系数问题

Then 4 approaches are used for solving semiconductor thermoelectric problems are proponed:(1) solve basic semiconductor equations directly,(2) solve heat transfer equation with the fitting expressions of thermoelectric transport,(3) approximation of relaxation interval time,(4) characteristic temperature of thermoelectric-pile method.

随后，提出了求解半导体热电问题的4种方法：①直接求解半导体方程组②驰豫时间近似法③利用温差电输运系数的拟合式来求解导热方程④热电堆特征温度法。

The electron transfer rate of carbon nanotube field emission hopping electron cathode has been studied with experimental method.

对应用碳纳米管场发射的跳跃电子阴极的三极管结构的电子通过率的研究，提出了的栅网上蒸镀高二次电子发射系数的介质膜的方法，可以有效地解决栅网的截获问题，提高电子通过率。

Based on periodic Daubechies wavelet coefficients feature of the description function, the global matching problem and the local matching problem of the contour curve are discussed.

摘要利用形心点和Aggarwal的形殊点，定义了轮廓形状的描述函数和起始点，并运用描述函数的Daubechies周期小波系数特征，讨论了闭合轮廓曲线的整体匹配和局部匹配问题。

It is important that how to ascertained the coupling coefficient and selected the coupling capacitor ,in the design of the capacitor coupling circuit.

因此，耦合系数的确定与耦合电容的选择是该电路设计中的一个重要问题。

Furthermore,there exists the trend of saturation of laser power density with the increment of impulse coupling coefficient.

关于激光对靶产生冲量问题的实验研究，早在1963年J F R eady[2]就对激光靶冲量耦合系数进行了研究。

And, by adding the self-adaptive temperature decay coefficient, made the SA algorithm could auto-tune the search criteria according the environment, avoid the deficiency of premature convergence.

针对微粒群优化算法在求解作业车间调度问题时存在的易早熟、搜索准确度差等缺点，在微粒群优化算法的基础上引入了模拟退火算法，从而使得算法同时具有全局搜索和跳出局部最优的能力，并且增加了对不可行解的优化，从而提高了算法的搜索效率；同时，在模拟退火算法中引入自适应温度衰变系数，使得SA算法能根据当前环境自动调整搜索条件，从而避免了微粒群优化算法易早熟的缺点。

The character of this new method is that the mechanism of the GA is not changed but the search space and the coefficient of the adjustment of th e optimization parameter are reduced continually, which leads to generation evolution to the next generation in order to produce better optimization indivi duals so as to improve the performance of the GA and get over the disadvantage o f the GA.

提出一种新的混合算法--变尺度混沌遗传算法，该算法把遗传算法和混沌算法混合在一起，在不改变GA搜索机制的同时，根据搜索进程，不断缩小优化变量的搜索空间及调节系数，引导种群进行新一轮进化，从而产生更优的最优个体，改善了GA的性能，有效地克服了GA存在的问题。

The 1D wave equation inverse scattering problem includes many proce- dures such as time-depth conversion,Z transform,1D spectral fac- torization,reflection coefficient and transmission coefficient,et...

三维波动方程逆散射的关键环节可类比于一维波动方程反问题，一维波动方程逆散射中的时深转换、Z变换、一维谱分解和反射与透射系数等环节，在多维波动方程逆散射或速度横向变化介质逆散射的研究中，被替换为射线坐标系、单程波算子、基于Witt积的多维谱分解和反射与透射算子的平面波响应。

Different values of these parameters are used to calculate the elevations of water surface of the head of the channel.

针对该问题，对沿程糙率和局部水头损失系数的取值大小进行了变更比较。

These are references of theory and test for safety assess of reactors. The paper put forward the concept of decrease coefficient , and the actual calculation process of K〓 for forecasting the fatigue life of the structure. The research made it possible to forecast the fatigue life of damaged materials, and the prediction was based on the S-N curve from the fatigue test of the smooth material with controlled strain.

提出了疲劳寿命的减少系数K〓的概念，给出了计算K〓预测结构的疲劳寿命的具体过程，这一问题的研究使以平滑材料控制应变疲劳试验得出的S-N曲线图为基础来预测有损伤材料的疲劳寿命成为可能。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。