Zobrazeno 1 - 10
of 41
pro vyhledávání: '"S.M. Metwally"'
Publikováno v:
Journal of Taibah University for Science, Vol 11, Iss 4, Pp 534-539 (2017)
The green and red emission bands of natural dolomite were analyzed by the thermoluminescence (TL) method to test the possibility of their use in different applications in radiation measurements in a range of doses between 1 Gy and 104 Gy. The natural
Externí odkaz:
https://doaj.org/article/5b2c9d49b36a4ce3a61a4d3159444ed0
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Publikováno v:
Applied Radiation and Isotopes. 151:81-88
If the sample and the calibration standard are identical in geometry and in density, many laboratories of radioactivity measurement using gamma spectrometry, do not proceed to the correction of the effect of the possible difference in chemical compos
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Publikováno v:
Radiation Measurements. 42:116-120
Radon and its related parameters were measured using passive (CR-39) and active (Alpha-Guard analyzer) techniques inside seven ancient Egyptian tombs of the Valley of the Kings in Luxor. The measurements were performed throughout the winter and summe
Publikováno v:
Radiation Measurements. 41:197-200
Some ancient Egyptian tombs in Saqqara are closed for visit to undergo fixation processes. The workers inside these tombs exposed to natural radiations from natural Gamma emitters (external exposure) and inhale unknown radon doses (internal exposure)
Publikováno v:
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. 550:201-211
Due to the variation of the activity levels of various samples in γ-ray spectroscopy, the source-to-detector distance is not fixed at a constant value. This means that the measurements of the absolute detector efficiency must be carried out for each
Autor:
M. G. Abd El Wahed, S.M. Metwally
Publikováno v:
Materials Chemistry and Physics. 78:299-303
Complexes of adenine with some divalent transition metal chlorides were prepared in aqueous solution and characterised by conductometric and photometric titrations, electronic and infrared spectra as well as thermal analysis. The electrical conductiv
Publikováno v:
Materials Chemistry and Physics. 47:62-67
The electrical conductivity of some heterocyclic amines and their complexes with Zn(II), Cd(II), Hg(II), As(III), Sb(III) and Bi(III) has been measured in the temperature range 290–450 K. The activation energy of conduction process, the charge carr