Per Roos

Per Roos

Seniorforsker

DTU NUTECH
Center for Nukleare Teknologier

Nutech Hevesy Laboratoriet
Nutech HEV Radioøkologi

Danmarks Tekniske Universitet

Frederiksborgvej 399

Bygning 204, rum S08

4000 Roskilde

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Publikationer
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2018
 

Calibration of HPGe–HPGe coincidence spectrometer through performing standardisation of  125I activity by X-ray-gamma coincidence spectrometry using two HPGe detectors

Marković, Nikola ; Roos, Per ; Hou, Xiaolin ; Lutter, Guillaume ; Nielsen, Sven Poul
in: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, vol: 880, pages: 194-200

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1016/j.nima.2017.10.086

 

Challenges associated with the behaviour of radioactive particles in the environment

Salbu, Brit ; Kashparov, Valery ; Lind, Ole Christian ; Garcia-Tenorio, Rafael ; Johansen, Mathew P. ; Child, David P. ; Roos, Per ; Sancho, Carlos
in: Journal of Environmental Radioactivity, vol: 186, pages: 101-115

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1016/j.jenvrad.2017.09.001

  PDF

Determination of 93Mo (and 94Nb) in nuclear decommissioning waste from a nuclear reactor

Osváth, Szabolcs ; Hou, Xiaolin ; Roos, Per ; Qiao, Jixin ; Markovic, Nikola
Presented at:
18th Radiochemical Conference

Type: Conference abstract for conference (Peer reviewed)

Status: Published     |    År: 2018

  PDF

Determination of 93Mo (and 94Nb) in nuclear decommissioning waste from a nuclear reactor

Osváth, Szabolcs ; Hou, Xiaolin ; Roos, Per ; Qiao, Jixin ; Markovic, Nikola
Presented at:
18th Radiochemical Conference

Type: Sound/Visual production (digital)

Status: Published     |    År: 2018

 

On the application of ICP-MS techniques for measuring uranium and plutonium: a Nordic inter-laboratory comparison exercise

Qiao, Jixin ; Lagerkvist, Petra ; Rodushkin, Ilia ; Salminen-Paatero, Susanna ; Roos, Per ; Lierhagen, Syverin ; Jensen, Karl Andreas ; Engstrom, Emma ; Lahaye, Yann ; Skipperud, Lindis
in: Journal of Radioanalytical and Nuclear Chemistry, vol: 315, issue: 3, pages: 565-580

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1007/s10967-018-5697-4

 

Pacific Proving Grounds radioisotope imprint in the Philippine Sea sediments

Pittauer, Daniela ; Roos, Per ; Qiao, Jixin ; Geibert, Walter ; Elvert, Marcus ; Fischer, Helmut W.
in: Journal of Environmental Radioactivity, vol: 186, pages: 131-141

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2018     |    DOI: https://doi.org/10.1016/j.jenvrad.2017.06.021

2017
  PDF

Anthropogenic 236U in Danish Seawater: Global Fallout versus Reprocessing Discharge

Qiao, Jixin ; Steier, Peter ; Nielsen, Sven Poul ; Hou, Xiaolin ; Roos, Per ; Golser, Robin
in: Environmental Science and Technology, vol: 51, issue: 12, pages: 6867-6876

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1021/acs.est.7b00504

  PDF

Coincidence gamma-ray spectrometry

Markovic, Nikola ; Roos, Per ; Nielsen, Sven Poul
part of: Proceedings of the 11th Symposium of the Croatian Radiation Protection Association, pages: 182-186, 2017
Presented at:
11th Symposium of the Croatian Radiation Protection Association

Type: Article in proceedings (Peer reviewed)

Status: Published     |    År: 2017

  PDF

Comparison of the analytical methods used to determine natural and artificial radionuclides from environmental samples by gamma, alpha and beta spectrometry

Pöllänen, Roy ; Virtanen, Sinikka ; Kämäräinen, Meerit ; Kaipiainen, Maria ; Hou, Xiaolin ; Roos, Per ; Eriksson, Mats ; Ehrs, Sara ; Nalbandyan, Anna ; Møller, Bredo ; Jonsson, Sofia ; Lagerkvist, Petra ; Tovedal, Annika

Type: Report

Status: Published     |    År: 2017

 

Digital gamma-gamma coincidence HPGe system for environmental analysis

Markovic, Nikola ; Roos, Per ; Nielsen, Sven Poul
in: Applied Radiation and Isotopes, vol: 126, pages: 194-196

Type: Journal article (Peer reviewed)

Status: Published     |    År: 2017     |    DOI: https://doi.org/10.1016/j.apradiso.2016.12.017


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16 JANUAR 2019