The Yongding, Chaobai, Daqing rivers and the North and Ji canals belong to the Haihe drainage basin and are important surface water resources for Beijing-Tianjin area. The water quality of these rivers is of great con...The Yongding, Chaobai, Daqing rivers and the North and Ji canals belong to the Haihe drainage basin and are important surface water resources for Beijing-Tianjin area. The water quality of these rivers is of great concern to human beings. This paper discusses the characterestics of the aquatic chemistry of rare and dispersed elements, their regional background value, as well as their content and form. in river water, determined by neutron activation method.展开更多
文摘The Yongding, Chaobai, Daqing rivers and the North and Ji canals belong to the Haihe drainage basin and are important surface water resources for Beijing-Tianjin area. The water quality of these rivers is of great concern to human beings. This paper discusses the characterestics of the aquatic chemistry of rare and dispersed elements, their regional background value, as well as their content and form. in river water, determined by neutron activation method.
