10 research outputs found

    NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT

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    The linear differential scattering coefficients at 60 keV have been measured for GaAs, p-Si and n-Si semiconductors at seven angles ranging from 60 degrees to 120 degrees at intervals of 10 degrees. The results have been compared with relativistic and non-relativistic theoretical values. The objective of this work is to seek evidence whether there is a relationship between the LDSC and the scattering angle. The LDSCs have been measured with energy-dispersive X-ray fluorescence spectroscopy (EDXRF) for wafers as GaAs, n- and p-type Si. This is the first time the LDSCs have been measured at < 100 keV energies, so there is no comparable findings reported in the literature. (C) 2009 Elsevier B.V. All rights reserved

    Measurement of X-ray transmission factors of some boron compounds

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    Measurements have been made to determine X-ray transmission factors of some boron compounds (H3BO3,Na2B4O7 and B3Al2O3) by using an extremely narrow-collimated-beam transmission method in the energy range 15.746-40.930 keV. The characteristic Kalpha and Kbeta X-rays of the different elements (Zr, Me, Ag, In, Sb, Ba and Pr) passed through boron compounds were detected with a high-resolution Si(Li) detector. Results are presented and discussed in this paper. (C) 2003 Elsevier Ltd. All rights reserved

    Experimental studies on measurements of mass attenuation coefficients of boric acid at different concentration

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    Measurements have been made to determine variation of the mass attenuation coefficients of H3BO3 according to percentage increasing concentration of H3BO3 by using an extremely narrow-collimated-beam transmission method in the energy range 15.746-40.930 keV with an X-ray transmission method. The characteristic K-alpha and K-beta X-rays of the different elements (Zr, Mo, Ag, In, Sb, Ba and Pr) passed through boric acid was detected with a high-resolution Si(Li) detector. Results are presented and discussed in this paper. (C) 2003 Elsevier Ltd. All rights reserved

    Measurement of mass attenuation coefficients of some boron compounds and the trommel sieve waste in the energy range 15.746-40.930 keV

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    Mass attenuation coefficients of some boron compounds (H3BO3, Na2B4O7 and B3Al2O3) and the trommel sieve waste (TSW) have been measured by using an extremely narrow collimated-beam transmission method in the energy range 15.746-40.930 keV. The characteristic Kalpha and Kbeta X-rays of Zr, Mo, Ag, In, Sb, Ba and Pr passed through H3BO3, Na2B4O7, B3Al2O3 and TSW were detected with a high-resolution Si(Li) detector. The measured values are compared with the theoretical ones obtained using the WINXCOM. (C) 2003 Elsevier Science Ltd. All rights reserved

    Comparison of radioactive transmission and mechanical properties of Portland cement and a modified cement with trommel sieve waste

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    In this study, it was aimed to stabilize trommel sieve waste (TSW) occurring during manufacture of borax from tincal. The effects of TSW added on the mechanical properties and radioactive transmission of modified cement prepared by adding TSW to clinker was investigated. The properties which TSW as additive caused the cement to gain were tested and compared with normal Portland cement

    Electrical Behavior of Probertite by Dielectric Spectroscopy

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    WOS: 000345899000008In this work of the material investigation, electrical parameters, which are real part and imaginary part of modulus, dielectric constant, dissipation factor, and conductivity, in the bulk pellet of probertite sample is presented. Electrical properties were investigated via temperature and frequency dependent dielectric spectroscopy. Real and imaginary part of dielectric parameter properties of the probertite were measured at frequencies from 100 to 15M Hz in the temperature range of 25 to 150 degrees C. Temperature dependence of the real part of the dielectric constant suggests that these compounds exhibit strong electromagnetic absorption and broadband electrical behavior

    Dielectric characterization of electro-coagulated boron waste

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    WOS: 000330143000055The source of electro-coagulation boron waste (ECBW) is wastewater. In order to remove boron from wastewater, boron carried to mud in the form of industrial solid waste is rinsed through electrocoagulation method. The dielectric dispersion properties of the ECBW were analyzed determining the parameters such as complex dielectric functions, dissipation factor and surface conductivity. It is found that at lower frequencies, ECBW sample exhibits a high dissipation factor. The Cole-Cole plots of the sample indicate that the dielectric dispersion mechanism is a Debye type. The boron waste exhibits a high resistance material behavior with a value of 1.03 x 10(9) ohm/sq. and this result is consistent with the electrical behavior of ECBW plate. This study has shown that due to its high resistance and high dielectric dissipation factor, ECBW can be a valuable material for use in many industrial applications which require electrostatic dissipation or electromagnetic shielding. (C) 2013 Elsevier Ltd. All rights reserved.Yildiz Technical University [2011-01-01-KAP01]This work was partially supported by Yildiz Technical University through the project number is 2011-01-01-KAP01
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