Zobrazeno 1 - 10
of 50
pro vyhledávání: '"R. Gholipour Peyvandi"'
Autor:
R. Gholipour Peyvandi, S.Z. Islami rad
Publikováno v:
Nuclear Engineering and Technology, Vol 50, Iss 7, Pp 1154-1159 (2018)
Precise prediction of the radiation interaction position in scintillators plays an important role in medical and industrial imaging systems. In this research, the incident position of the gamma rays was predicted precisely in a plastic rod scintillat
Externí odkaz:
https://doaj.org/article/83a03ad4b94d498fa4db4315d45439cd
Publikováno v:
Nuclear Engineering and Technology, Vol 48, Iss 1, Pp 64-71 (2016)
Void fraction is an important parameter in the oil industry. This quantity is necessary for volume rate measurement in multiphase flows. In this study, the void fraction percentage was estimated precisely, independent of the flow regime in gas–liqu
Externí odkaz:
https://doaj.org/article/071dc730151d47a2b4bb1b6b044d9164
Autor:
R Gholipour Peyvandi
Publikováno v:
مجله علوم و فنون هستهای, Vol 32, Iss 2, Pp 37-40 (2011)
Different researches have been performed on natural exposure of cosmic rays and their effects on the human health. Monitoring of cosmic derived gamma ray exposure of aircrews and passengers is the subject of the current study. In this paper, the cont
Externí odkaz:
https://doaj.org/article/2f70c27fa25149259bb4c5c3535bed21
Autor:
M Moosavi, S Setayeshi, S.J Ahmadi, M.R Kardan, R Gholipour Peyvandi, A Bahrami Samani, B Salimi, A Abbasi, S.M Mazidi, S.H Mirfallah, M Ghannadi Maragheh
Publikováno v:
مجله علوم و فنون هستهای, Vol 30, Iss 1, Pp 53-56 (2009)
Strontium-89 is one of the most important radioisotopes used in nuclear medicine for therapy of bone pain caused by bone metastases. That is due to the beta radiation with sufficient energy for destroying metastatic sites in bone tissue. The routine
Externí odkaz:
https://doaj.org/article/e0813b81bdc64b01bad9cccf3340834f
Publikováno v:
Radiochimica Acta. 108:159-164
The ability to precisely predict the volume fraction percentage of the different phases flowing in a pipe plays an important role in the oil, petroleum and other industries. In this research, the volume fraction percentage was measured precisely in w
Publikováno v:
Polish Journal of Medical Physics and Engineering. 25:93-100
Monte Carlo simulation is widely used in emission tomography, in order to assess image reconstruction algorithms and correction techniques, for system optimization, and study the parameters affecting the system performance. In the current study, the
Publikováno v:
Radiation Physics and Chemistry. 157:1-5
The problem of how to precisely estimate the radiation interaction position is an important parameter in medical and industrial imaging systems. This paper presents a new methodology for prediction of the incident position of the gamma rays based att
Publikováno v:
Russian Journal of Nondestructive Testing. 54:448-454
Cement raw materials consist of some minerals that their amount affects the final cement properties. A continuous controlling system to check the constitutive elements is inevitable for cement industries. Prompt Gamma-Ray Neutron Activation Analyze i
Publikováno v:
Instruments and Experimental Techniques. 59:75-81
Detector calibration plays an important role in improving of image quality and increasing performance of positron emission tomography (PET) systems. To achieve this aim, raw data coordinate event-byevent are mapped to the index of the crystal in whic
Publikováno v:
The European Physical Journal Plus. 132
The determination of the volume fraction percentage of the different phases flowing in vessels using transmission gamma rays is a conventional method in petroleum and oil industries. In some cases, with access only to the one side of the vessels, att