Chapter2: Basic theory research on the evaluation of land ecological security Based on the analysis of concept and intension, as well as the feature of land ecological security, this paper has an analyses of the relations between land ecological security and the other related appraisement, has studied the level and the object of appraisement on land ecological security, and has elaborated the standard of appraisement on land ecological security, and has made the technical route of this paper finally.
It combines the mechanical technique with biotechnology and information technique, and regards biotechnology as the main contents of the technique route, combining the high technology with the advantage of traditional technique at the same time.
According to the requirement of ecology and quality divide into districts, Linwu county selects the fittest area for fruit growing, fully uses the contrasting superiority of the ecology and natural resources, optimizes overall arragement of productive force, selects the citrus sinensis which has good markets, fixed position and prospects, also, for seizing the markets, Linwu county uses the industry operating thingking, the technology route of in advancing mature, the developing model of "pig-methane-fruit", the operating mechanism of the markets, scale superiority and characteristic.
Thirdly, the founded technology route、design thought、research method and design principal of the system are expounded, the design of environment and database and functions of the system are described in detail.
In Section B, on the basis of analyzing the compensation methodology and the feature of agricultural land expropriation, and comparing domestic experts' different views on the connotation of land expropriation price, the author confirmed the connotation of land expropriation price and ascertained the methodology and technology route of agricultural land evaluation according to the agricultural land evaluation regulations.
Based on the status guo of China's agriculture, the paper discusses the technology line for transforming China's traditional agriculture, ernphasises that it should be a cornpound one oriented to biological technology and organic technology, and supplemented with engineering technology.
The experiment opened up a new technical route of the coupling of methane.
The engineering strategy of the remanufacturing for the chemical equipment was proposed, which could provide a reasonable and reliable technical route for the remanufacturing operation of chemical equipment.