The results show that the water quality of the reservoir has reached the standard for drinking water, and that the reservoir can be taken as a backing water source.

The standby water sources schemes in Tianjin include middle and east routes of south to north water transferring from Yangtze River,importing water from Yellow River,redeploying water from upstream reservoirs of Haihe River,effluent reuse,seawater for direct use,seawater desalination,saline ground water development,etc.

Uninterruptible power supply,the important backup power and grid system quality improvement equipment,has being widely used in industry and social life,and the technology of UPS becomes a hot topic in the area of power electronics.

At present,there are three choices of the backup power including UPS,EPS and diesel generator.

As one of incentive methods for staff, the system of eliminating the finality through selection has both advantages and disadvantages; fair, impartial and open game rule and reserve resources being supplementary at any time are needed in order to cany it out successfully.

Through the analysis of the present situation of territory resources of zhangjiakou city,the author proposes the assumption and methods of development and administration on terms of desertized land,slop land reserve resources.