压缩机

When undertaking compressor function experiments, because explode cost, poisonously, easily,often wait for a reason, must use other medium to have a test.

在进行压缩机性能试验时，常常由于成本、有毒、易爆等原因，不得不采用其他介质进行试验。

Compressor: gain, attack, release, threshold, ratio, predelay.

压缩机：增益，攻击，释放，阈值，比例， predelay 。

The researches show that the pulsant pressure is an ideal means for the fault diagnosis of the compressor thermal fault.

研究结果表明，阀腔脉动压力是诊断压缩机热力性能故障的较理想工具。

Pyrology; Compressor; Volumetric efficiency; Variable speed; R134a; R22

热工学；压缩机；容积效率；变转速； R134a； R22

Said invention can conveniently supply oil required for lubrication between the supporting surface of the crankshaft and truss surface of machinef rame to minimize wear and prolong the service life of compressor.

本发明能方便向曲轴的支撑面和机架的桁架面之间供应润滑所需的油，使润滑顺畅，降低驱动负荷，磨损降到最小，可延长压缩机的使用寿命。

It has shown that the model is accurate and can be used in the simulation of refrigerating system.

另一种是对压缩机的控制容积建立能量方程、动量方程和质量方程，再

The refrigerating capacity, the shaft power and the coefficient of the performance are measured.

对压缩机的制冷量、轴功、制冷系数等进行了测定。

This paper expounds the mathematical model which simulates the working process of refrigerating compressors and its digital algorithms by means of a computer.

本文论述模拟制冷活塞式压缩机工作过程的数学模型及其在计算机上的数值解方法。

They are used to reinforce resina and metals to provide structural materials with high strength and stiffness and light weight.

所制成的复合材料可以用来制作直升飞机的电机叶片、喷气发动机的压缩机叶片、高尔夫球杆、自行车零件、滑雪板以及机器零件。

The spectrum is achieved from the locale vibration signal applying Local Wave Method, on which the state-feature table of the system is established. Then the feature group with the maximum of fault information is worked out, the fuzzy tree is established sequently.

对往复压缩机振动信号进行局域波时频处理，得到包含故障状态值的局域波时频谱，结合系统工况资料建立系统故障状态一特征表，找出最大故障信息量的特征群，建成故障信息量的模糊二元树。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。