A practical protocol to obtain 1,1-binaphthyl-2,2-diamine was developed from 2-naphthol and 2-naphthylhydrazine under mild conditions: solvent-free, 125-130 ℃,
A La~(3+)-Cu/Pt modified electrode was fabricated by electrodepositing process in CuSO_4 solution by adding a small amount of lanthium compound, and it was empl
Among the RHESSI flare samples,we concentrated on a kind of flare that presents two successive peaks(that is,it presents both an impulsive phase and a gradual p