A serial of protonated and layered transition metal oxides, including layered HTa WO_6, HNbMoO_6 as well as HNb WO_6, were synthesized by solid-state reaction a
Two fluorescence “turn-on” Zn~(2+) probes were developed by introducing an anthracenyl fluorophore through the linkage of a diphenylamino moiety at the 5-posi
Strengthening the regional tourism cooperation is the requirement of both tourism development and tourist competition drive. On the one hand, resources, product