The aim of this study is to shed light on the hydrogeochemical characteristics of karst underground waters at shallow depth in Guiyang City, Guizhou Province wi
The Pb concentrations of atmospheric aerosol in the Chukchi Sea of the Arctic varywithin the range of 0. 167 -0.962 ng/m3, with an average of 0.532 ng/m3. These
40Ar-39Ar fast neutron activation age spectrum of quartz in ore collected from the Baiyangping Cu-Co polymetallic ore-concentrated area, Lanping Basin, is saddl