mass conservation

基本解释

Based on the mass conservation law, the energy conservation law and some empirical equations, the dynamic model is built.
根据基本的质量守恒定律、能量守恒定律以及一些经验公式等建立了系统的动态数学模型。
The basic properties of plastic deformation such as mass conservation, smaller Poisson′s ratio, hydrostatic pressure having effect on the yield etc.
介绍了粉末冶金材料塑性加工中质量守恒、塑性泊松比小、静水压力可致塑性变形等基本性质。
The method based on the mass conservation principle is a practical one to calculate the aerodynamic roughness lengthandzero plane displacement over tall vegetations.
基于质量守恒原理来计算高植被下垫面的动力学粗糙度、零平面位移是目前较为精确和实用的方法。

So, what's the conservation of mass if we divide by the atomic masses here?
那么质量守恒是什么呢？,如果我们在这儿按原子质量划分？
麻省理工公开课 - 固态化学导论课程节选
We invoke Dalton's Law of molar proportions, we write it subject to conservation of mass.
我们援引了摩尔分数的道尔顿定律，要服从质量守恒定律。
麻省理工公开课 - 固态化学导论课程节选
We write it subject to conservation of mass.
要服从质量守恒定律。
麻省理工公开课 - 固态化学导论课程节选

Personally, I will bemoan the beach and park closings, the shorter library hours, the cuts in water, air, and soil conservation, and mass transit funding.
FORBES: The Crotty Plan: Cut 25% Off the Federal Budget Now

物料平衡
The byproducts resulting from the reactions are also analyzed in the paper to make sure the matters are in accordance with the mass conservation law.
论文分析了反应产物,验证了此方法的物料平衡以及原理分析的正确性。
化学
质量守恒
Based on the relationships among the mass conservation, momentum conservation, and conservation of energy, the steady and transient calculated model of the wet natural gas pipeline are established.
基于质量守恒、动量守恒和能量守恒等关系,建立了湿天然气管道稳态计算模型和瞬态计算模型。
土木建筑工程
质量守恒
In addition, the equations are compared to the continuum equation derived by other researchers based on mass conservation law, and they are found to be coincident. Then, the right form of fluid continuum equation is proved.5.
针对现有文献对流固耦合方程中的流体连续性方程的形式存在的争议,采用两种思路推导了连续性方程,得到的连续性方程是等价的,同时将该方程与其他学者通过土体单元的质量守恒得到的连续性方程进行了对比,证明是一致的,从而得到了正确的连续性方程的形式。