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北京大学 [40]
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期刊论文 [40]
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2017 [5]
2016 [6]
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内容类型:期刊论文
专题:北京大学
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Depth extraction of low-texture region using a light field camera
期刊论文
OPTICAL ENGINEERING, 2017
Zhao, Hongying
;
Zheng, Miao
;
Yang, Peng
;
Zhao, Shoujiang
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
light field
depth extraction
low texture
partition ratio of triangle grids area
TRIANGULATION
ALGORITHMS
DISTANCE
Extraction of U(VI) by the ionic liquid hexyltributylphosphonium bis (trifluoromethylsulfonyl)imides: An experimental and theoretical study
期刊论文
SEPARATION AND PURIFICATION TECHNOLOGY, 2017
Sun, Taoxiang
;
Xu, Chao
;
Fu, Jing
;
Chen, Qingde
;
Chen, Jing
;
Shen, Xinghai
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Extraction
Uranium
Ionic liquids
Mechanism
DFT calculation
NITRIC-ACID MEDIUM
SUPERCRITICAL CARBON-DIOXIDE
URANYL-ION
AQUEOUS-SOLUTION
BETAINIUM BIS(TRIFLUOROMETHYLSULFONYL)IMIDE
TRIVALENT LANTHANIDE
SELECTIVE EXTRACTION
TRANSPORT-PROPERTIES
ACTINIDE IONS
TEMPERATURE
Carbazolylphosphines and carbazolylphosphine oxides: facilely synthesized host materials with tunable mobilities and high triplet energy levels for blue phosphorescent OLEDs
期刊论文
JOURNAL OF MATERIALS CHEMISTRY C, 2017
Zhao, Zifeng
;
Yu, Gang
;
Chang, Qiaowen
;
Liu, Xiaochen
;
Liu, Yang
;
Wang, Liding
;
Liu, Zhiwei
;
Bian, Zuqiang
;
Liu, Weiping
;
Huang, Chunhui
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
LIGHT-EMITTING-DIODES
EXTERNAL QUANTUM EFFICIENCY
LOW DRIVING VOLTAGE
PHOSPHINE OXIDE
ORGANIC MATERIALS
BIPOLAR HOST
ELECTROPHOSPHORESCENCE
CARBAZOLE
MOIETIES
DEVICES
鄱阳湖三角帆蚌软组织中稀土元素累积与沉积物金属形态响应研究
期刊论文
北京大学学报 自然科学版, 2017
许旭明
;
潘保柱
;
舒凤月
;
陈秀粉
;
倪晋仁
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
三角帆蚌
沉积物
稀土元素
鄱阳湖
相关性
rare earth elements
Hyriopsis cumingii
sediments
Poyang Lake
correlation
Photon management for efficient hybrid perovskite solar cells via synergetic localized grating and enhanced fluorescence effect
期刊论文
NANO ENERGY, 2017
Chen, Yihua
;
Li, Liang
;
Liu, Zonghao
;
Zhou, Ning
;
Chen, Qi
;
Zhou, Huanping
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Perovskite
Nanostructure
Photon management
Localized grating
Energy transfer
ORGANOMETAL HALIDE PEROVSKITES
HOLE EXTRACTION LAYERS
CH3NH3PBI3 PEROVSKITE
CONVERSION EFFICIENCY
REFRACTIVE-INDEX
LEAD IODIDE
THIN-FILMS
PERFORMANCE
NANOPARTICLES
TRANSPORTER
Kinetic study of phase transformation of n-octane using hydrothermal diamond anvil cell
期刊论文
PHASE TRANSITIONS, 2016
Liu, Chuanjiang
;
Zheng, Haifei
;
Wang, Duojun
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
n-octane
phase transformation
kinetics
pressure
diamond anvil cell
MANTLE MINERALS
RAMAN-SPECTRA
PRESSURE
IDENTIFICATION
SPECTROSCOPY
TRANSITIONS
VIBRATIONS
EXTRACTION
CRYSTAL
SOLVENT
基于Landsat数据和DMSP/OLS夜间灯光数据的城市扩展提取:以天津市为例
期刊论文
北京大学学报 自然科学版, 2016
柴宝惠
;
李培军
;
张瑞洁
;
赵鹏
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/04
城市扩展
Landsat TM/ETM+影像
DMSP/OLS夜间灯光数据
变化检测
图像分类
urban expansion
Landsat TM/ETM+ images
DMSP/OLS nighttime light data
change detection
image classification
A photodegradable hexaaza-pentacene molecule for selective dispersion of large-diameter semiconducting carbon nanotubes
期刊论文
CHEMICAL COMMUNICATIONS, 2016
Han, Jie
;
Ji, Qiyan
;
Li, Hongbo
;
Li, Gang
;
Qiu, Song
;
Li, Hai-Bei
;
Zhang, Qichun
;
Jin, Hehua
;
Li, Qingwen
;
Zhang, Jin
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
THIN-FILM TRANSISTORS
POLYMER
COPOLYMERS
EXTRACTION
PROGRESS
RELEASE
Characterization of reversed micelles formed in solvent extraction of thorium(IV) by bis(2-ethylhexyl) phosphoric acid. Transforming from rodlike to wormlike morphology
期刊论文
RADIOCHIMICA ACTA, 2016
Gao, Song
;
Sun, Taoxiang
;
Chen, Qingde
;
Shen, Xinghai
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
Thorium
bis(2-ethylhexyl) phosphoric acid
reversed micelles
extraction
ANGLE NEUTRON-SCATTERING
2-ETHYLHEXYL PHENYLPHOSPHONIC ACID
NAPHTHALENE SULFONIC-ACID
LIQUID-LIQUID-EXTRACTION
STICKY SPHERES MODEL
N-DODECANE
FT-IR
ORGANOPHOSPHORUS EXTRACTANTS
SYNERGISTIC EXTRACTION
AGGREGATION BEHAVIOR
The characteristics of brown carbon aerosol during winter in Beijing
期刊论文
ATMOSPHERIC ENVIRONMENT, 2016
Cheng, Yuan
;
He, Ke-bin
;
Du, Zhen-yu
;
Engling, Guenter
;
Liu, Jiu-meng
;
Ma, Yong-liang
;
Zheng, Mei
;
Weber, Rodney J.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Brown carbon
Light absorption
WSOC
Methanol extract
Biomass burning
SOLUBLE ORGANIC-CARBON
MASS ABSORPTION EFFICIENCY
LIGHT-ABSORPTION
OPTICAL-PROPERTIES
ELEMENTAL CARBON
BLACK CARBON
SOURCE APPORTIONMENT
BIOMASS COMBUSTION
ANGSTROM EXPONENT
BURNING AEROSOLS
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