The structure of Na<sub>2</sub>H<sub>2</sub>[H<sub>2</sub>V<sub>2</sub>W<sub>18</sub>O<sub>62</sub>]12H<sub>2</sub>O has been determined by x-rayanalysis.The cr
Infrared spectra of bis(β-diketonato) copper(Ⅱ) complex liquid crystals with different flexible chain lengths(the carbon number =12 and 14) have been studied
d-Acetamidocinnamamide do not react with P(OMe)<sub>3</sub>, with P(NEt<sub>2</sub>)<sub>3</sub> they give rise to 2-methyl-4-hydroxy-5-d-[bis(diethylamino)phosphoryl
In Britton-Robinson buffer,metronidazole is preconcentreted on HHDE at 0.0 V(Vs.Ag-AgCI),An adsorptive stripping peak is observed at-0.62 V.Tho response is linear