查询词典 momentum

Wrote down the momentum equations on a rotating sphere is the locally Cartesian coordinate system.

写出在旋转球体中区域笛卡儿座标系下的动量方程。

Due to total angular momentum conservation about the system centre of mass, a torque-free spacecraft system with space manipulators becomes the nonholonomic control system.

自由漂浮空间机械臂系统在无外力矩作用时，系统的动量矩守恒而成为非完整系统。

Due to the total angular momentum conservation to the system centre of mass, the free-drifting spacecraft system becomes a nonholonomic one without considering the external forces moment acting on it.

空间自由漂浮的航天器系统在忽略外力矩的作用时，系统因对总质心的角动量矩守恒而成为非完整系统。

In addition, foreign investment in China in recent years the field of ceramics have also maintained strong momentum.

此外，在中国的外国投资近年来陶瓷领域也保持着强劲的发展势头。

If they are right, the momentum should be with the challenger.

如果他们的这种看法是对的，那么大势将会倾向他的挑战者。

The relativistic mechanics in chapter 21 is circumscribed with primary emphasis on the concepts of energy and momentum.

第二十一章的相对论性力学主要限于强调能量和动量的概念。

The Computation Fluid Dynamics solute a group of differential coefficient equation on mass,energy,momentum,user-defined scalar quantity by numerical value method ,and the solution can predict the detail of the flowing process.It have been the tool to optimize the process set or magnify the fix quantity design .

计算流体力学的原理是用数值方法求解非线性联立的质量、能量、动量和自定义的标量的微分方程组，求解结果能预报流动过程的细节，并成为过程装置优化和放大定量设计的有力工具。

The maximum values of vertical turbulent diffusion coefficient of momentum, temperature and turbulent kinetic energy appear at noon.

在中午前后，动量、温度和湍流动能的垂直扩散系数达到了最大值。

Henan Huanyu Group is recognized by the National Science and Technology Commission,"National Torch Plan Key High-tech Enterprise", with strong momentum of development of export-oriented high-tech enterprise group.

河南环宇集团是由国家科委认定的"国家级火炬计划重点高新技术企业"，具有强劲发展势头的外向型高科技企业集团。

Therefore, the moist potential vorticity analysis associated with the mesoscale convective system was researched in the paper, so as to reveal the moist potential characteristics of mesoscale convective system in typhoon circulation. The results showed that, during the generation stage, convective instability characterized by MPV1 was a favorable condition for forming MCS, while the vorticity which was caused by the slantwise isentropic surface and the vertical shear of the horizontal wind characterized by MPV2 was an inspiring mechanism. The specific process was that, the atmosphere exhibited the feature of strong convective instability at the low level of convection areas and the southeast areas, which included plenty of erratic energy. The slantwise ascended the stream transfer the erratic energy to northwest, where the stratification stability was small. As decreased, the cyclonic vorticity increased. On the other hand, the vorticity caused by the slantwise isentropic surface and the vertical shear of the horizontal wind inspired the release of convective instability and as a result that the MCS formed. During the development stage, the cyclonic vorticity increased quickly with the persistent decreasing of . Meanwhile, the inclination of isentropic linewas bigger than the absolute momentum line at middle level, which exhibited the feature of conditional symmetric instability , then the conditional symmetric instability was forced to release by the vorticity resulted from the slantwise isentropic surface and the vertical shear of horizontal wind, and the MCS developed.

结果表明，在对流形成阶段，MPV1即对流不稳定为MCS的形成提供背景不稳定条件，由MPV2即湿等熵面的倾斜和水平风的垂直切变而引起的涡旋发展作为强迫机制：MCS形成的区域及东南区域中低层是强对流不稳定层，蕴含丰富的不稳定能量，倾斜上升运动把对流不稳定区具有强不稳定能量的暖湿空气向西北中层的中性层结区输送，由于的减小，气旋性涡度增强，有利于形成对流，另一方面，由于湿等熵面倾斜和低空急流加强而引起的涡旋发展作为一种强迫机制激发对流不稳定能量得到释放，从而形成对流；在对流系统地发展阶段，由于低层的对流不稳定性进一步减弱，进一步减小，气旋性涡度进一步增强，有利于MCS的增强，中层等θe 线的倾斜度比绝对动量M 等值线的倾斜度大，对应有条件对称不稳定区域，满足条件对称不稳定条件，在湿等熵面倾斜和台风低空急流作用下引起的涡旋发展强迫对称不稳定能量释放，从而使得对流得以维持和加强。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。