• 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 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.

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  • 在将表面产生速度看作常数的条件下,本文导出了MOS结构对阶跃电压瞬态响应曲线的解析表达式。

    In this paper an analytical expression of the ct transient response curve of a MOS structure has been derived under the condition that the surface generation rate can be regarded a constant.

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  • 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.

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  • 借助磁通反馈环节控制磁化电流扫描速度,使得产生的感应电压接近常数。

    With the help of the sweeping velocity of magnetizing current controlled by a flux feedback loop a nearly constant induced voltage is produced.

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  • 对于长波长的波,传播速度是常数。

    For large wavelengths, the velocity is constant.

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  • 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.

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  • 介绍了利用速度的损失测定气轨阻尼常数的方法,分析了实验误差的主要来源。

    A method that determines the viscous damping constant of air cushion track with measuring the speed losing is introduced and the main sources of experimental errors are analysed.

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  • 提出了基于动态加速常数和速度自适应粒子群优化的智能故障诊断方法。

    It sets up intelligent fault diagnosis based on PSO with dynamic accelerating constants and adaptive velocity.

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  • 仿真结果表明该转子磁链观测器可以在较大速度范围内跟踪转子磁链矢量的变化,同时对变化较大的转子时间常数具有一定的鲁棒性。

    Simulations show that the proposed observer can track rotor flux vector in a large speed range and be robust to the variable rotor time constant.

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  • 数值算例指出,束缚空气的存在将使P波速度降低而使其相应的阻尼常数增大,但对S波却无影响。

    The numerical calculation shows that the restrained gas will reduce the velocity of P waves and increase the damping constants corresponding to P …

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  • 其蜗形部分不采用速度矩为常数的假设,固定导叶的形状沿圆周是变化的,以便与来流相适应;固定导叶与活动导叶两环列叶栅之间的相对位置是由优化计算确定的。

    The hypothesis of constant velocity moment was not used for the spiral parts design, and the shapes of stay vanes are different along the circumference so that they can adapt their...

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  • 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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  • 由无定形碳向石墨转变的反应为准零级,其表观速度为常数。

    The apparent rate of transition reaction from amorphous carbon to graphite is a constant and the reaction order is quasi-zero.

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  • 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.

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  • 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.

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  • 天文学家于1998年发现到宇宙正在加速膨胀,但其加速度所对应到的宇宙常数,却是量子理论预测值的10- 120倍。

    In 1998 astronomers discovered that the universe's expansion is accelerating at a rate consistent with a cosmological constant 10-120 times the value predicted by quantum theory.

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  • 将非线性规划问题的单纯形加速法用于混合酸的线性滴定计算,同时优化酸浓度及有关条件常数,求出酸浓度的最优解。 讨论了影响单纯形法计算速度的因素。

    The simplex optimization method about nonlinear programming problem has been used in the mixed acid linear titration and the effect of various factors on computative speed has been discussed.

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  • 通过对烟道“速度场常数”的研究,提出了利用速度场常数监测烟道烟气平均流速的方法,同时研制出速度场常数自动检测装置。

    By means of study on velocity field constant in flue, a method used to measure average velocity of flue gas was presented.

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