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1·The mass conservation equation, energy conservation equation, flow equation and heat transfer equation are described in this paper.

列出了描述蒸汽发生器模型的质量、能量守恒方程以及流量方程和传热方程。

2·Conservation of mass, second Newton's law, and momentum law are introduced into traffic flow to set up traffic continuity equation, Euler's equation, and momentum integral equation.

应用物理学中的质量守恒定律、牛顿第二定律、动量定律等，建立了交通流的连续性方程、欧拉方程和动量方程；

3·The vibrational equation of the tube was given with the straight tube Coriolis mass flow meter as the investigated object, and the solving process is discussed.

以直管科里奥利质量流量计为研究对象，给出被测流体脉动时测量管的振动微分方程，讨论了方程的求解过程。

4·Based on the theory of gas percolation, law of mass conservation and hydrodynamics, basic mathematical equation of gas flow model was established.

依据瓦斯渗流理论、质量守恒定律和流体力学，建立了瓦斯流动数学模型的基本方程。

5·The mass-weight averaging N-S equations are adopted as the governing equations of flow, and a two-equation turbulent model is employed.

用法福尔质量加权平均N-S方程及两方程湍流模型求解三维超声速平板湍流边界层流动；

6·Acid flow and reaction in a wormhole was studied by modeling the wormhole as a cylinder and numerically solving the mass balance equation that describes acid transport by convection and diffusion.

将酸蚀蚓孔简化为单圆管模型，酸液流动反应物质平衡方程反应传质和扩散作用。