查询词典 hydrochloric

The dye intermediate 2,6-dichloro-4-nitroaniline was prepared by direct chloridization of nitroaniline in the solution of hydrochloric acid.

在盐酸溶液中，以对硝基苯胺为原料，采用直接氯化法制取了染料中间体2，6-二氯-4 -硝基苯胺。

Results show that clicyclohexyl ammonium decanoate has the best inhibiting effect in neutral water and dicyclohexyl ammonium hexylate, dicyclohexyl ammonium octoate and dicyclohyxyl ammonium decanoate are good inhibitors of iron and steel in hydrochloric acid.

研究结果表明，十个碳的二环已胺在中性水中具有最好的缓蚀效果。已酸、辛酸及癸酸十二烷胺等是盐酸溶液中钢铁的优良缓蚀剂。

Taking N205 as surfactant, sulfonic acid as carrier, liquid paraffine as membrane intensifier, kerosene as membrane solvent and hydrochloric acid as well as sodium chloride as aqueous internal phase.

研究了以N205为表面活性剂，磺酸基络合剂为流动载体，液体石蜡为膜增强剂，磺化煤油为膜溶剂，盐酸加氯化钠为内水相的乳状液膜在湿法磷酸体系中捕获镁离子时的稳定性。

The stability of LEM served in magnesium ion extraction under the circumstance of WPA is studied. Taking N205 as surfactant, sulfonic acid as carrier, liquid paraffine as membrane intensifier, kerosene as membrane solvent and hydrochloric acid as well as sodium chloride as aqueous internal phase.

研究了以N205为表面活性剂，磺酸基络合剂为流动载体，液体石蜡为膜增强剂，磺化煤油为膜溶剂，盐酸加氯化钠为内水相的乳状液膜在湿法磷酸体系中捕获镁离子时的稳定性。

The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied.

研究五氯化锑及其盐酸溶液的水解过程。

The hydrolysis process of antimony pentachloride and its hydrochloric acid solution was studied.

摘 要：研究五氯化锑及其盐酸溶液的水解过程。

The analysis of X-ray diffraction and scanning electron microscope energy dispersion spectra show that the primary hydrolysis products of antimony pentachloride and its hydrochloric acid solution are amorphous antimony oxide rather than SbO2Cl.

X射线衍射和扫描电镜能谱分析表明：五氯化锑及其盐酸溶液的初始水解产物不是SbO2Cl，而是一种非晶态锑氧化合物；随着水解母液酸度的降低，五氯化锑溶液水解产物陈化五天后的晶型由非晶态向晶态变化；五氯化锑溶液水解产物经无水乙醇洗涤后水解产物仍为非晶态，而经蒸馏水洗涤虽主要为非晶态，但有少部分结晶的Sb2O5·4H2O晶体存在。

The process of the present invention consists in bringing into contact, on the one hand, gaseous phosphorus pentafluoride or a gaseous mixture comprising phosphorus pentafluoride and hydrochloric acid, and, on the other hand, a solution of lithium fluoride in hydrofluoric acid, in a column (10) having a sufficient number of transfer units to carry out the reaction of PF5 with LiF under the chosen conditions of temperature, of pressure and of molar ratio of the two contrasting reactants and with complete or substantially complete absorption of the PF5 in the column.

本发明方法是让气态五氟化磷或五氟化磷与盐酸的气态混合物与氟化锂的氟氢酸溶液在塔（10）中接触，该塔转化单元数足以在选定温度、压力与两种反应剂摩尔比条件下使PF5与LiF反应，塔中五氟化磷完全或基本完全被吸收。

The dilute hydrochloric acid concentration, Ti/clay ratio, H/Ti ratio, the pillaring reaction temperature, the aging time of pillaring agent and the initial concentration of clay greatly affect the formation of Ti-PILC.

结果表明，盐酸的浓度、Ti／土比、H／Ti比、交联温度、交联剂老化时间和粘土悬浮液浓度等制备条件对钛交联蒙脱石的物化性能有较大的影响。

Keywords aluminum polychloride;Ni-Al alloy powder;sodium metaaluminate;hydrochloric acid addition;concentration ratio of hydroxyl to alumi

聚合氯化铝； Ni-Al合金粉；偏铝酸钠；加酸量；盐基度

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。