In this paper,considering the situations of the oxidation ponds in Shizuishan City,the decontamination ability of oxidation ponds in different cases(the area is considered mainly) is calculated and predicted by using the Wehner-Wilhelm method.

Relationship between the physiological characters and purification ability of different plants in waters with two trophic levels;

Comparative studies on the purification ability of different kinds of ryegrass(Lolium L.) in a eutrophic water body

Grevillea banksii′s purification ability to SO_2 and fluoride in atmosphere

Study on the float density and purification capacity of Eichhornia crassipes;

To classify the pervious brick,Through compression strength,perviousness capacity,skid-resistance capacity,purification capacity test and analysis,put forward reasonable control standards for pervious brick.

According to the development of bamboo charcoal industry in China and outside,this paper introduces actived bamboo charcoal and its applications in water purification,and points out actived bamboo charcoal\'s funcation of pollutants removing which includes adsorption and degradation by the biological membrane around,which plays an important role in water environmental protection.