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The reasonable value of city size is required in the process of city planning with the rapidly development of urbanization. The paper divides some factors impacting on city size into three strikes of sustaining, restricting and driving, with the help of strike definition in physics. When three strikes are on balance, city development is considered among reasonable scale. Firstly, based on revised...
This article takes the industry cluster theory as a foundation, carries on the analysis to the present situation of industry cluster in Wuhan Metropolitan Area, proposes that the industry cluster must be developed energetically in the “the Resource Conserving and Environment Friendly Society” construction of Wuhan Metropolitan Area, and promotes the industry cluster development through the construction...
Currently, seeking the harmony between the human being nature and society, and constructing the harmonious society in the city have been launched vigorously. This essay first analyzed the meanings, principles, characters and the demands to carry out it, then analyzed the demands and instructions of the circulation economy theory to construct the ecological tourism urban, and at last analyzed the contents...
Depending on exploitation of mineral resources, mining cities develop on the track that mineral industry goes by. By the mining cities supplies a vast amount mineral product for the national economic development, the situation of resources & environment and development about mining cities took a turn for the worse. From the perspective of sustainable development of mining cities, the "5R"principles...
As interests in the impacts of business activities on environment have been growing, environmental policy is now shifting from the “end of pipe” stage to the next stage, “cleaner production”, which factor in the life cycles, and social efficiency. Since the early 90's, the concept of cleaner production has been recognized and promoted. An increasing trend in environmental departments of state and...
SMEs are confronting with huge challenge in the economic environment of global financial crisis. It is urgent to improve enterprise's innovation ability through converting traditional innovation mode to modern innovation of integrated technology mode. In this paper, we point out some problems in the development of SMEs' in the back ground of development situation of SMEs in Henan province. In the...
The paper focuses on the pressure of China's consumption on resources and environment with the economic development. The paper shows that an increase in consumer demand places more pressure on the environment, there are distinct differences of economic and social circumstances from regions to regions; and when looking at the social formation, there is typical dual economic and social structure in...
In the paper, the characteristics of recycle economy in China are analyzed. According to the theory and practice of recycle economy in China and international experiences, the development pattern of recycle economy covers industrial development pattern and regional development pattern. The strategy and legislations mode are established for promoting recycle economy. The recommendations are proposed...
Distributed energy system (DES) has become the main development tendency of future power generation system. DES refers to a power generating system, cogeneration system and poly generation power system without bulk power transmission to remote areas, which can be in accordance with the energy requirements of user and which makes use of a series of system that can satisfy environmental protection and...
To enhance anaerobic fermentation biogas production, excess sludge from Hanxi waste water plant of Wuhan City was first pretreated by peracetic acid (PAA), then anaerobic digested for 20 days in 35degC. An anaerobic digestion process without pretreatment was conducted as reference for comparison purpose. The results showed that organic matter dissolved from sludge after PAA pretreatment, soluble chemical...
The rice husk briquette fuel option is found to be the most environment friendly in the study area compared to wood fuel, natural gas and kerosene. The annual saving of CO2 is found to be 16.42 ?? 103 tonne by using 100% briquette fuel instead of 100% wood fuel (non-sustainable source) in the study area that would be US$197.04 ?? 103 worth annually. The cost of CO2 reduction is found to be -0.77 US$/ton...
With the threat of global bioterrorism, it is necessary to establish a scientific and reasonable system of emergency rescue supplies reserves and distribution, which can be benefit to form an effective emergency logistics network, to shorten the radius of emergency rescue. In the anti-bioterrorism system, a system of emergency service in a supply chain can be formed from the reserve and distribution...
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