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科研机构
北京大学 [444]
内容类型
期刊论文 [363]
其他 [70]
会议论文 [11]
发表日期
2017 [42]
2016 [58]
2015 [32]
2014 [49]
2013 [31]
2012 [33]
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专题:北京大学
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A land-indicator-based optimization model with trading mechanism in wetland ecosystem under uncertainty
期刊论文
ECOLOGICAL INDICATORS, 2017
Zeng, X. T.
;
Zhao, J. Y.
;
Yang, X. L.
;
Wang, X.
;
Xu, C. W.
;
Cui, L.
;
Zhou, Y.
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
Fuzzy programming
Stochastic programming
Hurwicz criterion
Wetland ecosystem
Land utilization plan
Trading-oriented mechanism
Uncertainty
Sustainability
WATER-RESOURCES MANAGEMENT
LAS BATUECAS-SIERRA
SUSTAINABLE DEVELOPMENT
PROGRAMMING-MODELS
HURWICZ CRITERION
FUZZY
SYSTEMS
CHINA
PROTECTION
FLOODPLAIN
淡水鲈鱼硬体组织中羟磷灰石结晶特征研究
期刊论文
矿物学报, 2017
苑蕾
;
王河锦
;
周钊
;
安佳丽
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
羟磷灰石
X射线微区衍射
生物材料
鱼硬体
结晶特性
hydroxylapatite
X-ray micro diffraction
biomaterial
hard tissue
crystallographic characteristics
Microstructure Design of Graphite in Nanoscale
期刊论文
JOURNAL OF INORGANIC MATERIALS, 2017
Chuan Xiu-Yun
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
graphite
graphene
layer by layer materials
nanostructure
review
INTERCALATION COMPOUNDS
GRAPHENE
MECHANISM
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
Revisiting interminima solar EUV change using adjusted SOHO SEM data
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2017
Huang, Jianping
;
Hao, Yongqiang
;
Zhang, Donghe
;
Xiao, Zuo
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
ELECTRON CONTENTS TECS
CYCLES 23
FLUX
SOHO/CELIAS/SEM
MINIMUM
MODEL
A Time Varying Ventilation and Dust Control Strategy Based on the Temporospatial Characteristics of Dust Dispersion
期刊论文
MINERALS, 2017
Liu, Hui
;
Wu, Xiaohu
;
Mao, Shanjun
;
Li, Mei
;
Yue, Jun
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
cost-effective
time varying ventilation
dust control
CFD
temporospatial characteristics
UNDERGROUND MINES
COAL ROADWAY
SYSTEM
ENVIRONMENT
SIMULATION
FACES
Crystallographic Characteristics of Hydroxylapatite in Hard Tissues of Cololabis saira
期刊论文
CRYSTALS, 2017
Wang, Hejing
;
Yuan, Lei
;
An, Jiali
收藏
  |  
浏览/下载:56/0
  |  
提交时间:2017/12/03
Cololabis saira
hydroxylapatite
crystallinity
preferring orientation
X-ray micro diffraction
biological control
mechanical performance
X-RAY MICRODIFFRACTION
MECHANICAL-PROPERTIES
TOOTH ENAMEL
FISH SCALES
HYDROXYAPATITE
WATER
BONE
OTOLITHS
APATITES
OH
Geological controls on methane adsorption capacity of Lower Permian transitional black shales in the Southern North China Basin, Central China: Experimental results and geological implications
期刊论文
JOURNAL OF PETROLEUM SCIENCE AND ENGINEERING, 2017
Dang, Wei
;
Zhang, Jinchuan
;
Wei, Xiaoliang
;
Tang, Xuan
;
Chen, Qian
;
Li, Zhongming
;
Zhang, Muchen
;
Liu, Jing
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Shale gas
Methane adsorption capacity
Langmuir model
Adsorption capacity estimation
Transitional shales
Southern North China Basin
NORTHEASTERN BRITISH-COLUMBIA
CRETACEOUS GAS SHALES
ORGANIC-MATTER
SORPTION CAPACITY
PORE STRUCTURE
HIGH-PRESSURE
SURFACE-AREA
SYSTEMS
STORAGE
ROCKS
Modular electron-transport chains from eukaryotic organelles function to support nitrogenase activity
期刊论文
PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA, 2017
Yang, Jianguo
;
Xie, Xiaqing
;
Yang, Mingxuan
;
Dixon, Ray
;
Wang, Yi-Ping
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
nitrogen fixation
electron transport
plant organelles
nitrogenase engineering
PLANT-TYPE FERREDOXINS
IRON-ONLY NITROGENASE
FE-PROTEIN
RHODOBACTER-CAPSULATUS
AZOTOBACTER-VINELANDII
GENE-PRODUCT
FIXATION
REDUCTASE
OXIDOREDUCTASE
CYANOBACTERIA
同呼吸共命运:线粒体呼吸链超级复合物
期刊论文
自然杂志, 2017
郭润域
;
杨茂君
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
能量代谢
呼吸体
线粒体疾病
energy metabolism
respirasome
mitochondrial disease
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