water self purification的意思|示意

The official also reminded the general public, less than normal due to the current flow of the Xiangjiang River, Xiangjiang reduced self-purification of water, so water will have some impact.

该负责人同时提醒广大市民，由于目前湘江流量偏少，湘江水的自净作用减弱，因而水质会有一定影响。

It was a quantitative target for describing of self-purification capacity of water environment of area.

它是描述一个地区水环境自净能力大小的定量指标。

As a promising technique, photocatalysis is valuable for environmental cleaning and remediation. It has been applied in water treatment, gas purification, sterilization, and self-cleaning material.

光催化技术做为一种污染治理技术，应用于污水治理、气体净化、光催化杀菌和自清洁材料等方面。

To improve the self-purification ability and pollution situation of river water, control the pollution load and ensure the river basic flow are two important ways.

在控制污染负荷排放的同时，也要保证河流基本流量，提高水体自净能力，改善渭河水体的污染现状。

The changing law of re-aeration is of great importance for predicting and evaluating the oxygen content in water and the self-purification process of organic pollutants.

水体复氧规律的研究对于预测和评价水中溶解氧含量，确定有机污染水体的自净过程具有重要意义。

According to the calculating principle of wind scale and earthquake magnitude, the concept of the magnitude of self-purification capacity of water environment of area was put forward.

根据地震等级和风力等级的计算原理，提出了区域水环境自净能力等级的概念。