In this artical the propagator and the exact energy spectrum relative to a general short-range potential VS=V0λe-ar/(eλr-1) is calculated by Feynman s path integral method.

According to principle of spatial mesh, this paper derives synthetical equations of cylindrical indexing cam surface.

In the Liutang ore-prospecting target area on the outskirts of the Hunan lead-zinc polymetallic orefield which has been investigated in great detail,the authors used integrated methods,such as high-precision magnetic survey,high-precision gravity survey,high-sensitivity soil and rock survey,and carbon-oxygen isotope determination, to conduct reconnaissance and detailed investigation.

On comprehensive methods for survey of exploration for water outburst and mud outburst collapsible body scale in karst tunnel

In contrast,consciousness should be as an access and a comprehensive method should be adopted to analyze reasonably,thus understanding the category in the integration of metaphysical and priori deductions.

Solution region analysis and synthesis method of 4-position rigid-body guidance;

A new direct synthesis method for dynamic load characteristics based on measured response space was presented to solve the problem of how to establish the synthetic model of dynamic load characteristics in the same classification.