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近年来,有一些大地震发生在大城市附近,造成了人员的大量伤亡,建筑物的严莺破坏和财产的重大损失。例如:1995年1月发生在日本神户的7.2级地震、1999年8月17日发生在土耳其伊兹米特附近的7.4级地震和1999年12日发生在我国台湾的7.6级南投地震等,这些事件大大增加了人们对地震问题的关切。 相似文献
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第5届固体强度与断裂国际会议(The 5th International Conferenceon Fracture and Strength of Solids)于2003年10月20-22日在日本东北大学(Tohoku University)召开,由远东及太平洋断裂协会(Far East and Oceanic Fracture Society,简称FEOFS)主办,由东北大学承办,东京理科大学(Tokyo University of Science)、东京工业大学(Tokyo Institute of Technology)、神户大学(Kobe University)、日本机械工程师协会材料与力学分会 相似文献
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生协综合研究所的相关调查显示,生协会员对生协最为信任也最为期待的是产品的质量和安全。通过分析神户生协在食品安全质量方面所采取的严格自主检查制度、上门咨询订货送货制度、直营工厂和物流系统管理、导入生态理念的产直机制等特色食品经营管理策略,得出生协会员的广泛参与是神户生协实现食品"稳定、安全、放心"的关键所在,也是神户生协扎根阪神地区深得消费者信赖和支持的关键所在的结论。 相似文献
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Collapse ratios of buildings due to the 1995 Kobe earthquake and interference between S-wave and the second surface wave at basin edge 总被引:3,自引:0,他引:3
ZHAOZhixin XUJiren RyujiKubota WakizawaYasuhiko KajikawaSyozo 《科学通报(英文版)》2004,49(2):189-195
The distribution characteristics of collapse ratios of buildings in Kobe city due to the 1995 M7.2 Hyogo-ken Nanbu, Japan (Kobe) earthquake and the interferenres due to SH or P-SV and the second surface waves propagating in heterogeneous medium are discussed in this paper by using numerical simulation technique of wave equation. The staggered grid real value fast Fourier transform differentiation (SGRFFTD) is used in the pseudospectral method of ground motion simulations because of its speed, high stability and accuracy. The results show that the maximum amplitude of simulated acceleration waveforms on the ground coincides well with the complicated distributions of collapse ratios of buildings. The peak collapse ratio of buildings away from the earthquake fault also coincides well with the peak ground acceleration. The spatial interference process is analyzed by using the snap shots of seismic wave propagation. The peak ground acceleration is probably caused by the interferences due to the second surfare wave transmitting from the bedrock to sedimentary basin and the upward body wave. Analyses of the interference process show that seismic velocity structure and geologic structure strongly influence the distribution of the maximum amplitude of acceleration waveforms. Interferences occurring near the basin boundary are probably the cause of the peak collapse ratio of buildings away from the fault. Therefore it is necessary to analyze wave propagations and interference process using numerical simulation strategy for studies on the seismic disasters. 相似文献
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1945年4月16日,当时正是二战即将结束的时候,日本侵略者江河日下,全线败退的局面不可逆转,侵华日军拼命掠夺中国的财富。 相似文献
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<正>食堂可以说是大部分大学生每天必去的地方,然而对很多中国学生来说,去食堂吃饭更多只是为了满足"生存"的需要,与享用美食无关。相比之下,日本的大学食堂环境优越,食物营养可口,很多大学还提供极具特色的美食和服务。日本很多大学食堂都是对外开放的,因此,对日本很多大学来说,优质的食堂是起到吸引生源的重要手段。这种"宣传作用"会影响考生和家长对大学的印象和判断。因此,日本很多大学食堂都 相似文献
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