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vacuum pressure valves 真空压力阀
For cylinders equipped with residual (positive) pressure valves, one evacuation under vacuum at 150 millibar is sufficient if the pressure is positive. 对于装有剩余压力阀门的气瓶，如果瓶内剩余压力是正压，把它抽真空到150mbar以下就可以了；
Several different types of valves are in use. Some are back pressure valves. 有几种不同的阀在使用中,有些是反向压力阀。
vacuum pressure valve 真空压力阀
Vacuum pressure: This window display vacuum pressure sensor gather actual pressure from entering air pipe. 本窗口中显示真空压力传感器在进气管采集到的实际的压力,它代表发动机的负荷。
Low Pressure Valve Options and Accessories Misc. 低压阀门备选件和附件。
The metallography samples fabricated by the vacuum pressure impregnation resin method are introduced in detail. 详细介绍了真空浸渍树脂法制备金相样品的制备过程。
Objective To monitor the sterilizing effect of pulsing vacuum pressure steam sterilizer. 目的:监测脉动真空压力蒸气灭菌器灭菌效果。
The Factory covers an area of 8 mu.Its main products are series of hydraulic pressure valves, which has a very broad market. 工矿机电配件厂占地8亩,主要生产液压阀、磁性槽楔等,产品畅销。
Simply type the value of vacuum pressure you want in either mbar or Torr and click the button. 简单的输入真空压力值，mbar或Torr，点击确定键。
Besides, if vacuum pressure is generated in cylinder during movement, abnormity will be caused by air eroding effect. 另外，动作中如果油缸内部产生负压，那么，将有可能由于气蚀作用而发生异常。
Electro-vacuum Differential Pressure Valve DYC-JQ electro-vacuum differential Pressure valve is a safely valve for mechanical vacuum pump. 是机械真空泵安全阀，安装于机械真空泵的进气口，并与泵同步开启和关闭。
The optimal vacuum pressure within Crookes radiometer is studied by way of experiments and direct simulation Monte Carlo (DSMC) method. 应用实验和蒙特卡罗(DSMC)方法,研究了Crookes辐射计工作的最佳真空条件。
Objective Discuss sterilization effect of B-class pulsation table top vacuum pressure steam sterilizer for dental handpiece. 目的探讨B级脉动真空压力蒸汽台式灭菌器对牙科手机的灭菌效果。
The principle of vacuum pressurizing casting technique is introduced in detail. 论述了真空增压铸造技术原理。
The oil-free UHV outgassing technology was applied to the new X-ray tube to lower further its vacuum pressure and improve its performance. 其阳极采用“大靶”并装有热管,根本上解决散热问题,同时使用无油超高真空排气技术,提高了管内真空度从而改进其性能。
The high and low pressure valves, their hydraulic control logic circuit, the problems and their countermeasure in bypass control system in Xisaishan Power Plant were analyzed in brief. 简要分析了高、低压旁路阀门、油站控制的逻辑以及旁路控制系统在西塞山发电厂的运行中出现的问题及其解决措施。
It shows that with the increase of vacuum pressure the refractive index decreases, and with the increase of temperature the refractive index increases. 模型的研究表明，薄膜折射率随真空压强的增加而降低；
Some guidelines differing from the domestic norm such as the decision of water discharge of ASF system; the setup of alarm and pressure valves, the layout of pipeline network and the distribution of sprinklers are described. 介绍了在自动喷水灭火系统设计中，有关设计水量的确定，报警阀、压力开关的设置，管网及喷头的布置等方面与国内常规作法的不同之处。
After purging,the best heat exchanger effect and vacuum pressure could be obtained and the load of hydrogen compressor returned to normal value. 在线清洗后,凝汽器换热效果及真空度都达到最好水平,氢气压缩机恢复正常生产负荷。