查询词典 mass conservation law

Applying the law of conservation of mass,movement theorem of steady flow , and applying the mathematical method of stream function with the consideration of the axis symmetry,the three components of velocity quantum of the flow are deduced in detail.

本文详细阐述了旋风分离器内流动在球坐标系中的数学表述和结果，应用质量守恒定律和定常流动的运动定律，在轴对称的考虑下，用流函数方法详尽推导了流动的三个速度分量。

In the teaching of central field, we should pay attention to turning the relative motion of two - body into one dimentuonal radial motion by introducing two physical concepts of reduced mass and effective potential energy, and we should also pay attention that the area law is the geometrical description of the conservation of angular momentum in the central field.

在有心力场教学中，应着重强调指出：通过引入折合质量和有效势能这两个物理量，把二体相对运动问题转化为单体沿径向的一维运动问题；以及面积定律是质心在有心力场中角动量守恒的几何描述。

Then the writer gave a practical case of law of conservation of mass. The conclusion is that the learning mode of the new curriculum is useful not only in theory but also in practice, and it is popular with students.

然后，给出了"质量守恒定律"一节的教学方案，通过实施得出结论：新课程学习方式不仅在理论上是可行的，在实践上也是行得通的而且是深受学生欢迎的。

According to continuity principle of flow, law of conservation of mass and Darcy's law, the dual medium mathematical model of unsteady flow in fissurekarst artesian aquifer is established, and the finite volume method is adopted to get the solution, taking Longgang district in Shenzhen as an example to verify this model.

根据水流连续性原理、质量守衡和达西定律，建立了裂隙-岩溶承压含水层非稳定流双重介质数学模型，采用有限体积法对其求解，并以深圳龙岗区为例对模型进行验证。

According to the Newton's second law of motion, the law of conservation of mass,and Bingham plastic flow equation of slurry,as well as under top cement pulsation,the mathematical models of one dimensional pressure pulse propagation downwards in the cement column was established.

文中根据牛顿定律、质量守恒定律及水泥浆的宾汉塑性流变性，在顶部水泥脉冲振动作用下，建立了水泥浆中，一维压力传播的波动方程的数学模型。

By the law of conservation of mass, the principle of effective stress and the Darcys law as well as the equilibrium differential equations, a coupled mathematic model that included the terms of source and sink, and its corresponding direct coupled FEA model, for the analysis of groundwater seepage and stress were developed.

其次根据土体的平衡微分方程、质量守恒定律、有效应力原理以及达西定律建立了考虑源汇项的渗流场与应力场耦合数学模型，并且提出了直接耦合有限元计算方法。

The physics \\"energy conservation\\", the \\"law of conservation of mass chemistry\\" Philosophy of \\"god is impartial to everybody!\\"

物理学中的\\&能量守恒定律\\&、化学中的\\&质量守恒定律\\&；哲理中的\\&上天对每一个人都是公平的！\\&

Models foe predicting how the discharge of conservative substance affects stream quality are invariably based on the law of conservation of mass, also referred to as the mass balance equation.

预言保守的物质的解除怎样影响溪的模型仇敌质量不变基于质量守恒定律，此外称为&质量平衡方程式&。

According to the law of conservation of mass and the law of Nsimultaneous equilibrium, the mathematics model of Ni -NH3-NH4 -C2O42-H2O thermodynamic equilibrium system was first built, and the corresponding logarithms concentration -pH diagrams of the system were also drawn.

本文的主要创新内容有：首次采用膜电解电溶法制备高纯氯化镍溶液，通过阴离子交换膜的选择，在自行设计的膜电解槽中控制适当的电解条件，制备出满足生产特种镍粉要求的氯化镍溶液。

The paper put forth the mechanism model of the drying and the subsequent sealing process on the basis of the law of conservation of mass, the phase equilibrium principle and the Fick's Law.

基于质量守恒定律、相平衡原理和费克定律，提出干燥过程以及随后封闭过程的机理模型。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失