The effects of mono-valent cations, Li<sup>+</sup>, K<sup>+</sup>, Rb<sup>+</sup>, Cs<sup>+</sup> and NH<sub>4</sub><sup>+</sup>, on <sup>23</sup>Na NMR were in
Reactions of C60 with Si(CH<sub>3</sub>)<sub>n</sub>Cl<sub>4-n</sub> (n=2,3)in the ion sourceof the mass spectrometer have been studied.The corresponding adductions
The synthesis and properties of a novel of macrocycle H<sub>6</sub>L derived from succinic dihydrazide and2,6-diformyl-4-methylphenol was described.From the NMR
A few factors affecting plasma oxidation desulfurization of ethyl-thioether were investigated.Under the typical conditions,the conversion and degree ofdesulfuri
A new mixed heteropoly acid,α-H<sub>σ</sub>[GeW<sub>e</sub>Mo<sub>2</sub>VO<sub>40</sub>].22H<sub>2</sub>O,bas been prepared andcharacterized by means of ICP,