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。