The effects of ZrO2 on the crystallinity of mica and microstructure of a machina- ble glassceramic were studied. It was found that ZrO2 is an effective nucleati
A new polymeric cobalt complex [Co(u-male)(py)(H2O)]n (male=maleate; py =pyridine) 1 was prepared by cobalt chloride hexahydrate with disodium maleate and pyrid