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浏览/检索结果: 共5条，第1-5条 帮助 限定条件 发表日期：2019     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Plant and soil's delta N-15 are regulated by climate, soil nutrients, and species diversity in alpine grasslands on the northern Tibetan Plateau 期刊论文 AGRICULTURE ECOSYSTEMS & ENVIRONMENT, 2019, 卷号: 281, 页码: 111-123 作者:  Wu, Jianshuang;  Song, Minghua;  Ma, Weiling;  Zhang, Xianzhou;  Shen, Zhenxi 收藏  |  浏览/下载：9/0  |  提交时间：2020/05/19 Alpine vegetation  Climatic gradients  Ecosystem N cycling  Nitrogen isotopic composition  Plant functional traits  Tibetan Plateau   Time-Varying Nonlinear Parametric Identification of Isolated Structure Based on Wavelet Multiresolution Anslysis 期刊论文 Zhendong Ceshi Yu Zhenduan/Journal of Vibration, Measurement and Diagnosis, 2019, 卷号: 39, 期号: 3, 页码: 619-624 作者:  Zhao, Lijie;  Lin, Dongqin;  Du, Yongfeng;  Li, Wanrun 收藏  |  浏览/下载：11/0  |  提交时间：2020/11/14 Control nonlinearities  Equations of motion  Hysteresis  Identification (control systems)  Nonlinear equations  Numerical methods  Regression analysis  Seismology  Hysteresis non linearities  Multi-variable linear regression  Nonlinear parametric identifications  Seismic isolation structures  Seismic isolation systems  Time varying  Wavelet multi resolution analysis (WMRA)  Wavelet multiresolution   Observed soil temperature trends associated with climate change in the Tibetan Plateau, 1960-2014 期刊论文 THEORETICAL AND APPLIED CLIMATOLOGY, 2019, 卷号: 135, 期号: 1-2, 页码: 169-181 作者:  Fang, Xuewei;  Luo, Siqiong;  Lyu, Shihua 收藏  |  浏览/下载：31/0  |  提交时间：2019/10/08 Large-scale molecular phylogeny, morphology, divergence-time estimation, and the fossil record of advanced caenophidian snakes (Squamata: Serpentes) 期刊论文 PLOS ONE, 2019, 卷号: 14, 期号: 5 作者:  Zaher, H;  Murphy, RW;  Arredondo, JC;  Graboski, R;  Machado, PR 收藏  |  浏览/下载：38/0  |  提交时间：2019/11/04 Design and Test of Flexible Supporting Structure for Ultra-light Mirror 期刊论文 Guangzi Xuebao/Acta Photonica Sinica, 2019, 卷号: 48, 期号: 12 作者:  M.-Q.Shao;  L.Zhang;  L.Li;  L.Wei;  X.-Z.Jia 收藏  |  浏览/下载：1/0  |  提交时间：2020/08/24 Structural design,Constrained optimization,Flexible structures,Genetic algorithms,Ground supports,Mirrors,Optical testing,Optomechanics,Remote sensing,Vibrations (mechanical)