The effect of magnetic fteld on the tribological process of sleeve-ring pair lubricated by WRL lu-bricants was investigated by means of a NG-x wear tester and a
Rapid solidifiation is a kind of new process for enhancing the hardness and electrical condnetivity of Cu-Cr- Zr copper alloy. The use of BP neural network(NN)
New layered perovskites, KSr2Nb3O10 and two new protonated niobates HSr2Nb3O10*1.2H2O and HSr2Nb3O10,were synthesized by solid state reaction and ion-exchange r
Worldwide construction and demolition waste (CDW) is currently dumped. To close the building cycle and the building materials cycle by recycling CDW in high tec