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A Novel Low-frequency Radio Astronomical Observation Array (1 ∼ 90 MHz) and its First Light
期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2023, 卷号: 23, 期号: 12
作者:
Yang, Wen-Jun
;
Wang, Zhen
;
Wang, Ming-Yuan
;
Yan, Fa-Bao
;
Lu, Guang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2024/03/29
The Sun
Astronomical Instrumentation
Methods and Techniques
Stars
Planetary Systems
Optical measurement method of non-spherical particle size and concentration based on high-temperature melting technique
期刊论文
Measurement: Journal of the International Measurement Confederation, 2022, 卷号: 198
作者:
Lu, Lifeng
;
Wu, Xin
;
Chen, Lijun
;
Liu, Longlong
;
Li, Yanbo
收藏
  |  
浏览/下载:20/0
  |  
提交时间:2022/06/20
Melting
Optical data processing
Spheres
Thermal expansion
Ultrasonic effects
High-temperature melting
High-temperature melting technique
Mass concentration
Melting techniques
Nonspherical particle
Optical measurement methods
Optical particle counters
Particle mass
Particle size and mass concentration
Particles sizes
A differentially private nonnegative matrix factorization for recommender system
期刊论文
Information Sciences, 2022, 卷号: 592, 页码: 21-35
作者:
Ran, Xun
;
Wang, Yong
;
Zhang, Leo Yu
;
Ma, Jun
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  |  
浏览/下载:30/0
  |  
提交时间:2022/04/21
Benchmarking
Collaborative filtering
Economic and social effects
Information services
Large dataset
Matrix algebra
Matrix factorization
Privacy-preserving techniques
Differential privacies
Factorization methods
Filtering problems
Imputation
Non-negativity
Nonnegative matrix factorization
Objective functions
Personalized information services
Polynomial expression
User data
Distortion mapping correction in the AIMS primary mirror testing by a computer-generated hologram
期刊论文
RESEARCH IN ASTRONOMY AND ASTROPHYSICS, 2021, 卷号: 21, 期号: 7
作者:
Ke-Wei, E.
;
Zhao, Jian-Ke
;
Wang, Bo
;
Wang, Dong-Guang
;
Shen, Yu-Liang
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  |  
浏览/下载:84/0
  |  
提交时间:2021/09/09
telescopes
techniques
interferometric
methods
astronomical instrumentation
methods and techniques
Efficient preconditioning techniques for velocity tracking of Stokes control problem
期刊论文
Applied Numerical Mathematics, 2021, 卷号: 165, 页码: 322-338
作者:
Liang, Zhao-Zheng
;
Dou, Yan
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  |  
浏览/下载:10/0
  |  
提交时间:2021/04/12
Eigenvalues and eigenfunctions
Iterative methods
Linear systems
Numerical methods
Optimal control systems
Spectrum analysis
Control problems
Iterative solution methods
Krylov subspace acceleration
Optimal control problem
PDE-constrained optimization
Preconditioners
Preconditioning
Preconditioning techniques
Stokes flows
Velocity tracking
Optical spectroscopic characterizations of laser irradiated olivine grains (vol 597, A50, 2017)
期刊论文
ASTRONOMY & ASTROPHYSICS, 2021, 卷号: 646, 页码: 1
作者:
Yang, Yazhou
;
Zhang, Hao
;
Wang, Ziwei
;
Yuan, Ye
;
Li, Shaolin
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  |  
浏览/下载:19/0
  |  
提交时间:2021/03/23
methods: laboratory: solid state
techniques: spectroscopic
radiative transfer
infrared: general
planets and satellites: surfaces
errata
addenda
Controlled synthesis of ordered mesoporous TiO2–ZrO2 supported CeSn oxides catalyst for the elimination of 1,2-dichlorobenzene
期刊论文
Microporous and Mesoporous Materials, 2020, 卷号: 302
作者:
Wu, Shilin
;
Zhao, Haijun
;
Tang, Zhicheng
;
Zhang, Jiyi
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  |  
浏览/下载:6/0
  |  
提交时间:2020/11/14
Binary alloys
Catalyst activity
Catalytic oxidation
Cerium alloys
Cerium oxide
Mesoporous materials
Molar ratio
Oxide minerals
Temperature programmed desorption
Tin alloys
Tin compounds
Tin metallography
Titanium alloys
Titanium dioxide
Zircaloy
Zirconia
Zirconium metallography
1 ,2-dichlorobenzene
Catalytic performance
Controlled synthesis
Elimination reaction
Evaporation induced self assemblies
Impregnation methods
Structure and properties
Temperature programmed techniques
近海环境中抗生素分析样品前处理技术的研究进展
期刊论文
色谱, 2020, 卷号: 38, 期号: 1, 页码: 95-103
作者:
吕敏
;
陈令新
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  |  
浏览/下载:114/0
  |  
提交时间:2020/07/08
抗生素
近海
前处理技术
综述
antibiotics
coastal
pretreatment techniques
review
The widespread and massive usage of antibiotics for the prevention and treatment of diseases in human and animals have resulted in their continuous discharge into the environment, and finally, into the coastal environment through various pathways. Accumulation of antibiotics in aquatic organisms poses a great threat to ecological and human health, especially because it facilitates the generation and spread of bacterial resistance. Given the diverse range of antibiotics with various features, as well as their presence at low concentrations in the environment, it is imperative to develop pretreatment techniques for antibiotics in various matrices. In this paper, the pretreatment methods proposed in recent decades for antibiotics in coastal water, sediment, and biota are summarized, with emphasis on commonly used methods such as solid-phase extraction, solid-liquid extraction, matrix solid-phase dispersion, and QuEChERS. Additionally, the potential factors influencing the extraction performance and clean-up efficiency are analyzed. The advantages and disadvantages of the methods and their development are finally discussed.
Atmospheric characterization of the ultra-hot Jupiter MASCARA-2b/KELT-20b Detection of CaII, FeII, NaI, and the Balmer series of H (H alpha, H beta, and H gamma) with high-dispersion transit spectroscopy
期刊论文
ASTRONOMY & ASTROPHYSICS, 2019, 卷号: 628, 页码: 32
作者:
Casasayas-Barris, N.
;
Palle, E.
;
Yan, F.
;
Chen, G.
;
Kohl, S.
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  |  
浏览/下载:79/0
  |  
提交时间:2019/09/26
planets and satellites: atmospheres
planetary systems
methods: observational
techniques: spectroscopic
planets and satellites: individual: MASCARA-2b
planets and satellites: individual: KELT-20b
Numerical simulation on wear-thermal-stress coupling behavior of cap-seal seal and optimization design
期刊论文
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science), 2019, 卷号: 53, 期号: 2, 页码: 258-267 and 274
作者:
Cao, Wen-Han
;
Gong, Jun
;
H.-G., Wang
;
G., Gao
;
Y., Qi
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2020/11/14
Couplings
Finite element method
Numerical methods
Numerical models
Pistons
Simulation platform
Stresses
Structural design
Structural optimization
Thermal stress
Thermoelectricity
Wear of materials
Finite element techniques
Numerical simulation method
Orthogonal design method
Sealing characteristics
Simulation and optimization
Structure optimization
Thermal
Thermal-stress coupling
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