查询词典 sulfureted hydrogen

Reaction mechanism for 11,1,2-tetrafluoroethane preparation is carried out through gas phase fluorination by hydrogen fluoride over chromium-magnesium fluorination catalysts with trichloroethylene as main materials and dynamics models are set up.

研究了以三氯乙烯为主要原料，在铬镁氟化催化剂存在下，用氟化氢气相氟化制备1，1，1，2-四氟乙烷的反应机理，建立了动力学模型。

An acid formed by aqueous solution of hydrogen iodide.

碘化氢的水溶液形成的酸。

An acid formed by aqueous solution of hydrogen iodide .

碘化氢的水溶液形成的酸。把有毛病的工具拣出来。

HI a colorless or yellow aqueous solution of hydrogen iodide .

一种无色或黄色的碘化氢水溶液。

The absence of hydrogen iodide salt formation was demonstrated by a negative halogen analysis.

卤素分析负反应表明没有氢碘酸盐的生成。

By improving the chemical reaction between Potassium Iodide and Hydrogen Peroxide, using initial velocity and activation energy calculation, this paper proposes and discusses the reaction mechanism in the reaction.

通过改进碘化钾与过氧化氢的反应实验，用初速度的方法，通过活化能的计算，讨论提出的反应机理，确定反应级数和催化反应与非催化反应的速度常数。

Bunsen reaction and hydrogen iodide decomposition in IS(iodine-sulfur) cycle, the most industrialized thermochemical cycle was studied.

氢能是一种洁净的能源载体，热化学循环制氢是通过一系列的化学反应在较低的温度下使水分解制取氢气的方法。

Gas phase synthesis of hydrogen iodide was taken for example.The example showed how to calculate extent of reaction from equilibrium constant and to calculate the heat capacities at constant pressure and constant volume.

以碘化氢气相合成反应为例，说明如何由化学反应的平衡常数计算平衡反应进度，进而计算定压热容和定容热容。

The results are helpful to find the proper condition of Bunsen reaction and hydrogen iodide decomposition. Secondly, separation characteristics of 2 liquid phrase and side-reactions from HI、 H_2SO_4、I_2 were investigated experimentally in operating temperature range,from 20℃ to 70℃. The effects of solution temperature 、acid concentration and iodine concentration on separation characteristics of 2 liquid phrase and side-reactions were discussed.

其次，利用恒温型磁力搅拌器加热，使用全自动电位滴定仪滴定离子浓度，在自制的反应器上进行了HI、H_2SO_4、I_2的混合溶液的分层现象和副反应的实验，研究了不同温度、不同浓度的溶液中分层现象的出现，研究了水含量、温度和碘量对液液分离特性的影响和对副反应的影响。

By improving the chemical reaction between Potassium Iodide and Hydrogen Peroxide,using initial velocity and activation energy calculation,this paper proposes and discusses the reaction mechanism in the reaction.

李锦辉，用简单动力学实验证明催化剂在化学反应中的作用

You can buy sweetened beverages, if that suits you.

你若喜欢的话，可以买些含有糖精的混合饮料。

As many of you are probably aware, Nick and Vanessa were recently faced with an embarrasing sex scandal after naked pictures of the two getting jiggy with it in a hot tub surfaced the net.

正如很多你可能知道，尼克和 Vanessa 最近面临一个尴尬的绯闻事件后，赤裸裸的图片两个越来越jiggy与它在浴缸中的一个热点浮现净。