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浏览/检索结果: 共99条，第1-10条 帮助 限定条件 发表日期：2016    专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     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 The estrogenicity of methylparaben and ethylparaben at doses close to the acceptable daily intake in immature Sprague-Dawley rats 期刊论文 SCIENTIFIC REPORTS, 2016 Sun, Libei; Yu, Tong; Guo, Jilong; Zhang, Zhaobin; Hu, Ying; Xiao, Xuan; Sun, Yingli; Xiao, Han; Li, Junyu; Zhu, Desheng; Sai, Linlin; Li, Jun 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 P-HYDROXYBENZOIC ACID  MALE REPRODUCTIVE-SYSTEM  PERSONAL CARE PRODUCTS  HUMAN BREAST-TISSUE  GENE-EXPRESSION  URINARY CONCENTRATIONS  PARABEN CONCENTRATIONS  ESTERS PARABENS  HUMAN EXPOSURE  UNITED-STATES   Climate adaptation, institutional change, and sustainable livelihoods of herder communities in northern Tibet 期刊论文 ECOLOGY AND SOCIETY, 2016 Wang, Jun; Wang, Yang; Li, Shuangcheng; Qin, Dahe 收藏  |  浏览/下载：27/0  |  提交时间：2017/12/03 climate adaptation  herder communities  institutional change  sustainable livelihoods  Tibetan Plateau  ADAPTIVE CAPACITY  VULNERABILITY  RESILIENCE  PLATEAU  POLICY  DEGRADATION  FRAMEWORK   Social media micro-film marketing by Chinese destinations: The case of Shaoxing 期刊论文 TOURISM MANAGEMENT, 2016 Shao, Jun; Li, Xiong; Morrison, Alastair M.; Wu, Bihu 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 China  Micro-film marketing  Social media  Destination marketing organization (DMO)  Destination marketing  WORD-OF-MOUTH  INDUCED TOURISM  DIFFUSION  NETWORKS  PERSPECTIVE  ISSUES   Concentrations of ketamine and norketamine in the water environment in Beijing 期刊论文 Huanjing Kexue/Environmental Science, 2016 Zhang, Hua-Fang; Yang, Jun; Du, Peng; Wang, Cong-Cong; Li, Xi-Qing 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/04 Constraining dolomitization by Mg isotopes: A case study from partially dolomitized limestones of the middle Cambrian Xuzhuang Formation, North China 期刊论文 GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2016 Peng, Yang; Shen, Bing; Lang, Xian-Guo; Huang, Kang-Jun; Chen, Ji-Tao; Yan, Zhen; Tang, Wen-bo; Ke, Shan; Ma, Hao-Ran; Li, Fang-Bing 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 dolomitization  Mg isotopes  advective flow model  DAR model  MAGNESIUM-ISOTOPE  MICROBIAL MEDIATION  MARL ALTERNATIONS  CLAY-MINERALS  SEAWATER  FRACTIONATION  DIAGENESIS  CHEMISTRY  PRECIPITATION  SYSTEMATICS   Spatially variant lagged responses of forest extent and landscape patterns to socioeconomic drivers in the Li River Basin, China 期刊论文 JOURNAL OF APPLIED REMOTE SENSING, 2016 Zhang, Yuan; Li, Jun; Qin, Qiming; Xu, Ruofeng; Lin, Cong 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 forest  lagged responses  socioeconomic drivers  deforestation  afforestation  fixed effects regression  LAND-COVER CHANGE  TROPICAL DEFORESTATION  POPULATION-GROWTH  SPECIES RICHNESS  SATELLITE DATA  PATCH SIZE  FRAGMENTATION  METRICS  DETERMINANTS  COUNTRIES   One-Class Classification of Remote Sensing Images Using Kernel Sparse Representation 期刊论文 IEEE JOURNAL OF SELECTED TOPICS IN APPLIED EARTH OBSERVATIONS AND REMOTE SENSING, 2016 Song, Benqin; Li, Peijun; Li, Jun; Plaza, Antonio 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 Kernel function  one-class classification (OCC)  remote sensing imagery  sparse representations  PARTIALLY SUPERVISED CLASSIFICATION  SUPPORT VECTOR MACHINES  HYPERSPECTRAL DATA  DAMAGE DETECTION  SAMPLES   Identification of Factors Influencing Locations of Tree Cover Loss and Gain and Their Spatio-Temporally-Variant Importance in the Li River Basin, China 期刊论文 REMOTE SENSING, 2016 Zhang, Yuan; Li, Jun; Qin, Qiming 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 random forests  tree cover change  variable importance  tree cover loss  tree cover gain  RANDOM FORESTS  LAND-COVER  TROPICAL DEFORESTATION  DRIVING FORCES  SOCIOECONOMIC DRIVERS  URBAN-GROWTH  REGRESSION  PATTERNS  CLASSIFICATION  ACCURACY   Measurement of Rayleigh wave ellipticity and its application to the joint inversion of high-resolution S wave velocity structure beneath northeast China 期刊论文 JOURNAL OF GEOPHYSICAL RESEARCH-SOLID EARTH, 2016 Li, Guoliang; Chen, Haichao; Niu, Fenglin; Guo, Zhen; Yang, Yingjie; Xie, Jun 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Rayleigh wave ellipticity  joint inversion  surface wave tomography  crustal structure  Songliao basin  northeast China  PERIOD SEISMIC DATA  ZH RATIO METHOD  I-TYPE GRANITES  NE CHINA  CRUSTAL STRUCTURE  SONGLIAO BASIN  TOMOGRAPHY  NOISE  VOLCANISM  GEOCHRONOLOGY   Constraining ribbon rock dolomitization by Mg isotopes: Implications for the 'dolomite problem' 期刊论文 Fall AGU Conference on Deciphering Isotope Signatures of Earth Surface and Critical Zone Processes, 2016 Li, Fang-Bing; Teng, Fang-Zhen; Chen, Ji-Tao; Huang, Kang-Jun; Wang, Shui-Jiong; Lang, Xian-Guo; Ma, Hao-Ran; Peng, Yong-Bo; Shen, Bing 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Ribbon rock  Mg isotopes  Dolomite  Doushantuo  Clay mineral  EDIACARAN DOUSHANTUO FORMATION  MAGNESIUM-ISOTOPE  MARINE CARBONATES  EXPERIMENTAL CALIBRATION  MICROBIAL MEDIATION  SEAWATER CHEMISTRY  FRACTIONATION  PRECIPITATION  DIAGENESIS  LIMESTONE