The concentration of hydrogen chloride could reach 31%.

回收次品盐酸浓度达31%。

This acid is very corrosive to most metals; therefore, leaks of hydrogen chloride will tend to escalate with time.

铝具有很好的抗大气腐蚀的性能，但是和其他金属混在一起时容易发生化学反应。

The high concentration of carbon oxide and hydrogen chloride produced by LPG is 80 per cent less than that produced by a petrol engine.

液化石油气所产生的高关注的碳氧化物和氢氧化物，比汽油引擎产生的还少百分之80。

A large amount of hydrogen chloride in chlorination process was produced with the development and application of chlorine products in chlorination industry.

随着氯产品的不断开发和应用，氯化工业中产生大量的副产物氯化氢，同时带来氯碱工业的氯碱平衡问题。

The process selection in hydrogen chloride production was introduced, as well as the improvement of this process and units in the course of design and installation.

介绍了氯化氢生产的工艺路线选择及在采用二合一炉法的设计安装过程中对工艺流程设备、仪表等的改进内容。

A glass optical waveguide (OWG) hydrogen chloride gas sensor was fabricated by coating a thin film of CR-PVA on the surface of ion-exchanged glass OWG with spin coating.

用匀胶机将其做成薄膜固定在钾离子交换玻璃光波导表面，研制出一种光波导氯化氢气体传感器。

Process of hydrogen chloride synthesed by two-in-one graphitic synthetic furnace and its specification of equipment were briefly introduced. Operational status was analysed.

简要介绍了二合一石墨合成炉合成氯化氢的工艺流程及设备规格，并对运行情况进行了总结分析。

A method to treat by-product hydrogen chloride from the production of PTFE is introduced briefly. A safe technique is designed so that safe and stable production is ensured.

简要介绍PTFE生产中副产氯化氢的处理方法，设计了安全技术措施，保证生产的安全稳定进行。

The invention relates to a novel process of joint production of sodium carbonate and hydrochloric acid (or hydrogen chloride), belonging to the field of basic chemical industry.

本发明是一种纯碱和盐酸(或氯化氢)联合生产的新工艺，属基础化工领域。

In order to solve the problems in the synthesizing process of hydrogen chloride in Yunnan Chemical Factory, a new advanced and efficient control method is presented in this paper.

本文针对云南化工厂合成氯化氢成份控制中存在的问题，提出了一种确实可行的控制方案。

A new kind of complex tower technology was introduced. Advantages and problems existing in its application in recycling hydrogen chloride contained in vinyl chloride were discussed.

介绍了一种新型的组合塔技术，探讨了将其应用于回收氯乙烯中氯化氢的优点及存在的问题。

According to the physical and chemical property of hydrogen chloride and hydrochloric acid, relative safety technical measures are designed in order to ensure safety production in the Plant.

根据氯化氢和盐酸的特性，设计了相应的安全技术措施，以保证安全生产。

This paper provides synthesizer's heat exchanger area design method of additive mothballing wall temperature bondage condition in analysed corrosion mechanism of hydrogen chloride synthesizer.

文章在分析水夹套式氯化氢合成炉腐蚀机理基础上提出防腐壁温约束条件的合成炉换热面积设计方法。

Zinc metal reacts with hydrochloric acid to produce bubbles of hydrogen gas and zinc chloride.

金属锌与盐酸反应产生氢气泡和氯化锌。

The aqueous solution products were proved to contain chloride and hydrogen ions with approximately equal concentration.

反应产物中氯离子和氢离子浓度基本相等。

The acid reacts with most metals, to produce hydrogen and the metal's chloride, and with oxides, hydroxides, and many salts.

盐酸与大多数金属反应产生氢和金属的氯化物，还能与氧化物、氢氧化物及许多盐起反应。

The hydrogen peroxide catalytic oxidation and flocculation treatment technology of wastewater with chloroform, carbon tetrachloride in a methane chloride production process were introduced.

介绍了甲烷氯化物生产过程中采用过氧化氢催化氧化-絮凝法处理含氯仿、四氯化碳废水的技术。

The process of adding hydrogen gas in fuel gas of ethylidene chloride pyrolyzer and its effects were introduced.

介绍了在二氯乙烷裂解炉燃料气中添加氢气的工艺过程和效果。

Two different integrated processes of the epoxidation of allyl chloride and production of hydrogen peroxide by anthraquinone route were investigated.

对两种不同的氯丙烯环氧化与蒽醌法生产过氧化氢过程的集成方法进行了研究。

Formed as a sublimate (mixed with ammonium hydrogen carbonate) when calcium carbonate and ammonium sulfate (or chloride) are heated together.

当碳酸钙与硫酸铵(或氯化铵)一起加热时，生成的升华物(与碳酸氢铵混合)。

The result indicated the current of hydrogen permeation from chloride bath was smaller than that from sulfate-chloride bath.

结果表明，氯化物体系比硫酸盐-氯化物混合体系渗氢电流小。

Gypsum, ammonium hydrogen carbonate and potassium chloride were used as raw materials in this research, to produce potassium sulfate, potassium ammonium chloride and calcium carbonate.

以石膏、碳酸氢铵和氯化钾为原料，生产硫酸钾、氯化铵钾和碳酸钙，原料综合利用充分，经济效益好。

Nickel - cobalt - phosphorus alloy was proved with high catalytic activity of hydrogen evolution which can reduce the bath voltage and energy loss during electrolysis of sodium chloride.

结果表明，镍-钴-磷合金具有较高的析氢催化活性，有利于降低槽压，减少能耗。

Results show that the sodium chloride - hydrogen peroxide - water ternary system is simple and no adduct forms in the system.

结果表明，氯化钠—过氧化氢—水是简单的三元体系，没有复盐的生成。

The cathodic reduction of zinc ion occurs with the hydrogen evolution in chloride solutions.

氯化物水溶液电积锌时，阴极发生析锌反应的同时也发生析氢反应。

4-chloro-2-trifluoromethyl aniline was synthesized from 2-trifluoromethyl aniline, using hydrochloric acid-hydrogen peroxide as the chlorination agent and cupric chloride as the catalyst.

以邻三氟甲基苯胺为起始原料，二水氯化铜为催化剂，盐酸-双氧水为氯化剂，合成4 -氯- 2 -三氟甲基苯胺。