查询词典 hydrogen chloride

The utility model is characterized in that a layer of conductive film composed of nickel chloride, chrome oxide, antimony chloride or graphite, etc. is arranged at the bottom of the vessel.

该实用新型的特点是在这一层导电膜组成，氯化镍，铬氧化物，氯化锑或石墨等，是安排在底层的船只。

The utility model is characterized in that one layer of conducting film composed of nickel chloride, chrome oxide, antimony chloride or graphite, etc. is arranged at the bottom of the vessel.

该实用新型的特点是在这一层导电膜组成，氯化镍，铬氧化物，氯化锑或石墨等，是安排在底层的船只。

The utility model is characterized in that one layer of conducting film composed of nickel chloride, chrome oxide, antimony chloride or graphite, etc. is arranged at the bottom of the vessel.

实效模型在引导电影的一层镍氯化物、铬氧化物、锑氯化物或者石墨组成中被表示的特色，等等在船的底部被安排。

When crude price remained a high level,the quantity of bittern increased,adding method of barium chloride was innovated,and the rate of chemical reaction of barium chloride increased,the cost of caustic soda would be reduced.

介绍了SO42-在盐水生产系统中的平衡情况及去除方法，指出在原盐价格坚挺的情况下，增大卤水用量，改进氯化钡的加入方式，提高氯化钡的化学反应率，可降低烧碱生产成本。

Alternatively, the chlorine-containing compound may comprise a compound selected from the group consisting of calcium chloride, barium chloride, and combinations thereof.

或者，所述含氯化合物可包括选自氯化钙、氯化钡和它们的组合的化合物。

The experimental results showed after the mother liquid being reused circularly,the overall yield of barium chloride can reach 92.5% and the mass fraction of strontium in the barium chloride was 0.016%.

实验结果表明，母液循环利用后，氯化钡总收率可达92.5%，氯化钡中锶质量分数为0.016%，产品质量完全满足氯碱企业盐水精制低锶要求，节省了运行费用。

The results show that the addition of accelerators to the treating bath will accelerate the coating formation, and the added ammonium salt and chloride will change the Ce content in the coating from 5.93% to 4.15% and 9.27%, respectively. The added accelerators of ammonium salt and chloride could also increase the coating anti-corrosion performance to 2.6 times and 6.6 times against that treated without accelerator, respectively, and increases the micro-hardness of the Al surface from HV68.8 to HV389 and HV450, respectively.

结果表明：处理液中添加成膜促进剂可提高转化膜的生长速度，并且添加铵盐、氯化物后转化膜的铈含量从5.93%改变为4.15%和9.27%；还发现添加成膜促进剂铵盐、氯化物后转化膜耐腐蚀性提高为原来的2.6和5.6倍，其中后者的耐点滴腐蚀能力优于传统铬酸盐转化膜，并且还可将铝合金表面的显微硬度从HV68.8增大至HV389和HV450。

The synthesis of homocubane derivatives from 4, 6-dicarboxy homocubane was studied, several new compounds were synthesized, and the behavior of homocubanoyl chloride on some reaction was found to be similar with that of benzoyl chloride.

对由4，6—二羧基高立方烷合成不同的衍生物作了一系列研究，合成了一些新化合物，并发现了高立方烷酰氯衍生物与苯甲酰氯有相似的反应性。

Model compounds were synthesized from benzoyl chloride and diamine Ⅰ or diamine Ⅱ in NMP with anhydrous lithium chloride. Structures of model compounds were measured by melting point, FT-IR, element analysis and 〓H NMR. Reaction mechanism was from model reaction.

二胺Ⅰ和二胺Ⅱ分别与苯甲酰氯在含有LiCl的NMP溶液中合成模型化合物，采用熔点，FT-IR，元素分析，〓H NMR等方法对模型化合物的结构进行了表征，根据模型反应确定反应机理。

The "one-pot" synthetic reaction of 2-alkylthio-4-amino-5-cyano-6-methylthiopyrimidines from bis(methylthi-o)methylene propanedinitrile was perfected and the average yield was increased to above 70% in the present of KF/Al2O3 The problem that the amino group of above mention- ed pyrimidine compounds were hard to be acylated by trichloroacetyl chloride and benzoyl chloride was resolved by the use of NaH.

在研究合成方法的过程中，论文对KF/Al2O3催化合成本文嘧啶化合物4的&一锅煮&方法进行了完善和改进，扩大了&一锅煮&法的应用范围，可以直接使用硫酸酯、卤代烷、对甲苯磺酸酯进行合成，平均产率达到70%以上。

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