Adsorption of divalent metal ions,including Cu^2+,Pb^2+,Zn^2+,Cd^2+ and Ni^2+,on quartz surface was measured as a function of metal ion concentration at 30℃und
Microbes were cultured and identified from the saples collected at various depths in 4 weathering profiles of REE-bearing granites in Gonghe,Guangdong,The micro
Two types of enclaves occur in magmatic plutons in Tongling,Anhui.Enclaves of the first type are residuals of metamorphic rocks of high amphibolite facies,and t
The rhyolites in the upper Lueliang Group of Shanxi,China,are Paleoproterozoic weakly alkaline volcanic rocks.They are characterized by high,SiO2,NaO+K2O,Zr,Nd,
In recent years,the X-ray spectrometer has been devekloped not only just in enhancing resolution,but also towards dynamic analysis.Computer modeling processing,
The Xiannushan and Jiuwanxi are the two major fracture belts adjacent to the Three Gorges Dam Site,ALpatites are selected from fracture clay and fracutre-cliff