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科研机构
北京大学 [219]
内容类型
其他 [219]
发表日期
2017 [3]
2016 [13]
2015 [27]
2014 [22]
2013 [17]
2012 [18]
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内容类型:其他
专题:北京大学
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Randomized algorithms for high quality treatment planning in volumetric modulated arc therapy
其他
2017-01-01
Yang, Yu
;
Dong, Bin
;
Wen, Zaiwen
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2017/12/03
volumetric modulated arc therapy
greedy algorithm
gradient projection
random sampling
importance sampling
GRADIENT METHODS
IMRT
OPTIMIZATION
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
A Study of Heat and Mass Transfer of Nanofluids Arising in Biosciences Using Buongiorno's Model
其他
2017-01-01
Mohyud-Din, Syed Tauseef
;
Usman, Muhammad
;
Bin-Mohsin, Bandar
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
Buongiorno&apos
stretchable walls
numerical solution
converging and diverging channels
variational iteration method (VIM)
variation of parameters method (VPM)
VARIATIONAL ITERATION METHOD
STRETCHABLE CONVERGENT/DIVERGENT CHANNELS
THERMAL-CONDUCTIVITY
INCLINED PLANE
FLOW
EQUATIONS
FLUID
CONVECTION
RADIATION
SURFACE
s model
Asymmetry of 1 nm XRD Reflection and Measurement of Illite Crystallinity
其他
2016-01-01
Wang, Hejing
;
Zhou, Jian
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
DIFFRACTION
ESTIMATING CROP NET PRIMARY PRODUCTION USING HIGH SPATIAL RESOLUTION REMOTE SENSING DATA
其他
2016-01-01
Wang, Lu
;
Fan, Wenjie
;
Xu, Xiru
收藏
  |  
浏览/下载:23/0
  |  
提交时间:2017/12/03
NPP
LUE
FAPAR-P model
Heihe River Basin
A SIMPLE FUSION ALGORITHM OF POLAR-ORBITING AND GEOSTATIONARY SATELLITE DATA FOR THE ESTIMATION OF SURFACE SHORTWAVE FLUXES
其他
2016-01-01
Chen, Ling
;
Yan, Guangjian
;
Ren, Huazhong
;
Wang, Tianxing
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2017/12/03
polar-orbiting
geostationary
fusion algorithm
MODIS
Fengyun-2C
PHOTOSYNTHETICALLY ACTIVE RADIATION
NET-RADIATION
MODIS DATA
LAND
CHINA
PAR
CALCULATION OF FAPAR OVER RAGGED TERRAINS: A CASE STUDY AT SAIHANBA
其他
2016-01-01
Zhao, Peng
;
Fan, Wenjie
;
Liu, Yuan
;
Xu, Xiru
收藏
  |  
浏览/下载:29/0
  |  
提交时间:2017/12/03
Fraction of Absorbed Photosynthetically Active Radiation (FAPAR)
FAPAR-P Model for Ragged Terrain Area (FAPAR-PR)
terrain
MODIS
Radiation-induced graft copolymerization of dimethylaminoethyl methacrylate onto graphene oxide for Cr(VI) removal
其他
2016-01-01
Ma, Hui-Ling
;
Zhang, Youwei
;
Zhang, Long
;
Wang, Liancai
;
Sun, Chao
;
Liu, Pinggui
;
He, Lihua
;
Zeng, Xinmiao
;
Zhai, Maolin
收藏
  |  
浏览/下载:5/0
  |  
提交时间:2017/12/03
Graphene
Dimethylaminoethyl methacrylate
gamma-Ray irradiation
Graft copolymerization
Adsorbent
AQUEOUS-SOLUTION
ADSORPTION BEHAVIOR
ACTIVATED CARBON
COPPER IONS
HUMIC-ACID
POLYMERIZATION
POLYANILINE
COMPOSITES
REDUCTION
MEMBRANE
Double-diffusive natural convective boundary-layer flow of a nanofluid over a stretching sheet with magnetic field
其他
2016-01-01
Akbar, Noreen
;
Khan, Z.
;
Nadeem, S.
;
Khan, W.
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2017/12/03
Magnetic field
Nanofluid
Natural convection
Double diffusion
Buongiorno model
Linearly stretching sheet
STAGNATION POINT FLOW
CHENG-MINKOWYCZ PROBLEM
HEAT-TRANSFER
POROUS-MEDIUM
THERMAL-CONDUCTIVITY
VERTICAL PLATE
RADIATION
SURFACE
MEDIA
MODEL
Fabrication of 1.5mm thickness silicon pin fast neutron detector with guard ring structure
其他
2016-01-01
Zhang, Zhao
;
Yu, Min
;
Zhu, Zhiyuan
;
Wang, Hao
;
Huang, Yahuan
;
Jin, Yufeng
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
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