It contains Euler equations for conservation of mass, momentum and energy, and Poisson equation through which the gravitational potential is determined by the density distribution of the gas itself.

The time-averaged equations for conservation of mass, momentum, and energy are solved. A low Reynolds number k-ε model is used to simulate the turbulent transport.

选用低雷诺数k-ε模型模拟湍流传递；求解时间平均的质量守恒方程，动量守恒方程和能量守恒方程；

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Based on the conservation of mass and conservation of energy and reasonable hypotheses for the dynamic thermal system, the dynamic simulation model of spray desuperheater was established using lumped parameters method.

根据质量守恒定律和能量守恒定律，经过合理的热动力学假设，采用集总参数的方法建立了喷水减温器的动态仿真模型。

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And according to the law of conservation of mass and energy, the ideal gas equation of state and the propeller works to establish a mathematical model of ship propulsion systems.

并根据质量和能量守恒定律及理想气体状态方程以及螺旋桨工作原理建立了船舶推进系统的数学模型。

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Governing equations are available according to laws of conservation of mass, momentum and energy, which are general for unsteady flow and heat transfer in round pipelines.

通过质量守恒定律、动量守恒定律和能量守恒定律，推导出了热油管道不稳定过程变物性耦合流动的控制方程，该控制方程对于圆形管道内的非稳态流动与换热具有通用性。

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Based on the conservation of mass, energy and chemical compositions, a model of seam-cavity growth is established to describe the process of underground coal gasification.

通过质量守恒、能量守恒和化学组分平衡描述了煤炭地下气化过程，建立了煤炭地下气化中燃空区煤层扩展的数学模型，根据试验条件进行数值求解。

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However, the original measurement data often contain various errors, so the basic balanced relations, such as energy balance or conservation of mass, cannot be satisfied.

但由于测量中不可避免的误差，测量值不能精确地符合生产过程中一些内在的物理和化学规律，如化学反应计量关系、物料平衡和热量平衡关系等等。

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The dynamic system model is coupled with geothermal heat exchanger model and heat pump unit model, which is based on the conservation of mass and energy.

采用确定性模型法建立了热泵机组的模型，然后通过能量和质量守衡方程式建立了系统动态耦合模型。

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According to the law of conservation of mass, the mathematics model of Modified-Atmosphere Packaging ( MAP) is educed.

根据质量守恒定律和果蔬采后呼吸生理，推导出薄膜气调包装（MAP）的数学模型。

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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。

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At the system level, it follows the first principles to keep the conservation of mass, energy, and momentum, respectively.

该方法在系统层面，采用传统的基于质量守恒、能量守恒、动量守恒的建模思路，保持模型的通用性。

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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？

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By analyzing the principle of conservation of mass, we can get the continuity equation of coal containing gas.

通过质量守恒定律，分析得到含瓦斯煤岩的连续性方程。

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This paper defines what the law of conservation of mass means and its application in Junior chemistry.

论述了质量守恒定律的内涵，及其在中学化学解题中的应用。

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Law of Conservation of Mass in Junior Chemistry

质量守恒定律在解题中的应用

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We write it subject to conservation of mass.

要服从质量守恒定律。

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Exercise. Conservation of Mass for a Particle Moving with High Velocity

高速运动粒子质量的守恒性

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Application of Fine Equilibrium and Conservation of Mass in Chemical Dynamics

试论细致平衡、质量守恒在化学动力学中的应用&从细致平衡、质量守恒看速率常数和平衡常数及基元反应总反应的关系

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The modeling method is based on conservation of mass and gas law.

气体流量模型是根据质量守恒定律和理想气体方程对其建模。

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If those plans come to fruition it would mean a worldwide audience of millions would watch the anticipated marriage ceremony through 3D glasses.

如果该计划最后付诸实施，那就意味着全世界的民众都有幸“亲眼目睹”皇室婚礼。

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We do not comment on rumours or speculation and would only comment as and when these opportunities come to fruition.

我们不就传言或猜测置评，只会在商机有结果时置评。

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