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浏览/检索结果: 共9条，第1-9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 Impacts of fire severity and post-fire reforestation on carbon pools in boreal larch forests in Northeast China 期刊论文 JOURNAL OF PLANT ECOLOGY, 2016 Hu, Xueyang; Zhu, Jianxiao; Wang, Chuankuan; Zheng, Tianli; Wu, Qiqian; Yao, Hui; Fang, Jingyun 收藏  |  浏览/下载：8/0  |  提交时间：2017/12/03 carbon budget  wildfire  fire severity  Larix gmelinii  reforestation  COARSE WOODY DEBRIS  NET PRIMARY PRODUCTION  LAND-USE CHANGE  PONDEROSA PINE  PRIMARY PRODUCTIVITY  TEMPERATE FOREST  RAIN-FOREST  STORAGE  ECOSYSTEMS  CLIMATE   Iris Recognition from Distant Images Based on Multiple Feature Descriptors and Classifiers 其他 2016-01-01 Ali, Lasker Ershad; Luo, Junfeng; Ma, Jinwen 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 GLAC  CNN  KELM  Contextual Eye Image  Iris Recognition  EXTREME LEARNING-MACHINE  CONTOURLET TRANSFORM  CLASSIFICATION   Iris Recognition from Distant Images Based on Multiple Feature Descriptors and Classifiers 其他 2016-01-01 Junfeng Luo; Jinwen Ma 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 GLAC  CNN  KELM  Contextual Eye Image  Iris Recognition  GLAC  CNN  KELM  Contextual Eye Image  Iris Recognition   Raman spectroscopic characterization of stacking configuration and interlayer coupling of twisted multilayer graphene grown by chemical vapor deposition 期刊论文 CARBON, 2016 Wu, Jiang-Bin; Wang, Huan; Li, Xiao-Li; Peng, Hailin; Tan, Ping-Heng 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 BILAYER GRAPHENE  GRAPHITE  FILMS  SCATTERING  LAYERS   Uncertainty assessment of source attribution of PM2.5 and its water-soluble organic carbon content using different biomass burning tracers in positive matrix factorization analysis - a case study in Beijing, China 期刊论文 SCIENCE OF THE TOTAL ENVIRONMENT, 2016 Tao, Jun; Zhang, Leiming; Zhang, Renjian; Wu, Yunfei; Zhang, Zhisheng; Zhang, Xiaoling; Tang, Yixi; Cao, Junji; Zhang, Yuanhang 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Source apportionment  Biomass burning tracers  Source profiles  SOUTHEASTERN UNITED-STATES  LONG-RANGE TRANSPORT  PARTICULATE MATTER  CHEMICAL-CHARACTERIZATION  AEROSOL FORMATION  SOURCE APPORTIONMENT  URBAN-ENVIRONMENT  ELEMENTAL CARBON  PARTICLE-SIZE  COMBUSTION   Knowledge-aided Object-Oriented Three-Dimensional Microwave Imaging 其他 2016-01-01 Wang, Longgang; Li, Lianlin; Zhou, Xiaoyang; Cui, Tiejun; Nehorai, Arye 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 Object-oritented Microwave Imaging  Three-dimensional  Learn-based Imaging  Generalized Reflectivity Model  Target Classification  SCATTERING   Knowledge-aided Object-oriented Three-dimensional Microwave Imaging 其他 2016-01-01 Wang, Longgang; Li, Lianlin; Ruan, Hengxin; Cui, Tie Jun 收藏  |  浏览/下载：6/0  |  提交时间：2017/12/03 A Novel Three-dimension Fast Radar Imaging Method Based on Far-field-approximation 其他 2016-01-01 Wang, Long Gang; Li, Lianlin; Cui, Tie Jun 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Bichromatic coherent random lasing from dye-doped polymer stabilized blue phase liquid crystals controlled by pump light polarization 期刊论文 CHINESE PHYSICS B, 2016 Wang, Lei; Wang, Meng; Yang, Mingchao; Shi, Li-Jie; Deng, Luogen; Yang, Huai 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/04 bichromatic emission  random lasing  blue phase  liquid crystals  RANDOM LASER  SCATTERING MEDIA  EMISSION