查询词典 water pressure

It is assumed that it is adiabatic compression during start-up process before the atmophere pressure in flow passage rise to relief pressure, the thermodynamic equation, momentum equation and rigid water hammer theroy have been applied for the analysis and calculation the variation law of air during this transient process.

假设流道内气体未达虹吸驼峰顶处真空破坏阀排气压力前的起动过渡过程处于绝热压缩状态，运用能量方程结合动量方程和刚性水击理论，计算分析出了流道中的气体压力在起动过渡过程中的变化规律。

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

This paper analyzed the application case of the components such as anti-backflow equipment or air-pressure tank that using in the pipe network add-pressure water supply equipment.

本文对管网叠压供水设备中的倒流防止器和气压罐等器件的应用情况进行分析。

Optimal pressure and flow in high pressure water generating system were selected, and aperture / slenderness ratio of nozzle was calculated.

合理选择高压水发生系统的压力和流量，计算出喷嘴的孔径与长径比。

Portable high-pressure direct atomize water mist fire suppression system;2. The Study and Application of Food Processing Using High-pressure Method

在计算导线最大风偏和安全距离情况下，35kV及以上高压架空电力线路两边导线向外侧延伸一定距离所形成的两条平行线之间的专用通道。

Air may be provided adjacent each protrusion to provide natural ventilation if the pressure of the water flow drops below atmospheric pressure.

空气可提供邻近每个椎间盘突出提供自然通风，如果压力的水流量低于大气压力。

Equip with the high and low pressure water pump pressure supply device in system, the test medium circulating storage use.

系统内配置高，低压水泵供压装置，试验介质循环贮存使用。

Equip with the high and low pressure water pump pressure supply device in system, the test medium circulating stage use.

系统内配置高，低压注水泵供压装置，试验介质循环贮存使用。

Series ET Non-Potable Water Expansion Tanks are designed to absorb the increased volume of water created when the hot water boiler is heated and to keep system pressure below the relief setting of the relief valve.

系列ET非饮用水膨胀罐专用于吸收由于热水锅炉加热而增加容积的水量，保持系统压力不会超过安全阀设置的排放压力。

Water potential may be defined as the chemical potential of water in a biological system compared to the chemical potential of pure water at the same temperature and pressure.

可以将水势定义为生物体系中的水的化学势，区别于纯水在相同温度和压力下具有的化学势。

I'm gonna go pack my regular, long bathing suit.

我要去打包我那不起眼的超长泳裤

Random number generators are used in many areas, with the improvement of the computational ability of the computer.

随着计算机计算能力的不断提高，随机数发生器在许多领域有了更加广泛的应用。