每一个的动量,分别单独改变,但不是系统的动量,作为一个整体,等于m1+m2乘初速度。
The momentum of each one individually is changing, but not the momentum of the system as a whole, and so this equals v prime.
在物理学中,运动的物体有两个特征与理解能量系统动力学相关:惯性和动量。
In physics, moving objects have two characteristics relevant to understanding the dynamics of energy systems: inertia and momentum.
毕竟,我们不只是说物体或人有动量;我们说的是整个系统都有动量。
After all, we don't speak only of objects or people as having momentum; we speak of entire systems having momentum.
若没有外力,作用于系统整体,在碰撞过程中,动量就是守恒的。
And if there is no net external force on the system as a whole during the collisions, then momentum is conserved.
之前的动量一定,与之后动量相等,因为并没有外力,作用于系统。
The momentum before must be the same as the momentum afterwards because there are no external forces on the system.
仅在系统活动量少的时候安排执行RUNSTATS,这是最大程度地减少系统影响的一个好方法。
Scheduling RUNSTATS to run only during low-activity periods in the system is a good way of minimizing the impact to the system.
你眼前所看到的是,动能可被损耗,而动量不会被损耗,若无外力作用于系统。
So what you see here in front of your eyes that kinetic energy can be destroyed, but momentum cannot be destroyed in the absence of external forces.
,如果外力,作用于系统的外力为,意味着动量没改变。
that if the external force, 0 the total external force on the whole system is zero, it means that the momentum cannot change.
星云的动量,作为整体是不变的,若无外力作用于系统,如果外力总和为。
The momentum of the cluster as a whole would not change if there are no external forces on the system, 0 if the net sum, the total external force, is zero.
基于混沌神经网络的供配电系统故障诊断,采用引入动量项和混沌映射的改进BP算法。
The improved BP algorithm added momentum item and chaotic mapping was adopted in fault diagnosis of power supply system based on chaotic neural network.
所引用的文献特别注意了从新一代高能量、动量分辨的能量分析器得到的系统、深入的工作。
Special attention is paid to the nice results obtained by the state_of_art Scienta analyzer with the extremely high energy and momentum resolution.
这个方程组包含着热输运和动量输运,能够演示这种非平衡态系统的动力过程。
These equations involve heat and momentum transports and govern the kinetic evolution of the non-equilibrium system.
建立的尾流再附动力学模型包括:伞系统运动方程、尾流运动方程、伞衣-尾流动量交换方程。
The model includes three parts: equations of the motion for the parachute-store system, equations of the motion for the wake, equations of the momentum transfer between parachute and wake.
介绍环境流场中的动量及纯量传输,主要着重于河川和湖泊系统的探讨。
Introduction to momentum and scalar transport in environmental flows, with emphasis given to river and lake systems.
同时,万向磁悬浮动量轮的研究也为集成能源与姿态控制系统的研究提供了技术支持。
Simultaneously, the study for gimbal magnetic suspension momentum wheel can benefit the integrated power and attitude control system technologically.
角动量的向量特性,进动,角动量守恒(它在系统内部之间的转移),章动。
Vector nature of angular momentum, precession, conservation of vector angular momentum (its transfer between parts of a system), nutation.
吹竹乐活动不仅能增强神经系统的机敏灵活性,而且也能增加五脏六腑以及一部分肌肉的活动量。
Blows the bamboo happy activity not only to be able to strengthen nervous system's resourceful flexibility, moreover can also increase the viscera as well as a part of muscle's active mass.
利用环路积分的方法求解动量方程,进一步求得系统的体积流量。
System volume flux was gained by loop integral the momentum equation.
动量词是汉语量词系统的两大部类之一。
Dynamic classifier is one of the two divisions of classifiers.
数控车床丝杠进给系统刚度对系统的失动量和定位精度影响较大。
Rigidity of feed system with ball screw in nc lathe has a major influence on loss of momentum and positioning precision.
在检测系统中实现了对干涉条纹移动量的计数。
A detection system for counting shift number of interference fringe is established.
通过构造出质系动量系统碰撞模型和采用线性编址双缓冲图形绘制技术,实现了质系动量定理的实时仿真。
By constructing momentum theorem collision model and employing addressable, double-buffered graphic rendering technology and the real-time simulation of momentum theorem is implemented.
利用动量矩守恒原理导出带太阳阵航天器的动力方程,指出了系统的非完整约束性质。
The equation of a spacecraft with solar arrays are obtained by using the conservation principle of momentum .
粒子的系统动力,角动量和动力学。
Momentum, Angular Momentum, and Dynamics of a System of Particles.
当激子系统趋近统计平衡时,该公式就自动过渡到具有角动量的费米气能级密度公式。
When the exciton system closes to the statistical equilibrium, this exciton state density automatically approaches to the Fermi-gas nuclear level density with angular momentum.
将梯度优化过程看作反馈控制系统,从而提出了一种带动量项的PID梯度算法(PIDGDM)。
An algorithm of PID gradient descent with momentum term (PIDGDM) is proposed. In this algorithm, the procedure of gradient optimization is considered as a feedback control system.
求出了双光子系统的所有的波函数,这些波函数所代表的态都有一定的角动量和宇称,并且有系统地分析了这些态中光子的偏振情况。
All the wave function of a two-photon system with definite angular momentum and parity are found out, the polarization states of photons systematically analyzed.
结论:牡蛎提取物能维持运动员免疫系统机能的相对稳定,对大运动量训练期间运动员的免疫机能产生良好影响。
CONCLUSION: the oyster's extracts can keep athlete's immune system function in a good condition, exert a good influence on the athlete's immune function during the period of high intensity training.
因此维修服务系统又有自身的两个特点:备件需求波动量大和缺货成本很高。
So, maintenance service systems have two own peculiarities: a wide range of fluctuating of demands of spare part and high cost of outing of stock.
它将在核系统的激发能、角动量和同位旋三个自由度深入进行。
It will be fully exploited according the degree of freedom of excitation energy, angular momentum and isospin of the nuclear system.
应用推荐