To investigate the effects of polycyclic aromatic hydrocarbons (PAHs) and metals on the population reproduction,antioxidative defense system and cell ultrastruc
Wave-number spectrum technique is proposed to retrieve coastal water depths by means of Synthetic Aperture Radar (SAR) image of waves.Based on the general dispe
Over the past four periods (1959-1960,1982-1983,1992-1993,and 1998-1999),the ecosystem of the Bohai Sea changed due to both a significant decrease of river wate