In 1985,Bibby and Dale first reported the synthesis of silica-sodalite from organic solvent such as ethylene glycol or propanol.In 1987, Van Erp and his coworke
In the research of enantioselective epoxidation of unfunctionalized alkenes using Salen compounds, Katasuki1 and Jacobsen2 pointed out that 3 and 3′ groups of
The quantitative rules of the transfer and variation of errors,when the Gaussian integral functions F.(z) are evaluated sequentially by recurring,have been expo