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initiation rate constant 引发速率常数
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。
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。
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 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)。
The results showed that the browning rate and death rate of the stem segments increased, while the initiation rate decreased, with the increases of colchicine concentration and duration. 结果表明: 随着秋水仙素浓度增加、处理时间延长,带芽茎段褐化程度加重,死亡率增加,而离体茎段的启动率则降低;
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）。
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。
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；
The results show that nitriding rate and nitridation reaction rate constant are improved with the increase of nitridation temperature and time. 实验结果表明:随氮化温度升高、时间延长,各试样的氮化率及氮化反应速率常数提高。
Rate constant(K) of degradation increases with increasing the gas flow rate or decreasing the initial sodium lignosulfonate concentration. 气体流量越大，木质素磺酸钠的初始浓度越低，速率常数K越大，降解效果越好。
The fireball ascended with great rapidity, the initial rate of rise being about a mile per second. 火球以很高的速度上升，上升的最初速度约为每秒1哩。
Estimate the potency degradation rate constant at low temperature with that at high temperature according to Arrhenius equation. 根据阿伦尼乌斯方程，从较高温度下效力衰减的速率常数估算较低温度下的速率常数。