Topology optimization of tunnel support using reverse evolutionary structural optimization method;

The span of reverse cumulation and the generated spaces;

Objective To study left lung inverse circulation (LLIC) reversing pulmonary hypertension(PH ) in canines.

In this paper,inverse Steffensen s inequality is given and two extensions of it s is proved.

A definition of accumulated generating operation in opposite direction is posed in this paper corresponding to traditional accumulated generating operation, gives a grey model GOM(1,1), provides a new generating method to grey modeling.

Investigation of inverse deformation in laser shock forming with half die;

Taking the front floor as an example, mainly introduced the hoisting wedge driver installed in active pressing material core and making use of reverse wedge driver to form the up flanging structure.