查询词典 pressure

R12 on the ozone layer due to the destruction of the requirements of the developed countries for environmental protection from 1996 to start using refrigerant R134a Automotive Air-conditioning and the construction of air-conditioning at home in a similar, it is often installed in the compressor engine, and with a belt drive, the condenser installed in the car in front of the radiator, and evaporator in the car inside, and work out from the evaporator of low pressure gaseous refrigerant flows through a high-pressure high-temperature gas compressor After cooling condenser cooling tube cooling into the low-temperature high-pressure liquid, through the desiccant dryers and storage of buffer, and then to a more stable flow of pressure and flow expansion valve, the final expenditure and the flow of relief evaporator.

由于R12对大气臭氧层的破坏，出于环保的要求发达国家从1996年开始改用R134a做制冷剂汽车空调的构造和家用的分体空调类似，它的压缩机往往是安装在发动机上，并用皮带驱动，冷凝器安装在汽车散热器的前方，而蒸发器在车里面，工作时从蒸发器出来的低压气态致冷剂流经压缩机变成高压高温气体，经过冷凝器散热管降温冷却变成高压低温的液体，再经过贮液干燥器除湿与缓冲，然后以较稳定的压力和流量流向膨胀阀，经节流和降压最后流向蒸发器。

The issue analyses and calculates the linear pressure loss and local pressure loss in spot example in the process as well as gets a conclusion.When several compressors in serial connection provide compressed air,the more the compressors be connected,the more the pressure loss to be happened,and gives a few of methods to reduce the pressure loss.

以实例详细计算了压缩空气在输送过程中的沿程压力损失和局部压力损失，并得出了结论：当多台空压机串联供气时，串联供气的空压机的台数越多，其串联在后面的空压机输出的局部压力损失就越大，并给出了克服压力损失的几种方法。

Before fire lift room establishment positive pressure supply-air outlet, when after fire prevention alarm system warning, opens the related spot positive pressure supply-air outlet by the fire controller control, the linkage opening positive pressure air feeder, will possess the operation signal returns fire prevention control room; When opens the gusty area by the manual operation organization, can also the linkage opening positive pressure air feeder.

在消防电梯前室设置正压送风口，当消防报警系统报警后，由消防控制器控制打开相关部位正压送风口，联动开启正压送风机，将所有动作信号返回消防控制室；当由手动操作机构打开风口时，也能联动开启正压送风机。

Before fire lift room establishment positive pressure supply-air outlet, when after fire prevention alarm system warning, opens the related spot positive pressure supply-air outlet by the fire controller control, the linkage opening positive pressure air feeder, will possess the operation signal returns fire prevention control room; When opens the gusty area by the manual operation organization, can also the linkage opening positive pressure air feeder.

在消防电梯前室设置正压送风口，当消防报警系统报警后，由消防控制器控制打开相关部位正压送风口，联动开启正压送风机，将所有动作信号返回消防控制室；当由操作机构打开风口时，也能联动开启正压送风机。

In the thermocompression bonding condition data, the pressure is set to be first pressure in a first stage in a process of the thermocompression bonding operation and second pressure, which is lower than the first pressure, in a second stage that follows the first stage.

该热压接条件数据在热压接操作的一个工序内的第一阶段设定为第一压力，在其后的第二阶段设定为比上述第一压力低的第二压力。

This design proposal adds the arresting gear on the water pumpvehicle, on the pump vehicle's disc brake paired mounting in theorbital both sides, the disc brake needs the pressure oil to usethe hydraulic pressure station supplies which installs in the pumpvehicle, uses the hydraulic pressure to open, not when pressure thesmall dish shape spring applies the brake, to use holds the axlebrake way.

论文编号：JX244所有图纸，外文翻译。论文字数：54119。页数：101本设计方案在水泵车上加制动装置，泵车上的盘式制动器成对安装于轨道两侧，盘式制动器所需压力油用在泵车安装的液压站供给，采用液压打开，无压时碟形弹簧制动，采用抱轨制动方式。

The simulated distribution of the volume fraction of vapor phase under different outlet pressure and the variation of the cavitation flow ratio indicate that the intensity of cavitation is varied with the outlet pressure of the jet pump when driving pressure and suction pressure are fixed.

模拟所得到的不同出口压力下的气相体积分数分布以及汽蚀流量比的变化表明：当射流泵工作压力与吸入压力固定时，射流泵出口压力越低，汽蚀流量比越小，同时流量比越接近汽蚀流量比，空化也越严重。

The mathematical model of complex countercurrent multi-effect evaporation with condensed water flash is established, which aims at minimum annual cost (including cost of fresh vapor, vacuum pump power, evaporator, maintenance and depreciation).Based on such decisive variables as the pressure of fresh vapor, the pressure of condenser and heat-transfer mean temperature difference of vari-effect,the model is solved by the complex method,Lagrangian multiplier method, iteration method and matrix method.The practical example indicates that the influence of the pressure of fresh vapor, the pressure of condenser and flash of condensed water on the optimum design results is notable.

建立了带有冷凝水闪蒸的复杂逆流多效蒸发系统优化设计的数学模型，该模型以整个蒸发系统的年总费用(包括加热蒸汽年费用、真空泵年动力费用以及蒸发器和辅助设备的年折旧维修费用等)最小为优化目标，以生蒸汽压力、冷凝器真空度及各效有效传热温度差为决策变量，提出一种新算法———复合形法结合Lagrangian乘子法、迭代法和矩阵法求解模型。

This article analyzes systematically the work process of fuel injection system in detail. It analyzes the fault fundamentals and its influence of three coupling parts in the high pressure oil road and the injection process, three coupling parts include plunger coupling parts, delivery valve coupling parts and needle valve coupling parts. It discusses the pulse situation of fuel pressure under the every kind of typical fault model, and regarding this as according to pick up the pulse signal of pressure from the high pressure pipeline, and process wavelet decomposition, picks up the of parameter fault, make use of the model identification technique, realizes to the intelligent diagnosis of fuel injection system fault.

文中系统地分析了燃油系统的工作过程，对高压油路中三偶件(柱塞偶件、出油阀偶件、针阀偶件)、喷油过程等的故障机理及其影响进行了分析，讨论了各种典型故障状态下的燃油压力波动情况，并以此为根据，从高压油管处提取压力波动信号，提取故障参数，利用模式识别技术，实现了对燃油系统故障的智能化诊断。

Through the regulation of the pressure in the high pressure chamber and low pressure chamber, TPC valve can make the sum of the pressure in the two chambers be a constant.

总压控制阀的作用是通过使泵控系统高、低压腔的压均可调节，从而实现这腔的压之和为一个常。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。