pressure-equalizing device

The change of pressure in the flow passage of plate thin channel filter device and the main factors effected on the largest theoretical length of plate thin channel filter device at the lower pressure ( < 5 × 10 5Pa) were discussed.

探讨了稳态状态下板式膜过滤器薄层通道中压力变化的规律，并讨论了低压下（＜5×105Pa）影响板式过滤器理论最大过滤组件长度的主要因素。

The built-in safety device compensates for a fall in water pressure.

该内置式安全装置在水压下降时能提供保护。

In self-made reaction device, using middle pressure mercury lamp as illumination device and methyl orange as stimulant pollutant, the photocatalytic performance of prepared photocatalyst was studied.

在自制的光化学反应器中，以中压汞灯作光源，一定浓度的甲基橙为光催化反应模型化合物，研究了光催化剂的活性。

Study on the Control System of High Accuracy Pressure and Temperature Calibration Device

高准确度压力和温度校准装置的控制系统研究

Puts forward the solutions for the welding equipment, greatly reduces the adverse impact to welding sealing performance brought by the mechanical equipment defects by improving hydraulic pressure, adjusting the concentricity of welding jig, improving the structure of center diaphragm tensioning device and oil filled machine.

提出了焊接设备改良方案，通过提升液压站压力、调整焊接夹具同心度、改进中心膜片张紧设备和充油机结构，大大降低了机械设备缺陷对焊接密封性能造成的不利影响。

High accuracy back pressure three-roller type laminating device and recycle oil heat device is used in the laminating roller.

高精度被压三辊式复合装置，使用热循环控温装置。

In the basis of working principle of automatic hydraulic tensioning device, structure composing, control principle and function characteristics of the device were introduced in this paper. It also expounded the design key of the control system is to set pressure value and maxim drawing value.

文章根据液压自动张紧装置的液压原理，详细阐述了自动张紧装置的结构组成、控制原理及功能特点，并阐明了控制系统的设计关键在于压力值和最大拉力值的设定。

Some advanced device detection device with oil pressure.

一些保守的摆设带有油压检测安装.

The work principle of belt tensioning device is explained. Power source incorporating accumulator can damp pressure variation of the system, hence to keep the stable tension of the belt.

说明了皮带自动张紧装置的工作原理，带蓄能器的动力源能缓冲系统压力变化，从而使皮带的张紧力保持稳定。

A new kind of face driver center with quasi pressure-equalizing device is introduced.

介绍了一种新型的近似均压端面驱动顶尖.

The experimental device on the performance of vortex tube is designed, and its cooling performance affected by inlet pressure p0 and cooling air ratio μ is investigated.

针对进气压力p0、冷气流率μ对其冷却性能的影响进行了试验研究。