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科研机构
北京大学 [272]
内容类型
期刊论文 [181]
其他 [76]
会议论文 [15]
发表日期
2017 [27]
2016 [32]
2015 [33]
2014 [26]
2013 [31]
2012 [19]
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专题:北京大学
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Optimized Multiresidue Analysis of Organic Contaminants of Priority Concern in a Daily Consumed Fish (Grass Carp)
期刊论文
JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY, 2017
He, Wei
;
Chen, Yanru
;
Yang, Chen
;
Liu, Wenxiu
;
Kong, Xiangzhen
;
Qin, Ning
;
He, Qishuang
;
Xu, Fuliu
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
POLYCYCLIC AROMATIC-HYDROCARBONS
POLYBROMINATED DIPHENYL ETHERS
ACCELERATED SOLVENT-EXTRACTION
GEL-PERMEATION CHROMATOGRAPHY
ORGANOCHLORINE PESTICIDE-RESIDUES
POLYCHLORINATED-BIPHENYLS PCBS
PRESSURIZED LIQUID EXTRACTION
MICROWAVE-ASSISTED EXTRACTION
BIOLOGICAL MATRICES
SUPERCRITICAL-FLUID
Management outweighs climate change on affecting length of rice growing period for early rice and single rice in China during 1991-2012
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Wang, Xuhui
;
Ciais, Philippe
;
Li, Laurent
;
Ruget, Francois
;
Vuichard, Nicolas
;
Viovy, Nicolas
;
Zhou, Feng
;
Chang, Jinfeng
;
Wu, Xiuchen
;
Zhao, Hongfang
;
Piao, Shilong
收藏
  |  
浏览/下载:47/0
  |  
提交时间:2017/12/03
Length of growing period
Rice
Climate change
Crop management
ORCHIDEE-crop
China
WINTER-WHEAT PHENOLOGY
PAST 3 DECADES
CROP MANAGEMENT
GROWTH DURATION
EXTREME HEAT
FIELD CROPS
YIELD
IMPACTS
MODELS
TEMPERATURE
Reducing the uncertainty of parameters controlling seasonal carbon and water fluxes in Chinese forests and its implication for simulated climate sensitivities
期刊论文
GLOBAL BIOGEOCHEMICAL CYCLES, 2017
Li, Yue
;
Yang, Hui
;
Wang, Tao
;
MacBean, Natasha
;
Bacour, Cedric
;
Ciais, Philippe
;
Zhang, Yiping
;
Zhou, Guangsheng
;
Piao, Shilong
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
NET ECOSYSTEM EXCHANGE
LAND-SURFACE MODEL
GLOBAL VEGETATION MODELS
EARTH SYSTEM MODELS
EDDY-COVARIANCE
TERRESTRIAL BIOSPHERE
DATA ASSIMILATION
FUTURE CLIMATE
ENVIRONMENTAL CONTROLS
NONLINEAR INVERSION
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
Ensemble-based optimization of interwell connectivity in heterogeneous waterflooding reservoirs
期刊论文
JOURNAL OF NATURAL GAS SCIENCE AND ENGINEERING, 2017
Wang, Daigang
;
Li, Yong
;
Chen, Bailian
;
Hu, Yongle
;
Li, Baozhu
;
Gao, Dapeng
;
Fu, Bing
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Capacitance-resistance model
Koval fractional-flow equation
Interwell connectivity
Ensemble-based optimization technique
Hybrid nonlinear constraint
CAPACITANCE/RESISTANCE MODEL
ALGORITHM
海域天然气水合物开发的地球物理监测
期刊论文
地学前缘, 2017
何涛
;
卢海龙
;
林进清
;
董一飞
;
何健
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
天然气水合物
储层监测
4分量海底时移地震系统
海洋可控源电磁
海底变形
gas hydrate
reservoir monitoring
4-C OBC time-lapse seismic system
MCSEM
seafloor deformation
Endmember extraction from hyperspectral image based on discrete firefly algorithm (EE-DFA)
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2017
Zhang, Chengye
;
Qin, Qiming
;
Zhang, Tianyuan
;
Sun, Yuanheng
;
Chen, Chao
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Endmember extraction
Discrete firefly algorithm (DFA)
Hyperspectral image
Remote sensing
DIMENSIONALITY
岩石力学参数标定系统关键技术研究
期刊论文
地学前缘, 2017
刘振
;
吴耕宇
;
潘懋
;
郝红瑞
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
岩石力学参数
常规测井
标定
建模精度
数据分块
rock mechanics parameters
conventional logging
calibration
modeling accuracy
data block
Orthogonal array design for the optimization of stripping Sr(II) from ionic liquids using supercritical CO2
期刊论文
CHINESE JOURNAL OF CHEMICAL ENGINEERING, 2017
Yang, Tao
;
Fu, Jing
;
Chen, Qingde
;
Shen, Xinghai
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Supercritical CO2 stripping
Ionic liquid
Strontium
Orthogonal array design
CARBON-DIOXIDE EXTRACTION
ALKALI-METAL IONS
TOXIC HEAVY-METALS
FLUID EXTRACTION
AQUEOUS-SOLUTIONS
STRONTIUM IONS
PERFLUOROCARBOXYLIC ACID
SELECTIVE EXTRACTION
SOLID-MATRIX
CROWN-ETHERS
Artificial Neural Network Modeling and Genetic Algorithm Optimization for Cadmium Removal from Aqueous Solutions by Reduced Graphene Oxide-Supported Nanoscale Zero-Valent Iron (nZVI/rGO) Composites
期刊论文
MATERIALS, 2017
Fan, Mingyi
;
Li, Tongjun
;
Hu, Jiwei
;
Cao, Rensheng
;
Wei, Xionghui
;
Shi, Xuedan
;
Ruan, Wenqian
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
nZVI/rGO composites
Cd(II)
removal
artificial neural network
genetic algorithm
RESPONSE-SURFACE METHODOLOGY
WASTE-WATER
ZEROVALENT IRON
NITRATE REMOVAL
ANN-GA
PROCESS PARAMETERS
ACTIVATED CARBON
HEAVY-METALS
ADSORPTION
EQUILIBRIUM
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