Eight new triterpenoid saponins, kudinosides I-P along with three known saponins were isolated from the leaves of Ilex kudincha. The aglycone moiety of kudinosi
Yangtze River Delta is the most developed economy and society as well as one of the most densely populated and industrialized regions in China.It is also one of
Promotion for development of heavy-haul railway transportation will rapidly increase the transport capacity of busy trunk lines,relieve effectively the tense su
High-speed railway is a complicated and huge system.Beijing-Tianjin Intercity Railway is the first high-speed line has started commercial operation in china.Sig
Chrysanthemol (1), a trans-eudesmane type sesquiterpene from Chrysanthemum indicum L.,possesses certain anti-inflammatory activity. Its total synthesis was appr
Bao-Shen (Baotou-Shenmu),Shen-Shuo (Shenmu Shuozhou) and Shuo-Huang (Shenchi-Huanghua) Railways are inseparable parts to undertake coal transportation from west
The passenger-dedicated line (PDL) construction in China is characterized by high standard, great technical difficulties and heavy tasks of construction. By org