Search Results - "Hůlka, Jirí"
-
1
Low Radon Cleanroom for Underground Laboratories
Published in Frontiers in public health (02-02-2021)“…Aim of a low radon cleanroom technology is to minimize at the same time radon, radon decay products concentration and aerosol concentration and to minimize…”
Get full text
Journal Article -
2
Activity of natural radionuclide 210Pb in different foodstuffs in the Czech Republic and its annual intake
Published in Czech Journal of Food Sciences (31-12-2019)“…Activities of 210Pb in 18 sorts of foodstuffs were determined by radiochemical analysis. The lowest activity was found in carrots (0.01 Bq/kg) and cabbage…”
Get full text
Journal Article -
3
Urban working groups in the IAEA's model testing programmes: overview from the MODARIA I and MODARIA II programmes
Published in Journal of radiological protection (17-02-2022)“…The IAEA's model testing programmes have included a series of Working Groups concerned with modelling radioactive contamination in urban environments. These…”
Get more information
Journal Article -
4
Calibration of ductile fracture criteria at negative stress triaxiality
Published in International journal of mechanical sciences (01-04-2016)“…The aluminium alloy 2024-T351 and AISI 1045 carbon steel was examined in scope of uncoupled ductile fracture criteria calibration using newly designed…”
Get full text
Journal Article -
5
A comparison of different detection techniques for 137Cs measurements of cattle in vivo
Published in Radiation protection dosimetry (16-11-2023)“…Agricultural lands with farm animals (e.g. cattle) can be significantly affected by radioactive contamination following nuclear or radiation accidents. In…”
Get full text
Journal Article -
6
Efficiency calibration of a CZT detector and MDA determination for post accidental unmanned aerial vehicle dosimetry
Published in Applied radiation and isotopes (01-12-2019)“…•Efficiency calibrations for geometries of a point source and a surface plane source were performed using the MCNP code.•Based on natural background spectra…”
Get full text
Journal Article -
7
Comparative investigation of ductile fracture with 316L austenitic stainless steel in small punch tests: Experiments and simulations
Published in Theoretical and applied fracture mechanics (01-12-2018)“…•Wide range of stress states is experimentally described for AISI 316L.•Detailed study of fracture surfaces produced by penetration tests.•Non-standard…”
Get full text
Journal Article -
8
Identification of shielded sources using a CZT detector and an unmanned ground vehicle
Published in Radiation physics and chemistry (Oxford, England : 1993) (01-08-2023)“…This work is dedicated to ability of a coplanar cadmium zinc telluride (CZT) detector to identify lost/orphan radioactive sources hidden inside soil layers…”
Get full text
Journal Article -
9
Advanced simulation techniques for the transport of routine atmospheric discharges using the JRODOS system
Published in Progress in nuclear energy (New series) (01-03-2023)“…This work is dedicated to a study of routine atmospheric discharges from the Dukovany Nuclear Power Plant (NPP), Czechia. Radionuclide discharges and their…”
Get full text
Journal Article -
10
The use of a CZT detector with robotic systems
Published in Applied radiation and isotopes (01-12-2020)“…This work is focused on the use of a CZT detector for a radiation mapping with an industrial robotic arm. Measurements were carried out within the RadioRoSo…”
Get full text
Journal Article -
11
Dosimetry in mixed neutron-gamma fields with a Timepix detector
Published in Radiation measurements (01-12-2018)“…We used the hybrid semiconductor pixel detector Timepix as an area dosimeter in mixed neutron-gamma fields. The surface of the detector was covered with…”
Get full text
Journal Article -
12
Timepix detector as a tool for X-ray and gamma dosimetry
Published in Radiation measurements (01-12-2017)“…We present a concept of using Timepix detector for real-time and simultaneous measurements of various external dosimetry and operational quantities in…”
Get full text
Journal Article -
13
Strain hardening exponent role in phenomenological ductile fracture criteria
Published in European journal of mechanics, A, Solids (01-05-2016)“…The performance of ductile fracture criteria often depends on the accuracy of material constants identification. Calibration process of three uncoupled…”
Get full text
Journal Article -
14
Sequential simulation and neural network in the stress–strain curve identification over the large strains using tensile test
Published in Archive of applied mechanics (1991) (01-06-2017)“…Two alternative methods for the stress–strain curve determination in the large strains region are proposed. Only standard force–elongation response is needed…”
Get full text
Journal Article -
15
Extremely Low-Stress Triaxiality Tests in Calibration of Fracture Models in Metal-Cutting Simulation
Published in Metallurgical and materials transactions. A, Physical metallurgy and materials science (01-11-2016)“…The cutting process is now combined with machining, milling, or drilling as one of the widespread manufacturing operations. It is used across various fields of…”
Get full text
Journal Article -
16
Technical recommendations for thyroid dose rate measurements made by members of the public
Published in Radiation measurements (01-09-2019)“…Technical recommendations in respect of the thyroid dose rate measurements potentially carried out by members of the public in case of nuclear power plant…”
Get full text
Journal Article -
17
Advancements in NORM metrology – Results and impact of the European joint research project MetroNORM
Published in Applied radiation and isotopes (01-08-2017)“…The results of the three years European Metrology Research Programme's (EMRP) joint research project ‘Metrology for processing materials with high natural…”
Get full text
Journal Article -
18
Systém pro kontinuální monitorování radioaktivní kontaminace povrchových vod
Published in Vodohospodářské technicko-ekonomické informace : VTEI (16-12-2019)Get full text
Journal Article -
19
Applicability of various insulating materials for radon barriers
Published in Science of the total environment (14-05-2001)“…The effectiveness of various insulating materials for limiting radon entry into houses has been investigated under laboratory conditions. Results for the radon…”
Get full text
Journal Article Conference Proceeding -
20
Size distribution of aerosol particles produced during mining and processing uranium ore
Published in Journal of environmental radioactivity (01-06-2016)“…The aerosol particle size distributions of uranium and its daughter products were studied and determined in the area of the Rožná mine, which is the last…”
Get full text
Journal Article