In this study, we determined pH, phosphorus content and the number of P-dis- solving/decomposing bacteria in relation to......

In this study, DNAs were extracted from sediment samples at depths of 5, 35, and 69 cm from eutrophic Guanting reservoir......

The Guanting Reservoir lost its function as the second biggest drinking water source for Beijing due to the pollutions f......

由于特殊的地理环境、文化结构、民族构成及经济发展水平等因素，造成了近些年来官亭地区男性择偶难的现象，本文在田野调查的基础上对......

The main tasks of the Guanting Reservoir on the Yongding River were flood control and water supply to Beijing. However, ......