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浏览/检索结果: 共8条，第1-8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 退耕还林(草)工程实施前后黄土高原植被覆盖时空变化分析 期刊论文 自然资源学报, 2017 赵安周; 张安兵; 刘海新; 刘焱序; 王贺封; 王冬利 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 退耕还林(草)  黄土高原  GIMMS NDVI3g  Grain for Green Project  GIMMS NDVI3g  Loess Plateau   High-Efficiency Selective Electron Tunnelling in a Heterostructure Photovoltaic Diode 期刊论文 NANO LETTERS, 2016 Jia, Chuancheng; Ma, Wei; Gu, Chunhui; Chen, Hongliang; Yu, Haomiao; Li, Xinxi; Zhang, Fan; Gu, Lin; Xia, Andong; Hou, Xiaoyuan; Meng, Sheng; Guo, Xuefeng 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Graphene  photovoltaics  interface  electron tunnelling  SENSITIZED SOLAR-CELLS  GRAPHENE  DYE  INTERFACE  DEVICES   Effect of Alkyl Side Chains of Conjugated Polymer Donors on the Device Performance of Non-Fullerene Solar Cells 期刊论文 MACROMOLECULES, 2016 Xia, Dongdong; Wu, Yang; Wang, Qiang; Zhang, Andong; Li, Cheng; Lin, Yuze; Colberts, Fallon J. M.; van Franeker, Jacobus J.; Janssen, Rene A. J.; Zhan, Xiaowei; Hu, Wenping; Tang, Zheng; Ma, Wei; Li, Weiwei 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 ORGANIC PHOTOVOLTAICS  ELECTRON-ACCEPTOR  NONFULLERENE ACCEPTORS  BACKBONE FLUORINATION  EFFICIENCY  ABSORPTION  PHOTOCURRENT  MORPHOLOGY  STRATEGY  DESIGN   All-optical multi-channel wavelength conversion of Nyquist 16 QAM signal using a silicon waveguide 期刊论文 OPTICS LETTERS, 2015 Long, Yun; Liu, Jun; Hu, Xiao; Wang, Andong; Zhou, Linjie; Zou, Kaiheng; Zhu, Yixiao; Zhang, Fan; Wang, Jian 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 TECHNOLOGIES  TRANSMISSION  NETWORKS  NUMBERS  CHIP  FWM   Ultra-High 435-bit/s/Hz Spectral Efficiency Using N-Dimentional Multiplexing and Modulation Link with Pol-Muxed 52 Orbital Angular Momentum (OAM) Modes Carrying Nyquist 32-QAM Signals 其他 2015-01-01 Wang, Jian; Liu, Jun; Lv, Xin; Zhu, Long; Wang, Dan; Li, Shuhui; Wang, Andong; Zhao, Yifan; Long, Yun; Du, Jing; Hu, Xiao; Zhou, Nan; Chen, Shi; Fang, Liang; Zhang, Fan 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Ultra-high 435-bit/s/Hz spectral efficiency using N-dimentional multiplexing and modulation link with pol-muxed 52 orbital angular momentum (OAM) modes carrying Nyquist 32-QAM signals 其他 2015-01-01 Wang, Jian; Liu, Jun; Lv, Xin; Zhu, Long; Wang, Dan; Li, Shuhui; Wang, Andong; Zhao, Yifan; Long, Yun; Du, Jing; Hu, Xiao; Zhou, Nan; Chen, Shi; Fang, Liang; Zhang, Fan 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 Pyridine-bridged diketopyrrolopyrrole conjugated polymers for field-effect transistors and polymer solar cells 期刊论文 POLYMER CHEMISTRY, 2015 Zhang, Xiaotao; Xiao, Chengyi; Zhang, Andong; Yang, Fangxu; Dong, Huanli; Wang, Zhaohui; Zhan, Xiaowei; Li, Weiwei; Hu, Wenping 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 BAND-GAP POLYMERS  PHOTOVOLTAIC APPLICATIONS  BUILDING-BLOCK  TANDEM POLYMER  HOLE MOBILITY  MAIN-CHAIN  PERFORMANCE  COPOLYMERS  SEMICONDUCTORS  EFFICIENCY   Conjugated polymers with deep LUMO levels for field-effect transistors and polymer-polymer solar cells 期刊论文 JOURNAL OF MATERIALS CHEMISTRY C, 2015 Zhang, Andong; Xiao, Chengyi; Meng, Dong; Wang, Qiang; Zhang, Xiaotao; Hu, Wenping; Zhan, Xiaowei; Wang, Zhaohui; Janssen, Rene A. J.; Li, Weiwei 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 SEMICONDUCTING POLYMER  BUILDING-BLOCK  PERFORMANCE  EFFICIENCY  ACCEPTOR  MORPHOLOGY  DONOR  COPOLYMERS  MOBILITY