A comparison between Bayesian and ordinary kriging based on validation criteria: application to radiological characterisation

M Wieskotten, M Crozet, B Iooss, C Lacaux… - Mathematical …, 2024 - Springer
In decommissioning projects of nuclear facilities, radiological characterisation aims to
estimate the quantity and spatial distribution of different radionuclides. To carry out the …

In situ gamma-ray spectrometry in the environment using dose rate spectroscopy

YY Ji, CJ Kim, KH Chung, HY Choi, W Lee… - Radiation Physics and …, 2016 - Elsevier
In order to expand the application of dose rate spectroscopy to the environment, in situ
gamma-ray spectrometry was first conducted at a height of 1 m above the ground to …

Solvent extraction of cesium with a new compound calix [4] arene-bis [(4-methyl-1, 2-phenylene)-crown-6]

A Zhang, Y Dai, L Xu, Z Chai - Journal of Chemical & Engineering …, 2013 - ACS Publications
A new macrocyclic calix [4] arene-bis [(4-methyl-1, 2-phenylene)-crown-6](CalixBisMePhC)
was synthesized. An extraction study of Cs (I), Na (I), K (I), Rb (I), Sr (II), Ba (II), Pd (II), and …

Minimal detection time for localization of radioactive hot spots in low and elevated background environments using a czt gamma-ray spectrometer

L Brabants, M Simons, D de Schepper… - Nuclear …, 2022 - Taylor & Francis
This study determines the minimal detection time (MDT) needed for successful localization
of radioactive hot spots during nuclear decommissioning work. An automated XY stage …

Metrology for decommissioning nuclear facilities: Partial outcomes of joint research project within the European Metrology Research Program

J Suran, P Kovar, J Smoldasova, J Solc… - Applied Radiation and …, 2018 - Elsevier
Decommissioning of nuclear facilities incurs high costs regarding the accurate
characterisation and correct disposal of the decommissioned materials. Therefore, there is a …

Extraction behavior of cesium from nitric acid medium with calix[4]-bis[(4-tert-butyl-1,2-phenylene)-crown-6]

Y Dai, R Lv, Z Liu, Q Tao, Z Zhang, Y Liu - Journal of Radioanalytical and …, 2018 - Springer
Cesium, one of the heat-emitting fission elements contained in high active liquid waste,
deserved separation. Calix bis crown is a class of chemical compounds, promising in the …

Parameters influencing the activation of dismantling nuclear facility structures

C Le Loirec, C Riffard, F Barran, V Bellanger… - Annals of Nuclear …, 2019 - Elsevier
Only 13 nuclear power plants have been completely decommissioned worldwide. The core
of the dismantling process is the production and the management of radiological wastes …

Analysis of the relationship binding in situ gamma count rates and soil sample activities: Implication on radionuclide inventory and uncertainty estimates due to spatial …

HL Nguyen, C de Fouquet, C Courbet… - Journal of environmental …, 2018 - Elsevier
The paper strives to identify through geostatistical simulations the parameters which build up
a correlation between radionuclide activity concentrations measured on core samples and …

Application of ISOCS system in the laboratory efficiency calibration

D Grządziel, K Kozak, J Mazur, M Mroczek - Journal of environmental …, 2018 - Elsevier
Abstract ISOCS (In Situ Counting Object System) from Canberra is applied in laboratory for
creating efficiency calibrations of good quality without using radioactive standards. Besides …

Determination of the neutron activation profile of core drill samples by gamma-ray spectrometry

D Gurau, S Boden, O Sima, D Stanga - Applied Radiation and Isotopes, 2018 - Elsevier
This paper provides guidance for determining the neutron activation profile of core drill
samples taken from the biological shield of nuclear reactors using gamma spectrometry …