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城市出租车运营研究综述
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作者 慕晨 赵祥模 《前沿》 2012年第12期112-113,共2页
综述分析了城市出租车服务的相关研究,介绍了经济学框架下的研究、网络平衡数学模型以及排队论与仿真方法的应用,回顾了取得的进展,分析了难以精确描述服务过程、部分结论与实际情况存在一定差距的原因。指出未来研究的关键是考虑系统... 综述分析了城市出租车服务的相关研究,介绍了经济学框架下的研究、网络平衡数学模型以及排队论与仿真方法的应用,回顾了取得的进展,分析了难以精确描述服务过程、部分结论与实际情况存在一定差距的原因。指出未来研究的关键是考虑系统动态性,特别是动态的空车行为。仿真方法是一个有潜力的方向。 展开更多
关键词 出租车运营系统 综述 集计 空车行为
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Degradation Behavior of Epoxy Resins in Fibre Metal Laminates Under Thermal Conditions
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作者 祝国梁 肖艳萍 +3 位作者 杨永祥 王俊 孙宝德 BOOM Rob 《Journal of Shanghai Jiaotong university(Science)》 EI 2012年第3期257-262,共6页
GLARE (glass fibre/epoxy reinforced aluminum laminate) is a member of the fiber metal laminate (FML) family, and is built up of alternating metal and fiber layers. About 500 m2 GLARE is employed in each Airbus A38... GLARE (glass fibre/epoxy reinforced aluminum laminate) is a member of the fiber metal laminate (FML) family, and is built up of alternating metal and fiber layers. About 500 m2 GLARE is employed in each Airbus A380 because of the superior mechanical properties over the monolithic Muminum alloys, such as weight reduction, improved damage tolerance and higher ultimate tensile strength. Many tons of new GLARE scraps have been accumulated during the Airbus A380 manufacturing. Moreover, with the increasing plane orders of Airbus A380, more and more end-of-life (EOL) GLARE scrap will be generated after retire of planes within forty years. Thermal processing is a potential method for the material recycling and re-use from GLARE with the aim of environmental protection and economic benefits. The current study indicatdes that thermal delamination is a crucial pre-treatment step for the GLARE recycling. The decomposition behavior of the epoxy resins at elevated temperatures was investigated by using the simultaneous thermal analysis, thermogravimetry analysis (TGA) and differential scanning calorimetry (DSC). Based on the thermal analysis results, GLARE thermal delamination experiments at refined temperatures were carried out to optimize the treatment temperature and holding time. 展开更多
关键词 fibre metal laminates GLARE (glass fibre/epoxy reinforced aluminum laminate) RECYCLING decomposition kinetics thermal degradation
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