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科研机构
北京大学 [20]
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其他 [20]
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2017 [1]
2016 [1]
2013 [1]
2012 [4]
2010 [2]
2009 [1]
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专题:北京大学
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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
Bounded perturbation resilience of projected scaled gradient methods
其他
2016-01-01
Jin, Wenma
;
Censor, Yair
;
Jiang, Ming
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Convex minimization problems
Proximity function
Projected scaled gradient
Superiorization
Bounded perturbation resilience
LINEAR COMPLEMENTARITY-PROBLEM
ITERATIVE IMAGE-RECONSTRUCTION
MATRIX SPLITTING ALGORITHM
EM ALGORITHM
OPTIMIZATION PROBLEMS
FEASIBILITY PROBLEMS
CONVERGENCE ANALYSIS
CONVEX-OPTIMIZATION
DESCENT METHODS
LEAST-SQUARES
Quasi linear elliptic equations with critical growth via perturbation method
其他
2013-01-01
Liu, Xiang-Qing
;
Liu, Jia-Quan
;
Wang, Zhi-Qiang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
Quasilinear elliptic equations
Critical exponent
Perturbation methods
NONLINEAR SCHRODINGER-EQUATION
ARBITRARY SPACE DIMENSION
LOCAL WELL-POSEDNESS
SOLITON-SOLUTIONS
POSITIVE SOLUTIONS
EXISTENCE
Relativistic explicit correlation: Coalescence conditions and practical suggestions
其他
2012-01-01
Li, Zhendong
;
Shao, Sihong
;
Liu, Wenjian
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
COMPLEX-COORDINATE ROTATION
BOUND-STATE ENERGIES
WAVE-FUNCTIONS
ISOELECTRONIC SERIES
ELECTRONIC-STRUCTURE
SPIN-1/2 PARTICLES
QUANTUM-CHEMISTRY
HYLLERAAS-CI
TERMS
HAMILTONIANS
Accurate solutions of M-matrix algebraic Riccati equations
其他
2012-01-01
Xue, Jungong
;
Xu, Shufang
;
Li, Ren-Cang
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/12
DOUBLING-ALGORITHM
ITERATIVE SOLUTION
Accurate solutions of M-matrix Sylvester equations
其他
2012-01-01
Xue, Jungong
;
Xu, Shufang
;
Li, Ren-Cang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
ALGEBRAIC RICCATI-EQUATIONS
SMALLEST EIGENVALUE
PERTURBATION-THEORY
ITERATIVE SOLUTION
ALGORITHM
Limit cycles appearing from the perturbation of a system with a multiple line of critical points
其他
2012-01-01
Gasull, Armengol
;
Li, Chengzhi
;
Torregrosa, Joan
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  |  
浏览/下载:2/0
  |  
提交时间:2015/11/12
Limit cycles
Weak Hilbert&apos
Abelian integrals
Bifurcation of periodic orbits
GLOBAL BIFURCATION
FAMILY
s 16th problem
An insurance risk model with stochastic volatility
其他
2010-01-01
Chi, Yichun
;
Jaimungal, Sebastian
;
Lin, X. Sheldon
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/12
Gerber-Shiu expected discounted penalty function
Integro-differential equation
Singular perturbation theory
Stochastic volatility
Perturbed compound Poisson risk process
Phase-type distribution
Ornstein-Uhlenbeck process
EXPECTED DISCOUNTED PENALTY
DEFECTIVE RENEWAL EQUATION
JUMP-DIFFUSION
RUIN
MOMENTS
TIME
APPROXIMATIONS
SURPLUS
OPTIONS
DEFICIT
New Microstrip Bandpass Filters with Increased Upper Rejection Band
其他
2010-01-01
Dai, Gao-Le
;
Guo, Yong-Xin
;
Xia, Ming-Yao
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2015/11/16
SUPPRESSION
RESONATORS
DESIGN
Discussion: Why do we test multiple traits in genetic association studies?
其他
2009-01-01
Fang, Xiangzhong
;
Luo, Li
;
Reveille, John D.
;
Xiong, Momiao
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/10
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