In this paper, the structure-activity relationships of chemically modified uronic acid polymer fragments from brown algae with regard to their antioxidant effec
New railway passenger stations should be built by persisting in human-oriented concept and embodying the functional,systematic,advanced,cultural and economical
Thirteen compounds were isolated from roots of Stellera chamaejasme L. (Thymelaeaceae).They are β-sitosterol (2), simplexin (3), pimelea factor P2 (4), daucost
Urban rail transit has been a new emerging industry growing up since China’s reform and opening-up. As the city’s public service facility, the construction an