查询词典 hydrochloric acid

And the yield of this process reached more than 98% by the chemical ore-milling of the slags using by hydrochloric acid.

稀土转型渣经过化学选矿，在合适的酸度、反应时间和固液比等条件下，稀土渣品位由18.6%提高到31%左右，稀土收率大于98%。

OBJECTIVE:Proton pump inhibitor is a new effective drugs for the treatment of peptic ulcer,it alternatively inhibits H+/K+-ATP coenzyme and secreetion of hydrochloric acid , sterilizes helicobacter pylori.This paper summarizes the aspect of clinical usage and evaluate their clinical efficacy and safety.

目的：质子泵抑制剂的问市开辟了药物对抗消化性溃疡的作用途径，其选择性地抑制体内H+/K+-ATP酶活性和酸的分泌，同时对胃幽门螺杆菌的感染也具良好的杀灭作用，本文对其进展和临床应用进一步评价。

Methods: As the rabbits were anesthetized and mechanically ventilated via a tracheotomies, lung injury was then induced by endotracheal instillation of 0.0225 mol/L hydrochloric acid (12 ml/kg).

新西兰大白兔麻醉后纯氧机械通气15min，经气管导管注人0.0225mol/L的盐酸12ml/kg，造成急性肺损伤。

Methods The urine was extracted by acetic ether. The extract was dissolved by hydrochloric acid and injected after being volatilized.

原尿用乙酸乙酯提取，提取液挥乾后加盐酸溶解后进样，采用高效液相色谱仪检测2，3-吲哚醌的含量。

The large amount of tin and antimony in the sample can be volatilized after dissolved in the saturated solution with hydrochloric acid and bromine .

试样中大量锡、锑以盐酸溴饱和溶液溶解挥发除去，在凝聚剂硝酸锶存在下，铅离子与k2Cr2O7标准溶液在PH3～4以PbCrO4快速形成沉淀析出[1]。

As for PAn-based composites, the influences of the kinds of oxidant, the amount of hydrochloric acid and barbon black on conductivity were investigated, Li/PAn button-type secondary batteries were assembled with PAn-based composites which were synthesized by chemical oxidative polymerization and used as cathode, the influences of the kinds of oxidant, synthesized technics, conducting carbon black added mode and PAn/metal oxide composites used as cathode on the properties of these batteries were studied.

对于聚苯胺基复合材料体系，研究了氧化剂种类、盐酸用量、炭黑用量对复合材料电导率的影响；以化学法制备的聚苯胺基复合材料作正极组装了Li/PAn二次扣式电池，探讨了氧化剂种类、聚合工艺、导电剂的加入方式以及PAn与金属氧化物复合后作电池正极的性能。

The optimum concentration of dye in hydrochloric acid was 0.06-0.12% for the assay.

最适宜之染料浓度为0.06─0.12%之间。

The research progress of green natural hydrochloric acid pickling corrosion inhibitors has been expatiated.

摘要文章综述了国内外天然绿色盐酸酸洗缓蚀剂的研究进展。

Carbon dioxide is produced when oily sludge and hydrochloric acid slug combinations are injected into porous media.

通过ICPOES、SEM等手段确定了污泥的主要组分为碳酸盐，其中含有菱形及球形碳酸钙颗粒。

Experimental results show that the reaction between hydrochloric acid and sludge under airtight condition is an equilibrium reaction, the reaction rate decreases exponentially with the increase of the initial pressure, the system gelling time increases with the decrease of the pH value, and the plugging performance of the waterglassgel enhanced foam system is superior to that of ordinary foam system due to the small foam diameter and high interfacial film strength.

实验结果表明：盐酸与污泥的反应在密闭条件下是一个平衡反应，且其反应速度随初始压力的增加呈指数降低；体系的胶凝时间随着pH值的降低而增加。由于体系的泡径小，界面膜的强度高，因而水玻璃凝胶增强泡沫体系的封堵效果明显优于普通泡沫体系。

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。