Investigation of Radiation Effects on Coffee Beans Using ESR Technique
Journal Title: Cumhuriyet Science journal - Year 2018, Vol 39, Issue 3
Abstract
In this study, radiation effects on coffee beans have been investigated by Electron Spin Resonance (ESR) technique. ESR spectra of natural and irradiated samples at different doses between 0.5 Gy and 11 kGy by 60Co gamma source were recorded with X-band ESR spectrometer and, radiation dose, ESR microwave power and cavity temperature dependency of paramagnetic centers were investigated. At the results of dose- response and kinetic studies it was determined that the paramagnetic centers in coffee beans are stable, and sensitive to radiation. Thus, it is shown that the irradiated beans can be used for detection as radiation dosimeter in the investigated dose range.
Authors and Affiliations
Emel ECE, M. Özgür SEZER, Ayhan ÖZMEN, Ülkü SAYIN
Archimedean Copula Estimation Parameter with Kendall Distribution Function
In the literature, up to now, it is common that for Gumbel, Clayton and Frank calculated Kendall Distribution function and to the extent those applications have been made. In this paper, we made Kendall Distribution fun...
Determination of Parasitoids and its Parasitoids Life of Diplolepis fructuum (Rübsaamen) (Hymenoptera: Cynipoidea) as Pest of Rosehip (Rosa canina) in Sivas
This study was made to determine parasitoids and their parasitoids life of D. fructuum which are gall-inducing on Rosa canina. In the results of the study, as parasitoids were recorded thirteen species belong to Chalcido...
A Fuzzy Logic Application for Explain Relationships Between 222Rn Concentration and Earthquakes
Earthquake behaviors are, in general, among the non-linear topics of physics. Unfortunately researches up to now could not yet propose a complete mathematical model for earthquake behavior prediction possibilities. The m...
Source Rock Characterictic of The Kızıldere Clays (ARSUZ-HATAY)
Iskenderun Bay is the extension of the Adana Basin and is a convenient place for hydrocarbon exploration in terms of its formation mechanism. It is necessary to find rocks that can display lithological properties of sour...
Experimental and Numerical Research of the Flow Features Around the Building Pairs with Different Types
Flow structure on the building is a primary factor in dispersing of air pollutants into and around of the building. Therefore, it is required to determine air motions outside of the building. In this study, flow features...