Nanocrystals of CeO2 with different doping concentrations of Sm3+were synthesized by a novel and costeffective method. The crystal structure, morphology and par
Objective To study the effects of melatonin on pethidine-induced physical dependence and its antioxidative action.Methods A trauma-pain model was established in
Ir O4+cations have been generated and observed in mass spectra(MS),a recent letter in Nature reported[1].IX is now the highest known formal oxidation state,acco