Study on the cultivation of regional brand in the economic zone on the west coast of the Taiwan Straits;

Anti-accident Preliminary Plan of Haixi Area s Power Net in Qinghai Province;

Air-sea flux exchange and variation over the Xisha sea area before and after the onset of southwest monsoon in 2002;

Observational radiation flux data(including solar radiation,reflected radiation from sea surface,atmospheric radiation and long-waved radiation from the sea) at sea surface of XiSha sea area of the South China Sea from May to June 2000 and some regular data such as the quantity of clouds,surface sea temperature,atmospheric temperature,water vapor and so on are studied and analyzed in this article.

According to the investigation and analysis the agricultural non-point source pollutants in Xihaigu region in Ningxia are chemical fertilizer,pesticides,field film,soil erosion,excreta of the domestic animal and poultries,contaminative flooding water used in farmlands,rural domestic sewage and solid waste and so on.

Based on the game theory, different behavior of each economic body is analysized in the process of eco-protection and reconstruction in Xihaigu region of Ningxia Hui Autonomous Region.

Traditional agricultural model seriously restricts agricultural sustainable development in Xihaigu region.

Based on the game theory, different behavior of every economic part is analysed in the process of eco-protection and reconstruction in Xiji-Haiyuan-Guyuan region of Ningxia.