Temperature distribution in the PGAA system: Collimator, shutter, and filter in TRIGA Mark II reactor
September 2024
This article examines the impact of temperature on the steel collimator cap and the primary beam shutter. These components will be used to implement the Prompt Gamma Activation Analysis (PGAA) technique...
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Feasibility of producing 225Ac via thermal neutron irradiation of 226Ra: A systematic theoretical study
September 2024
With a suitable half-life and abundant radiolabeling strategy, 225Ac has become one of the most promising radionuclides in the area of targeted alpha therapy. However, limited radionuclide supply is...
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Radiological Impact of Hydrocarbon waste release on drinking water of Ughievwen and Udu communities, Delta State Nigeria
Available online 16 July 2024
Well water quality has been characterized with constant and continuous changes via the interaction of rock, soil and natural nano-filters which terminates at the aquiferous layer for clean well-water...
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Exploring the impact of anode material on X-ray photon fluence and characteristics: A Monte Carlo simulation study
June 2024
This study investigates the critical significance of anode material selection in defining the energy spectrum and properties of X-ray photons in medical physics applications. Using the GATE platform...
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Temperature feedback reactivity analysis for LEU-Fuelled SLOWPOKE-2 research reactor using DRAGON5 and DONJON5 codes
June 2024
The purpose of this study is to provide a new deterministic model for the SLOWPOKE-2 nuclear research reactor at École Polytechnique de Montréal (EPM) with LEU (Low Enriched Uranium) core. Using the...
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Strategic analysis for advancing Morocco's nuclear infrastructure using PESTELE framework
June 2024
Morocco's exploration of nuclear energy aligns with both climate goals and national energy ambitions, offering a promising low-carbon alternative to conventional fossil fuels. Despite the nation's significant...
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Simulating the impact of electron beam energy deposition on lead target temperature
June 2024
This study delves into the thermal dynamics induced by an electron beam sourced from the CIRCE III accelerator, focusing on a lead target previously employed at the National Centre for Nuclear Science...
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Determination of 58Fe/54Fe isotope ratios in Chang’E-5 lunar regolith by instrumental neutron activation analysis
March 2024
Traditionally, the determination of isotope ratios is analyzed by mass spectrometry (MS) method, which is usually destructive to sample (i.e., sample dissolution). Furthermore, the 58Fe abundance (0.282%)...
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Design of emergency solar energy system adjacent the nuclear power plant to prevent nuclear accidents and increase safety
March 2024
Providing sufficient energy in emergency situations in nuclear power plants is of great importance due to their crucial role in improving power plant safety and eliminating disasters....
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The blackening of organotin catalyzed silicone adhesive via low dose rate gamma irradiation
March 2024
Low dose rate gamma irradiation blackening effect of organotin catalyzed silicone adhesive is presented. When the total dose accumulated to 350 kGy at low dose rate (0.03 Gy/s), there is a significant...
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Adsorption of molybdenum (VI) from wastewater using a metal-organic framework material
March 2024
With the aim of removing 99Mo from radioactive wastewater, a metal-organic framework Zr-MOF and its functionalized derivatives (Zr-MOF-SO4 and Zr-MOF-C2O4) were prepared as adsorbents, and characterized...
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Crystallization in blend of polycaprolactone and high molecular weight polyethylene oxide
December 2023
The concentration distribution in blend of polyethylene oxide (PEO)/polycaprolactone (PCL) and subsequent crystallization were investigated with differential scanning calorimetry, in-situ small angle...
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The lifetime distribution of finite fission chain group around the prompt criticality
December 2023
In order to describe the behavior of finite fission chains in a fission system initiated by a δ neutron source, we present the conception of the finite fission chains group (FFCG). The group is the...
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Computer simulation of tritium release behavior of Li4SiO4 ceramic breeder with an improved packed bed model
September 2023
In order to have a deep understanding of the tritium migration and release mechanisms in ceramic breeders, computer simulation of the tritium release behavior of Li4SiO4 ceramic breeder was performed...
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Thermodynamics of Thorium(IV) complexes with N-methylethylenediamine-N,Nʹ,Nʹ-triacetate in aqueous solutions: Potentiometry and microcalorimetry
September 2023
The thermodynamic parameters of the complexes of Th with N-methylethylenediamine-N,Nʹ,Nʹ-triacetic acid (MEDTA; denoted as H3L with three dissociable protons) were studied. Potentiometry and microcalorimetry...
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A systematic study on complementary metal-oxide semiconductor technology (CMOS) and Internet of Things (IOT) for radioactive leakage detection in nuclear plant
September 2023
Although nuclear power plants produce about 20% of India's power, the risk posed by radioactive leakage is considerable. Radiation leakage detection devices must be installed in all nuclear power plants...
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A comparative study of adsorption properties of zirconium (IV) phosphonates for removal of 90Sr
June 2023
With as goal of improving on traditional α-ZrP, four zirconium phosphonate materials were prepared as potential adsorbents for the removal of 90Sr from nuclear wastewater. A typical sol–gel method was...
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XPS determination of the uranium valences in U3O8
June 2023
Uranium oxides are tightly related to the whole nuclear fuel cycle in the nuclear industry. However, the understanding of the chemical states in mixed valence uranium oxides remains scattered and deserves...
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Progress in measurements of fission cross sections and total cross sections at CSNS Back-n white neutron source
June 2023
The neutron-induced cross sections are of great significance for the design of nuclear devices and advanced reactors for the nuclear energy production. At CSNS Back-n white neutron source, new measurements...
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Quantitative estimation of tritium amount in surface layer and bulk of tungsten sample using BIXS
March 2023
Estimation of both the surface tritium and tritium in bulk in key materials of fusion reactors is of great importance for tritium safety and the management of tritium-contaminated material. For the...
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Temperature dependence of hydrogen isotope effect in LaNi5-H(D) system
March 2023
To study inverse effect of hydrogen isotopes in LaNi5 for hydrogen isotope separation at ambient temperature, temperature dependence of hydrogen isotope effect in LaNi5－H(D) system was investigated...
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Calibration of a PIXE system at Peking University
March 2023
A method combining particle-induced X-ray emission spectrometry (PIXE) and elastic backscattering spectrometry (EBS) was used to calibrate the PIXE system at Peking University. The selected thin standard...
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Mechanism study of bubble dynamics under the buoyancy effects
March 2023
The motion of a single bubble in a 2-D vertical channel filled with stagnant or moving fluid is simulated for various sets of conditions using the computational fluid dynamics(CFD) method. The volume...
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Mechanical properties and magnetic and electronic properties tuned via strain in two-dimensional non-van der Waals hematene
March 2023
Two-dimensional (2D) non-van der Waals hematene has increasingly attracted attention in the applications of photocatalysis, spintronic devices, and magnetic storage media. Mechanical properties as well...
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Sol-gel fabrication of porous ceria microspheres for thermochemical carbon dioxide (CO2) splitting
March 2023
Porous CeO2 has been of great interest recently, due to its great catalytic efficiency in splitting CO2 into CO and O2. Porous CeO2 microspheres are the key to scaling up such reactions in the fluidized-bed...
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