Five biotites of Himalayan Period from southern Xizang platean have been irradiated and determined using reactor No. 901 in Qinghua University as fast neutron s
Mass-spectrometric analysis is a precision technique for analyzing trace elements and determining isotopic ratios. Three kinds of errors--statistical, instrumen
Samples of oil-field waters taken frown ten major oil-gas-bearing basins and more than fifty oil fields in China were studied on the basis of various bond param