This paper describes the relationship between three conservation quantities and the orbital geometry parameter by using the geometry property of special points on orbit.

The effects of geometric parameters on axial shortening of inertia friction weldment in ring form;

Discussion about relationship between geometric parameters and grinding parameters of hyperboloid twist drill;

Influence of the Geometric Parameters of the Molded Lines of Scroll Compressors on Their Friction Loss Power;

Some information of both electronic and geometrical parameters of these compounds were employed for their structural characterization.

It is necessary to extract molten pool geometrical parameters in real time or to extract back bead width off-line either in seam tracking or in penetration control.

Based on the coal impact breaking mechanism of impact coal cutter and considering the requirement of coal lump rate and dust etc, the determination of geometrical parameters of the impact tools has been analyzed.

17 molecular structures based on 2-OH azobenzene crystal structure data which retrieved from CSD have calculated and analyzed to their geometry parameters using FORTRAN program written by ourselves.

The applicable machining materials of PCBN cutting tools and rational selection methods for geometry parameters, cutting data and insert brands of PCBN cutting tools are introduced.

The geometry parameters for electrical railway contact wire, height,stagger,etc, and the measurement principles are ex-plained.

Auto optimizing geometrical parameters of single lenses;

The rational geometrical parameter are confirmed from the analysis of the cutting parameter and the boring quality and favorable effect are obtained in the practical manufacture .

And the conclusion of the geometrical parameters in this part of screw was enduced.