By adopting the two parameters of sphericity and thickness-breadth ratio as the parameters of the characteristic sizes,studying the deposit ratio of the single particle size,and using MATLAB in digital processing,the math model is set up between the voidage and the shaping parameter of coarse aggregate.

Curative effect of compound of polyinosinic acidpolycytidylic acid on flat warts;

Shine and flat polyester staple fiber was produced by using profiled spinneret and special spinning and drawing process.

Influence of flattening on the structure and electromagnetic characteristics of FeSiAl alloy

Its vertical structure is flattening and networking.

The flattening mode practiced in the reform of policing operating mechanism in Daqing has provided valuable inspiration for scientific distribution of police recourses i.

Discussing of flat filament polyester FDY in direct spinning;