Development of gamma rays transmission measurement technique for thickness determination of multi-layer materials [PDF]
The concrete, red brick and iron were used for thickness determination of multi-layer materials. The 133Ba, 137Cs and 60Co radioactive source were used energy at 356, 662 and 1173 keV for gamma rays transmission measurement technique. The dispersive X-ray fluorescence spectrometer (EDXRF) was used to confirmed the chemical composition with all sample ...
W. Chaiphaksa +5 more
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A Dual Energy Gamma-Ray Transmission Technique for Gold Alloy Identification.
An application of the dual energy gamma-ray transmission techniques to gold alloy identification is presented. The measurement by dual energy gamma-ray transmission is independent of thickness and density of a sample. Due to this advantage, golden accessories such as necklaces, earrings and rings can be assayed inspite of their various thicknesses and ...
SUMI, Tetsuo +2 more
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Shielding Effect of Aluminum Against Cs-137 Source, According to Gamma Ray Transmission Technique
In this study the shielding effect of the Aluminum element against radiation is referred to by using the gamma ray transmission technique. Selected gamma-ray source Cesium is monoenergytic and not necessary the activity correction due to its half-life. Absorption caused by aluminum leads to a reduction in the radiation dose exposed. In the literature,
Muttalip Ergun TURGAY +3 more
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This study considered the setup of gamma transmission facility to develop a methodology for determining the amount of cement in sandcrete block. Twelve block samples was moulded in varying sand/cement ratio. The 12 samples each were measured both in volume, masses and density.
I. O. Okunade +2 more
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Investigation on the Effects of Titanium Diboride Particle Size on Radiation Shielding Properties of Titanium Diboride Reinforced Boron Carbide-Silicon Carbide Composites [PDF]
Composite materials have wide application areas in industry. Boron Carbide is an important material for nuclear technology. Silicon carbide is a candidate material in the first wall and blankets of fusion power plants.
A.O. Addemir +3 more
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Examination for Analysis of Minerals by Means of Dual Energy Gamma-ray Transmission Techniques.
For application of dual energy gamma-ray transmission techniques to practical mineral grade analysis, some problems including selection of gamma-ray energies, influence of sample thickness and main causes of errors in measurement have been examined.The relationships between the R-values (the ratio of mass attenuation coefficients for low and high ...
UMEDA, Iwao +2 more
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A handy method for estimating the particle concentration distribution in FCC risers using a gamma-ray transmission technique [PDF]
A handy gamma-ray transmission method for estimating the particle concentration distribution in a fluid catalytic cracking (FCC) riser is proposed. The method is based on an empirical correlation , which has only one unknown parameter
Xiaocheng Liu, Yaodong Wei, Jianfei Song
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Determination of Hydraulic Conductivity of Undisturbed Soil Column: a Measurement Accomplished with the Gamma Ray Transmission Technique [PDF]
Anderson Camargo Moreira1*, Otavio Portezan Filho2, Fabio Henrique de Moraes Cavalcante3 and Carlos Roberto Appoloni2 1Programa de Pos Graduacao em Ciencias e Engenharia de Materiais/EMC, Universidade Federal de Santa Catarina – UFSC, 2Depto. de Fisica, Universidade Estadual de Londrina – UEL, 3Centro de Fisica Nuclear, Instituto Superior de Engenharia/
Anderson Camargo +3 more
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Algebraic reconstruction technique combined with Monte Carlo method for weight matrix calculation in gamma ray transmission tomography [PDF]
In the present work, the algebraic reconstruction technique (ART) combined with Monte Carlo method has been proposed for image reconstruction in gamma ray transmission tomography, which is generally used for the nondestructive assay of special nuclear materials.
Chhavi Agarwal +4 more
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For practical use of dual energy gamma-ray transmission techniques in various fields, necessary conditions have been examined experimentally.The study revealed the necessary conditions shown in the following : (1) the shape and size of the collimator aperture for a gamma-ray beam must be changed according to those of a sample to be measured, (2) a ...
Iwao UMEDA +3 more
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