火山岩岩石化学
Petrochemistry of volcanic rocks
砂岩岩石特征
petrological features of sandstone
X射线扩散散射
diffuse scattering of X-rays
γ射线(在吸收材料中)的衰减与边缘散射系数,火成岩石材
Gamma-ray attenuation and side scattering coeffcients
非均匀矿岩散体
Heterogeneous loose body
heterogeneous ore rock mass drawn
后向扩散散射
diffuse backscattering scattering