恒水

恒水头发电能使单位体积的水发出更多的电能，从而提高水电厂的经济效益。

Generating according to constant water head could improve the hydropower plant 's economy benefit .

其方法的正确性由恒权水环境容量计算得到了验证。

The method is validated in the calculation of the water environmental capacity with constant weight .

介绍恒（水）压变（流）量与变压变量全自动变频调速供水系统及其节电机理等。

The full-automatic variable frequency speed regulation systems including constant pressure variable flow system and variable pressure variable flow system for water supply , and their energy-saving mechanism are stated .

无机盐-恒沸有机水溶液体系相平衡计算

Equilibrium calculation of inorganic salt-azeotropic organics / water system

新设计的恒液位颜色水容器，其改进部分简单、便于操作，提高了实验精度和效果。

That made the pressure and flow velocity of color water not weaken montonously , and raised the experiment precision and effect .

在恒速泵凝结水系统中，依靠节流调节维持除氧器和凝汽器水位存在种种缺陷。

In this paper , disadvantages of using throttle to adjust and maintain water levels of deaerator and condenser in constant speed pump condensate system were presented .