Browsing FEF, Fizik Bölümü Koleksiyonu by Author "As, Nilüfer"
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Annual effective dose and concentration levels of gross alpha and beta in Turkish market tea
Görür, Filiz Korkmaz; Keser, Recep; Akçay, Nilay; As, Nilüfer; Dizman, Serdar (Ijrr-Iranian Journal Radiation Res, 2012)Background: Tea is one of the most popular beverages all over the world which is prepared from the leaves of a shrub camellia sinensis. Eastern Black Sea Region of Turkey which account for around 100% of all tea production ... -
Radioactivity and heavy metal concentrations in food samples from Rize, Turkey
Görür, Filiz Korkmaz; Keser, Recep; Akçay, Nilay; Dizman, Serdar; As, Nilüfer; Okumuşoǧlu, Nazmi Turan (Wiley, 2012)BACKGROUND: Rize in Turkey was contaminated by the Chernobyl accident in 1986. A comprehensive study was planned and carried out to determine the radioactivity levels and heavy metal concentrations in four food categories ... -
Selective radiation measurement for safety evaluation on base stations
Şahin, Mustafa Ergin; As, Nilüfer; Karan, Yasin (Gazi University, 2013)In this paper, general information about unionized radiation, standards and measurement routines for wireless communication systems, electromagnetic fields and antenna structures are given. The safety of mobile phones has ... -
Spectrum analyzer measurement technique for safety evaluation on wireless communication systems
Şahin, Mustafa Ergin; Karan, Yasin; As, Nilüfer (IEEE, 2011)In this paper, general information about, unionized radiation, wireless communication systems and electromagnetic fields are given. The safety of mobile phones has been evaluated in terms of specific absorption ratio (SAR). ...