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浏览/检索结果: 共7条，第1-7条 帮助 限定条件 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 Atomically FeN2 moieties dispersed on mesoporous carbon: A new atomic catalyst for efficient oxygen reduction catalysis 期刊论文 NANO ENERGY, 2017 Shen, Hangjia; Gracia-Espino, Eduardo; Ma, Jingyuan; Tang, Haodong; Mamat, Xamxikamar; Wagberg, Thomas; Hu, Guangzhi; Guo, Shaojun 收藏  |  浏览/下载：8/0  |  提交时间：2017/12/03 FeN2  Atomic dispersion  Oxygen reduction reaction  Kinetic model  Nitrogen-doped carbon  NITROGEN-DOPED CARBON  FUEL-CELLS  N-X  ELECTROCATALYSTS  SITES  IRON  ELECTROREDUCTION  IDENTIFICATION  PERFORMANCE  POLYMER   Evaluation of Land Surface Models in Reproducing Satellite-Derived LAI over the High-Latitude Northern Hemisphere. Part I: Uncoupled DGVMs 期刊论文 remote sens basel, 2013 Murray-Tortarolo, Guillermo; Anav, Alessandro; Friedlingstein, Pierre; Sitch, Stephen; Piao, Shilong; Zhu, Zaichun; Poulter, Benjamin; Zaehle, Soenke; Ahlstrom, Anders; Lomas, Mark; Levis, Sam; Viovy, Nicholas; Zeng, Ning 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/16 LAI  land surface models  growing season  trendy  northern hemisphere  phenology  LEAF-AREA-INDEX  GLOBAL VEGETATION MODEL  PHOTOSYNTHETICALLY ACTIVE RADIATION  PLANT GEOGRAPHY  TIME-SERIES  FOREST  CARBON  ALGORITHM  BOREAL  DYNAMICS   Global Data Sets of Vegetation Leaf Area Index (LAI)3g and Fraction of Photosynthetically Active Radiation (FPAR)3g Derived from Global Inventory Modeling and Mapping Studies (GIMMS) Normalized Difference Vegetation Index (NDVI3g) for the Period 期刊论文 remote sens basel, 2013 Zhu, Zaichun; Bi, Jian; Pan, Yaozhong; Ganguly, Sangram; Anav, Alessandro; Xu, Liang; Samanta, Arindam; Piao, Shilong; Nemani, Ramakrishna R.; Myneni, Ranga B. 收藏  |  浏览/下载：12/0  |  提交时间：2015/11/16 LAI  FPAR  NDVI3g  MODIS  NASA NEX  artificial neural networks  remote sensing of vegetation  NET PRIMARY PRODUCTION  MODIS-LAI PRODUCT  REMOTE-SENSING DATA  SATELLITE DATA  LAND-COVER  BIOPHYSICAL PARAMETERS  MULTISCALE ANALYSIS  BIOSPHERE MODEL  SPOT-VEGETATION  NORTH-AMERICA   Mx-tree: A double hierarchical metric index with overlap reduction 期刊论文 lecture notes in computer science including subseries lecture notes in artificial intelligence and lecture notes in bioinformatics, 2013 Jin, Shichao; Kim, Okhee; Feng, Wenya 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/13 Accelerating sequence searching: dimensionality reduction method 期刊论文 knowledge and information systems, 2009 Song, Guojie; Cui, Bin; Zheng, Baihua; Xie, Kunqing; Yang, Dongqing 收藏  |  浏览/下载：5/0  |  提交时间：2015/11/10 Sequence similarity search  Sequence embedding  Index  Dimension reduction  ALGORITHM   Determination of total nitrogen content in fresh tea leaf using visible-near infrared spectroscopy 期刊论文 guang pu xue yu guang pu fen xispectroscopy and spectral analysis, 2008 Hu, Yong-Guang; Li, Ping-Ping; Mu, Jian-Hua; Mao, Han-Ping; Wu, Cai-Cong; Chen, Bin 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/17 基于可见-近红外光谱技术预测茶鲜叶全氮含量 期刊论文 光谱学与光谱分析, 2008 胡永光; 李萍萍; 母建华; 毛罕平; 吴才聪; 陈斌 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/12 可见-近红外光谱  偏最小二乘回归  茶鲜叶  全氮含量  预测  Visible-near infrared spectroscopy  Partial least squares regression  Fresh tea leaf  Total nitrogen content