The floater component analysis,compatibility experimentation of chemical agent,microbial cultivation experimentation and gas chromatographic analysis were carried out.

From analysis of moving patterns of special designed floaters on the sea,its feasibility used for tracing the route of oil spill is studied.

According to the model test on the river reach where Chongqing East&West power plant lied,the sediment aggradation and river evolvement,the change of flow condition,the effect of floater on inlet were analyzed,The layout of inlet was optimized also.

In order to investigate floating macrophyte role on the purification of eutrophicated sight water named Hua-jia-chi and select appropriate native vegetable for phytoremediation,five floating macrophytes(Eichhornia crassipes,Jussiaen repens L.

The influence of the free floating macrophyte Hydrocharis dubia on the growth of the submerged macrophyte Hydrilla verticillata was studied by using different coverage of H.

Research on motion vectorization and law of floating debris in reservoir;

Preliminary study on the problems of the floating debris of Three Gorges Reservoir;

Categories and characteristics of the floating debris upstream of hydro plants are described.

Study on flow′s Reynolds stress in ecological watercourse with floating plants;