supported by the National Natural Science Foundation of China(Grant Nos.41030422, 40972131,40772135 and 41202120);the National Basic Research Program of China(Grant Nos.2009CB219601 and 2006CB202201);the China Postdoctoral Science Foundation Funded Project(2012M510590)
The structural evolution of tectonically deformed coals (TDC) with different deformational mechanisms and different deformational intensities are investigated in depth through X-ray diffraction (XRD) analysis on 3...
supported by National Natural Science Foundation of China (Grant Nos.40772135,40972131 and 41030422);National Basic Research Program of China (Grant Nos.2009CB219601 and 2006CB202201);Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No.XDA05030100)
Coals with different deformation mechanisms(brittle deformation,brittle-ductile deformation,and ductile deformation) repre-sent different ways in macromolecular structure evolution based on the metamorphism.The evolut...
supported by the National Basic Research Program of China (Grant No. 2006CB202201);the Beijing Municipal Natural Science Foundation(Grant No. 8063032)
Analysis of trace elements in the Lower Palaeozoic carbonate rock strata of the Beijing area shows that the Cr, Zn, Cd and Pb contents increase from primary carbonate rocks to weathered carbonate rocks and from primar...