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科研机构
北京大学 [583]
内容类型
期刊论文 [463]
其他 [115]
会议论文 [5]
发表日期
2017 [55]
2016 [62]
2015 [71]
2014 [50]
2013 [60]
2012 [56]
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共583条,第1-10条
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专题:北京大学
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Range shifts in response to climate, change of Ophiocordyceps sinensis, a fungus endemic to the Tibetan Plateau
期刊论文
BIOLOGICAL CONSERVATION, 2017
Yan, Yujing
;
Li, Yi
;
Wang, Wen-Jing
;
He, Jin-Sheng
;
Yang, Rui-Heng
;
Wu, Hai-Jun
;
Wang, Xiao-Liang
;
Jiao, Lei
;
Tang, Zhiyao
;
Yao, Yi-Jian
收藏
  |  
浏览/下载:109/0
  |  
提交时间:2017/12/03
Climate change
Distribution
Species distribution model
Fungi
Cordyceps sinensis
Tibetan Plateau
SPECIES DISTRIBUTION MODELS
IMPACTS
ACCURACY
PATTERNS
AREA
DISTRIBUTIONS
PRODUCTIVITY
VEGETATION
DIVERSITY
DYNAMICS
Development of a land surface model with coupled snow and frozen soil physics
期刊论文
WATER RESOURCES RESEARCH, 2017
Wang, Lei
;
Zhou, Jing
;
Qi, Jia
;
Sun, Litao
;
Yang, Kun
;
Tian, Lide
;
Lin, Yanluan
;
Liu, Wenbin
;
Shrestha, Maheswor
;
Xue, Yongkang
;
Koike, Toshio
;
Ma, Yaoming
;
Li, Xiuping
;
Chen, Yingying
;
Chen, Deliang
;
Piao, Shilong
;
Lu, Hui
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
BIOSPHERE HYDROLOGICAL MODEL
ATMOSPHERE TRANSFER SCHEME
SIMULTANEOUS HEAT
MASS-TRANSFER
TIBETAN PLATEAU
WATER DYNAMICS
COLD REGION
COVER
PARAMETERIZATION
INFILTRATION
Paleomagnetic age of the Tangxian planation surface, northwestern Zhongtiao Shan of the Shanxi Graben System, North China
期刊论文
GEOMORPHOLOGY, 2017
Xiong, Jianguo
;
Li, Youli
;
Zhong, Yuezhi
;
Si, Supei
;
Lei, Jinghao
;
Xin, Weilin
;
Hu, Xiu
;
Yao, Yifan
收藏
  |  
浏览/下载:116/0
  |  
提交时间:2017/12/03
Planation surface
Magnetostratigraphy
Tectonic uplift
Shanxi Graben System
LOESS-PALEOSOL SEQUENCE
TIBETAN PLATEAU
CLIMATE-CHANGE
LIUPAN SHAN
MA
EVOLUTION
BASIN
MAGNETOSTRATIGRAPHY
PROVINCE
ORIGIN
Recent increases in terrestrial carbon uptake at little cost to the water cycle
期刊论文
NATURE COMMUNICATIONS, 2017
Cheng, Lei
;
Zhang, Lu
;
Wang, Ying-Ping
;
Canadell, Josep G.
;
Chiew, Francis H. S.
;
Beringer, Jason
;
Li, Longhui
;
Miralles, Diego G.
;
Piao, Shilong
;
Zhang, Yongqiang
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2017/12/03
USE EFFICIENCY
STOMATAL CONDUCTANCE
ATMOSPHERIC CO2
CLIMATE-CHANGE
GLOBAL-SCALE
VEGETATION
DIOXIDE
EVAPOTRANSPIRATION
TRANSPIRATION
TRENDS
Bias and association of sediment organic matter source apportionment indicators: A case study in a eutrophic Lake Chaohu, China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Xu, Fu-Liu
;
Yang, Chen
;
He, Wei
;
He, Qi-Shuang
;
Li, Yi-Long
;
Kang, Lei
;
Liu, Wen-Xiu
;
Xiong, Yong-Qiang
;
Xing, Baoshan
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
Sediments organic matter
Source apportionment
Lipid molecular biomarkers
Isotope fingerprinting
Lake Chaohu
N-ALKANES
PHYTOPLANKTON COMMUNITY
SURFACE SEDIMENT
ISOTOPE RATIOS
FATTY-ACIDS
CARBON
HYDROCARBONS
RIVER
CORE
DISTRIBUTIONS
The chemical and isotopic compositions of volatiles in magmatic hydrothermal fluids beneath the Songliao Basin, northeastern China
期刊论文
CHEMICAL GEOLOGY, 2017
Gao, Jinliang
;
Liu, Jiaqi
;
Hilton, David R.
;
Meng, Fanchao
;
Li, Zhongping
;
Zhai, Lina
;
Sun, Chunqing
;
Zhang, Lei
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Quartz vein
Fluid inclusions
Gas geochemistry
Songliao Basin
NE CHINA
HYPERALKALINE SPRINGS
ABIOGENIC METHANE
FAULT-DEPRESSION
EASTERN CHINA
CARBON
CONSTRAINTS
ORIGIN
CO2
FRACTIONATION
Zircon U-Pb-Hf isotopic and whole-rock geochemical studies of Paleoproterozoic metasedimentary rocks in the northern segment of the Jiao-Liao-Ji Belt, China: Implications for provenance and regional tectonic evolution
期刊论文
PRECAMBRIAN RESEARCH, 2017
Meng, En
;
Wang, Chao-Yang
;
Li, Yan-Guang
;
Li, Zhuang
;
Yang, Hong
;
Cai, Jia
;
Ji, Lei
;
Jin, Meng-Qi
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Paleoproterozoic metasedimentary rocks
North Liaohe and Laoling groups
Zircon U-Pb geochronology
Lu-Hf isotopes
Tectonic setting
Jiao-Liao-Ji Belt
LA-ICP-MS
ARCHEAN CRUSTAL EVOLUTION
ULTRAHIGH-TEMPERATURE METAMORPHISM
HIGH-PRESSURE METAMORPHISM
PENNSYLVANIAN-PERMIAN AGE
CRATON KEY ISSUES
FUPING COMPLEX
LU-HF
DETRITAL ZIRCONS
EASTERN BLOCK
Influence of Intermittency on the Quasi-perpendicular Scaling in Three-dimensional Magnetohydrodynamic Turbulence
期刊论文
ASTROPHYSICAL JOURNAL, 2017
Yang, Liping
;
He, Jiansen
;
Tu, Chuanyi
;
Li, Shengtai
;
Zhang, Lei
;
Wang, Xin
;
Marsch, Eckart
;
Wang, Linghua
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
magnetohydrodynamics (MHD)
solar wind
turbulence
SOLAR-WIND INTERMITTENCY
ALFVENIC TURBULENCE
MAGNETIC-FIELD
MHD TURBULENCE
ANISOTROPY
FLUCTUATIONS
SIMULATIONS
VELOCITY
Multiscale Pressure-Balanced Structures in Three-dimensional Magnetohydrodynamic Turbulence
期刊论文
ASTROPHYSICAL JOURNAL, 2017
Yang, Liping
;
He, Jiansen
;
Tu, Chuanyi
;
Li, Shengtai
;
Zhang, Lei
;
Marsch, Eckart
;
Wang, Linghua
;
Wang, Xin
;
Feng, Xueshang
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
solar wind
turbulence
waves
UNSPLIT GODUNOV METHOD
SOLAR-WIND
BOUNDARY-LAYERS
MAGNETIC-FIELD
ROTATIONAL DISCONTINUITIES
CONSTRAINED TRANSPORT
STRUCTURES DRIVEN
MHD TURBULENCE
MODE WAVES
IDEAL MHD
In vitro Dosimetric Study of Biliary Stent Loaded with Radioactive I-125 Seeds
其他
2017-01-01
Yao, Li-Hong
;
Wang, Jun-Jie
;
Shang, Charles
;
Jiang, Ping
;
Lin, Lei
;
Sun, Hai-Tao
;
Liu, Lu
;
Liu, Hao
;
He, Di
;
Yang, Rui-Jie
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Brachytherapy
Computer Simulation
Phantom
Radiometry
Thermoluminescent Dosimetry
RADIOTHERAPY DOSE PERTURBATION
MALIGNANT OBSTRUCTIVE-JAUNDICE
BILE-DUCT CARCINOMA
INTRALUMINAL BRACHYTHERAPY
RADIATION-THERAPY
ESOPHAGEAL STENTS
TRACT CANCER
MODEL
TRIAL
RECOMMENDATIONS
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