for conservation of momentum, the atom must recoil with a momentum of this magnitude in the opposite direction.

okay, conservation of momentum.

下一个，动量守恒。

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the principle of conservation of momentum holds whatever the nature of the internal forces, conservative or not.

动量守恒原理则不管内力的性质如何（保守的或非保守的）都能适用。

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the exact statement of the law of conservation of momentum and the law of conservation of moment of momentum

动量守恒定律和动量矩守恒定律的正确表述

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so, you see, that's exactly how you can demonstrate the conservation of momentum.

你看，这正是，验证动量守恒的方法。

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momentum is conserved, and that's called the conservation of momentum.

动量守恒，这就叫作动量守恒。

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so the conservation of momentum tells you what the speed is after the collision.

动量守恒定律告诉你，碰撞后速度是多少。

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an exact derivation of conservation of momentum for quantum system under invariance of translation in space

空间平移不变性与动量守恒的严格证明

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conservation of momentum, the law of restitution that sort of stuff.

类似于动量守恒，还原法则之类的原理。

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verify law of conservation of momentum with single-chip microcomputer

用单片机验证动量守恒定律

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and so now i can apply, for the first time, the conservation of momentum.

我可以第一次应用，动量守恒。

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man-made ship model: a typical example of the law of conservation of momentum

动量守恒的一个特例&人船模型问题

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a problem worth noticing in the law of conservation of momentum

动量守恒定律中一个值得注意的问题

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several different denoting ways of the law of conservation of momentum

动量守恒定律的几种不同表述方式

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the energy equation consists of ( a) energy transfer of an electron beam which excites the whistler waves, and ( b) energy transfer of whistler waves, which are described by conservation principle of wave action density.

能量方程包含：（a）激起哨声波的电子束能量转移，（b）用波作用密度守恒原理描述的哨声波能量转移。

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through a careful and fundamental study of the building energy conservation principle and its relationship with the welfare improvement, and the economic incentives associated with the design of policies, the essay tries to promote energy-saving construction and propose practical advices.

本文通过深入探讨建筑节能的外部性原理及其福利改进的影响，提出了相关的经济激励政策与设计思路，为推动我国建筑节能工作的开展提供建议。

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based on the assumption mode method, the lagrange equation and the momentum conservation principle, the paper derived the dynamics model of a free-floating flexible dual-arm space robot that holds a rigid payload in a horizontal workspace.

本文基于假设模态法、La-grange方程和动量守恒原理，推导了一种自由浮动柔性双臂空间机器人协调操作刚性负载闭链系统的动力学模型。

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based on the conservation principle of linear and angular momentum, the method derives the equations of the mass and mass center as well as inertia tensor of the new end-effector for the manipulator handling the unknown object.

该方法基于线动量和角动量守恒定律，推出了机械臂负载未知目标的新的末端效应器的质量、质心和转动惯量的方程组。

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based on the total mass conservation principle of calcium element in a desulfurization agent before and after a reaction, the authors have proposed a novel method for analyzing a calcium-based gas-solid desulfurization reaction-calcium balance method.

基于脱硫剂反应前后钙元素总量守恒的原理，提出了一个分析钙基气固脱硫反应的新方法-钙平衡法。

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for the purpose of controlling the temperature of pemfc stacks effectively, a dynamic thermal management model of pemfc stacks has been developed on the basis of the energy conservation principle.

为了实现质子交换膜燃料电池电堆温度的有效控制，根据电堆能量守恒原理建立了电堆动态热管理模型。

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the conservation principle of orbital symmetry may be represented as conservation law of bond symmetry, by means of group theory and the point of view of the localized bonds.

利用群论的方法及定域键的观点可以把轨道对称守恒原理表述为键对称守恒规律。

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