Calculation of cross section area of n-Butanol molecule by immune evolutionary algorithms;

Objective To study the significance and methods of measuring volume of vertebral canal in spinal injury,and the relative relationship of the decline of vertebral canal volume and the decline of cross section area with the Spiral CT.

Improvement of the slicing technology of fiber cross section;

Analysis on the Cross Sections of Runners in Injection Mold;

Based on so called plane assumption,this paper analyzes the hormal stress at a point on cross section,and influencing elements exerted by the comparing rates between maximum normal stress and maximum shear consideration or not in the check of twist deformation is provided.

On the basis of the curve equation of the profilogram deduced exactly, this paper obtains an exact calculating method for the cross sectional area of gear.

The contactless electrostatic resonance method to determine the cross sectional area of conductive and unconductive monofilament was introduced.

It analyzes the calculating process of the cross sectional area of material of belt conveyor with high angle theoretically,after using belt conveyor,it shows that the theoretical calculation of transportation capacity is reasonable.