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科研机构
北京大学 [1186]
内容类型
期刊论文 [1037]
其他 [133]
会议论文 [16]
发表日期
2017 [133]
2016 [153]
2015 [117]
2014 [111]
2013 [104]
2012 [86]
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专题:北京大学
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丝绸之路经济带交通运输的时空演化特征及对经济发展的影响
期刊论文
干旱区地理, 2017
方嘉雯
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
丝绸之路经济带
交通网络发育程度
交通运输能力
时空演化特征
Silk Road Economic Belt (SREB)
track network development
traffic capacity
spatial-temporal evolution
Spatiotemporal Assessment of Forest Biomass Carbon Sinks: The Relative Roles of Forest Expansion and Growth in Sichuan Province, China
期刊论文
JOURNAL OF ENVIRONMENTAL QUALITY, 2017
Li, Renqiang
;
Zhao, Shujie
;
Zhao, Haifeng
;
Xu, Ming
;
Zhang, Liyun
;
Wen, Hui
;
Sheng, Qingkai
收藏
  |  
浏览/下载:111/0
  |  
提交时间:2017/12/03
INVENTORY DATA
UNITED-STATES
STORAGE
EQUATIONS
DENSITY
STOCK
Quantifying the evidence for co-benefits between species conservation and climate change mitigation in giant panda habitats
期刊论文
SCIENTIFIC REPORTS, 2017
Li, Renqiang
;
Xu, Ming
;
Powers, Ryan
;
Zhao, Fen
;
Jetz, Walter
;
Wen, Hui
;
Sheng, Qingkai
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
PROTECTED AREAS
FOREST-CARBON
ECOSYSTEM SERVICES
BIODIVERSITY
CHINA
DEFORESTATION
EMISSIONS
LANDSCAPE
IMPACTS
SEQUESTRATION
Carbon stocks and changes of dead organic matter in China's forests
期刊论文
NATURE COMMUNICATIONS, 2017
Zhu, Jianxiao
;
Hu, Huifeng
;
Tao, Shengli
;
Chi, Xiulian
;
Li, Peng
;
Jiang, Lai
;
Ji, Chengjun
;
Zhu, Jiangling
;
Tang, Zhiyao
;
Pan, Yude
;
Birdsey, Richard A.
;
He, Xinhua
;
Fang, Jingyun
收藏
  |  
浏览/下载:116/0
  |  
提交时间:2017/12/03
COARSE WOODY DEBRIS
BIOMASS CARBON
RELATIVE CONTRIBUTIONS
TEMPERATE FORESTS
CLIMATE-CHANGE
UNITED-STATES
ECOSYSTEMS
DYNAMICS
GROWTH
DISTURBANCE
Retrieving the gap fraction, element clumping index, and leaf area index of individual trees using single-scan data from a terrestrial laser scanner
期刊论文
ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2017
Li, Yumei
;
Guo, Qinghua
;
Su, Yanjun
;
Tao, Shengli
;
Zhao, Kaiguang
;
Xu, Guangcai
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Destructive sample
Extinction coefficient
Single scanning
Terrestrial laser scanning
Riegl VZ-400
GROUND-BASED LIDAR
HEMISPHERICAL PHOTOGRAPHY
ANGLE DISTRIBUTION
FOREST STRUCTURE
PLANT CANOPIES
BOREAL FORESTS
STANDS
ARCHITECTURE
DERIVATION
DENSITY
Numerical Study of Erosion, Heating, and Acceleration of the Magnetic Cloud as Impacted by Fast Shock
期刊论文
ASTROPHYSICAL JOURNAL, 2017
Mao, Shoudi
;
He, Jiansen
;
Zhang, Lei
;
Yang, Liping
;
Wang, Linghua
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
magnetic reconnection
shock waves
Sun: coronal mass ejection (CMEs)
Sun: solar wind
CORONAL MASS EJECTIONS
INTERPLANETARY SPACE
GEOMAGNETIC STORMS
COMPLEX EJECTA
FLUX ROPES
SIMULATION
RECONNECTION
HELIOSPHERE
MAGNETOHYDRODYNAMICS
PROPAGATION
Relic Oceanic Crust at Sub-Arc Depth: An Example from UHP Eclogites Enclosed in Serpentinites from the Southwestern Tianshan, China
期刊论文
ACTA GEOLOGICA SINICA-ENGLISH EDITION, 2017
Shen, Tingting
;
Zhang, Lifei
;
Hermann, Joerg
;
Liu, Fenglin
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
EXHUMATION
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
Integrating multi-source big data to infer building functions
期刊论文
INTERNATIONAL JOURNAL OF GEOGRAPHICAL INFORMATION SCIENCE, 2017
Niu, Ning
;
Liu, Xiaoping
;
Jin, He
;
Ye, Xinyue
;
Liu, Yu
;
Li, Xia
;
Chen, Yimin
;
Li, Shaoying
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Multi-source big data
density-based method
building functions
LAND-USE CLASSIFICATION
HUMAN MOBILITY
TIME-SERIES
PATTERNS
COVER
LIMITATIONS
AREAS
CITY
The Pobei Cu-Ni and Fe ore deposits in NW China are comagmatic evolution products: evidence from ore microscopy, zircon U-Pb chronology and geochemistry
期刊论文
GEOLOGICA ACTA, 2017
Liu, Y. G.
;
Li, W. Y.
;
Lue, X. B.
;
Huo, Y. H.
;
Zhang, B.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Magmatic Cu-Ni sulfide deposit
Xiaochangshan Fe deposit
Crystallization differentiation
Magnetite-mineralized gabbro
Beishan
Early Permian
MAFIC-ULTRAMAFIC INTRUSIONS
MAGMATIC SULFIDE DEPOSITS
PLATINUM-GROUP ELEMENTS
EASTERN TIANSHAN
TRACE-ELEMENT
OROGENIC BELT
SILICATE MELT
CENTRAL-ASIA
ICP-MS
FRACTIONAL CRYSTALLIZATION
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