R. Xu

ORCID: 0000-0003-4674-9482
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Research Areas
  • High-Energy Particle Collisions Research
  • Particle physics theoretical and experimental studies
  • Quantum Chromodynamics and Particle Interactions
  • Particle Detector Development and Performance
  • Nuclear reactor physics and engineering
  • Statistical Methods and Bayesian Inference
  • Dark Matter and Cosmic Phenomena
  • Nuclear physics research studies
  • Stochastic processes and statistical mechanics
  • Pulsars and Gravitational Waves Research
  • CCD and CMOS Imaging Sensors
  • Cosmology and Gravitation Theories
  • Computational Physics and Python Applications
  • Limits and Structures in Graph Theory
  • Image Enhancement Techniques
  • Metamaterials and Metasurfaces Applications
  • Advanced Technologies in Various Fields
  • Environmental Education and Sustainability
  • Gaze Tracking and Assistive Technology
  • Remote Sensing and LiDAR Applications
  • Relativity and Gravitational Theory
  • Black Holes and Theoretical Physics
  • advanced mathematical theories
  • Energy, Environment, Economic Growth
  • Spectroscopy Techniques in Biomedical and Chemical Research

Central China Normal University
2017-2025

Nanjing University of Information Science and Technology
2025

California University of Pennsylvania
2025

Universidad Nacional Autónoma de México
2018-2024

China Southern Power Grid (China)
2024

A. Alikhanyan National Laboratory
2018-2024

Chongqing University of Posts and Telecommunications
2021-2024

Peking University
2022

North China University of Water Resources and Electric Power
2018-2020

University of York
2019

Abstract Cholesteric liquid crystal (CLC) chiral superstructures exhibit unique features; that is, polychromatic and spin‐determined phase modulation. Here, a concept for digitalized is proposed, which further enables the arbitrary manipulation of reflective geometric may significantly upgrade existing optical apparatus. By encoding specifically designed binary pattern, an innovative CLC vortex (OV) processor demonstrated. Up to 25 different OVs are extracted with equal efficiency over...

10.1002/adma.201705865 article EN Advanced Materials 2018-01-15

10.1007/s12652-018-1034-6 article EN Journal of Ambient Intelligence and Humanized Computing 2018-09-11

This study proposes a novel image segmentation method, MF-DFA combined with the Allen–Cahn equation (MF-AC-DFA). By utilizing instead of least squares method employed in traditional for fitting, accuracy and robustness are significantly improved. The article first conducts experiments under various conditions, including different target shapes, backgrounds, resolutions, to verify feasibility MF-AC-DFA. It then compares proposed gradient methods demonstrates superiority Finally, real-life...

10.3390/fractalfract9050310 article EN cc-by Fractal and Fractional 2025-05-12

Wang, W.; Tang, D., and Xu, R., 2020. Systemic risk infection control of water eco-environmental projects under the mode government-enterprise cooperation. In: Yang, Y.; Mi, C.; Zhao, L., Lam, S. (eds.), Global Topics New Trends in Coastal Research: Port, Ocean Engineering. Journalof Research,Special Issue No.103,pp.447–452. Coconut Creek (Florida),ISSN0749-0208.It has become an important means to improve ecological environment China by introducing social capital into projects, which made...

10.2112/si103-091.1 article EN Journal of Coastal Research 2020-06-23

In previous studies of relativistic thermodynamics, the temperature a static system, as perceived by moving observer, has traditionally been treated scalar. This assumption also extended to research on cosmic microwave background. However, validity this is consequence massless nature photons. More generally, when an observer in relative motion thermal equilibrium state characterized four-vector temperature. paper, we study non-interacting massive Bosonic and Fermionic field systems. We...

10.48550/arxiv.2412.20817 preprint EN arXiv (Cornell University) 2024-12-30

China's energy consumption for agricultural production has relied on petroleum and coal with relatively low input from power other types of a long time.Projections indicate that as existing development trend leads to substantial growth demand production,such term irrational pattern would unlikely be able meet the needs country's developing sector.As such,it is recommended sector should follow national strategy guideline by gradually increasing use wind power,solar energy,biomass new sources...

10.22004/ag.econ.113410 article EN Asian agricultural research 2011-03-01

In this paper, we study porous media equation u t = ∆u mu p with nonlinear boundary condition ∂u ∂ν ku q .We determine some sufficient conditions for the occurrence of finite time blow-up or global existence.Moreover, lower and upper bounds are also derived by using various inequality techniques.

10.14232/ejqtde.2021.1.8 article EN cc-by Electronic journal of qualitative theory of differential equations 2021-01-01
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