relation back

By calculating the energy-saving benefits of variable-speed pump , the relation between back pressure and energy-saving benefits are analyzed .

通过水泵变速节能效益的实例计算，分析变速节能效益与系统背压之间的关系。

Two experiments were carried out to investigate the relation between back - ground brightness and contrast threshold in identifying coloured light signals .

本研究的目的是考察辨认颜色灯光信号的亮度对比阈与背景亮度的关系。

The relation between mixer back pressure and minimum fan pressure was developed , which could used to select the fan when design a premixed burner .

提出了混合器出口背压与所需风机的最小压头之间的关系式可以用于预混燃烧器风机的选取；

Finally , on the strength of concrete analysis , conclusions are drawn that may prove helpful in relation to designing back pressure steam turbine ranges for China and establishing their fundamental thermodynamical parameters .

最后，通过对这一典型系列方案的分析，得出数条有关建立我国背压式工业汽轮机系列问题以及有关这种系列的基本热力参数的具体结论。

Objective To explore the cause of chronic gastritis and its relationship with Hp infection , different courses of the change of mucous membrane shape under gastroscopy , and relation between bile back flow gastritis and Hp infection in children .

目的探讨小儿慢性胃炎的病因与幽门螺杆菌（HelicobaeterPylori，HP）感染的关系，不同病程的胃镜下黏膜形态改变，胆汁返流性胃炎（BilebacrflowgastritesBRG）与HP感染的关系。

The experimental results indicate that the location of the driving nozzle and the convergent section angle has an obvious influence on the maximal mass flow rate of the conveyed material , and this effect has relation to the back pressure of the pneumatic conveying system .

试验研究结果表明，气体喷嘴位置和收缩段的收缩角对气固喷射器的最大固体输送量均有较大的影响。

The theory of the special power relation can be traced back to the 19th century in Germany .

特别权力关系理论，产生于19世纪的德国。

To develop Marxism in the interactive process of theory and practice requires us to cope with in an appropriate way the relation of " tracing back to the source point " with " innovation " .

在理论和实践的相互作用中发展马克思主义，就必须处理好“返本”与“开新”的关系。

In terms of the correspondence relation between winding 's back EMF and the position of a rotor , a new method of estimating rotor 's position is proposed in this paper , which obtains back EMF through phase voltage .

鉴于定子绕组的反电势与转子位置的严格对应关系，提出了一种根据端电压得到反电势，从而实现定子绕组换流的方法。