• A detailed introduction to the types, character, mechanism, influential factors and accomplishment method of phase transfer catalytic reaction under ultrasonic radiation re-viewed.

    本文超声波辐射转移催化反应类型特点机理及影响反应因素实现方法作了评述

    youdao

  • METHODS Phase-transfer catalytic methylation and suitable method of aftertreatment were used. RESULTS The yield and content was both improved.

    结果:反应主要控制在单甲基化阶段,且通过适当后处理方法,可得产物含量较高的固体纯品。

    youdao

  • METHODS Phase-transfer catalytic methylation and suitable method of aftertreatment were used. RESULTS The yield and content was both improved.

    结果:反应主要控制在单甲基化阶段,且通过适当后处理方法,可得产物含量较高的固体纯品。

    youdao

$firstVoiceSent
- 来自原声例句
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定
小调查
请问您想要如何调整此模块?

感谢您的反馈,我们会尽快进行适当修改!
进来说说原因吧 确定