Quan An

ORCID: 0000-0003-1059-4482
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About
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Research Areas
  • Ion-surface interactions and analysis
  • Nanopore and Nanochannel Transport Studies
  • Calibration and Measurement Techniques
  • Meteorological Phenomena and Simulations
  • Wind and Air Flow Studies
  • Advanced Electron Microscopy Techniques and Applications
  • Synthetic Aperture Radar (SAR) Applications and Techniques
  • Atmospheric aerosols and clouds
  • Spectroscopy and Chemometric Analyses
  • Human Mobility and Location-Based Analysis
  • Cryospheric studies and observations
  • Industrial Technology and Control Systems
  • Advanced Algorithms and Applications
  • Quantum Dots Synthesis And Properties
  • Catalytic Processes in Materials Science
  • nanoparticles nucleation surface interactions
  • Geology and Environmental Impact Studies
  • Urban Transport and Accessibility
  • Microstructure and mechanical properties
  • Semiconductor materials and devices
  • Impact of Light on Environment and Health
  • Minerals Flotation and Separation Techniques
  • Recycling and utilization of industrial and municipal waste in materials production
  • Coal Properties and Utilization
  • Coal and Its By-products

Nanjing Tech University
2025

Ministry of Natural Resources
2025

Shanxi University
2024

Northwestern Polytechnical University
2023-2024

Nanjing University of Information Science and Technology
2023-2024

Chongqing Institute of Geology and Mineral Resources
2024

Bureau of Geology and Mineral Exploration and Development of Guizhou Province
2024

Liupanshui City in Guizhou Province represents a karst mountainous region with delicate geological environment. The area has long history of coal mining, and several mines have been progressively closed recent years. However, even after closure mines, the fractured rock mass mined-out areas continues to undergo deformation over specific period. In regions, this is affected by various factors including elevation, slope, precipitation, vegetation. study, we employed SBAS-InSAR technology...

10.3389/feart.2023.1353593 article EN cc-by Frontiers in Earth Science 2024-01-11

This study integrates the analysis of surface temperature data with natural and anthropogenic factors closely related to urban thermal environment in Nanjing from 2000 2020, exploring spatiotemporal variation characteristics heat island effect interactive relationships among its influencing factors. The research findings are as follows: (1) Between exhibited an expansion trend radiating city center periphery, phenomenon primarily concentrated old areas characterized by developed commerce,...

10.3390/rs17111837 article EN cc-by Remote Sensing 2025-05-24

Understanding the repair mechanisms of defects is essential for gaining insight into improving quality and enhancing performance materials. While new structures elemental segregation always exist around defects, influence surroundings on mechanism has rarely been investigated atomic scale. Here, by tracking morphological microstructural evolution Al2Cu nanopores with without Cu-rich phases in vicinity under electron beam irradiation, our in-situ transmission microscopy (TEM) study revealed a...

10.1016/j.jmrt.2024.01.011 article EN cc-by-nc-nd Journal of Materials Research and Technology 2024-01-01

The comprehensive quality enhancement and grading of coal are crucial methods for unlocking the high value-added low-carbon utilization resources. In this work, influence oily bubbles on flotation Shendong Jurassic vitrinite-rich inertinite-rich was studied via tests, Fourier transform infrared (FT-IR) spectroscopy, X-ray photoelectron spectroscopy (XPS), contact angle detection, induction time measurements. FT-IR XPS analyses demonstrated that surface contains more hydrophilic...

10.3390/min14040328 article EN Minerals 2024-03-22

Spectrum technology in coal quality detection has become a research hotspot with the maturing of spectral and continuous development imager.This article mainly analyzed summarized progress status scholars at home abroad based on index (moisture, ash content, volatile matter, fixed carbon sulfur content).According to index, we demonstrated spectrum considerable prospects testing by analysis application other material's corresponding index.

10.2991/eame-15.2015.131 article EN cc-by-nc Advances in engineering research/Advances in Engineering Research 2015-01-01

Because of the effects radiation, existing air temperature instruments used in meteorological detection field can produce radiation errors approximately 1 °C. We developed an atmospheric measuring instrument to reduce error. computational fluid dynamics (CFD) approach optimize ability block and guide airflow sensor. mounted two aluminum plates deflectors above below The outer surfaces were covered with high-reflectivity silver film, which could effectively direct reflected solar radiation....

10.1109/tim.2023.3289552 article EN IEEE Transactions on Instrumentation and Measurement 2023-01-01

Anisotropic nanopores are essential to regulate materials' anisotropic performance including thermal conductivity, ion blocking and so on. Nevertheless, fabricating remains challenging because the formation mechanism is ambiguous, due lack of direct experimental evidence. Here, we reveal a unique strain-induced for fabrication under electron beam irradiation. With in-situ transmission microscopy (TEM) technique, an initial symmetric nanopore, with another nanopore nearby, found expand...

10.1016/j.jmrt.2024.04.137 article EN cc-by-nc-nd Journal of Materials Research and Technology 2024-04-17
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