教学过程rnStep 1. Warming-up and Leading inrn1.Let's do(略)rn2.Free talkrnI want to know something about you. What do you often do on the weekend? Do you often
Fe (NO3)3 and tetrabutyl titanate were used as Fe and Ti source to Fe-TiO2 powder by sol-gel method.After the calcination of the gels at various temperature