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- The absorption rate constant expresses the speed of absorption. 吸收速率常数表示吸收的速度。
- The maximal gelation rate constant occurred the top layer. 在凝胶过程中,凝胶速度常数最大的是皮层。
- In addition,it had good anti-bacterial property with bacterial inactivation rate over 80%. 同时,织物还具有较好的抗菌性能,细菌减少80%25以上。
- The apparent reaction rate constant can be obtained by linear regression. 线性回归得出化学反应速率常数表观值。
- Rate constants of conformational changes and inactivation of human creatine kinase during denaturation at the different concentrations of guanidine have been also determined. 比较不同胍浓度下人肌肌酸激酶的失活与构象变化,表明酶的失活先于构象变化。
- The inactivation rate depends directly on exposure temperature (37, 39), and it is important to investigate a method of protein stabilization and to estimate the shelf-life of the strip, i.e., the duration for maintaining 90% of the initial activity. 失活速度直接决定于暴露的温度,因而研究稳定蛋白的方法和测量免疫条的货架寿命,即保持最初活性90%25的持续时间,是很重要的。
- The variation of the return rate constant k with different absolute temperature T deviates Arrhenius empiric equation. 反应速率常数随绝对温度的变化基本上符合阿累尼乌斯定理。
- The higher temperature of the water body, the faster the inactivation rate of TMV.Besides the environmental temperature, some water quality factors also influence the inactivation rate of TMV. 此外,某些水质因子也影响TMV的灭活效率,其中可溶性盐的存在及其含量对TMV的灭活会因所处的环境不同而异;
- The parabolic rate constant B is substantially larger for wet oxidation than for dry. 在湿氧氧化中抛物线速率常数B比干氧氧化中的大得多。
- Its reaction constant K, rate constant k_1, activation energy E_(a.1) and Arrhenius factor k_(0.1) were determined. 测定了其反应常数K、速度常数k_1、活化能E_((?) ,1)及频率因子k_(0,1)。
- This is very significant to both determining the rate constant and estimating the activation energy. 这对于求反应速率常数和估计反应的活化能都具有重要意义。
- The effective diffusion coefficient and rate constant of intraparticle transport were calculated. 求出了颗粒内有效扩散系数和颗粒内扩散速率常数。
- With the seawater salinity increasing,the degradation rate constant of substrate drops. 随着污水中海水比例的增大,基质降解速率常数逐渐变小。
- To master the relation of reaction rate constant and temperature (Arrhenius equation). 掌握反应速率常数与温度的关系(阿累尼乌斯公式)。
- 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. 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。
- The presence of hydroXyethylcellulose (HEC) in the system, which had a lower viscosity, increased the drug release rate constant. 微晶纤维素的加入可使片剂释药速度加快,低粘度的羟乙基纤维素可使药物的溶出速率常数增加。
- Besides,the important effect of rota- tional energy-levels on the rate constant based on Coriolis coupling is also indicated. 此外,本文还指出转动能级对科里奥利机制的速率常数有重要影响。
- Therewas a linear interactionship between the adsorption apparent rate constant and adsorbent-adsorbate interaction energy. 表观吸附速率常数与吸附剂-吸附质相互作用能存在线性关系。
- However, the MPH is reversibly inactivated by diethyl pyrocarbonate (DEPC) and the inactivation rate is 9.6 h~(-1). When adding neutralized hydroxylamine, the enzymatic activity of inactivated-MPH was restored to about 60% of initial activity. 然而二乙基焦磷酸酯对组氨酸侧链的化学修饰引起酶活性的大幅度的下降,其对酶活性的抑制率达到9.;6h~(-1),当在酶的抑制体系中加了羟胺后,MPH的酶活力能够恢复到原来的60%25。
- The results showed that the blocking reaction was a second order reaction and various blocking agents had different reaction rate constant. 结果表明,六亚甲基二异氰酸酯的封闭反应是二级反应,不同的封闭物,反应速率常数不同;