Radiation Science and Technology

Volume 3, Issue 6, November 2017

  • Image Quality and Exposure Control for Over-the-Table X-ray Systems Using a Flat-panel Detector

    Jouji Ohta, Koichi Chida

    Issue: Volume 3, Issue 6, November 2017
    Pages: 54-59
    Received: Aug. 16, 2017
    Accepted: Oct. 19, 2017
    Published: Nov. 10, 2017
    DOI: 10.11648/j.rst.20170306.11
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    Abstract: Quality control (QC) is essential for ensuring that the X-ray images produced by fluoroscopy systems are of sufficient quality to provide adequate diagnostic information consistently with the least possible radiation exposure. However, there are limited data on QC (image quality and radiation exposure) in fluoroscopy systems with over-the-table X-r... Show More
  • Public Exposure Due to Natural Radioactivity in Madagascar Uranium Zone Using Direct and Indirect Method, Case of Vatovory Abandoned Site and Its Surroundings

    Razafindramiandra Hary Andrianarimanana, Randriamora Tiana Harimalala, Rasolonirina Martin, Ralaivelo Mbolatiana Anjarasoa Luc., Randrianarivony Edmond, Randriantseheno Hery Fanja, Randriantsizafy Ralainirina Dina

    Issue: Volume 3, Issue 6, November 2017
    Pages: 60-67
    Received: Oct. 06, 2017
    Accepted: Oct. 28, 2017
    Published: Nov. 20, 2017
    DOI: 10.11648/j.rst.20170306.12
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    Abstract: The rural Municipality of Vinaninkarena (19°57'21.9"S; 47°02'22.1"E) has abandoned uranium site, located in the Vatovory village. The uranium mining has been exploited by CEA (Commissariat à l'Energie Atomique) French Company between 1946 and 1952. After closing of exploitation, the hazards of internal and external exposures persist, because most o... Show More
  • Evaluation of Natural Radioactivity Levels and Radiological Hazards in Soil Samples of Sarıkamış Province, Kars, Turkey

    Gülçin Bilgici Cengiz, Aslı Çağlar

    Issue: Volume 3, Issue 6, November 2017
    Pages: 68-73
    Received: Aug. 03, 2017
    Accepted: Nov. 08, 2017
    Published: Dec. 13, 2017
    DOI: 10.11648/j.rst.20170306.13
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    Abstract: In this study, the activity concentrations of 121 soil samples gathered from diverse places of Sarıkamış of Kars were found out employing NaI (Tl) gamma spectrometry. It was monitored that the concentration of the natural radionuclides 40K, 226Ra and 232Th in the soil samples altered from 148.0±31.2 to 909.2±38.4 Bqkg-1, BDL to 38.1±8.9 Bqkg-1 and ... Show More