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科研机构
北京大学 [69]
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期刊论文 [45]
其他 [23]
研究报告 [1]
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2017 [5]
2016 [9]
2015 [7]
2014 [1]
2013 [12]
2012 [6]
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专题:北京大学
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随机波动模型的首中时问题
期刊论文
浙江大学学报(理学版), 2017
张苗
;
刘晖
;
张飞龙
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
随机波动CEV模型
首中时
鞅方法
联合拉普拉斯变换
Whittaker方程
stochastic volatility CEV model
first passage times
martingale method
joint Laplace transforms
Whittaker&
s equation
#39
Double-jump diffusion model for VIX: evidence from VVIX
其他
2017-01-01
Zang, Xin
;
Ni, Jun
;
Huang, Jing-Zhi
;
Wu, Lan
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Volatility indices
Volatility proxy
Co-jump
Monte Carlo Markov chain
Bayesian analysis
STOCHASTIC VOLATILITY MODELS
TERM STRUCTURE
OPTION PRICES
DERIVATIVES
Contributions of volatile and nonvolatile compounds (at 300 degrees C) to condensational growth of atmospheric nanoparticles: An assessment based on 8.5 years of observations at the Central Europe background site Melpitz
期刊论文
JOURNAL OF GEOPHYSICAL RESEARCH-ATMOSPHERES, 2017
Wang, Zhibin
;
Birmili, Wolfram
;
Hamed, Amar
;
Wehner, Birgit
;
Spindler, Gerald
;
Pei, Xiangyu
;
Wu, Zhijun
;
Cheng, Yafang
;
Su, Hang
;
Wiedensohler, Alfred
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
NUMBER SIZE DISTRIBUTIONS
SULFURIC-ACID CONCENTRATION
NUCLEATION MODE PARTICLES
LONG-TERM OBSERVATIONS
ORGANIC-COMPOUNDS
AEROSOL-PARTICLES
BOREAL FOREST
FREE TROPOSPHERE
FORMATION EVENTS
BOUNDARY-LAYER
Thermodynamic properties of nanoparticles during new particle formation events in the atmosphere of North China Plain
期刊论文
ATMOSPHERIC RESEARCH, 2017
Wu, Z. J.
;
Ma, N.
;
Groess, J.
;
Kecorius, S.
;
Lu, K. D.
;
Shang, D. J.
;
Wang, Y.
;
Wu, Y. S.
;
Zeng, L. M.
;
Hu, M.
;
Wiedensohler, A.
;
Zhang, Y. H.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
New particle formation
Particle hygroscopicity
Air pollution
CCN
Particle formation and growth
Particle volatility
CLOUD CONDENSATION NUCLEI
SECONDARY ORGANIC AEROSOL
BOREAL FOREST
HYGROSCOPIC GROWTH
SIZE DISTRIBUTION
POTENTIAL CONTRIBUTION
RELATIVE-HUMIDITY
AIR-POLLUTION
CCN ACTIVITY
ACTIVATION
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
An efficient Co-N-C oxygen reduction catalyst with highly dispersed Co sites derived from a ZnCo bimetallic zeolitic imidazolate framework
期刊论文
RSC ADVANCES, 2016
Wang, Xiaojuan
;
Fan, Xinxin
;
Lin, Honghong
;
Fu, He
;
Wang, Teng
;
Zheng, Jie
;
Li, Xingguo
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
METAL-ORGANIC FRAMEWORK
HIGH-SURFACE-AREA
MEMBRANE FUEL-CELLS
NANOPOROUS CARBONS
POROUS CARBON
ELECTROCATALYSTS
CHALLENGES
GRAPHENE
CAPTURE
FE
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
Measuring the morphology and density of internally mixed black carbon with SP2 and VTDMA: new insight into the absorption enhancement of black carbon in the atmosphere
期刊论文
ATMOSPHERIC MEASUREMENT TECHNIQUES, 2016
Zhang, Yuxuan
;
Zhang, Qiang
;
Cheng, Yafang
;
Su, Hang
;
Kecorius, Simonas
;
Wang, Zhibin
;
Wu, Zhijun
;
Hu, Min
;
Zhu, Tong
;
Wiedensohler, Alfred
;
He, Kebin
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
AERODYNAMIC DIAMETER MEASUREMENTS
DIFFERENTIAL MOBILITY ANALYZER
PARTICLE SOOT PHOTOMETER
OPTICAL-PROPERTIES
MIXING STATE
LIGHT-ABSORPTION
AEROSOL-PARTICLES
MASS
DEPENDENCE
URBAN
Atmospheric aerosol compositions and sources at two national background sites in northern and southern China
期刊论文
ATMOSPHERIC CHEMISTRY AND PHYSICS, 2016
Zhu, Qiao
;
He, Ling-Yan
;
Huang, Xiao-Feng
;
Cao, Li-Ming
;
Gong, Zhao-Heng
;
Wang, Chuan
;
Zhuang, Xin
;
Hu, Min
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/04
SECONDARY ORGANIC AEROSOL
RESOLVED CHEMICAL-CHARACTERIZATION
SOUTHEASTERN UNITED-STATES
MASS-SPECTROMETER
HIGH-RESOLUTION
SOURCE APPORTIONMENT
COLLECTION EFFICIENCIES
CARBONACEOUS AEROSOLS
SUBMICRON PARTICLES
AMBIENT AEROSOL
Mixing state of atmospheric particles over the North China Plain
期刊论文
ATMOSPHERIC ENVIRONMENT, 2016
Zhang, S. L.
;
Ma, N.
;
Kecorius, S.
;
Wang, P. C.
;
Hu, M.
;
Wang, Z. B.
;
Groess, J.
;
Wu, Z. J.
;
Wiedensohler, A.
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2017/12/03
Mixing state
Hygroscopicity
Volatility
Aerosol particles
North China Plain
NUMBER SIZE DISTRIBUTIONS
CLOUD CONDENSATION NUCLEI
AEROSOL OPTICAL-PROPERTIES
BLACK CARBON
HYGROSCOPIC PROPERTIES
CHEMICAL-COMPOSITION
PARTICULATE MATTER
SOOT PARTICLES
CCN ACTIVITY
HUMAN HEALTH
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