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科研机构
北京大学 [84]
内容类型
期刊论文 [59]
其他 [22]
会议论文 [3]
发表日期
2017 [7]
2016 [8]
2015 [9]
2014 [8]
2013 [4]
2012 [10]
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共84条,第1-10条
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专题:北京大学
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Critical climate periods for grassland productivity on China's Loess Plateau
期刊论文
AGRICULTURAL AND FOREST METEOROLOGY, 2017
Guo, Liang
;
Cheng, Jimin
;
Luedeling, Eike
;
Koerner, Sally E.
;
He, Jin-Sheng
;
Xu, Jianchu
;
Gang, Chengcheng
;
Li, Wei
;
Luo, Ruimin
;
Peng, Changhui
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Aboveground net primary productivity (ANPP)
Partial least squares regression (PLS)
Precipitation
Temperate grassland
Temperature
Timing of climate variability
NET PRIMARY PRODUCTIVITY
PRECIPITATION VARIABILITY
ABOVEGROUND PRODUCTIVITY
SEASONAL PRECIPITATION
INTERANNUAL VARIATION
RAINFALL VARIABILITY
TEMPERATE GRASSLAND
TEMPORAL VARIATION
MESIC GRASSLAND
NORTH-AMERICAN
Large southward motion and clockwise rotation of Indochina throughout the Mesozoic: Paleomagnetic and detrital zircon U-Pb geochronological constraints
期刊论文
EARTH AND PLANETARY SCIENCE LETTERS, 2017
Yan, Yonggang
;
Huang, Baochun
;
Zhao, Jie
;
Zhang, Donghai
;
Liu, Xiaohui
;
Charusiri, Punya
;
Veeravinantanakul, Apivut
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
paleomagnetism
U-Pb geochronology
Indochina
Mesozoic
Tectonics
POLAR WANDER PATH
SONGPAN-GANZI COMPLEX
RIVER SHEAR ZONE
TECTONIC IMPLICATIONS
NORTHERN THAILAND
KHORAT GROUP
FOLD TEST
SE ASIA
GEOLOGICAL EVOLUTION
INDOSINIAN OROGENY
Activation of persulfates by natural magnetic pyrrhotite for water disinfection: Efficiency, mechanisms, and stability
期刊论文
WATER RESEARCH, 2017
Xia, Dehua
;
Li, Yan
;
Huang, Guocheng
;
Yin, Ran
;
An, Taicheng
;
Li, Guiying
;
Zhao, Huijun
;
Lu, Anhuai
;
Wong, Po Keung
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Natural pyrrhotite
Persulfate
Sulfate radical
Water disinfection
Heterogeneous catalysis
URBAN WASTE-WATER
DRIVEN PHOTOCATALYTIC INACTIVATION
VISIBLE-LIGHT IRRADIATION
ESCHERICHIA-COLI
HETEROGENEOUS ACTIVATION
BACTERIAL INACTIVATION
ORGANIC POLLUTANTS
HYDROGEN-PEROXIDE
SULFATE RADICALS
TREATMENT PLANTS
The indirect and direct pathways between physical fitness and academic achievement on commencement in post-compulsory education in a historical cohort of Danish school youth
其他
2017-01-01
Andersen, Mikkel Porsborg
;
Starkof, Liis
;
Sessa, Maurizio
;
Mortensen, Rikke Normark
;
Vardinghus-Nielsen, Henrik
;
Boggild, Henrik
;
Lange, Theis
;
Torp-Pedersen, Christian
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2017/12/03
Physical fitness
Academic achievement
Post-compulsory education
Scholastic abilities
Causal inference
Mediation analysis
CIVIL REGISTRATION SYSTEM
AEROBIC FITNESS
PREADOLESCENT CHILDREN
ELEMENTARY-SCHOOL
SELF-ESTEEM
EXERCISE
HEALTH
ASSOCIATION
PERFORMANCE
CHILDHOOD
An Intermediate Band Material K2CdSnSe4 and Its Visible-Light Photocatalytic Activity
期刊论文
CHEMISTRYSELECT, 2017
Sun, Baohua
;
He, Jianqiao
;
Song, Changsheng
;
Wang, Dong
;
Bu, Kejun
;
Yin, Guoheng
;
Zhang, Xian
;
Huang, Fuqiang
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2017/12/03
intermediate band
photocatalyst
quaternary compound
semiconductor
ZNS QUANTUM DOTS
CRYSTAL-STRUCTURE
ELECTRONIC-STRUCTURE
EMITTING-DIODES
SOLAR-CELLS
CDSE
CDTE
NANOCRYSTALS
SN
PHOTOLUMINESCENCE
Experimental and theoretical studies on inter-fiber failure of unidirectional polymer-matrix composites under different strain rates
期刊论文
INTERNATIONAL JOURNAL OF SOLIDS AND STRUCTURES, 2017
Tao, Yong
;
Chen, Haosen
;
Yao, Kai
;
Lei, Hongshuai
;
Pei, Yongmao
;
Fang, Daining
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Polymer-matrix composites
Strain rate effect
Strength
Failure theory
FIBER-REINFORCED COMPOSITES
COMBINED TRANSVERSE COMPRESSION
AS4/PEEK COMPOSITE
COMPUTATIONAL MICROMECHANICS
GLASS/EPOXY COMPOSITES
INELASTIC BEHAVIOR
PART I
SHEAR
STRENGTH
DEFORMATION
Exploring mutual information-based sentimental analysis with kernel-based extreme learning machine for stock prediction
期刊论文
SOFT COMPUTING, 2017
Wang, Feng
;
Zhang, Yongquan
;
Rao, Qi
;
Li, Kangshun
;
Zhang, Hao
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Stock prediction
Sentimental analysis
Mutual information
Extreme learning machine
Optimization
NEURAL-NETWORK
WEIGHTS
Interactions of 1-hydroxypyrene with bovine serum albumin: insights from multi-spectroscopy, docking and molecular dynamics simulation methods
期刊论文
RSC ADVANCES, 2016
Zhang, Jing
;
Chen, Weixiao
;
Tang, Bowen
;
Zhang, Wei
;
Chen, Linfeng
;
Duan, Ying
;
Zhu, Yuxiu
;
Zhu, Yaxian
;
Zhang, Yong
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
POLYCYCLIC AROMATIC-HYDROCARBONS
BINDING-SITE
SUBDOMAIN IB
PROTEIN
FLUORESCENCE
SPECTRA
PYRENE
ACID
DRUG
RIBOFLAVIN
Distillation of News Flow Into Analysis of Stock Reactions
其他
2016-01-01
Zhang, Junni L.
;
Hardle, Wolfgang K.
;
Chen, Cathy Y.
;
Bommes, Elisabeth
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Attention analysis
Investor sentiment
Returns
Sector analysis
Trading volume
Volatility simulation
INFORMATION-CONTENT
CONFIDENCE BANDS
VOLATILITY
MARKETS
MODEL
RISK
ESTIMATORS
REGRESSION
ATTENTION
SENTIMENT
Structural Vulnerability Analysis in Complex Networks Based on Core Theory
其他
2016-01-01
Zhang, Kan
;
Jiang, Fei
;
Zuo, Yang
;
Niu, Yunyun
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
complex network
structural vulnerability
core and coritivity
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