催化常数，一个动力学常数，是在底物浓度处于饱和状态下，一个酶（或一个酶活性部位）催化一个反应有多快的测量。
测定了催化剂包的有效因子和表观反应速率常数。
The effective factor and the apparent reaction rate constant of catalyst-capsule were determined.
通过对实验数据的处理，得到了该模型的反应级数、速率常数、表观活化能以及催化剂失活因子等参数。
According to experimental results, the model parameters, such as the order of reaction, the rate constants, the apparent activation energy and the inactivation factor of catalyst were obtained.
测定了甲基橙在不同光催化剂上的吸附常数，探讨了催化剂对甲基橙的吸附机理。
The adsorption constants of methyl orange over catalysts were evaluated and the adsorption mechanism was also discussed.
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