Antioxidant activities of the 95% ethanol extract from Caesalpinia sappan heartwood (ECS), pro-tosappanin A, protosappan......

Using panel data for 29 provinces in China during 1990-2004, the present paper attemptsto explore a possible link betwe......

据1959年和2002年在长江口29°00′～32°00′ N, 122°00′～123°30′ E海域四季调查资料,研究结合拟长脚丰度和同步水温资料进行曲......