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浏览/检索结果: 共4条，第1-4条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择发表日期升序发表日期降序作者升序作者降序提交时间升序提交时间降序题名升序题名降序 环境激励下基础隔震结构时变模态频率的温度效应 期刊论文 东南大学学报(自然科学版), 2017, 卷号: 47, 期号: 2017年05期, 页码: 999-1005 作者:  郑文智;  王浩;  杜永峰;  茅建校 收藏  |  浏览/下载：0/0  |  提交时间：2022/03/10 基础隔震结构  结构健康监测  小波变换  时变模态频率  温度效应   Temperature effect of time-varying modal frequency of base-isolated structure under ambient excitation 期刊论文 Dongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Southeast University (Natural Science Edition), 2017, 卷号: 47, 期号: 5, 页码: 999-1005 作者:  Zheng, Wenzhi;  Wang, Hao;  Du, Yongfeng;  Mao, Jianxiao 收藏  |  浏览/下载：10/0  |  提交时间：2020/11/14 Correlation methods  Degrees of freedom (mechanics)  Temperature  Thermal effects  Wavelet transforms  Base isolated structure  Correlation analysis  Influence coefficient  Measured temperatures  Modal frequency  Structural acceleration  Temperature correlation  Two-degree of freedom   Nitrogen deposition has minor effect on soil extracellular enzyme activities in six Chinese forests 期刊论文 SCIENCE OF THE TOTAL ENVIRONMENT, 2017 Jing, Xin; Chen, Xiao; Tang, Mao; Ding, Zongju; Jiang, Lai; Li, Peng; Ma, Suhui; Tian, Di; Xu, Longchao; Zhu, Jianxiao; Ji, Chengjun; Shen, Haihua; Zheng, Chengyang; Fang, Jingyun; Zhu, Biao 收藏  |  浏览/下载：112/0  |  提交时间：2017/12/03 Nitrogen deposition  Soil enzyme  Stoichiometry  Decomposition  Nutrient cycling  Forest ecosystem  MICROBIAL COMMUNITY COMPOSITION  ORGANIC-MATTER DECOMPOSITION  NORTHERN HARDWOOD FORESTS  ECOENZYMATIC STOICHIOMETRY  DEPTH  PHOSPHORUS  BIOMASS  CARBON  BACTERIAL  INPUTS   Nitrogen deposition has minor effect on soil extracellular enzyme activities in six Chinese forests 期刊论文 SCIENCE OF THE TOTAL ENVIRONMENT, 2017, 卷号: 607, 页码: 806-815 作者:  Jing, Xin;  Chen, Xiao;  Tang, Mao;  Ding, Zongju;  Jiang, Lai 收藏  |  浏览/下载：26/0  |  提交时间：2022/03/28 Nitrogen deposition  Soil enzyme  Stoichiometry  Decomposition  Nutrient cycling  Forest ecosystem