A novel flavonoid was isolated from the root of Macrothelypteris torresiana (Gaud.) Ching. The structure of the product was identified as 5, 7-dihydroxy-2-(1, 2
Molecular structures,reorganization energies and charge transport matrix elements of coronene and its fluoro-,hydroxyl-and sulfhydryl-substituted derivatives ha
The novel chromium(Ⅲ) complex with salicylaldehydc semicarbazone was synthe-sized and characterized by IR spectra and single-crystal X-ray diffraction analysis
A new two-dimensional Cd(Ⅱ) coordination polymer,[Cd(2,5-pdch)(H2O)]n·2n(ClO4).nH2O (2,5-pdch=pyridine-2,5-dicarbohydrazide),was prepared and characterized by
A new method concerning with the simultaneous reinforcing and toughening of polypropylene (PP) was reported. Dynamical cure of the epoxy resin was successfully
Mesoporous tetragonal sulfated zirconia with high surface area and narrow pore-size distribution was prepared using Zr(O-nPr)4 as zirconium precursor, sulfuric
The title complex,(1S)-1,1-bis{[N-ethyl-N-(1-methylethyl)-amino]carbonyl}-2-(hydroxyldiphenylmethyl)-ferrocene ([Fe(C24H22NO2)(C11H16NO)]2·H2O,Mr=1207.13),was
Background The mechanisms responsible for the occurrence of a kissing unsatisfied (KUS) result after classical crush stenting remain unclear. The present study
Micron-sized hollow silica spheres whose shells are made up of mesocellular silica foams (MCFs) have been synthesized by one-pot sol-gel method in benzene/water
We apply the B3LYP,PBE1PBE and B3PW91 methods of density functional theory and time-dependent density functional theory within the local density approximation t