• 机械能守恒的,因为重力守恒

    Mechanical energy is conserved, because gravity is a conservative force.

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  • 守恒这个来自物理学;,如果说能量守恒

    Well, the word conservative comes from the idea in physics; if the conservation of energy.

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  • 动量守恒叫作动量守恒

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

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  • 角动量,在Q守恒只有在点Q守恒

    Angular momentum is conserved about this point Q, but only about that point Q.

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  • 研究激光工作人员出了一个难题:如果能量输出两种形式他们怎样运用电荷守恒能量守恒定律呢?

    This posed a conundrum for researchers working with the laser: How were they to apply the laws of conservation of charge and conservation of energy with two forms of energy output?

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  • 显然质量守恒而不是摩尔守恒

    So, clearly, mass is conserved, not mole Numbers.

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  • 物理我们并非坚信能量守恒并不是一定的,动能不一定守恒

    Now, in physics we do believe very strongly in the conservation of energy, not necessarily in the conservation of kinetic energy.

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  • 动量并不严格守恒动能不会完全守恒只是一种近似

    So momentum is never exactly conserved, and kinetic energy is never exactly conserved either, so it's only an approximation.

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  • 动量守恒的,因为外力因此动能也是守恒的。

    Momentum is conserved, because there was no net external force, so now kinetic energy is also conserved.

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  • 通过推导证明了只有使边界数值通量守恒才能使并行总体数值格式守恒的。

    Through derivation the present thesis proves numerical value flux conservation of sub-domains interface boundary can make parallel numerical schemes conservative.

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  • 根据基本质量守恒定律能量守恒定律以及一些经验公式建立了系统动态数学模型

    Based on the mass conservation law, the energy conservation law and some empirical equations, the dynamic model is built.

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  • 流体模型基础,通过质量守恒方程动量守恒方程耦合提出液液两相弥散传质的连续模型。

    A continuity wave model is put forward for the dispersion process of liquid-liquid two-phase system, by coupling mass and momentum conservation equations of two-fluid model.

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  • 证明了只有子荷才是严格守恒轻子分别守恒只能近似成立。

    It is proved that only lepton charge is strictly conserved and the individual conservation of the lepton number of every generation of leptons hold only approximately.

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  • 电荷不仅衰变“衰变“守恒而且衰变过程每一个中间阶段也都是守恒的。

    The charge is conserved not only from "before" to " after " but also at every intermediate stage of the process.

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  • 本文考虑单个守恒方程,对其设计基于耗散非线性守恒差分格式

    In this paper, we are concerned with scalar conservation law in one space dimension, we design a nonlinear conservative difference scheme based on entropy-dissipation.

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  • 本文考虑单个守恒方程,对其设计非线性守恒差分格式

    In this paper, we are concerned with scalar conservation law in one space dimension. We design a nonlinear conservative difference scheme.

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  • 介绍动量守恒定律建立的历史过程动量守恒定律进行了讨论对动量守恒定律存在的内在实质作了探讨。

    This paper introduces the history of conservation law of momentum, and discusses the conservation law of momentum and the substance of conservation law of momentum.

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  • 文章系统地阐明机械能守恒定律无条件服从力学相对性原理,若总机械能在一个惯性系守恒就在所有惯性系守恒

    In this paper it is explained that the law of conservation of mechanical energy must Obey the relativity principle of mechanics.

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  • 这种新的格式构造方法应用带有刚性源项的守恒方程,得到了相应的时空守恒格式

    This new constructing approach is applied to conservation laws with source terms or stiff source terms, and the corresponding space time schemes are obtained.

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  • 基于能量守恒、动量守恒质量守恒方程,建立描述绝热毛细管特性的数学模型

    The adiabatic capillary tube model was established based on energy conservation, mass conservation and momentum conservation equations.

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  • 通过求解质量守恒动量守恒能量守恒方程,获得厚度速度温度等参数。

    Conservation of mass, momentum, and energy are used to solve for the liquid film thickness, velocity, and temperature.

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  • 电荷守恒对应时间对称性电流守恒则对应于空间对称性。

    The conservation of charge corresponds to time symmetry, while conservation of current corresponds to space symmetry.

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  • 本文电荷守恒定律磁链守恒定律从数学方面作了较深入论证给出了物理意义

    The conservation principles of charge and of flux linkages are proved mathematically, and their physical meanings are given in the paper.

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  • 必须记住动量守恒甚至对于非弹性碰撞也是成立的,尽管这时动能守恒

    It is important to realize that momentum conservation applies even to inelastic collisions, in which the kinetic energy is not conserved.

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  • 综合评述守恒差分格式保真模型研究进展,评价守恒型差分格式及保真模型地球流体动力学数值模拟中的作用。

    The research of conservation difference schemes and high fidelity model design is recounted and the related remark about the GFD numerical model approaching is presented in this paper.

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  • 利用物质守恒原理,以鸡舍半封闭系统分析了鸡舍内NH3通风状态动态守恒情况。

    Taking the henhouse as semi-obturation system, dynamic conservation of NH3 in henhouse under ventilation condition was analyzed based on the law of conservation of mass.

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  • 对称性原理出发,证明了能量守恒定律时间平移对称性能量守恒简单几何表述

    From the principle of symmetry, law of conservation of energy is proved. And have a simple geometric express for time translation symmetry and conservation of energy.

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  • 本文爱因斯坦速度变换式、相对论中的牛顿第二定律普遍能量守恒定律导出质点组的动量守恒定律。

    In this paper, the conservation law of momentum is derived from Einstein's transformation law of velocities, Newton's second law in relativity and general conservation law of energy.

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  • 文中引入扩展空间概念由此得到电荷守恒电流守恒一般形式。

    This paper introduces the concept of extended total space, and then we extend conservation of charge and conservation of current to general case.

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  • 文中引入扩展空间概念由此得到电荷守恒电流守恒一般形式。

    This paper introduces the concept of extended total space, and then we extend conservation of charge and conservation of current to general case.

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