What are the chemical reaction characteristics of tropane alkaloids?
东莨菪碱的鉴别原理是什么？
学反应What are the chemical reaction characteristics of tropane alkaloids?
东莨菪碱的鉴别原理是什么？
The heat brings about a chemical reaction, and oxygen is liberated.
热量引起学反应, 
放出氧气。
A catalyst is a substance which speeds up a chemical reaction.
催剂是一种
加速学反应的物质。
We imagine using an anticatalyst to "freeze out" any chemical reactions in the system.
可想象利用一种反催剂使体
内的任意学反应“冻结”。
The ageing depeion of nitrate-poetherthased Polyurethans were studied by means of swellingtheory of polymere and chemical reaction kinetics.
运用聚合物的溶胀理论和学反应动力学，研究了硝酯基聚醚聚氨酯的老降解过程。
Chemical laser is characteristically energized by an exoergic chemical reaction which produces the nece ssary population inversion of lasing species.
学激光器是以学反应提供源, 并且以学反应产生粒子数反转为基础的。
The gas-solid reaction mechanism was studied in the tank reactor.It was found that the reaction rate was controlled by the interdiffusion and intrinsic chemical reaction.
在釜式反应器内研究了氯磺反应的气固相反应机理，发现气体的内扩散和本征学反应是氯磺反应的控制步骤。
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