water quality change的意思|示意

The change law, pollution characteristics and causes of formation are discussed on the basis of synthetic evaluation of water quality situation over the years in Yining city section.

在对伊犁河伊宁市段历年水质状况进行综合评价的基础上，探讨了城市河段水质的变化规律、污染特征和成因。

The characteristic of small hospital sewage is complex quality, small water volume and large change in scope.

小型医院废水具有水质复杂，水量小且变化幅度大等特点，在污水处理工程中有一定的典型意义。

This paper mainly analyses environmental geological problems such as descend funnel land subsidence. Water quality deterioration produced by groundwater level change.

本文主要分析了地下水水位变化引起的降落漏斗及地面沉降、水质恶化等环境地质问题。

There is water too dirty or water quality change bad, need to replace clean water.

还有就是冷却水太脏或水质变坏，需要更换干净的冷却水。

Therefore, the thorough research on the change of groundwater water quality and the interface of salt and fresh is urgently needed at present.

因此，地下水水质及咸淡水界面变化是目前急需深入研究的问题。

Two trials were carried out to study the water activity adsorption isotherms and laws in quality change of four moulding feedstuffs.

试验分为水活性等温吸附曲线研究和霉变后品质变化规律研究两个部分。