<正> The period of the minerals resource construction items is very long,which af- fected largely by the changeable market.The discontinuance evalution theory a
Presented the methods to obtain the cogging force of permanent magnet linear synchronous motors(PMLSMs), analyzed the characteristics of the cogging force,and p
Investigated the effect of an addition of CaF2 on the crystallization of a glass-ceramic with abrasion resistance. X-ray diffraction, differential thermal analy