A new ligand, 10-ethylphenothiazinyl - 3 - yl - methylene thiosemicarbazon (HL) and its complexes ML2 (M=Zn2+, Cd2+), which exhibit intensive two-photon excited
With sol-gel nethod,nanometer La-Ti composite oxide was successfully prepared at a low temperature(750-800℃)using polyethylene glycol as dispersant.By means of
Two new benzyl dihydroflavones phelligrins A and B were isolated from the fruit body of Phellinus igniarius. Their structrues were identified as 5, 7, 4'-tr