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科研机构
北京大学 [54]
内容类型
期刊论文 [47]
其他 [5]
会议论文 [2]
发表日期
2017 [11]
2016 [5]
2015 [3]
2014 [3]
2013 [5]
2012 [5]
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专题:北京大学
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Increasing temperature reduces the coupling between available nitrogen and phosphorus in soils of Chinese grasslands
期刊论文
SCIENTIFIC REPORTS, 2017
Geng, Yan
;
Baumann, Frank
;
Song, Chao
;
Zhang, Mi
;
Shi, Yue
;
Kuhn, Peter
;
Scholten, Thomas
;
He, Jin-Sheng
收藏
  |  
浏览/下载:101/0
  |  
提交时间:2017/12/03
N-P RATIOS
TIBETAN PLATEAU
TERRESTRIAL ECOSYSTEMS
SEMIARID GRASSLAND
ORGANIC-MATTER
CLIMATE-CHANGE
LEAF-N
PLANT
STOICHIOMETRY
CARBON
Soil fungal diversity in natural grasslands of the Tibetan Plateau: associations with plant diversity and productivity
期刊论文
NEW PHYTOLOGIST, 2017
Yang, Teng
;
Adams, Jonathan M.
;
Shi, Yu
;
He, Jin-sheng
;
Jing, Xin
;
Chen, Litong
;
Tedersoo, Leho
;
Chu, Haiyan
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
diversity coupling
plant diversity
primary productivity
productivity-diversity relationship
soil fungal diversity
Tibetan Plateau
ARBUSCULAR MYCORRHIZAL FUNGI
SPECIES-ENERGY THEORY
BELOW-GROUND BIODIVERSITY
COMMUNITY STRUCTURE
TERRESTRIAL ECOSYSTEMS
VASCULAR PLANTS
FOREST SOIL
PATTERNS
RICHNESS
CARBON
基于多维视角的“城市病”诊断分析及其风险预估研究进展与发展趋势
期刊论文
地理科学进展, 2017
王晓玥
;
李双成
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  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
城市病
城镇化
诊断分析
风险预估
进展与展望
urban problem
urbanization
diagnostic analysis
risk prediction
progress and prospect
区域生态安全格局构建研究进展与展望
期刊论文
地理研究, 2017
彭建
;
赵会娟
;
刘焱序
;
吴健生
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
生态安全格局
生态源地
生态廊道
阻力面
研究进展与展望
ecological security patterns
ecological source
ecological corridor
resistance surface
research progress and prospect
Air quality and its response to satellite-derived urban form in the Yangtze River Delta, China
期刊论文
ECOLOGICAL INDICATORS, 2017
She, Qiannan
;
Peng, Xia
;
Xu, Qian
;
Long, Lingbo
;
Wei, Ning
;
Liu, Min
;
Jia, Wenxiao
;
Zhou, Taoye
;
Han, Ji
;
Xiang, Weining
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Urban air pollution
Urban form
Landscape metrics
Buffer distances
Yangtze River Delta
FIELD POLLUTANT DISPERSION
STREET CANYONS
UNITED-STATES
US CITIES
PM2.5
CITY
SUSTAINABILITY
TRANSPORT
IMPACTS
DEMAND
Van Allen Probes observation of a 360 degrees phase shift in the flux modulation of injected electrons by ULF waves
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2017
Chen, X.R.
;
Zong, Q.G.
;
Zhou, X.Z.
;
Blake, J. Bernard
;
Wygant, J. R.
;
Kletzing, C. A.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
CHARGED-PARTICLE BEHAVIOR
RADIATION-BELT ELECTRONS
RELATIVISTIC ELECTRONS
ENERGETIC ELECTRONS
GEOSTATIONARY ORBIT
INNER MAGNETOSPHERE
SPACE DENSITY
ACCELERATION
SUBSTORMS
SIMULATION
喜马拉雅降水势能与剥蚀强度时空对应的定量研究
期刊论文
地质科学, 2017
王峰伊
;
季建清
;
于祥江
;
涂继耀
;
钟大赉
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
降水势能
喜马拉雅
磷灰石裂变径迹
剥蚀
气候与地貌
Precipitation potential energy
Himalayas
Apatite fission track
Erosion
Climate and geomorphology
Moderate oxidation levels of Ru nanoparticles enhance molecular oxygen activation for crossdehydrogenative- coupling reactions via single electron transfer
期刊论文
RSC ADVANCES, 2017
Lin, Mu
;
Dai, Lin-Xiu
;
Gu, Jun
;
Kang, Li-Qun
;
Wang, Yu-Hao
;
Si, Rui
;
Zhao, Ze-Qiong
;
Liu, Wen-Chi
;
Fu, Xuefeng
;
Sun, Ling-Dong
;
Zhang, Ya-Wen
;
Yan, Chun-Hua
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
SHAPE-CONTROLLED SYNTHESIS
CARBON BOND FORMATION
PLATINUM NANOPARTICLES
SUPERCRITICAL WATER
TERMINAL ALKYNES
NANOCRYSTALS
CATALYSTS
HYDROGENATION
XPS
FUNCTIONALIZATION
Heterogeneous synergistic catalysis by Ru-RuO (x) nanoparticles for Se-Se bond activation
期刊论文
NANO RESEARCH, 2017
Lin, Mu
;
Kang, Liqun
;
Gu, Jun
;
Dai, Linxiu
;
Tang, Shengbo
;
Zhang, Tao
;
Wang, Yuhao
;
Li, Lindong
;
Zheng, Xiaoyu
;
Zhu, Wei
;
Si, Rui
;
Fu, Xuefeng
;
Sun, Lingdong
;
Zhang, Yawen
;
Yan, Chunhua
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
nanoparticle
ruthenium
selenium
heterogeneous catalysis
synergistic effect
ONE-POT SYNTHESIS
COUPLING REACTIONS
OXYGEN REDUCTION
RUTHENIUM CATALYSTS
SELECTIVE REDUCTION
AMBIENT CONDITIONS
DFT CALCULATIONS
IN-SITU
COMPLEXES
NANOCRYSTALS
Study of mechanical-magnetic and electromagnetic properties of PZT/Ni film systems by a novel bulge technique
期刊论文
JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS, 2017
Liu, Q.
;
Zhou, W.
;
Ding, J.
;
Xiao, M.
;
Yu, Z. J.
;
Xu, H.
;
Mao, W. G.
;
Pei, Y. M.
;
Li, F. X.
;
Feng, X.
;
Fang, D. N.
收藏
  |  
浏览/下载:27/0
  |  
提交时间:2017/12/03
Mechanical-electronic-magnetic
Bulge test
Delta E effect
Electromagnetic material
THIN-FILM
DEPENDENCE
MODULUS
SURFACE
INTERFEROMETRY
NICKEL
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