The aim of the present research is to provide a technique for preparing open-cell AI203-ZrO2 ceramic foams with uniform cell size. This technique used plant see
Many delegates who attended the fifth session of Ninth National People ’s Congress and the fifth session of Ninth Chinese People ’s Political Consultative Con
Aiming at the cracking phenomenon of the thin shell mould in the expendable patt shell casting during the patt removing process, some systemic researches are pr