查询词典 continuity equation

The method we apply is simpler and more intuive and thus helpful for underlying the inner physics than the method only through solving the continuity equation since 40 years ago.

我们的方法比40年来所采用的求解电子能量空间扩散方程的方法不但简单，而且更直观并能揭示其中的物理过程。

Using the new principle.Leopold hydraulic geometry can be derived from continuity equation of flow.

运用比例协调原理，Leopold公式可以从水流连续性方程直接导出。

Now what we finally came up with is that it is still the most robust and the best way to evaluate valvular stenosis by reporting a composite of peak transvalvular velocity, mean gradient and continuity equation valve area.

我们最终得到的结果是，跨瓣峰流速、平均梯度和瓣膜面积的复合指标仍然是最稳定和有效的评价瓣膜狭窄的方法。

In order to explain the phenomena of negative capacitance in light-emitting diodes, we presented a new model based upon the local strong recombination in active region. And we deduced the analytic expression of NC from continuity equation.

为解释发光二极管中的负电容现象，提出了在有源区与局部强复合效应有关的新模型，首次通过对载流子连续性方程的求解导出了NC的解析表达式。

E. the discrete scheme of FBEM and the inner damping method of continuity equation, the author made numerical analysis of viscous flow field in cascade and cascade experiment in the experimental wind tunnel of Section 204 of Harbin Institute of Technology. The calculated results are in agreement with the experimental ones.

为进一步验证本文提出的有限边界元素法离散格式和连续方程的内部阻尼法的可行性，作者对叶栅内的粘性流场进行了数值分析，并与在哈尔滨工业大学204教研室的实验风洞上进行的叶栅实验结果进行了比较。

Consequently ,the paper makes out experimental investigation and numeric calculation for phenomenon of water hammer, and deeply proves that the continuity equation for water hammer calculation is false by comparing and analyzing them.

接着，进行了水击现象的试验研究和数值计算，并将二者进行了比较分析，进一步证明前面分析的结论，水击计算的连续性方程确实是错误的。

By combination of balance equations of electron energy, current continuity equation and distribution function of electron energy, a model to simulate the coaxial RF discharge is set up.

结果表明：对于同轴环形波导，存在三种形式的低耦合损失谐振腔结构，即半共焦结构、半共心结构和平行平面腔结构。

The ones, including conservation of mass, conservation of energy, Newtonian equations of motion, conservation of electric charge, linear momentum principle, continuity equation and Maxwell equations for electromagnet etc., are suitable to all substances. They are universal laws in nature.

连续介质力学的基本方程可分为两类：一类适用于所有物体，构成了自然界的普适规律，如质量守恒、能量守恒、电荷守恒，牛顿运动方程，马克斯威尔电磁学方程、熵产率恒正原理等。

The pressure oscillation which can t be tested by continuity equation is prevented by means of a special averaging procedure of contravariant velocity components on control volume faces.

提出了在贴体坐标系中非交错网格的SIMPLE 算法，通过对控制界面上的逆变速度分量作特殊加权平均处理，可避免在非交错网格中产生压力波动而连续性方程又无法检测出来的问题

A three- dimensional turbulence model in non-orthogonal curvilinear coordinates is proposed to investigate the impacts of vegetation on channel morphology. The model includes vegetation-induced drag force and vegetation density in the control equations to describe the effects of vegetation on flow structure, and solves sediment continuity equation to compute channel geometry.

本文建立曲线坐标系下的三维湍流模型研究水生植物对河道形态的影响，在水流控制方程中加入植物阻力项和植物密度项来描述水生植物对水动力特性的贡献，通过泥沙质量守恒方程求解河道变形，在适体网格中求解模型的控制方程。

Cynanchum Lingtai apricot production in the average weight 65 grams, the brightly-colored fruit, juicy rich, sweet-sour taste, sweet from the nucleolus, when the late Qing Dynasty famous Shaanxi, Gansu provinces, the Qing imperial court Tongzhi tribute for years.

灵台生产的牛心杏平均单果重65克，果实色泽鲜艳，汁多味浓，甜酸适口，离核仁甜，清末时就驰名陕、甘两省，清同治年间曾为朝廷贡品。

Chenopodium album,Solanum nigrum, and Amaranthus retroflexus were very susceptible to the herbicides. Polygonum persicaria and Abutilon theophrasti were relatively less susceptible to the herbicides, and Lycopersicon esculentum was not susceptible to it. The relationship between reduction rates of weed biomass and PPM values of weed leaves 2,4, and 6 days after treatment was established.

供试的6种杂草对该混剂的敏感性存在显著差异：红心藜Chenopodium album、龙葵Solanum nigrum和反枝苋Amaranthus retroflexus对该混剂最敏感，ED90值分别为47.65、71.67和29.17g/hm2；春蓼Polygonum persicaria和苘麻Abutilon theophrasti敏感，ED90值分别为96.91、114.20g/hm2；而番茄不敏感。