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- Keywords oxygen inhalator;oxygen inhalation treatment;pressure balance device;breathing machine; 吸氧器;吸氧治疗;压力平衡装置;呼吸机;
- pressure balance device 压力平衡装置
- To determine dust catalyst density in the smoke of refinery set by pressure balance system. 采用动压平衡采样系统测定炼油厂催化装置再生烟气中的催化剂粉尘,结果表明,该系统比预测流速法自动化程度高,故障率低,操作简便,数据准确可靠。
- Pressure balance is also applied in WOB calculation. Field test showed that both models are reliable and the calculated results are correct. 同时也用压力平衡法计算出钻压，现场试验表明，两模型可靠、计算结果正确。
- Vibration Balance Device, Balance VIbration When Press Machine Working, Let The Press Machine Work In Stable, And Make Noise Down. 反侧动平衡装置,平衡冲床在高速运转时的震动,运转平稳准确,并降低冲床作业时的噪音。
- Earth pressure balance (EPB) shield is used most extensively in shield construction. 土压平衡式盾构机是盾构法施工中应用最为广泛的盾构机。
- Independent attenuator,balanced device for every channel. 每路设有衰减器、均衡器。
- In visible experiment, the time of pressure balance decrease with the initial pressure of PRZ and temperature of CMT. 在可视化实验中随着PRZ初始压力的增加，以及CMT初始温度的增加，压力平衡响应时间减小。
- Tecsis pressure balances meet extremely exacting requirements. 我们tecsis所提供的压力秤,正是能完全满足这一要求的产品。
- The wear reason of trust balance device of Centrifugal pump is analyzed theoretically.A workable Solvent is put forward. 从理论上分析了离心泵推力平衡装置产生磨损的原因，并提出了可行的解决办法。
- Pulsation dampener can be widely used in pipeline, drilling exploration equipment, pressure balance or pulsation dampening of reciprocating pump. 空气包（脉动缓冲器）可广泛用于管路、钻井勘探设备、往复泵的压力平衡或脉动缓冲。
- The high and low pressure balance valves on the pressure system adopt the new electric-hydro complex control on-off vales. 压力平衡系统的高、低压平衡阀均采用新研制的电液复合控制开关阀。
- When the pressure balance valve before and after the start smaller than the smallest pressure spring are not compressed, the largest circulation. 当平衡阀前后压差小于最小启动压差是弹簧未被压缩，流通面积最大。
- The relation of pressure balance must be kept properly in a circulation loop for keeping a fluidized-bed unit in working order. 为保证流化床装置正常运行,循环回路必须有一个适宜的压力平衡关系。
- A pressure balancing bellows section is installed above the top elbow. 压力补偿波纹管安装在顶部弯管上。
- The demonstration is also useful to illustrate the concepts of Drilling Mud, Blowout Prevention, Hydrostatic Pressure, Pressure Balance, Gas Compressibility and Density. 该演示对于阐明钻井液、井喷预防措施、流体静压力、压力平衡、密度等概念也很有用。
- Calculation and field test show that,by using this auxiliary balancing device, both the peak value and the fluctuation of the crank shaft to... 理论计算及现场试验结果表明，该平衡装置具有降低曲柄轴扭矩峰值、减少曲柄轴扭矩波动及降低抽油机耗电等优点。
- Pressure balance system is used to balance lateral water pressure outside reinforced concrete of the air cushion surge chamber and air pressure in the surge chamber . 同时,采用平压系统平衡气室钢筋混凝土外侧水压力和气室气体压力。
- Especially its output axis adopt self balancing four gear load balancing device so as to increase its safety factor greatly. 尤其是输出轴采用自平衡式四齿轮均载装置使输出轴安全系数大大提高。
- With autom. grinding wheel balancing device, coolant unit with bandfilter, flank line modification, grinding wheel flanges, etc. 带自动，磨削砂轮平衡装置，带式过滤冷却，磨削砂轮法兰等。
