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科研机构
北京大学 [288]
内容类型
期刊论文 [229]
其他 [55]
会议论文 [4]
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2017 [24]
2016 [26]
2015 [30]
2014 [19]
2013 [18]
2012 [11]
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专题:北京大学
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Estimating structural parameters of agricultural crops from ground-based multi-angular digital images with a fractional model of sun and shade components
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Mu, Xihan
;
Hu, Ronghai
;
Zeng, Yelu
;
McVicar, Tim R.
;
Ren, Huazhong
;
Song, Wanjuan
;
Wang, Yuanyuan
;
Casa, Raffaele
;
Qi, Jianbo
;
Xie, Donghui
;
Yan, Guangjian
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Leaf area index
Leaf angle distribution
Bidirectional gap fraction
Sun and shade leaves and soil
Field measurement
Canopy reflectance
LEAF-AREA INDEX
DIRECTIONAL BRIGHTNESS TEMPERATURE
SIZE ANALYSIS THEORY
VEGETATION COVER
HEMISPHERICAL PHOTOGRAPHY
PLANT CANOPIES
ROW CROPS
EXTINCTION COEFFICIENT
BROADLEAF CANOPIES
ANGLE DISTRIBUTION
Determination of pressure in aqueo-carbonic fluid inclusions at high temperatures from measured Raman frequency shifts of CO2
期刊论文
AMERICAN MINERALOGIST, 2017
Yuan, Xueyin
;
Mayanovic, Robert A.
;
Zheng, Haifei
;
Sun, Qiang
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
CO2
Raman spectroscopy
pressure determination
HDAC
fluid inclusion
DIAMOND-ANVIL CELL
SPECTROSCOPIC CHARACTERIZATION
GOLD MINERALIZATIONS
SYSTEM H2O-CO2-NACL
GRANITIC PEGMATITE
PHASE-EQUILIBRIA
FERMI RESONANCE
ORE GENESIS
SOUTH CHINA
DENSITY
Synergistic effects of thermal expansion-induced variation in the electrode microstructure on polarization loss in solid oxide fuel cells
期刊论文
JOURNAL OF MATERIALS CHEMISTRY A, 2017
Wen, Kechun
;
Tan, Chao
;
He, Weidong
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
DIFFUSIVITY MEASUREMENT
NANOSTRUCTURED ELECTRODES
ELECTROCHEMICAL DEVICE
GAS-TRANSPORT
PERFORMANCE
STRAIN
ANODE
CONDUCTIVITY
DURABILITY
TORTUOSITY
聚(乙烯基对苯二甲酸二烷基酯)的非寻常相转变
期刊论文
高分子学报, 2017
刘鑫
;
郑晓慧
;
刘小青
;
赵瑞颖
;
赵体鹏
;
刘琛阳
;
孙平川
;
陈尔强
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
甲壳效应
柱状液晶相
各向同性相重入
熵致有序
Jacketing effect
Columnar liquid crystalline phase
Isotropic phase reentry
Entropy driven ordering
A branch-migration based fluorescent probe for straightforward, sensitive and specific discrimination of DNA mutations
期刊论文
NUCLEIC ACIDS RESEARCH, 2017
Xiao, Xianjin
;
Wu, Tongbo
;
Xu, Lei
;
Chen, Wei
;
Zhao, Meiping
收藏
  |  
浏览/下载:103/0
  |  
提交时间:2017/12/03
MOLECULAR BEACONS
SINGLE
CANCER
AMPLIFICATION
HYBRIDIZATION
SELECTIVITY
ENZYME
PCR
Temperature-Triggered Sulfur Vacancy Evolution in Monolayer MoS2/Graphene Heterostructures
期刊论文
SMALL, 2017
Liu, Mengxi
;
Shi, Jianping
;
Li, Yuanchang
;
Zhou, Xiebo
;
Ma, Donglin
;
Qi, Yue
;
Zhang, Yanfeng
;
Liu, Zhongfan
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
SINGLE-LAYER MOS2
AUGMENTED-WAVE METHOD
MOLYBDENUM-DISULFIDE
AU FOILS
ATOMIC DEFECTS
BANDGAP
GROWTH
SEMICONDUCTOR
NANOSHEETS
STATES
Selenium doping NaCl-type superconductor: SnAs1-xSex (x=0-0.13)
期刊论文
JOURNAL OF SOLID STATE CHEMISTRY, 2017
He, Jianqiao
;
Zhang, Xian
;
Lai, Xiaofang
;
Huang, Fuqiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
SnAs1-xSex
Superconductivity
Compressive strain
HIGH-PRESSURE
TEMPERATURE
SNAS
Dendrimer-Based Demulsifiers for Polymer Flooding Oil-in-Water Emulsions
期刊论文
ENERGY & FUELS, 2017
Bi, Yangang
;
Li, Wusong
;
Liu, Congcong
;
Xu, Zejun
;
Jia, Xinru
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
EFFICIENT
ADSORPTION
MIXTURES
DELIVERY
Two-dimensional metallic tantalum disulfide as a hydrogen evolution catalyst
期刊论文
NATURE COMMUNICATIONS, 2017
Shi, Jianping
;
Wang, Xina
;
Zhang, Shuai
;
Xiao, Lingfeng
;
Huan, Yahuan
;
Gong, Yue
;
Zhang, Zhepeng
;
Li, Yuanchang
;
Zhou, Xiebo
;
Hong, Min
;
Fang, Qiyi
;
Zhang, Qing
;
Liu, Xinfeng
;
Gu, Lin
;
Liu, Zhongfan
;
Zhang, Yanfeng
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
CHARGE-DENSITY-WAVE
CHEMICAL-VAPOR-DEPOSITION
ACTIVE EDGE SITES
PHASE-TRANSITIONS
GRAIN-BOUNDARY
ATOMIC LAYERS
MOS2
NANOSHEETS
1T-TAS2
GROWTH
Development of a portable cavity-enhanced absorption spectrometer for the measurement of ambient NO3 and N2O5: experimental setup, lab characterizations, and field applications in a polluted urban environment
期刊论文
ATMOSPHERIC MEASUREMENT TECHNIQUES, 2017
Wang, Haichao
;
Chen, Jun
;
Lu, Keding
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
RING-DOWN SPECTROSCOPY
IN-SITU MEASUREMENTS
FOURIER-TRANSFORM SPECTROSCOPY
NOCTURNAL NITROGEN-OXIDES
ATMOSPHERIC TRACE GASES
TEMPERATURE-DEPENDENCE
CROSS-SECTION
NIGHTTIME CHEMISTRY
AEROSOL EXTINCTION
NEAR-ULTRAVIOLET
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