlypj1211 On the other hand, the reporter found that food preservation is divided into polyethylene film by material, polyvinyl chloride, polyvinylidene chloride and other species.

wynlypj1211 另一方面，记者调查发现，食品保鲜膜按材质分为聚乙烯、聚氯乙烯、聚偏二氯乙烯等种类。

The main products are: chloride, polyacrylamide, ion exchange resins, protopine, three acid, filter, ferric chloride, ferrous sulfate, as well as the chemical reagent and so on.

主要产品有：聚合氯化铝、聚丙烯酰胺、离子交换树脂、片碱、三酸、、滤料、三氯化铁、硫酸亚铁、以及化学试剂等等。

Meanwhile other cata- lysts of the Lewis acid type, such as ferric chloride and stannic chloride, were also tried, but the results were not satisfactory.

其他的Lewis酸如氯化铁及氯化锡都经用作催化剂而进行试验；但未得满意的结果。

Different cation asphalt emulsion was prepared taking cetyl trimethylammonium bromide,cetyl trimethylammonium chloride and stearyl trimethylammonium chloride as emulsifier.

以十六烷基三甲基溴化铵、十六烷基三甲基氯化铵及十八烷基三甲基氯化铵为乳化剂制备了不同的阳离子乳化沥青，按ASTMD244的方法获取乳化沥青蒸发残留物，测试乳化沥青蒸发残留物的针入度和其中3种乳化沥青蒸发残留物在不同温度下的黏度，并获得相关黏温性。

In the study, nanocomposite Co/Al2O3 layers were fabricated by composite electrodeposition. Plating bath composition include cobalt sulfamate (CoSO4), cobalt chloride(CoCl2), boric acid(H3BO3), sodium chloride and nanosized Al2O3 powder with different volume concentration. Co ions and Al2O3 can codeposition of Cu substratum by DC current.

本研究以复合电镀方式制备Co/Al2O3复合镀层，所使用的电镀液内的成分有硫酸钴、氯化亚钴、氯化钠、硼酸，其中加入不同体积浓度的奈米级Al2O3粉末，使得Co离子和Al2O3粉末共沈积在Cu基材上而形成复合镀膜。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48