Uranium content in phosphate fertilizers commercially produced in Brazil

IM Yamazaki, LP Geraldo - Applied Radiation and Isotopes, 2003 - Elsevier
This work presents the results of the determination of uranium concentration in the most
commonly used phosphate fertilizers employed in Brazilian agricultural land. The technique …

The methodology for validation of cross sections in quasi monoenergetic neutron field

Z Matěj, M Košťál, M Majerle, M Ansorge, E Losa… - Nuclear Instruments and …, 2022 - Elsevier
Dosimetry cross sections are fundamental quantities for proper determination of the neutron
fluences in points of interest under heavy radiation load. One of the critical applications is …

A reference neutron field for measurement of spectrum averaged cross sections

M Košťál, M Schulc, E Losa, J Šimon… - Annals of Nuclear …, 2020 - Elsevier
A new reactor neutron reference field is proposed, which can be used for measurements of
spectrum averaged cross sections (SACS). The reference field is identified in the center of a …

Validation of IRDFF-II library in VR-1 reactor field using thin targets

M Kostal, E Losa, M Schulc, J Simon, T Bily… - Annals of Nuclear …, 2021 - Elsevier
Cross section data are fundamental quantities which affect the accuracy of all calculations in
nuclear applications. A new dosimetry library IRDFF-II that contains cross section …

Impact of reactor neutron spectrum on measured spectrum averaged cross sections

M Košťál, E Losa, S Simakov, M Schulc, J Šimon… - Annals of Nuclear …, 2022 - Elsevier
The cross section averaged over 235 U thermal-neutron induced fission spectrum is a
fundamental quantity that can be used in evaluation and validation of nuclear data. Many …

Measurement of the thermal neutron capture cross section and resonance integral of Am-241

NL Maidana, MS Dias, MF Koskinas - Radiochimica Acta, 2001 - degruyter.com
Measurements of the thermal neutron cross section and resonance integral for the reaction
241Am (n, γ) 241gAm have been performed at the IEA-R1 research reactor operating at 2 …

A new generation of track etched membranes for microfiltration and ultrafiltration. Part I. Preparation and characterisation

IM Yamazaki, R Paterson, LP Geraldo - Journal of membrane science, 1996 - Elsevier
A new experimental apparatus for porous track etched membrane production has been
designed, tested and installed near the core of the IEA-R1 nuclear reactor at IPEN-Sao …

Theoretical assessment and targeted modeling of TiO2 in reactor towards the scandium radioisotopes estimation

SF Hosseini, M Sadeghi, MR Aboudzadeh - Applied Radiation and …, 2017 - Elsevier
Abstract 47 Sc radioisotope with beta particle emission can be used for targeted
radionuclide therapy in nuclear medicine and can be produced by nuclear reactor (with high …

Uranium levels in the diet of São Paulo City residents

F Garcia, A Barioni, JDT Arruda-Neto… - Environment …, 2006 - Elsevier
Natural levels of uranium in the diet of São Paulo City residents were studied, and
radionuclide concentrations were measured by the fission track method on samples of …

Threshold Reaction Cross Sections of Nickel Isotopes, Averaged Over a 235U Fission Neutron Spectrum

MA Arribére, SR Guevara, PM Suárez… - Nuclear science and …, 2001 - Taylor & Francis
We have measured, for nickel isotopes, several threshold reaction cross sections averaged
over a 235U fission neutron spectrum. The measured reactions, and corresponding …