The wetland tourism in China has been one of the most popular tourisms as its fast growth in China in recent years. The significance of the wetland tourism rese
A laboratory experiment was conducted to assess the bioaccumulation of Pb2+ and its effects on growth,morphology andpigment contents of Spirulina (Arthrospira)
A superconducting cryogenic system has been designed and deployed in the Beijing Electron-Positron Collider Upgrade Project(BEPCⅡ).The system consists of a Sie
By taking into consideration the effects of ocean surface wave-induced Stokes drift velocity U,w and current velocityU,c on the drag coefficient,the spatial dis