A new method to recover silver from silver-bearing waste catalytic agent is introduced.

介绍了从含银的废催化剂中回收白银的一种新方法。

Learning 4 sets of production unit: MTBE, fractional distillation, cracking and cracking by catalytic agent.

实习期间学习的四套装置为MTBE，气体分馏，重整和催化裂化装置。

By using the finite-difference method, a solution is obtained in this paper to the diffusion problem of the catalytic agent released by the airplane.

本文利用有限差分法对飞机播撒催化剂的扩散问题进行了求解。

Synthesis of azone was carried out from azacycloheptan-2-one and 1-bromododecane using KOH as condensation agent and PEG-400 as phase transfer catalytic agent.

以氮杂环庚—2—酮和1—溴十二烷为原料合成氮酮，用氢氧化钾为反应缩合剂，PEG—400为相转移催化剂。

The method of the invention has no use for a catalytic agent, has a low cost, is reacting stationary, is easy to control, and has a high product yield and a high purity.

本发明方法具有不需要催化剂、 成本低、反应平稳且容易控制、产品收率高、纯度高的特点。

The technique process of compounding unit of catalytic agent of HDPE plant, control procedures and requirements are introduced. Relevant control strategy is studied and made.

介绍HDPE装置催化剂配制单元的工艺流程、控制步骤和要求，研究制定了相应的控制策略。

These catalytic mechanisms of interfacial agent in some chemical reactions are micelle catalysis and phase transfer catalysis.

表面活性剂催化化学反应过程的机理有胶束催化和相转移催化。

After acid catalytic dehydration the condensate subsequent hydrolysis was proceeded in the existence of protective agent, the yield of hydroxycitronellal came up to 87.7%.

缩合物的酸催化水合后的水解反应在保护剂存在下进行，羟基香茅醛的产率达87.7%。

The preparation of ADC foaming agent from biurea by dioxygen catalytic oxidation was investigated and discussed.

对用分子氧催化氧化联二脲制取ADC 发泡剂进行了探讨。

Using lead benzoxy as curing agent, cured epoxy resin was analyzed by means of IR spectrum and DSC curves. Lead benzoxy was considered to be catalytic curing agent.

采用苯甲酸铅做固化剂，通过对环氧树脂固化物的红外光谱及DSC曲线分析，认为苯甲酸铅是一种催化型固化剂。

The effects of solvent, addition agent, H2 protective atmosphere and agent H2 pressure on catalytic reaction were investigated.

对反应溶剂、添加剂、H2保护和H2压力等影响因素进行了考察。

In the laboratory tests of combination process of denitrification refining and fluid catalytic cracking, a specially developed acidic chelating agent is used for denitrification refining.

介绍了焦化蜡油脱氮精制-催化裂化组合工艺的实验室研究情况。

While Schiff base complex has been always interested people because it can be used as anticancer, antibacterial and catalytic activity agent.

而希夫碱配合物所具备的抗癌、抗炎、抗菌等生物活性和催化活性，一直是人们感兴趣的研究课题。

Uses: Mainly used as decolorizer settling agent and high grade polishing powder for making glass. It is also used in the ceramic, electronic and the catalytic industries etc.

用途：主要用于玻璃脱色剂、澄清剂，高级抛光粉材料。还应用于陶瓷、电子、化工催化等工业中。

Uses: Mainly used as decolorizer setting agent and high grade polishing powder for making glass. It is also used in the ceramic, electronic and the catalytic industries etc.

用途： 主要用于玻璃脱色剂、澄清剂，高级抛光粉材料。还应用于陶瓷、电子、化工催化等工业中。

The title curing agent has been prepared by one - step catalytic polymerization process with a specific chemical additive.

采用特定的化学助剂，通过催化聚合法一步合成快干型低游离TDI聚氨酯固化剂。