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科研机构
北京大学 [349]
内容类型
期刊论文 [243]
其他 [99]
会议论文 [7]
发表日期
2017 [70]
2016 [58]
2015 [61]
2014 [28]
2013 [16]
2012 [22]
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专题:北京大学
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Environmental reconstruction and dating of Shizitan 29, Shanxi Province: An early microblade site in north China
期刊论文
JOURNAL OF ARCHAEOLOGICAL SCIENCE, 2017
Song, Yanhua
;
Cohen, David J.
;
Shi, Jinming
;
Wu, Xiaohong
;
Kvavadze, Eliso
;
Goldberg, Paul
;
Zhang, Shuangquan
;
Zhang, Yue
;
Bar-Yosef, Ofer
收藏
  |  
浏览/下载:29/0
  |  
提交时间:2017/12/03
North China
Shizitan site
Last Glacial Maximum
Micromorphology
Non-pollen palynomorphs
BONE PRETREATMENT METHODS
LAST GLACIAL MAXIMUM
LATE PLEISTOCENE
CLIMATE-CHANGE
WILD FLAX
EXPLOITATION
NETHERLANDS
TECHNOLOGY
FIBERS
BP
Comparing microbial carbon sequestration and priming in the subsoil versus topsoil of a Qinghai-Tibetan alpine grassland
期刊论文
SOIL BIOLOGY & BIOCHEMISTRY, 2017
Jia, Juan
;
Feng, Xiaojuan
;
He, Jin-Sheng
;
He, Hongbo
;
Lin, Li
;
Liu, Zongguang
收藏
  |  
浏览/下载:122/0
  |  
提交时间:2017/12/03
Warming
Priming effect
Amino sugar C-13
Microbial necromass
Carbon accumulation efficiency (CAE)
SOC degradability
SOIL ORGANIC-MATTER
FUMIGATION-EXTRACTION METHOD
USE EFFICIENCY
CLIMATE-CHANGE
AMINO SUGAR
BIOMASS-C
DECOMPOSITION
PLATEAU
AVAILABILITY
STABILIZATION
Anatomical responses of leaf and stem of Arabidopsis thaliana to nitrogen and phosphorus addition
期刊论文
JOURNAL OF PLANT RESEARCH, 2017
Cai, Qiong
;
Ji, Chengjun
;
Yan, Zhengbing
;
Jiang, Xingxing
;
Fang, Jingyun
收藏
  |  
浏览/下载:120/0
  |  
提交时间:2017/12/03
Anatomical traits
Arabidopsis thaliana
Leaf
Nitrogen and phosphorus addition
Stem
PHENOTYPIC PLASTICITY
HYBRID POPLAR
ENVIRONMENTAL-CHANGE
NUTRIENT LIMITATION
STOMATAL DENSITY
ROOT-SYSTEM
XYLEM
EVOLUTION
DROUGHT
GROWTH
Coupling between Mercury and its nightside magnetosphere: Cross-tail current sheet asymmetry and substorm current wedge formation
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2017
Poh, Gangkai
;
Slavin, James A.
;
Jia, Xianzhe
;
Raines, Jim M.
;
Imber, Suzanne M.
;
Sun, Wei-Jie
;
Gershman, Daniel J.
;
DiBraccio, Gina A.
;
Genestreti, Kevin J.
;
Smith, Andy W.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Mercury
cross-tail current sheet
asymmetry
substorm current wedge
magnetotail
MAGNETOTAIL CURRENT SHEET
MESSENGER OBSERVATIONS
PLASMA SHEET
MAGNETIC-FIELD
SPATIAL-DISTRIBUTION
DISTANT MAGNETOTAIL
MAVEN OBSERVATIONS
RECONNECTION
DIPOLARIZATION
MAGNETOPAUSE
MESSENGER observations of the energization and heating of protons in the near-Mercury magnetotail
期刊论文
GEOPHYSICAL RESEARCH LETTERS, 2017
Sun, W. J.
;
Raines, J. M.
;
Fu, S. Y.
;
Slavin, J. A.
;
Wei, Y.
;
Poh, G. K.
;
Pu, Z. Y.
;
Yao, Z. H.
;
Zong, Q. G.
;
Wan, W. X.
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
proton energization and heating
substorm at Mercury
dipolarization
dawn-dusk distributions
suprathermal particle flux
PLASMA SHEET
MAGNETIC-FIELD
SPATIAL-DISTRIBUTION
GEOTAIL OBSERVATIONS
KAPPA-DISTRIBUTIONS
LOW-ENERGY
MAGNETOSPHERE
PARTICLE
RECONNECTION
ELECTRONS
基于交叉验证法探究砾岩储集层特征及对化学驱油剂损耗的影响
期刊论文
科学技术与工程, 2017
张恩瑜
;
师永民
;
张国山
;
侯军伟
;
许可
;
梁耀欢
;
张志强
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2017/12/03
七东1区
克下组
砾岩油藏
留一法
交叉验证
Petrel建模
east district 7(1)
lower Karamay formation
conglomerate reservoir
leave-one-out
cross validation
Petrel modeling
New Apatite Fission-Track Ages of the Western Kuqa Depression: Implications for the Mesozoic–Cenozoic Tectonic Evolution of South Tianshan, Xinjiang
期刊论文
Acta Geologica Sinica, 2017
Yang Wei
;
Li Jianfeng
;
Guo Zhaojie
;
Marc Jolivet
;
Gloria Heilbronn
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
apatite fission track
uplift
exhumation
Kuqa depression
South Tianshan
Proto-Tethys
New Apatite Fission-Track Ages of the Western Kuqa Depression: Implications for the Mesozoic-Cenozoic Tectonic Evolution of South Tianshan, Xinjiang
期刊论文
ACTA GEOLOGICA SINICA-ENGLISH EDITION, 2017
Yang, Wei
;
Li, Jianfeng
;
Guo, Zhaojie
;
Jolivet, Marc
;
Heilbronn, Gloria
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
apatite fission track
uplift
exhumation
Kuqa depression
South Tianshan
Proto-Tethys
CHINESE TIEN-SHAN
DETRITAL ZIRCON GEOCHRONOLOGY
BASIN-RANGE INTERACTIONS
ASIAN OROGENIC BELT
NORTHWEST CHINA
TARIM BASIN
JUNGGAR BASIN
NW CHINA
GEODYNAMIC EVOLUTION
PALEOZOIC ACCRETION
New Apatite Fission-Track Ages of the Western Kuqa Depression:Implications for the Mesozoic-Cenozoic Tectonic Evolution of South Tianshan, Xinjiang
期刊论文
地质学报(英文版), 2017
LI Jianfeng
;
GUO Zhaojie
;
Marc JOLIVET
;
Gloria HEILBRONN
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
apatite fission track uplift exhumation Kuqa depression South Tianshan Proto-Tethys
apatite fission track
uplift
exhumation
Kuqa depression
South Tianshan
Proto-Tethys
Forecasting cointegrated nonstationary time series with time-varying variance
其他
2017-01-01
Tu, Yundong
;
Yi, Yanping
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Cointegration
Error correction model
Model averaging
Pre-testing
Time-varying variance
ERROR-CORRECTION MODELS
INFORMATION CRITERION
EMPIRICAL-EXAMINATION
STATIONARITY TESTS
REDUCED RANK
SELECTION
PERFORMANCE
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