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钢管混凝土框架结构抗震性能试验研究 被引量:23
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作者 李斌 薛刚 张园 《地震工程与工程振动》 CSCD 北大核心 2002年第5期53-56,共4页
通过 2榀具有同一外形尺寸及用料的钢管混凝土框架在低周往复荷载下的试验 ,研究了该类型结构的破坏形态、变形特点、荷载一位移滞回模型及结构耗能比 ,分析了钢管混凝土框架结构的受力特点及抗震性能 ,为工程设计提供了试验依据。
关键词 钢管混凝土框架结构 试验研究 破坏形态 结构耗能化
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Reducing energy consumption optimization selection of path transmission routing algorithm in opportunistic networks 被引量:2
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作者 吴嘉 Yi Xi Chen Zhigang 《High Technology Letters》 EI CAS 2015年第3期321-327,共7页
Opportunistic networks are random networks and do not communicate with each other among respective communication areas.This situation leads to great difficulty in message transfer.This paper proposes a reducing energy... Opportunistic networks are random networks and do not communicate with each other among respective communication areas.This situation leads to great difficulty in message transfer.This paper proposes a reducing energy consumption optimal selection of path transmission(OSPT) routing algorithm in opportunistic networks.This algorithm designs a dynamic random network topology,creates a dynamic link,and realizes an optimized selected path.This algorithm solves a problem that nodes are unable to deliver messages for a long time in opportunistic networks.According to the simulation experiment,OSPT improves deliver ratio,and reduces energy consumption,cache time and transmission delay compared with the Epidemic Algorithm and Spray and Wait Algorithm in opportunistic networks. 展开更多
关键词 opportunistic networks routing algorithm deliver ratio energy consumption transmission delay cache time
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Industrial structure optimization in central China under the energy constraint
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作者 孙威 李文会 +1 位作者 唐志鹏 樊杰 《Journal of Geographical Sciences》 SCIE CSCD 2016年第9期1377-1388,共12页
Optimizing industrial structure is an important research object of human-economic geography, and it is also the object of government departments to strengthen macro-control. This has become even greater problem that C... Optimizing industrial structure is an important research object of human-economic geography, and it is also the object of government departments to strengthen macro-control. This has become even greater problem that China has entered the "new normal" in recent years. The study uses a multi-regional input-output model, with linear programming to build an optimal model of industrial structure as well as a model of optimization degree under the energy constraint. The results of the study revealed that:(1) the degree of optimization of industrial structure in Anhui Province is optimal(0.763), while that of Shanxi Province is the lowest(0.662);(2) the degree of optimization of industrial structure is negatively related to energy consumption per unit output value and the proportion of heavy industry; and(3) overall, central China should maintain or moderately increase the proportions of resource-based industry, greatly increase the proportions of manufacturing, including transport and telecommunications equipment, computers and other electronic equipment, and moderately reduce the proportions of smelting and pressing of metals and non-metal mineral products. In terms of service industries, the region should greatly increase the proportions of the production and supply of natural gas and tap water, moderately reduce or maintain the proportions of transport and storage as well as tourism, and maintain or moderately reduce the proportions of wholesale trade, retail trade and catering services. 展开更多
关键词 central China multi-regional input-output model linear programming industrial structure energyconsumption
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