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科研机构
北京大学 [320]
内容类型
期刊论文 [243]
其他 [75]
会议论文 [2]
发表日期
2017 [15]
2016 [27]
2015 [23]
2014 [16]
2013 [19]
2012 [16]
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专题:北京大学
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区域生态安全格局构建研究进展与展望
期刊论文
地理研究, 2017
彭建
;
赵会娟
;
刘焱序
;
吴健生
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
生态安全格局
生态源地
生态廊道
阻力面
研究进展与展望
ecological security patterns
ecological source
ecological corridor
resistance surface
research progress and prospect
TLS-bridged co-prediction of tree-level multifarious stem structure variables from worldview-2 panchromatic imagery: a case study of the boreal forest
期刊论文
INTERNATIONAL JOURNAL OF DIGITAL EARTH, 2017
Lin, Yi
;
Wei, Tian
;
Yang, Bin
;
Knyazikhin, Yuri
;
Zhang, Yuhu
;
Sato, Hisashi
;
Fang, Xing
;
Liang, Xinlian
;
Yan, Lei
;
Sun, Shanlin
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Tree stem structure variable (SSV)
WorldView-2 panchromatic image (WPI)
static terrestrial laser scanning (TLS)
allometric relationship
co-prediction model
TERRESTRIAL LASER SCANNER
SPECIES CLASSIFICATION
FEATURE PARAMETERS
ALLOMETRIC RELATIONSHIPS
BIOMASS ESTIMATION
INDIVIDUAL TREES
PINUS-SYLVESTRIS
SATELLITE IMAGES
STANDING TREES
CROWN HEIGHT
Long-Term Two-Photon Imaging in Awake Macaque Monkey
期刊论文
NEURON, 2017
Li, Ming
;
Liu, Fang
;
Jiang, Hongfei
;
Lee, Tai Sing
;
Tang, Shiming
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
PRIMARY VISUAL-CORTEX
NEURAL ACTIVITY
IN-VIVO
INFEROTEMPORAL CORTEX
CELLULAR RESOLUTION
NONHUMAN PRIMATE
STRIATE CORTEX
NEURONS
ORIENTATION
ORGANIZATION
Cryo-EM structure of the DNA-PK holoenzyme
期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2017
Sharif, Humayun
;
Li, Yang
;
Dong, Yuanchen
;
Dong, Liyi
;
Wang, Wei Li
;
Mao, Youdong
;
Wu, Hao
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
DNA repair
V(D)J recombination
NHEJ
cryo-EM
structure
DEPENDENT PROTEIN-KINASE
STRAND BREAK REPAIR
3-DIMENSIONAL STRUCTURE
ELECTRON-MICROSCOPY
CATALYTIC SUBUNIT
KU
COMPLEX
END
MECHANISM
SUGGESTS
Steering Surface Reaction at Specific Sites with Self-Assembly Strategy
期刊论文
ACS NANO, 2017
Zhou, Xiong
;
Bebensee, Fabian
;
Yang, Mingmei
;
Bebensee, Regine
;
Cheng, Fang
;
He, Yang
;
Shen, Qian
;
Shang, Jian
;
Liu, Zhirong
;
Besenbacher, Flemming
;
Linderoth, Trolle R.
;
Wu, Kai
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
steering surface reaction
self-assembly strategy
active site
Ullmann coupling
scanning tunneling microscopy
ULLMANN COUPLING REACTION
SCANNING TUNNELING MICROSCOPE
DENSITY-FUNCTIONAL THEORY
AUGMENTED-WAVE METHOD
GRAPHENE NANORIBBONS
HYBRID CHAINS
C-C
HALOGEN
NANOARCHITECTURES
POLYMERIZATION
An Imide-Based Pentacyclic Building Block for n-Type Organic Semiconductors
期刊论文
CHEMISTRY-A EUROPEAN JOURNAL, 2017
Wu, Fu-Peng
;
Un, Hio-leng
;
Li, Yongxi
;
Hu, Hailiang
;
Yuan, Yi
;
Yang, Bin
;
Xiao, Kai
;
Chen, Wei
;
Wang, Jie-Yu
;
Jiang, Zuo-Quan
;
Pei, Jian
;
Liao, Liang-Sheng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
electron-deficiency
fused rings
imides
organic semiconductors
thiophenes
POLYMER SOLAR-CELLS
FIELD-EFFECT TRANSISTORS
HIGH ELECTRON-AFFINITY
CONJUGATED POLYMERS
HIGH-PERFORMANCE
PHOTOVOLTAIC PERFORMANCE
MOBILITY
ACCEPTOR
DIIMIDES
CHANNEL
Donor End-Capped Hexafluorinated Oligomers for Organic Solar Cells with 9.3% Efficiency by Engineering the Position of pi-Bridge and Sequence of Two-Step Annealing
期刊论文
CHEMISTRY OF MATERIALS, 2017
Wang, Jin-Liang
;
Liu, Kai-Kai
;
Liu, Sha
;
Xiao, Fei
;
Chang, Zheng-Feng
;
Zheng, Yu-Qing
;
Doug, Jin-Hu
;
Zhang, Ru-Bo
;
Wu, Hong-Bin
;
Pei, Jian
;
Cao, Yong
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
PROCESSED SMALL MOLECULES
FIELD-EFFECT TRANSISTORS
CONJUGATED POLYMERS
SIDE-CHAIN
PHOTOVOLTAIC PERFORMANCE
HETEROATOM SUBSTITUTION
BENZODITHIOPHENE UNIT
ELECTRON-ACCEPTORS
MORPHOLOGY CONTROL
FILL FACTOR
Magnetic and HFEPR Studies of Exchange Coupling in a Series of it mu-Cl Dicobalt Complexes
期刊论文
INORGANIC CHEMISTRY, 2017
Liu, Jia-Jia
;
Jiang, Shang-Da
;
Neugebauer, Petr
;
van Slageren, Joris
;
Lan, Yanhua
;
Wernsdorfer, Wolfgang
;
Wang, Bing-Wu
;
Gao, Song
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
SINGLE-MOLECULE MAGNET
ELECTRON-PARAMAGNETIC-RESONANCE
TRANSITION-METAL-COMPLEXES
COBALT(II) COMPLEXES
WEAK FERROMAGNETISM
BRIDGE ANGLE
ANISOTROPY
LIGAND
CHAIN
DIMER
DNA vs.RNA:到底谁说了算
期刊论文
自然杂志, 2017
段洪超
收藏
  |  
浏览/下载:15/0
  |  
提交时间:2017/12/03
表观遗传学
转录后调控
RNA修饰
N6-甲基腺嘌呤
epigenetics
post-transcriptional regulation
RNA modification
N6-methyladenosine
Roll-to-Roll Printed Large-Area All-Polymer Solar Cells with 5% Efficiency Based on a Low Crystallinity Conjugated Polymer Blend
期刊论文
ADVANCED ENERGY MATERIALS, 2017
Gu, Xiaodan
;
Zhou, Yan
;
Gu, Kevin
;
Kurosawa, Tadanori
;
Guo, Yikun
;
Li, Yunke
;
Lin, Haoran
;
Schroeder, Bob C.
;
Yan, Hongping
;
Molina-Lopez, Francisco
;
Tassone, Christopher J.
;
Wang, Cheng
;
Mannsfeld, Stefan C. B.
;
Yan, He
;
Zhao, Dahui
;
Toney, Michael F.
;
Bao, Zhenan
收藏
  |  
浏览/下载:14/0
  |  
提交时间:2017/12/03
FIELD-EFFECT MOBILITY
X-RAY-SCATTERING
CONVERSION EFFICIENCY
MORPHOLOGY CONTROL
CHARGE-TRANSPORT
MOLECULAR-WEIGHT
PERFORMANCE
POLY(3-HEXYLTHIOPHENE)
STABILITY
ACCEPTOR
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