rate determining step

The dimerization reaction of reduced radical is supposed to be the rate determining step and the slower dimerization rate in PC rather than that in EC cause the anomalous decomposition of PC.

还原出来的自由基的二次聚合反应，被认为是这一速率的决定因素。

The activation energy of the rate-determining step of the major reaction path was 365.75 kJ/ mol.

动力学支持的主反应路径为生成2-丁烯和乙烯的反应，决速步的活化能为365.75kJ/mol。

The oxidation reaction consists of nucleophilic substitution reaction and a-elimination reaction which is the rate-determining step.

氧化反应由亲核取代反应和α-消除反应组成，α-消除反应是反应的速率控制步骤。

The photodegradation process could be well described by a four-parameter biphasic first-order reaction kinetic model, and showed obvious rapid and slow photodegradation phases, the latter was the rate determining step.

4参数2室一级反应动力学模型可以很好地描述同时洗脱和光催化降解土壤中硫丹的过程，包括快速光降解和慢速光降解两个阶段，后者是整个降解过程的速度控制步骤。

The rate constants of model reaction ⅱ are arranged in decreasing order: k5> k6. The migratory-insertion of silyl group to carbonyl group was proposed as the rate-determining step.

模型反应Ⅱ：k5>k5.提出了硅基对环酮羰基的迁移插入为反应的决定速率步骤。