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科研机构
北京大学 [475]
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期刊论文 [393]
其他 [75]
会议论文 [7]
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2017 [31]
2016 [35]
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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
Shift in soil microbial communities with shrub encroachment in Inner Mongolia grasslands, China
期刊论文
EUROPEAN JOURNAL OF SOIL BIOLOGY, 2017
Li, He
;
Zhang, Jianhua
;
Hu, Huifeng
;
Chen, Leiyi
;
Zhu, Yankun
;
Shen, Haihua
;
Fang, Jingyun
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Climate factors
Edaphic factors
Microbial community
PLFA
Shrub encroachment
WOODY PLANT ENCROACHMENT
PHOSPHOLIPID FATTY-ACID
CARBON SEQUESTRATION
SEMIARID GRASSLANDS
FUNGAL COMMUNITIES
LAND-USE
PHOSPHORUS
BACTERIAL
ECOSYSTEM
IMPACTS
Effects of nitrogen deposition on soil microbial communities in temperate and subtropical forests in China
期刊论文
SCIENCE OF THE TOTAL ENVIRONMENT, 2017
Tian, Di
;
Jiang, Lai
;
Ma, Suhui
;
Fang, Wenjing
;
Schmid, Bernhard
;
Xu, Longchao
;
Zhu, Jianxiao
;
Li, Peng
;
Losapio, Gianalberto
;
Jing, Xin
;
Zheng, Chengyang
;
Shen, Haihua
;
Xu, Xiaoniu
;
Zhu, Biao
;
Fang, Jingyun
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Forest ecosystem
Microbial biomass
Microbial community
N deposition
PLFA
NORTHERN HARDWOOD FORESTS
ARBUSCULAR MYCORRHIZAL FUNGI
BOREAL FOREST
PLANT DIVERSITY
HARVARD FOREST
BACTERIAL
ADDITIONS
BIOMASS
FERTILIZATION
CARBON
Changes in nutrient concentrations of leaves and roots in response to global change factors
期刊论文
GLOBAL CHANGE BIOLOGY, 2017
Sardans, Jordi
;
Grau, Oriol
;
Chen, Han Y. H.
;
Janssens, Ivan A.
;
Ciais, Philippe
;
Piao, Shilong
;
Penuelas, Josep
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/03
CO2
drought
ecological stoichiometry
N deposition
N:P
nitrogen
phosphorus
PHOSPHORUS FERTILIZATION
NITROGEN-FERTILIZATION
PRIMARY PRODUCTIVITY
INSECT HERBIVORE
PLANT BIOMASS
SOIL
STOICHIOMETRY
DROUGHT
FOREST
CO2
Strain modelling of extensional fault-propagation folds based on an improved non-linear trishear model: A numerical simulation analysis
期刊论文
JOURNAL OF STRUCTURAL GEOLOGY, 2017
Zhao, Haonan
;
Guo, Zhaojie
;
Yu, Xiangjiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Strain analysis
Extensional fault-propagation fold
Trishear model
Numerical simulation
Shape factor
SUEZ-RIFT
EXAMPLES
EGYPT
SETTINGS
GEOMETRY
SEQUENCE
STYLE
Mantle seismic anisotropy beneath NE China and implications for the lithospheric delamination hypothesis beneath the southern Great Xing'an range
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Chen, Haichao
;
Niu, Fenglin
;
Obayashi, Masayuki
;
Grand, Stephen P.
;
Kawakatsu, Hitoshi
;
Chen, Y. John
;
Ning, Jieyuan
;
Tanaka, Satoru
收藏
  |  
浏览/下载:119/0
  |  
提交时间:2017/12/03
NE China
seismic anisotropy
lithosphere deformation
mantle flow
and delamination
CENOZOIC BASALTS
NORTHEAST CHINA
INNER-MONGOLIA
FLOW BENEATH
PACIFIC SLAB
ORIGIN
VOLCANISM
CRUSTAL
TOMOGRAPHY
PLATE
筇竹寺和五峰—龙马溪组页岩地震岩石物理等效模型及等效孔隙纵横比的分析(英文)
期刊论文
Applied Geophysics, 2017
杨志强
;
何涛
;
邹长春
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
筇竹寺组页岩
五峰-龙马溪组页岩
地震岩石物理
等效模型
等效孔隙纵横比
Qiongzhusi Wufeng-Longmaxi shale pore aspect ratio Gassman equation
塔里木盆地阿克苏地区下寒武统玉尔吐斯组两套黑色岩系的差异及成因
期刊论文
岩石学报, 2017
杨宗玉
;
罗平
;
刘波
;
刘策
;
马洁
;
陈斐然
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
玉尔吐斯组
黑色页岩
沉积学特征
地球化学特征
控制因素
Yurtus Formation
Black shale
Sedimentology characteristics
Geochemical features
Controlling factors
RARE-EARTH-ELEMENTS
YANGTZE GORGES AREA
SOUTH CHINA
DEPOSITIONAL ENVIRONMENT
SHALLOW SEAWATER
OCEANIC ANOXIA
ORGANIC-CARBON
TRACE-ELEMENTS
GEOCHEMISTRY
SHALES
A multispacecraft study of a small flux rope entrained by rolling back magnetic field lines
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-SPACE PHYSICS, 2017
Huang, Jia
;
Liu, Yong C.M.
;
Peng, Jun
;
Li, Hui
;
Klecker, Berndt
;
Farrugia, Charles J.
;
Yu, Wenyuan
;
Galvin, Antoinette B.
;
Zhao, Liang
;
He, Jiansen
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
small flux rope
rolling back magnetic field lines
interchange reconnection
solar wind
SOLAR-WIND TRANSIENTS
CORONAL STREAMERS
STATISTICAL-ANALYSIS
SECTOR BOUNDARIES
CURRENT-SHEET
1 AU
STEREO
PLASMA
ORIGIN
INVERSIONS
Phase equilibria modelling using major and trace element compositions of zoned garnet and clinopyroxene from southwestern Tianshan eclogites, China
期刊论文
JOURNAL OF ASIAN EARTH SCIENCES, 2017
Zhang, Lijuan
;
Chu, Xu
;
Zhang, Lifei
;
Du, Jinxue
收藏
  |  
浏览/下载:108/0
  |  
提交时间:2017/12/03
Eclogite
Aegirine
Pseudosection
Rare earth element
Southwestern Tianshan
ULTRAHIGH-PRESSURE METAMORPHISM
FLUID-ROCK INTERACTION
EFFECTIVE BULK-COMPOSITION
COESITE-BEARING ECLOGITE
SM-ND GEOCHRONOLOGY
HP-LT ROCKS
P-T PATH
WESTERN TIANSHAN
NW-CHINA
SUBDUCTION-ZONE
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