A greenness evaluation index and system of microwave-assisted leaching method were established.The effects of the life cycle assessment variables,such as the resource consumption,environment impact,cost,time and quali...A greenness evaluation index and system of microwave-assisted leaching method were established.The effects of the life cycle assessment variables,such as the resource consumption,environment impact,cost,time and quality,were investigated,and the concept of green degree was applied in the production of synthetic rutile.An analytic hierarchy process was utilized to assess matrix of greenness evaluation.The Gauss-Seidel iterative matrix method was employed to solve the assessment matrix and obtain the weights and membership functions of all evaluation indexes.A fuzzy decision-making method was applied to build the greenness evaluation model,and then the scores of green degree in microwave-assisted leaching process was obtained.The greenness evaluation model was applied to the life cycle assessment of the microwave-assisted leaching process.The results show that the microwave-assisted leaching process has advantages over the conventional ones,with respect to energy-consumption,processing time and environmental protection.展开更多
In the rapid development of modern cities, the construction of green low-car</span><span style="white-space:normal;font-size:10pt;font-family:"">- </span><span style="whit...In the rapid development of modern cities, the construction of green low-car</span><span style="white-space:normal;font-size:10pt;font-family:"">- </span><span style="white-space:normal;font-size:10pt;font-family:"">bon livable cities and the realization of energy-saving and beautification of buildings </span><span style="white-space:normal;font-size:10pt;font-family:"">are</span><span style="white-space:normal;font-size:10pt;font-family:""> now being strongly promoted and ha</span><span style="white-space:normal;font-size:10pt;font-family:"">ve</span><span style="white-space:normal;font-size:10pt;font-family:"">become an important indicator of urban development. With the implementation of green building and BIM technology, the combination of BIM technology with green building is a new momentum in the development of the construction industry. The application of BIM can make the quantitative management of green buildings in the whole life cycle, get rid of the shackles of traditional models, make the design and construction process more accurate, and also make the whole pro</span><span style="white-space:normal;font-size:10pt;font-family:"">cess of green buildings more standardized. Among them, the core of BIM is the information model, and the core of green building is: low energy consum</span><span style="white-space:normal;font-size:10pt;font-family:"">ption, green and sustainable. This paper firstly explains the concepts and advantages of BIM technology and green building, and separately elaborates the significance of using both in the construction field. Secondly, the current development status of BIM technology and green building is obtained by studying and analyzing the development status and connection between them. Finally, combining BIM technology in the whole life cycle of green building, analyzing the current situation and advantages and disadvantages of using the combination of green building and BIM in actual engineering, clarifying the importance of using BIM in the whole life cycle of green building, and highlighting the combination of BIM technology and the whole life cycle of green building as an important tool for the future development of the construction industry.展开更多
Like any industrial product, the vehicles also do have end of their service lives and ultimately result in end-of-life vehicle (ELV) at a certain stage of the vehicle life. The concern of this paper is to make a gener...Like any industrial product, the vehicles also do have end of their service lives and ultimately result in end-of-life vehicle (ELV) at a certain stage of the vehicle life. The concern of this paper is to make a general review on ELV management process and present a model for ELV management on the basis of green manufacturing so as to reduce the environmental impact and minimize the resources loss due to the ELVs. The various phases of vehicle life cycle starting from design, manufacturing and utilization, occurrence of ELV and then the storage, depollution, dismantling and finally the shredding and post shredder material processing phases of ELV for the resources recovery, all of these phases need to be considered to give totality to the model, which makes end-of-life vehicles management more benign for environment, and more efficient for the usage of resources.展开更多
In the China merchants property 2013 green architectural design competition,feature of this awardwinning program is the design method based on the principles of passive priority and comprehensive utilization of full l...In the China merchants property 2013 green architectural design competition,feature of this awardwinning program is the design method based on the principles of passive priority and comprehensive utilization of full life cycle. The passive priority can be achieved by building form derived from the simulation and analysis of wind environment,improvement of the building envelope insulation and the dehumidification of fresh air,the use of solar energy. The full life cycle utilization can be accomplished by the combination of exhibition and residents' leisure activities, and the integration with local cultural tradition, thereby improving energy efficiency and the utilization of the building.展开更多
基金Project(2007CB613606)supported by the National Basic Research Program of ChinaProjects(50734007,50974067)supported by the National Natural Science Foundation of China
文摘A greenness evaluation index and system of microwave-assisted leaching method were established.The effects of the life cycle assessment variables,such as the resource consumption,environment impact,cost,time and quality,were investigated,and the concept of green degree was applied in the production of synthetic rutile.An analytic hierarchy process was utilized to assess matrix of greenness evaluation.The Gauss-Seidel iterative matrix method was employed to solve the assessment matrix and obtain the weights and membership functions of all evaluation indexes.A fuzzy decision-making method was applied to build the greenness evaluation model,and then the scores of green degree in microwave-assisted leaching process was obtained.The greenness evaluation model was applied to the life cycle assessment of the microwave-assisted leaching process.The results show that the microwave-assisted leaching process has advantages over the conventional ones,with respect to energy-consumption,processing time and environmental protection.
文摘In the rapid development of modern cities, the construction of green low-car</span><span style="white-space:normal;font-size:10pt;font-family:"">- </span><span style="white-space:normal;font-size:10pt;font-family:"">bon livable cities and the realization of energy-saving and beautification of buildings </span><span style="white-space:normal;font-size:10pt;font-family:"">are</span><span style="white-space:normal;font-size:10pt;font-family:""> now being strongly promoted and ha</span><span style="white-space:normal;font-size:10pt;font-family:"">ve</span><span style="white-space:normal;font-size:10pt;font-family:"">become an important indicator of urban development. With the implementation of green building and BIM technology, the combination of BIM technology with green building is a new momentum in the development of the construction industry. The application of BIM can make the quantitative management of green buildings in the whole life cycle, get rid of the shackles of traditional models, make the design and construction process more accurate, and also make the whole pro</span><span style="white-space:normal;font-size:10pt;font-family:"">cess of green buildings more standardized. Among them, the core of BIM is the information model, and the core of green building is: low energy consum</span><span style="white-space:normal;font-size:10pt;font-family:"">ption, green and sustainable. This paper firstly explains the concepts and advantages of BIM technology and green building, and separately elaborates the significance of using both in the construction field. Secondly, the current development status of BIM technology and green building is obtained by studying and analyzing the development status and connection between them. Finally, combining BIM technology in the whole life cycle of green building, analyzing the current situation and advantages and disadvantages of using the combination of green building and BIM in actual engineering, clarifying the importance of using BIM in the whole life cycle of green building, and highlighting the combination of BIM technology and the whole life cycle of green building as an important tool for the future development of the construction industry.
基金Funded by the Natural Science Foundation of Chongqing City, China (No. 47-19)
文摘Like any industrial product, the vehicles also do have end of their service lives and ultimately result in end-of-life vehicle (ELV) at a certain stage of the vehicle life. The concern of this paper is to make a general review on ELV management process and present a model for ELV management on the basis of green manufacturing so as to reduce the environmental impact and minimize the resources loss due to the ELVs. The various phases of vehicle life cycle starting from design, manufacturing and utilization, occurrence of ELV and then the storage, depollution, dismantling and finally the shredding and post shredder material processing phases of ELV for the resources recovery, all of these phases need to be considered to give totality to the model, which makes end-of-life vehicles management more benign for environment, and more efficient for the usage of resources.
文摘In the China merchants property 2013 green architectural design competition,feature of this awardwinning program is the design method based on the principles of passive priority and comprehensive utilization of full life cycle. The passive priority can be achieved by building form derived from the simulation and analysis of wind environment,improvement of the building envelope insulation and the dehumidification of fresh air,the use of solar energy. The full life cycle utilization can be accomplished by the combination of exhibition and residents' leisure activities, and the integration with local cultural tradition, thereby improving energy efficiency and the utilization of the building.