势能

2In simple harmonic motion,where there is no damping,the energy of

在没有阻力的简谐运动中，振动质点的能量由动能变为势能，或由势能变为动能，但总能量不变。

2In simple harmonic motion,where there is no damping,the energy of the vibrating particle changes from kinetic to potential and back,with the total energy constant.

在没有阻力的简谐运动中，振动质点的能量由动能变为势能，或由势能变为动能，但总能量不变。with 十名词十形容词的复合结构在句中有结果状语的意味。

If only the interatomic force are considered, atomic stress amounts to the potential density in the resultant force field generated by the neighboring atoms, and atomic elastic constants equals to the potential density increment in the same resultant force field.

如果只考虑原子间作用力的影响，原子应力等于该原子在周围邻域原子合成张量力场中的势能密度，原子弹性常数等于发生单位应变时原子在邻域原子合成力场中势能密度的增量。

The results show that the ECM potential behaves well in whole internuclear region, and that the ECM not only gives satisfied potentials for smaller diatomic molecules but also generates correct potential energies for heavier molecules like halogen diatomic molecules.

研究表明，ECM势不仅有优秀的物理性质，而且在分子振动全程具有较高的精度；ECM不仅能给出小分子电子态的满意势能结果，而且对于其电子构造和物理及化学性质都有一定特殊性的卤素双原子分子，也同样能给出正确的势能曲线。

At its lowest point it has the greatest kinetic energy and no potential energy whatever.

这些论据可以用另一些术语来表达：在最高点小车具有势能而没有动能，在最低点小车具有最大的动能而没有任何势能。

Under the small deformation assumption and by the principle of minimum potential energy, the system function was established.

提出一种基于分子力学的分子结构力学方法，该方法用分子力学中的力场势能函数表述系统的势能，从能量原理出发，在小变形假设的基础上建立系统方程。

Apogee kinetic energy potential of high speed small, low kinetic energy of the perigee rate of large potential energy ...

远地点势能高动能速度小，近地点势能低动能速度大。。。。

Then, on this PES we carried out the time-dependent wave package dynamics study using semirigid vibrational rotation target model.

本文是在较高水平的从头算基础上，采用修正的半经验势能函数，重新构建了Cl+CH4→HCl+CH3反应的全维势能面。

Based on definition of strain energy function,increment formula of stationary potential energy of finite displacement theory were derived in terms of Kirchhoff stress tensor and Green strain tensor.

基于有限位移理论应变能密度函数的定义，利用Kirchhoff 应力张量和Green应变张量，推出了非线性分析中增量形式的势能驻值公式，并证明了由势能增量驻值原理得到的增量平衡方程形式与由虚位移原理所得的结果完全一致。

At higher pressures, six-body effects become significant, and the inclusion of its contribution can extend the theoretical prediction from 60 to 180 GPa, where the empirical Vinet EOS give a lower prediction by 6-14%.

结合双原子势能函数，证明了单原子对体系总势能贡献分量的计算公式E=1/2[β~2U_2+(1-β~2)V_n]，对于高压氦体系，其中待定参数β的取值约0.5。

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。