Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, economic efficiency is very important significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
If energy were to flow spontaneously from a block of ice to a surrounding volume of water, this could occur in complete accord with energy conservation.
如果能量能自发地从冰块扩散到周围的水中，这种现象的出现就完全符合能量守恒。
According to the law of conservation in the state of turbulent flow, the differential equation describing the airflow temperature distribution in drifting tunnel is derived.
根据紊流状态下的守恒原理，导出了描述掘进巷道风流紊流流动和温度分布的微分方程。
Based on principle of mass conservation, this paper sets up mathematical model of gas water two phase steady flow.
从渗流力学的基本原理出发，基于质量守恒原理，建立了气水两相地层稳定渗流的数学模型。
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。
The space time conservation element and solution element method was applied to simulate the unsteady gas flow in intake and exhaust manifold of ICE.
本文运用时空守恒元与解元方法对进排气系统中的气体流动进行了模拟计算。
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；
Based on the model to calculate mixture loss, a new calculation model of pressure drop for stratified flow in horizontal wellbore has been developed by applying the momentum conservation equation.
在混合损失计算模型的基础上，应用动量守恒原理推导出了新的水平井筒气液两相分层流型压降计算模型。
In this paper not only the equation based on the conservation of energy is derived, but also the flow profile and the states of flow are analyzed.
本文不但基于能量守恒原理推得了变量流的基本微分方程序，而且对其水流剖而形式及流态作了分析。
Based on the mass, momentum and energy conservation of fluids in multiphase wellbore flow, the coupling model to predict pressure and temperature is deduced.
基于井筒多相流流体质量、动量、能量守恒原理，导出了描述其井筒压力、温度预测耦合模型；
Frequency control the use of fans, water pumps, type of machinery to carry out speed control method to regulate the flow of energy conservation, improve cost-effectiveness of great significance.
采用变频调速控制，对风机、水泵类机械进行转速控制来调节流量的方法，对节约能源，提高经济效益具有非常重要意义。
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。
From energy conservation considerations, the design and manufacture of valves, the valves to minimize the resistance to the flow of media.
从节约能源上考虑，设计和制造阀门时，要尽可能降低阀门对流动介质的阻力。
The general equations of motion, mass conservation, continuity and energy are DE - rived for the aerated turbulent water flow.
本文给出了掺气水流的运动、连续、质量平衡、动量及能量诸基本方程序。
The principle of determining thermal conductive factor of original formation through microdifference temperature is conservation of energy(equal density of geothermal heat flow).
利用微差井温确定原始地层的导热系数，基于能量守衡（地热流密度相等）这一原理。
According to the principle of conservation, differential equation which can describe airflow temperature distribution in state of turbulent flow in mine working face is deduced.
从守恒原理出发，导出了描述矿井回采工作面风流紊流流动和温度分布的微分方程。
In short, GNH 8 takes into account not just the flow of money, but also access to healthcare, free time with family, conservation of natural resource and other non-economic factors.
简而言之，GNH不但考虑资金流向，而且还顾及卫生保健、家人共处的休闲时间、保护自然资源以及其他非经济因素。
The main locations and reasons of exergy loss are illustrated by energy-flow framework diagram. The effects of energy conservation is discussed.
采用能流结构图直观地分析了甲苯吸收乙烯分离工艺，揭示了系统火用损失发生的主要部位和原因，说明了系统的节能效果。
In short, GNH 8 takes into account not just the flow of money, but also access to healthcare, free time with family, conservation of natural resources, and other non-economic factors.
简而言之，GNH不但考虑资金流向，而且还顾及卫生保健、家人共处的休闲时间、保护自然资源以及其他非经济因素。
The flow conservation law of belt drive is introduced and the conclusion that the tension difference between the tighten belt and the looser leads to speed difference is proved.
介绍了皮带流量守恒定律，根据此定律论证了皮带松紧边拉力差导致速度差这一结论。
The flow conservation law of belt drive is introduced and the conclusion that the tension difference between the tighten belt and the looser leads to speed difference is proved.
介绍了皮带流量守恒定律，根据此定律论证了皮带松紧边拉力差导致速度差这一结论。
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