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Dasgupta1,b 1 Mechanical Engineering Department Birla Institute of Technology and Science Pilani -333031, India a dileep.vnit@gmail.com b msdasgupta@gmail.com Keywords: gas cooler, CO2 refrigeration systems, material and energy saving Abstract: Carbon dioxide is one of the rediscovered sustainable options, as CFCs and HFCs are now in the list of regulated substances, to be phased out in time bound way.
However the approach is found to be inefficient not only from the point of view of excess material use but also from energy consumption and performance.
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Acknowledgements This work was supported by the projects of the Innovation Team Project of Chinese Academy of Sciences and the National Natural Science Foundation of China(50479063, 90502006).
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Introduction On one hand, the exploitation of mineral resources provides a lot of raw materials for the development of national economy and promotes economic development, on the other hand it has a huge impact on the ecological environment.
Table1 is material input coefficients of material inputs calculation of raw coal and the "*" represents the material input coefficient of steel and cement.
Acknowledgement This work was financially supported by Ten Million Talent Project of Liaoning(2012921075) and Liaoning Nature Science Founds(201102065) and New Century Talent Supporting Project of education ministry(NCET-11-0073).
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Chinese Academy of Sciences recently developed green plate-making technology using nano-materials based on nanotechnology.
New nano packaging materials, meeting the special functional requirements of packaging, having outstanding green performance, can be custom-made of traditional packaging materials modified by nanotechnology [13].
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Experiment Materials and Equipment Joints were conducted with Al5052 alloy and titanium alloy TA1 sheets of 1.5 mm in thickness.
Acknowledgment This work was supported by the National Natural Science Foundation of China (No. 50965009).
Ship Science and Technology[J]，2009,31（12）, p.110.In Chinese [2] Qun Zi.
Mechanism of superiority of fatigue strength for aluminum alloy sheets joined by mechanical clinching and self-pierce riveting [J].Journal of Materials Processing Technology,2012, 212 (9):1900-1905
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All materials are mixed homogeneously in a porcelain crucible, covered with aluminum foil which is then stored in a desiccator (vacuum air) which aims to reduce water vapor in the material before being put into the furnace for the melting process.
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Materials:Poplar veneers were obtained from Wen’an, HeBei provience, with the equilibrium moisture content of 10%, and final dimension of 50mm×50mm×3mm.
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Behavior of Hydrogen During Electroslag Remelting Process Yanwu Dong1,2,a, Zhouhua Jiang1,b Lianke Liang1,c and Zhengbang Li2,d 1 Northeastern University School of Materials & Metallurgy, Liaoning Shenyang 110004, China 2 Central Iron & Steel Research Institute, Beijing 100081, China a dongyw@smm.neu.edu.cn, b jiangzh@smm.neu.edu.cn, c yanwu_dong@163.com,d zs6699@126.com Keywords: Electroslag remelting; low hydrogen material; premelted slag; protective atmosphere.
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THE MATERIAL PURCHASE COST IS $US 30 PER TON, THE MATERIAL FUZZY ORDER COST () IS ABOUT $US 1,000, =(800, 900, 1100, 1200) AND THE MATERIAL INVENTORY COST IS $US 5 PER TON.
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