动能

非相对论公式对动能的估算偏低。

The nonrelativistic formula underestimates the kinetic energy .

理论分析表明，辐射出的x射线能量可以超过，也可能小于其等离子体最大动能。

Numerical analysis indicates that the x ray radiation energy can be larger or smaller than the maximal plasma kinetic energy .

人们认为动能是守恒的,也就是说,动能一旦产生,就会转化到其他地方。

Momentum is said to be " conserved , " that is , once you build it up , it has to go somewhere .

如果想改变他的路线,你只有几个选择：你可以阻止他,把他的部分动能转移到你自己身上（这个过程可能是痛苦的）,或者你可以靠近他,慢慢施加压力,逐渐改变他的路线。

If you want to change his course , you have only a few choices : you can stop him , transferring ( possibly painfully ) some of his kinetic energyto your own body , or you can approach alongside and slowly apply pressure to gradually alter his course .

中国将推动跨境电商等新业态新模式加快发展，培育外贸新动能。

China will encourage cross-border e-commerce and other new business forms and models to grow even quicker to foster new drivers of foreign trade .

我们要主动应变、化危为机，深化结构性改革，以科技创新和数字化变革催生新的发展动能。

All this opens new pathways for economic growth . We ought to adapt to change and turn crisis into opportunity . We may deepen structural .

可压缩湍流封闭模型初探&湍流动能K方程

A Form of Turbulent Energy K Equation in Turbulence Model of Compressible Flow

一次MCS的尺度分离动能分析

An Analysis of the Scale-Separated Kinetic Energy of A Mesoscale Convective System

从四维Langevin方程的MonteCarlo模拟计算裂变碎片动能分布

Calculation of the kinetic-energy distributions of fission-fragments from Monte-Carlo simulation to the four-dimensional Langevin equation

动能深侵彻弹的力学设计（III）：缩比实验分析动量动能浅析

Mechanics of structural design of EPW (ⅲ): Investigations on the reduced-scale tests A Tentative Analysis of Momentum And Kinetic Energy

用类α衰变模型计算了~（235）U热中子诱发裂变碎块的质量、动能分布。

Mass and kinetic energy distribution of fragments in thermal-neutron in-duced fission of U are calculated by a α decay-like model .

低能X射线空气比释动能标准辐射场能谱的测量与研究是新建国家空气比释动能标准的基础。

The measurement and research on energy spectrum of standard radiation field in low-energy x-rays is a basis of the new state air kerma standard .

划分时采用流体力学能量方程，位能加动能之和用E指数表示；

The main method employed in classifying grades is Energy Equation in Hydromechanics . E index stands for the sum of potential energy and kinetic energy .

Mcc的结构及其中尺度环境场的动能收支分析

The Structure of Mcc and Kinetic Energy Budgets of Its Meso-scale Environment

在MCS的整个发展阶段，高层的总体动能锐减。

The total kinetic energy of upper troposphere drastically reduced during the MCS 's development phase .

此外，有结皮的土壤降雨侵蚀与前期含水量（C）、坡度（S）、降雨动能（PI）呈正相关。

In addition , rainfall-erosion with crust soil is related with the earlier stage water content ( C ), sloping degree ( S ) and rainfall power ( PI ) .

平面3R机器人动能最优的轨迹规划

Optimal Kinetic energy trajectory planning of planar 3R manipulator

对一给定自由度的结构系统，由系统的模态动能可得系统的Fisher信息阵。

For a structure with given freedom , the Fisher matrix can be formulated from the kinetic energy of the mode .

对于数值模拟，文中假设采用标准的湍流模型，标准的近壁面函数，SIMPLE算法，且湍流动能、湍流耗散项、动量方程都采用一阶迎风格式离散。

ε standard turbulent model , standard Wall Function , SIMPLE method are adopted in this numerical simulation , and the Turbulence Kinetic Energy , Turbulence Dissipation Rate , Momentum Equation adopt First Order Upwind difference scheme for discreteness .

应用了由连续性方程、雷诺应力平均Navier-Stokes方程、紊动能k方程和紊动能耗散ε方程组成的封闭方程组作为泵段及泵装置内部三维湍流流动的控制方程。

Control equations of numerical simulation include continuity equation and Reynolds Navier-Stokes equation with standard k ? ε turbulent model . The Finite-Volume-Method is utilized for discretization of the control equations .

用离子速度成像方法研究了乙烯酮分子在218nm光解下的光解动力学，得到了光解产物CO的共振多光子电离谱，以及在不同振转态的角分布和平动能分布。

Photodissociation dynamics of ketene at 218 nm has been investigated using the velocity map ion-imaging method . Both angular and translational energy distributions for the CO products at different rotational and vibrational states have been obtained .

本文用质量分析离子动能谱/碰撞诱导解离谱和动能释放等方法研究了由甲醇质子转移反应以及CH3~+和H2O缔合反应生成的CH5O~+离子。

CH_5O ~ + ions produced by proton-transfer reaction on CH_3OH as well as association reaction between CH_3 ~ + and H_2O are studied by means of MIKES / CID and kinetic energy release .

中尺度动能以及两种尺度风场相互作用的动能，随MCS发展（减弱）而增加（减小）；

The kinetic energy of the mesoscale motion and of the interaction between large-and meso-scale flow fields increases ( decreases ) with the MCS 's development ( fading );

本文在核裂变统计理论基础上应用微观方法计算了~（235）U热中子裂变的质量分布、动能分布及其它物理量。

Based on the statistical fission theory , we have calculated the mass and kinetic energy distributions as well as other physical quantities of ~ ( 235 ) U fission induced by thermal neutron using microscopical method .

C60分子以30eV初始动能入射到石墨表面时，将保持完好球形沉积在石墨表面；

At the impact energy of 30 eV , C_ ( 60 ) will deposit on the surface of the graphite and keep the sphere-like shape .

利用FLUENT对振荡腔内流场进行了分析，得出腔体的结构参数对自激振荡的形成至关重要，操作参数直接影响出口动能大小。

The flow fields of chamber were analyse by FLUENT , we can educe the chamber structure parameter is important to the forming of self-oscillation and the operation parameters direct effect the out kinetic energy .

写出在模态坐标下自由－自由子结构和弹簧的动能和势能表达式后，由Lagrange方程式可得系统的运动方程式。

With the modal coordinates , after writing out the expression for the kinetic and potential energies of free-free substructures and springs , motion equations of whole system can be obtained by Lagrange 's equations .

引进可以直接测量比释动能的PTW-UNIDOS高精度静电计全面更新主测量系统，同时实现X射线机、γ刻度装置、辐射场环境条件的综合换代升级。

The chief measure system , the X-ray set and the gamma calibration device and ambient condition of radiation fields have comprehensively been superseded and upgraded .

实验发现，二次离子产额Y随入射初动能Ek的增加有先增加后减小的关系，在初动能为576keV时二次离子产额达到最大。

It is found that the secondary ion yield was firstly increasing and then decreasing with the increase of the projectile kinetic energy .

Froude准数和颗粒动能随时间的周期性脉动较好地反映了流化床内节涌流态化的气泡行为。

The pseudo-periodicity of Froude number and particle kinetic energy against time reflects exactly the gas-solid heterogeneous flow structure and motion of large gas bubbles in slug fluidized bed .