Our college operates on the principles of knowledge-acquiring, practice-emphasizing, morality-cherishing and truth-seeking, which give an expression to the epistemology of the dialectical materialism and the essential features and relations between truth and good.

Research on mechanical strength of steel-fiber reinforced concrete after exposure to high temperature;

The effects of inclusion of BaZrO3 particulate phase on the microstructure,thermal expansion behavior and mechanical strength of YBa2Cu3O7-δ has been investigated.

Effects of hydroxyapatite morphology on the mechanical strength of the resulted composites were evaluated and the fractured surface morphology was characterized by SEM.

In order to increase the strength and load capability of poly L-lactide(PLLA) for fracture innerfixation,the composite materials of PLLA and β-calcium metaphosphate whisker(CMPw) with the aspect ratio of 30～50 prepared by crystallizing in the glass were obtained.

The effects of different process factors on mechanical properties of films were also studied.

Objective: The purpose of this study is to research the degradation and mechanical properties of absorbable poly-L-lactide miniplates Methods: 18 adult poochs were chosen, which were 10-15kg, female and male at random, and they were divided into 6 groups: one month group, two months group, three months group, six months group , twelve months group and fifteen months group.

The paper studies pervious concrete structure characteristic,pervious indexes and affected factors,establishes the relation of pervious performance with void fraction,permeability coefficient and mechanics strength though the way of experiment,which mainly to supply the frame of reference of pervious concrete ratio design and dire.