Then,the paper gives the definition of airport circular economy.

Discussion on assess index about circular economy of geological survey;

The guarantee of administration system to mineral resource circular economy;

Research on Polygeneration System for circular economy in oilfield and petrochemical enterprises(Ⅰ):System integration and simulation;

On the Development of Cyclic Economy in Mineral Areas Promoted by Industry Intergrowth;

Developing comprehensive utilization of resources to form an enterprise chain for cyclic economy;

Developing cyclic economy and building green mines,the research and practice of environmental protection in Xincheng Gold Mine;

The Study of evaluating index system of recycling economy in the realm of the mineral resources;

Replying to RoHS and developing recycling economy──discussion of two pop topics on electroplating cleaner production;

A preliminary discussion on recycling economy in paper industry——Also on the experience of some enterprises in implementing;

Status of and improve suggestions for circulation economy development,energy saving and pollutant reducing of Anshan Iron & Steel Complex;

Model research facing sustainable development on circulation economy of coal mining area;

Creativity and circulation economy-the only developing way of phosphorous chemical industry:Ⅰ.the integrated utilization of tail gas from yellow phosphor production and the technology of sintering ground phosphate rock;