Alkyl dimethylamine is made from fatly alcohol and dimethyla - mine by one stage catalysis.

由脂肪醇、甲胺一步催化法制取烷基二甲基胺.

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Used Methylamines Plant and Process, complete Methylamines Plant and Process for re - location throughout the world.

二手甲胺回收装置和工艺, 成套甲胺装置和工艺可以在世界各地重新安装.

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The standard curves of inhibition ratios - methamidophos content were set up corresponding to different initial enzyme activity.

同时,针对不同的抑制前的初始酶活,绘制了相应的抑制率 - 甲胺磷含量的标准曲线.

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The effects as the dosage catalyzer and acetic anhydride had been studied in new process.

并探讨新工艺中,异构化催化剂的用量、酰化剂醋酐的配比对乙酰甲胺磷的收率的影响.

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A new process and high effective catalyzer of acephate's synthesis was studied in this paper.

本文提供一种用新型高效催化剂催化甲胺磷与酰化剂醋酐合成乙酰甲胺磷的新工艺.

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Acephate is on sale principally in the form of crystal in national and international markets.

乙酰甲胺磷在国内外市场上主要以高纯度原粉(晶体)形式出售.

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METHODS l - ephedrine was synthesized by taking propiophenone as the starting material followed 4 steps reactions.

方法以苯丙酮为起始原料,经溴代、甲胺化、还原、拆分等反应制得l - 麻黄碱.

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