测定了阿里特的分解反应速度常数。
计算了初始阶段的反应速度常数和表观活化能；
The values of apparent activation energy and reaction rate constant were calculated.
旋光度法测定蔗糖水解反应速度常数是动力学的一个典型的实验。
In chemical kinetics, the measurement of velocity constant of sucrose hydrolysis by polarimetry is a typical experiment.
本文提出可以用凝胶速度常数K来表征凝胶速度和生成的膜结构。
The gelation rate constant K is an important parameter in characterizing gelation rate and membrane structure.
本文提出了用拉普拉斯变换求复杂网络反应动力学速度常数的方法。
A method for determining kinetics rate constants of complex reactions by using Laplace transform is proposed.
测定了五种不同类型猝灭剂与单重态氧的物理猝灭速度常数和化学猝灭速度常数。
The physical and chemical quenching rate constants of 5 different kinds of quenching agents and singlet oxygen were determined.
在测定其荧光寿命及荧光量子产率基础上计算出它们的辐射及非辐射衰变速度常数。
On the base of fluorescence quantum yield and lifetime measurement, the rate constants of radiation decay and non radiation decay of this compound were calculated.
实验结果表明：速度常数随浸泡温度的上升和PVC膜中DEHA的起始浓度的提高而增加。
The tests showed that the rate constant value increased with the dipped temperature raise and the increment of the DEHA's initial concentration in the PVC film.
同时还研究了胜利渣油的中间相转化动力学，并求得了反应级数、反应速度常数和反应活化能。
The kinetics of mesophase transformation of Shengli residue oil was discussed and the reaction order, reaction rate constant and apparent activation energy were calculated.
物理猝灭速度常数和总猝灭速度常数愈大，在一定范围内，品红甲亚胺染料的防褪色效果愈好。
To certain degree, the larger the physical and total quenching rate constants, the better the anti-fading effect of magenta azomethine dye.
在碱性溶液中，两步反应速度常数均随离子强度增大而逐渐减小，反应呈较强的动力学盐效应。
In basic solution, the rate constants of both steps gradually decrease with increase of ionic strength, and under this condition the reaction appears greater kinetic salt effect.
物理猝灭速度常数和总猝灭速度常数愈大，在一定范围内，品红甲亚胺染料的防褪色效果愈好。
To certain degree, the larger the physical and total quenching rate constants, the better the anti-…
这些苯胺的双分子淬灭速度常数取决于溶剂的粘度，而且在粘稠的烷烃中可以超过理论上扩散控制的限度。
The bimolecular quenching constants by - these anilines depend on the solvent viscosity and may exceed theoretical diffusion controlled limit in viscous hydrocarbons.
测定了苯醌同还原态GOD的化学反应速度常数，并讨论用苯醌代替氧作为生物电催化中的电子传递体的优点。
The rate constant for the chem. reaction of benzoquinone with reduced GOD was measured, and the advantage of benzoquinone over oxygen as a mediator in bioelectrocatalysis was discussed.
与AH-90相比AH-70沥青具有较高的反应活化能，反应速度常数较小，具有较低的老化速率和较好的抗老化性能。
Paving asphalt of AH-70 has higher reaction active energy, less reaction velocity constant, lower aging velocity and better aging resistance performance than that of paving asphalt of AH-90.
考察其反应产物分布，计算反应网络中各步的反应速度常数和热力学平衡常数，探讨反应网络的主线和反应条件对主线的影响。
Reaction rate constants were calculated upon the products distribution. The main reaction path was given out and the effects of reaction conditions on it were investigated.
提出一种计算线性反应系统动力学速度常数的新方法。对实际计算中可能出现的四种情况进行了讨论，并对三个典型算例加以说明。
A new method for computing the kinetic parameters of liner reaction Systems was proposed. 4 possible cases in practical computation was discussed. Three typical examples are presented.
AP比表面积的增大会导致推进剂初始分解温度、高低温热分解峰温和高低温下分解反应活化能的降低，但分解反应速度常数随AP比表面积的增大而增大。
The increase of AP specific surface area lead to decrease of initial decomposition temperature, decomposition peak temperature and decomposition activation energy, but reaction rate constant rise.
而在这里速度几乎是个常数了-，在这里接近一条直线了。
Here, the velocity is almost constant — it's almost a straight line.
其中，速度表示星系后退的速度，H0为哈勃常数，也即宇宙膨胀速率的参数，而距离指的是星系与相比较星系之间的距离。
H0 is the Hubble constant, or parameter that indicates the rate at which the universe is expanding; and distance is the galaxy's distance from the one with which it's being compared.
请注意此处的加速度，是一个常数，不随时间变化而变化，不过速度是变化的。
So notice that the acceleration is constant in time, is not changing but the velocity is changing.
但是灭绝的速度同一个恒定的常数有着相当大的距离。
上一课的方程我们，已经比较熟了，常数加速度的，一维运动方程。
We know the equations so well from our last lecture from one-dimensional motion with constant acceleration.
几十年来，自动化一直是个常数，而机器人和人工智能领域的最新进展基本上确保了其应用速度将加快。
Automation has been a constant for decades, and the latest advances in robotics and artificial intelligence all but guarantee that the pace will accelerate.
在多层互连基板中，基板材料的介电常数直接影响器件信号的传输速度。
In multilayer interconnected substrate dielectric constant of the substrate materials immediately affects transfer velocity of signal in the device.
特别地，对于常数振幅情形，得到了多项式系数估计的强收敛速度。
Specifically, the convergence rate of coefficient estimate is obtained in constant amplitude case.
但是时间常数越低，允许通过的水平加速度噪声就越多。
But the lower the time constant, the more horizontal acceleration noise will be allowed to pass through.
主发电机的开环时间常数会对建压过冲产生影响，而输出直流电压的上升速度也是一个重要因素。
The open loop time constant of the main generator influence the overshooting evidently. The important factor is the rising speed of the output DC voltage.
光的速度被认为是一个宇宙的常数。
The speed of light is considered as one of the universal constants.
光的速度被认为是一个宇宙的常数。
The speed of light is considered as one of the universal constants.
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