Petrological and geochemical studies on some volcanic and sub-volcanic rocks from the Lower Benue rift indicate that they are basalts, basaltic and doleritic si
This paper presents a nonlinear multidimensional scaling model, called kernelized fourth quantification theory, which is an integration of kernel techniques and
Construction of forestry socialized service systems is the important content for reform of collective forestry tenure systems. Based on the necessity, possibili