Cefixime is a third generation orally administered cephalosporin that is frequently used as a broad spectrum antibiotic against various gram-negative and gr
(-)-Epicatechin-3-gallate(ECG)and(-)-epigallocatechin gallate(EGCG)are the major catechins present in green tea,which account for 9-12%and 48-55%of catechin
Methyl-modified SiO2 hybrid material was prepared by sol-gel method with tetraethylorthosilicate(TEOS)as silicon precursor and methyltriethoxysilane(MTES)as
2-Nitroimino-5-nitrohexahydro-1,3,5-triazine(NNHT)is a typical nitrogen-rich energetic material containing two -NO2 groups,two -NH2 groups and hydrogen bond