Results 41 to 50 of about 6,222 (124)

Nondestructive quality assessment of shogun mandarin fruits (Citrus reticulata Blanco cv. Shogun) using compton scattering of gamma-ray technique [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2005
Compton scattering of gamma radiation was applied for nondestructive testing of the shogun mandarin fruits with good quality defined as no dry sack or dry fibrous structures inside.
Punnary, K., Chittrakarn, T., Bhongsuwan, T.   +2 more
doaj  

Characterization of new primary air kerma standards for dosimetry in Co-60, Cs-137 and Ir-192 gamma ray sources

Journal of Instrumentation, 2021
S. Pojtinger, L. Büermann
openaire   +1 more source

Source term inversion of nuclear accidents based on ISAO-SAELM model

Nuclear Engineering and Technology
The release source term of radioactivity becomes a critical foundation for emergency response and accident consequence assessment after a nuclear accident Rapidly and accurately inverting the source term remains an urgent scientific challenge.
Dong Xiao, Zixuan Zhang, Jianxin Li, Yanhua Fu   +3 more
doaj   +1 more source

Temporal Scales of Mass Wasting Sedimentation across the Mississippi River Delta Front Delineated by ²¹⁰Pb/¹³⁷Cs Geochronology

Journal of Marine Science and Engineering
The Mississippi River Delta Front (MRDF) is a subaqueous apron of rapidly deposited and weakly consolidated sediment extending from the subaerial portions of the Birdsfoot Delta of the Mississippi River, long characterized by mass-wasting sediment ...
Jeffrey Duxbury, Samuel J. Bentley, Kehui Xu, Navid H. Jafari   +3 more
doaj   +1 more source

Modular and Cost-Effective Computed Tomography Design

Sensors
We present a modular and cost-effective gamma ray computed tomography system for multiphase flow investigations in industrial apparatuses. It mainly comprises a 137Cs isotopic source and an in-house-assembled detector arc, with a total of 16 ...
André Bieberle, Rainer Hoffmann, Alexander Döß, Eckhard Schleicher, Uwe Hampel   +4 more
doaj   +1 more source

Open-Source Optimization of Hybrid Monte Carlo Methods for Fast Response Modeling of NaI (Tl) and HPGe Gamma Detectors

Journal of Nuclear Engineering
Modeling the response of gamma detectors has long been a challenge within the nuclear community. Significant research has been conducted to digitally replicate instruments that can cost over USD 100,000 and are difficult to operate outside of a ...
Matthew Niichel, Stylianos Chatzidakis
doaj   +1 more source

Innovative projection acquisition algorithm for optimizing portable LNDCT in oil and gas pipeline imaging

Nuclear Engineering and Technology
Fluid pipelines, commonly utilized in the oil industry, often face efficiency and reliability issues due to sediment buildup causing erosion, corrosion, and pipe wall thinning.
Mostafa Kabir, Hossein Afarideh, Mitra Ghergherehchi, Jong-Seo Chai   +3 more
doaj   +1 more source

Optimization of Flight Parameters for Gamma Radiation Detection and Mapping Using Drones

Brazilian Journal of Radiation Sciences
The application of drones in radiometric surveys has emerged as a promising solution, particularly for mapping radiation in areas that are difficult to access. This approach enables the creation of detailed distribution maps. However, the accuracy of the
Felipe Mamed, Alessandra Vaz, Ary Machado, Jonathan Oliveira, Leandro Silva, Paulo Barreto, Paulo Iack, Paulo Silveira, Rodrigo Curzio, Rodrigo Souza, Wallace Vallory   +10 more
doaj   +1 more source

Effect of Gamma Ray Irradiation on Structural and Optical Properties of ZnO Thin Films

Ibn Al-Haitham Journal for Pure and Applied Sciences, 2017
In this research, the structural and optical measurements were made on the Zinc oxide (ZnO) films prepared by two methods once by using chemical spray pyrolysis technique, and another by using thermal evaporation technique before and after irradiation ...
Bushra K. H. Al-Maiyaly
doaj  

Time-of-flight based one-dimensional position estimation of radioactive sources using artificial neural network model

Nuclear Engineering and Technology
This study presents a novel approach for one-dimensional gamma ray source position estimation by integrating plastic scintillating fiber technology, time-of-flight (ToF) measurements, and artificial neural network (ANN) techniques.
Jinhong Kim, Siwon Song, Jae Hyung Park, Seunghyeon Kim, Sangjun Lee, Seung Hyun Cho, Cheolhaeng Huh, Bongsoo Lee   +7 more
doaj   +1 more source