压缩机

The blade shape line optimum design of centrifugal impeller based on genetic algorithms is studied in this thesis.

本论文主要研究了遗传算法在离心压缩机叶轮叶片型线的优化设计。

Air compressor is indispensably used to supply high pressure oxygen for full cell.

空气压缩机是车用燃料电池系统中的重要部件之一，它主要为燃料电池反应堆提供高压氧气。

Some of these compressors are cheap and not really up to the task of quickly inflating your tires.

这些压缩机一些便宜，没有真正达到迅速膨胀的轮胎的任务。

But with its variety and specialization , three-axial non-instaneous envelope method had not meet needs. So four-axial non -instaneous envelope method was set forth firstly in this article, which is based on three-axial non-instaneous envelope and spiral rod compressor rotator speciality.

然而随着螺杆应用范围的扩展，螺杆型线不断复杂化、多样化，三自由度无瞬心包络铣削法已不能满足部分型线的加工要求，为此本文在三自由度无瞬心包络铣削法的基础上，针对螺杆压缩机阴阳转子的特性，在国内首次提出四自由度无瞬心包络铣削螺旋曲面的新方法，赶超国际螺旋曲面加工技术水平，具有重要的理论和现实意义。

Scientific structure, good interchangeability, fit for different kind of compressors

结构合理，互换性好，可以配用不同种类的压缩机

System disposition:The movement part selects the import refrigeration compressor,the disc heat interchanger,discharges the valve,the filter and so on first uses the import,has promoted the refrigeration system reliability,the stability.

系统配置：运动部件选用进口制冷压缩机，板式换热器、卸荷阀、过滤器等选用进口件，提升了制冷系统的可靠性、稳定性。

Causes for the corrosion leakage of interstage coolers of a chlorine gas compressor were analyzed.

分析了氯气压缩机段间冷却器腐蚀泄漏原因，介绍了超声波防垢原理及其实施效果。

The effect on CO2 removal by changing the operation parameters was analyzed, and the optimal operation condition was found. In addition, the performance was improved by recycling the interstage thermal energy of the compressors.

通过模拟分析操作参数变化对CO2减排流程的影响，获得了最优操作点，同时对流程进行了改进，对压缩机级间热能回收进行了探讨。

The results show that by combining the optimal operation condition with recycling interstage energy the thermal energy requirement of the process is 2.947 GJ/t, the cost of CO2 removal is 344.0 RMB/t, and the efficiency of power plant decreases from 45% to 32.75%.

回收压缩机级间热能及改进操作条件后，最优操作工况下CO2的解吸能耗为2.947GJ/t，减排成本为344.0元／t，电厂效率由减排前的45%仅降为32.75%。

Compressor'.'' of a jet engine.

压缩机'。''的转动体的叶片。

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。