Closed water systems, vertical with the process, the level of different programs, dual control, single-stage pumps, variable flow system.
水系统选择闭式、竖直同程、水平异程序、双管制、单级泵，变流量系统。
The system not only meets heating variable flow system for operating regulation, but also improves the heating system efficiency of heating system operation greatly.
系统在满足供热变流量系统运行调节的同时，极大的提高了供热系统运行的热效率；
Analyses and confirms the practicability of variable water flow operation for the primary pump system, and illustrates its obvious energy saving effects.
分析了一级泵系统实现变流量运行的可行性，并通过实例说明了其显著的节能效果。
Discussed variable flow control of chilled water system with the example.
用实例说明变流量冷水系统控制的优越性。
The law of the variable mass flow in the horizontal wellbore is useful for the horizontal well output prediction, and optimal design and dynamic analysis on oil well production system.
水平井井筒变质量流的流动规律是进行水平井产能预测、油井生产系统优化设计及动态分析的基础。
The regulation mode of variable flow heat-supply system where the plate heat exchanger is used as heat exchange device in substation is discussed.
探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
Presents the calculation method of cooling loss and temperature rising caused by cooling loss of the variable water flow secondary piping network in district cooling system(DCS).
介绍了区域供冷系统二次管网的冷量损失及冷量损失导致的温升的计算方法，并对某个二次泵变流量运行的区域供冷系统进行了计算。
The energy saving effect of several control modes was contrasted in variable primary flow chilled water system under partial flow.
比较一次泵变流量系统部分流量下不同控制方式的节能效果。
A general scheme of a high pressure, variable flow and variable pressure aircraft intelligent hydraulic pump system is proposed in this paper.
提出了一种高压变流量变压力机载智能泵源系统的总体方案。
As energy problem become more important, and nation require further intensify energy-saving work, we begin to pay attention to the research and application of variable primary flow system.
随着国家对能源问题的重视和对节能工作的要求越来越高，一次泵变流量系统的研究和应用逐渐受到人们的重视。
During the operation with variable cooling water flow rate, the increase of fired natural gas volume shall be avoided by improving energy control system.
在采用冷却水变流量运行时，应通过改进能量控制系统避免天然气燃烧量的增加。
Energy saving effect of modular chillers applied in variable primary flow system is analyzed.
分析了模块化冷水机组应用于变主流系统中的节能效果。
The DPC is a proportional control device and can realize dynamic balance of variable flow heat-supply system.
探讨了采用板式换热器作为热力站换热设备的变流量供热系统的调节方式。
Experimental simulation system is employed to investigate the variable mass flow in perforation completed horizontal wellbore.
设计并建立了水平井筒变质量流动模拟实验装置。
Variable primary flow chilled water system is a system with energy saving.
变流量一次泵水系统是一种节能的空调水系统。
The factors that influence the whole efficiency of ventilating system adopting adjustment to variable air mass flow and friction were investigated.
对采用变流量、变阻力调节式通风系统整体效率的影响因素进行了探讨。
The variable flow heating system is quite different from the constant flow heating system. So the relative control strategy for the heating network should be changed.
用户成为用热的主体，热网由以往的定流量运行变为变流量运行，热网特性与定流量热网特性完全不同，相应的热网控制策略也要发生变化。
The variable primary flow system is compared with the traditional water system of air conditioning, and function and character of modular chillers are introduced.
对变主流系统与传统的空调水系统进行比较，介绍了模块化冷水机组的性能特点。
An interesting example of applying a variable refrigerant flow system for air conditioning and hot water production in a high end hotel in Milan.
这是一个关于米兰的一家高级宾馆的案例，其采用可调冷媒系统进行空气调节和卫生热水的生产。
In this paper, a study on the variable discharge unsteady flow pumping test data is made using a linear system method.
本文用线性系统方法研究了变流量非稳定流抽水试验资料。
Dynamic response of the system of seepage flow in wall rock affected by mining is studied by truncated spectral method, in the system the seepage properties and boundary pressure are variable.
用谱截断法讨论了采动围岩渗流系统在时变渗透特性和时变边界条件下的动力学响应。
Proposed in this paper is a new concept concerning the use of variable air flow rate air feeding system in the ice storage assisted air conditioning system.
文中提出了冰蓄冷空调中应用变风量送冷系统的新设想，分析研究了工程可行性。
The constant and variable primary flow design proposals at the chilled water side of the evaporator has an important influence on the operation cost of the system.
冷冻站中采用蒸发器侧冷水系统变流量或常规的定流量系统的设计配置，对系统的运行能耗有着比较重要的影响。
LC Gradient System VLIncludes gradient pump (max. pressure 400 bar) with integrated degasser, manual injector and variable wavelength detector with standard flow cell.
1220高效液相色谱仪（二元梯度泵），带手动进样器、紫外检测器，标准流通池。
So, the selection of variable pump pressure limit is appropriate, because this type of pump flow with the system pressure varies.
所以选择限压式变量泵为宜，因为这种类型的泵的流量随系统压力的变化而变化。
So, the selection of variable pump pressure limit is appropriate, because this type of pump flow with the system pressure varies.
所以选择限压式变量泵为宜，因为这种类型的泵的流量随系统压力的变化而变化。
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