According to the present situation of ecological reconstruction of coal mines(ERCM)in Shanxi,and considering the technical requirements of Guidelines for Mine E
[Objective]The research aimed to study influence of the repeated flooding on growth and development of A. calamus in water-level-fluc-tuation zone of the Three
[Objective]The research aimed to study preparation and application of the environment-friendly compound flocculant.[Method]Chitosan(natural biological product,C
Current situation of China’s agricultural pollution was elaborated,and the causes of the pollution were analyzed.Moreover,China’s agricultural pollution tende