查询词典 gradient change

In the second chapter and third chapter, for showing the convergence of Kohonen self-organizing algorithm, we consider the simulated annealing with a potential function of which the gradient is discontinuous.

为说明Kohonen自组织算法的收敛性，在第二章，第三章中，我们考虑了具有间断梯度的势函数的模拟退火。

Tests reveal that the bottom of the reinforcement cage corresponds to the minimum of the electric potential gradient curve and the inflexion of the electric potential curve.

结果表明钢筋笼的底端对应于电位梯度曲线的极小值点及电位曲线的拐点。

Since the ion radial distributions in liquid directly affect the electroosmotic flow, this study is useful for electroosmotic flow research and the design of nanofluidic devices for species separation by applied potential gradient.

由于离子的径向分布对电渗流有直接影响，因此这一仿真对电渗流的理论研究和利用外电场实现离子分离的纳流体器件的设计具有重要的参考价值。

High-phase order power transmission is an important method to increase the power density because it can obviously decrease the surface potential gradient of the transmission conductor.

多相输电能够明显地降低导线表面的电位梯度，是提高输送功率密度的重要方法。

In this paper,the wave process in a 500kV ultrahigh voltage power transformer winding is calculated and analyzed,the potential distribution and the gradient distribution in high and low voltage winding under the full wave and the truncation wave action are described.

对1台500 kV超高压电力变压器的绕组进行了波过程计算，分别计算了高、低压绕组在全波和截波作用下的电位分布和梯度分布，确定了梯度最大的油道，并计算了相应油道在全波和截波下的绝缘裕度，为变压器的绝缘设计提供了理论依据。

ABSTRACT Multi-phase power transmission is an important method to increase the power density transmitted, because the potential gradient of the transmission conductor surface can be obviously decreased.

多相输电能够明显地降低导线表面的电位梯度，是提高输送功率密度的重要方法。

The restraining effect of Si decreases with decreasing temperature. Fe reduces the chemical potential gradient of the dissolution of iron into molten Al and the driving force of the diffusion of Al into die.

Fe的作用主要是降低模具钢向铝熔体中溶解的化学位梯度和铝向模具中扩散的驱动力，因而，合金中的Si、Fe元素可以降低合金的焊合倾向性。

As one of the important properties, transport study was focused on inorganic materials while little on organic amterials, especially when there exist chemical potential gradient.

其中，M-TCNQ络合物是一种重要的模型材料；由于它们具有电双稳特性与光致变色特性，因而成为高密度信息存储方面的重要候选材料。

The result of simulation indicates that a 2-dimension function may be adopted to describe measuring sense field and potential distribution accord with exponential function on potential gradient line from transmitting electrode to measuring electrode.

模拟计算结果表明，三维电极阵列的敏感场最终可以用二维函数表述，在主发射电极到测量电极的电势梯度线上，电势值的变化规律符合指数函数特征。

The mathematical models of the dynamics of the mass transfer based on the Nernst-Planck equation were established from which it is found that the different characteristics of the water decomposition between the cation and the anion exchange membranes or resins, is owing to the different potential gradient on the two kind of ion-exchange interfaces, which is further because of the difference between the structure and performance of the different membranes or resins, and is also because of the difference between transfer numbers of cation and anion ions.

根据所建立的传质数学模型方程获知在阴阳膜／树脂表面与水接触的界面层中发生的水解离的差异性，是在于离子交换界面电势梯度的差异，而这种差异又与膜与树脂的结构、性能以及阴阳离子在水溶液中的迁移数的差异有关。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。