English level-division teaching and effect evaluation in higher vocational colleges;

With the two models of cracked pipeline,failure assessment curves were given respectively for three pipes in an actual pipeline.

The failure assessment curve or diagram (FAC or FAD) for notches has been established by means of elastic-plastic finite element calculation through which the J-integral values of four common specimens are obtained.

The research in our country is late,and even fresh in report, but we have made certain progress in the research of Chinese medicine efficacy evaluation standards for patients with advanced lung cancer.