A high activity Cu base catalyst has been prepared for methanol synthesis by one step parallel flow coprecipitating method.
用一步并流共沉淀法制备了一种高活性合成甲醇铜基催化剂。
The synthesis of ethyl cellulose was studied by one-step method, with toluene as diluent and orthogonal test was adopted.
采用正交实验的方法，以甲苯为稀释剂，探讨了乙基纤维素一步法合成的工艺条件。
This method is rioted for Its one step synthesis of simplicity and higher yield.
这是一种方法简便、收率较高的一步合成法。
This method is rioted for Its one step synthesis of simplicity and higher yield.
这是一种方法简便、收率较高的一步合成法。
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