To search for more potent antitumor agent,a series of novel nitric oxide-donating colchicine(Col) derivatives(6a-f,8a and b) were synthesized by coupling nitrat
The effect of Nb doping on the oxygen permeation and stability of SrCo_(0.8)Fe_(0.2)O_(3-δ)(SCFO) was investigated comprehensively.Cubic perovskite phase was f
Mesoporous γ-aluminas with large pore size(up to 19 nm,denoted as MA19) are prepared from dispersed pseudo-boehmite using pluronic P123 as template.It is found