A5045328761- Radioactivity and Radon Measurements
- Radioactive contamination and transfer
- Geophysical Methods and Applications
- Advanced ceramic materials synthesis
- Silicon Carbide Semiconductor Technologies
- Semiconductor materials and devices
- Nuclear Physics and Applications
- Rock Mechanics and Modeling
- Radiation Detection and Scintillator Technologies
- Landslides and related hazards
- Graphite, nuclear technology, radiation studies
- Diamond and Carbon-based Materials Research
- Geotechnical Engineering and Underground Structures
- Nuclear reactor physics and engineering
- Geotechnical Engineering and Soil Mechanics
- Radiation Dose and Imaging
- Radioactive element chemistry and processing
- Mine drainage and remediation techniques
- Civil and Geotechnical Engineering Research
- Aluminum Alloys Composites Properties
- Advanced Surface Polishing Techniques
- Nuclear and radioactivity studies
- Tailings Management and Properties
- Microwave Imaging and Scattering Analysis
- Ga2O3 and related materials
Xi'an Jiaotong University
2020-2025
Université Paris Cité
2024
Institut de physique du globe de Paris
2024
Centre National de la Recherche Scientifique
2024
University of South China
2018
Hong Kong University of Science and Technology
1999
American Society of Civil Engineers
1999
The inert radioactive gas radon-222, ubiquitous in the environment, is first cause of lung cancer non-smokers and a powerful asset to trace geological fluids constrain atmospheric transport models. In all these applications, radon flux (RF) from ground needs be estimated. However, obtaining large-scale representative estimate RF continental land challenging task starting basis focus on large countries world. Here, we collected total 2622 direct measurements carried out China 1988 2021 using...
In this study, molecular dynamics simulations were employed to investigate the effect of symmetrical tilt grain boundaries (STGBs) on cascade collision evolution at SiC/PyC interface. We observed that angle size boundary (GB) spatial structures significantly influences both type and number defects caused by primary knock-on atom (PKA) collisions interface, altering damage morphology. Under PKA range from 1.5[Formula: see text]keV 15[Formula: 1000[Formula: text]K, interplay between GB...
It is the fact that there are lots of hazard incidents in underground uranium mines caused by radon but in-suit samples were difficult to collect. Based on closed chamber method, three similar different sealed ways made a laboratory with material rations, namely tailings, quartz sand, cement, iron powder and silicon measure concentrations without low-frequency vibrations, which was used experimental device for vibration diffusion radon. The results showed exhalation coming from influenced...
This study presents direct evidence for the influence of previbration cycles induced in conventional resonant column tests on measured dynamic properties a dry sand. The were performed an energy-injecting virtual-mass system, under which material can be at very low number (<20). test results show that sand tested strain amplitudes beyond elastic threshold, is moderate modulus but significant damping, particularly range numbers vibration (<500). observation consistent with findings...
During operation, nuclear facilities produce radioactive materials, solutions, or aerosols that form <inline-formula xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"> <tex-math notation="LaTeX">$\alpha/\beta/\gamma $ </tex-math></inline-formula> mixed radiation in the surrounding environment. Considering their differences interaction mechanisms, hazards, and protection approaches, it is crucial to discriminate during measurement. Currently, for...
Radon is internationally recognized as one of the seven seismic precursors. A self-assembly ultrasonic generator and experimental apparatus for radon measurement were utilized to explore exhalation regularities water-bearing porous media under different intensities. The results showed that there was a coupling relationship among rate, moisture content, frequency. With increase frequency wave, its effect on promotion rate found be more obviously positive linear correlation. which could climb...
Abstract The cubic silicon carbide (3C-SiC) has been considered as a candidate structural material for several types of advanced nuclear reactors. effects cascade collision on thermal conductivity in symmetrical tilt grain boundary (GB) were studied by Molecular dynamics (MD) simulations. 3C-SiC at Σ5(210)[001] GB was calculated using non-equilibrium molecular (NEMD) methods. A relatively small simulation unit used to analyze the effect different energies incident PKA (primary knock-on...
Abstract Recently, gallium oxide (Ga2O3) as an ultra-wide bandgap semiconductor has aroused enormous attention in research and development due to its prospects for future power electronic, optoelectronic, radiation detection applications. Ga2O3-based devices could be subject fluxes of protons or neutrons if used aerospace radiation-hard nuclear systems, which leads internal defects Ga2O3 crystals the degradation device performance. Therefore, effects under irradiation have become a focus, it...