1) infinitesimal-stage efficiency
多变级效率
2) multistage effeciency
多级效率
3) polytropic efficiency
多变效率
1.
The polytropic efficiency of inverter scroll compressor is put forward,and the laws of the impact on revolution to polytropic compression head,loss through leaking,friction loss and loss through flowing are acquired.
提出了涡旋压缩机的多变效率,分析并得出了转速对多变效率中有效能量头、泄漏损耗、涡盘摩擦损耗及气体流动损失的影响规律。
2.
The polytropic efficiency is one of the most significant indicators which are used to judge the economical efficiency of the units.
离心式压缩机组广泛应用于石油天然气工业领域,而多变效率是衡量该系统运行经济性的重要指标之一。
5) multilevel change of sampling rate
采样率多级变换
6) stage efficiency
级效率
1.
Based on the studies of the effects of main parameters on mass transfer stage efficiency,the optimal operating factors are given.
在研究主要操作参数对萃取级效率影响的基础上 ,确定了最适宜的操作条件 ,得到了 97%以上萃取级效率。
2.
The relations between different operating factors and both of mass transfer stage efficiency and entrainment were studied in QH 1——phenol system with φ20mm annular centrifugal extractor.
采用 φ２０ ｍ ｍ 环隙式离心萃取器研究了不同操作条件对夹带量和传质级效率的影响。
3.
Through the two different designed experiments of the leak-out flow of the balance holes,its influence to the stage efficiency is presented which gives reference for the design.
关于叶轮平衡孔的存在对级性能的影响,通过两种方案的试验,概论了其漏气对级效率的影响。
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条