conservation principle

Application of Mass Conservation Principle to Porous Media Percolation

普遍守恒原理在多孔介质中的应用

This dissertation proposed the power component cost flow conservation principle as the fundamental of transmission cost analysis .

论文提出以功率分量费用流守恒原理为输电经济成本分析的经济准则。

Energy Conservation Principle and System Design of

水源热泵节能原理与系统设计

Conservation principle and method of germplasm resources of forest trees

GB/T14072-1993林木种质资源保存原则与方法

Analysis of energy conservation principle based on the technology of high voltage frequency conversion speed regulation

高压变频调速控制节能原理分析微机控制变频调速水泵恒压供水系统

Considerations on the appropriate application of conservation principle

关于稳健原则适度应用的思考

Numerical simulation of Earth 's gravitational field recovery from SST based on the energy conservation principle

基于卫-卫跟踪观测技术利用能量守恒法恢复地球重力场的数值模拟研究

Based on the phase transition theory and the energy conservation principle , the expression of frozen ratio is derived .

基于水–冰相变理论和能量守恒原理，得出冻结率表达式。

The Equipollence of The Suppose of Symmetry and Conservation Principle in Different Consult System

经典物理中不同参考系对称性与守恒定律前提等价性的讨论

A New form of Conservation principle of Orbital Symmertry

轨道对称守恒原理的一种新形式键对称守恒定律&键对称守恒规律

The equation of a spacecraft with solar arrays are obtained by using the conservation principle of momentum .

利用动量矩守恒原理导出带太阳阵航天器的动力方程，指出了系统的非完整约束性质。

Then , the formulation for calculating species concentrations in each zone is given from the mass conservation principle .

再根据各区域质量守恒原理给出了各区域组分浓度的计算公式。

Based on the information conservation principle , the federated kalman filtering algorithm was deduced and its optimization was demonstrated .

基于信息守恒原则，推导出联邦kalman滤波算法并完成最优性证明。

The Relationship between the Fracture Mechanics Parameters K_c and K_ ( IC ) Basing on the Energy Conservation Principle

基于能量原理的断裂力学参数Kc与K（IC）之关系

The principle of the MCS ( merged-capacitor switching ) technique was expounded and analyzed based on charge conservation principle .

根据电荷守恒原理对MCS（merged-capacitorswitching）技术的原理进行了详细地阐述与分析。

According to the momentum conservation principle , we obtained the dynamic equations of the system which is linearly dependent on a group of inertial parameters .

根据系统动量守恒关系，得到了与系统惯性参数呈线性关系的系统动力学方程。

Second , by analyzing the characteristics of water supply system , energy conservation principle , theoretical models and mathematical models , designed the technical solutions of water supply system .

其次通过分析系统的运行特性曲线、节能原理、特点及其理论模型和数学模型，给出了供水系统的控制方案。

Based on the energy conservation principle and the paraxial ray tracing method , the peacock eye zone plates are designed and encoded .

基于能量守恒原理，利用追迹法、计算机编码设计了用作长焦深元件的孔雀眼波带片。

By aid of structural damp theory , the integral damping ratio of the composite structures which include two different materials are derived according to energy conservation principle .

从结构阻尼理论出发，根据能量守恒原理，推导了由钢筋混凝土和钢结构组成的组合高耸结构的整体阻尼比。

Based on energy conservation principle , mechanical models of immediate roof in different stage have been established , the stability criterion of immediate roof has been derived .

基于能量守恒原理，建立了二次沿空留巷不同阶段直接顶的力学模型，推导出沿空留巷直接顶的稳定性判据。

Based on the mass conservation principle , the production formula of semi-spherical flow for pseudo-pressure , pressure-squared and pressure are derived in this paper .

本文基于半球形流的特点，利用质量守恒原理，通过推导得到了由拟压力、压力平方和压力一次方表示的产量公式。

By establishing the mathematical model of air flow , this paper introduces air dynamic theory and energy conservation principle of natural ventilation in the long and narrow sewer tunnel in winter .

阐述了山岭排污隧洞外界自然风引起洞内空气流动的原因，以及隧洞内空气流动能量守恒理论，并建立了空气流动的数学模型。

And then , a method by which a fuzzy variable can be transformed into its equivalent normal random variable is put forward , and the method follows the entropy conservation principle .

提出以模糊变量的名义随机变量的均值作为该模糊变量等价正态随机变量的均值；证明了所得模糊变量的等价正态随机转换方法能够严格遵循熵守恒原则。

According to the conservation principle of mass and heat , through long-term observation of the water in different recharge sources , the sources and proportion of pit water can be determined .

根据质量和热量守恒原理，通过对不同补给水源进行长期观察，可确定矿坑水的补给源及其比例。

The Conservation principle of orbital symmetry may be represented as conservation law of bond symmetry , by means of group theory and the point of view of the localized bonds .

利用群论的方法及定域键的观点可以把轨道对称守恒原理表述为键对称守恒规律。

For the purpose of controlling the temperature of PEMFC stacks effectively , a dynamic thermal management model of PEMFC stacks has been developed on the basis of the energy conservation principle .

为了实现质子交换膜燃料电池电堆温度的有效控制，根据电堆能量守恒原理建立了电堆动态热管理模型。

The mathematical model of ultrasonically enhanced supercritical fluid extraction ( USFE ) of officinal components from plants was constructed based on mass-transfer theory and mass conservation principle .

在传质理论和质量守恒原理的基础上，建立了超声强化超临界流体萃取（USFE）植物药有效成分的数学模型；

The factors to influence maximum width of the molten zone are summarized , and two equation for estimation of the maximum width of the molten zone are given by the mass conservation principle .

总结了液相区最大宽度的影响因素，并给出两种基于物质守恒定律估算液相区最大宽度的方法。

In another hand any river is divided into flow tubes , and we can applied FVM to the flow tubes according to mass conservation principle and established the finite volume model in CCF .

对于河流流场，采用划分流管的方法计算流场，并将有限体积法的思想应用到流管，根据质量守恒原理，在流管内建立浓度场的有限体积。

Based on momentum conservation principle and conversation of energy , the calculating formulas for outlet pressure of throat , delivery pressure of gas lift jet pump and correlative size of diffusion channel are achieved .

根据喉管内流体动量守恒和扩散器内能量平衡原理导出喉道出口压力和加速泵排出压力的计算公式，并计算直接影响加速泵排出口压力的扩散器尺寸。