000 01999cam a2200313 a 4500
003 EG-GiCUC
008 151214s2014 ua dh f m 000 0 eng d
040 _aEG-GiCUC
_beng
_cEG-GiCUC
041 0 _aeng
049 _aDeposite
097 _aM.Sc
099 _aCai01.12.20.M.Sc.2014.Ha.A
100 0 _aHammam Abdullah Abdurabu Thabit
245 1 0 _aAssessment of natural radioactivity concentrations in some environmental samples from Yafea area, Yemen /
_cHammam Abdullah Abdurabu Thabit ; Supervised Abdallah Abdelsalam , Samir Elkameesy
246 1 5 _aتقدير تراكيز النشاط الإلشعاعي الطبيعي في بعض العينات البيئية من منطقة يافع: اليمن
260 _aCairo :
_bHammam Abdullah Abdurabu Thabit ,
_c2014
300 _a100 , 7P. :
_bcharts , facsimiles ;
_c25cm
502 _aThesis (M.Sc.) - Cairo University - Faculty of Science - Department of Physics
520 _aThis study aimed at investigating the radiological hazard of environmental rock and soil samples used as building materials in Yemen. The activity concentrations of ²²⁶Ra,²³²Th and ⁴{u⁰⁰B⁰}K in the collected samples were determined using high-resolution gamma spectrometry. The radium equivalent, external hazard, internal hazard, representative level, absorbed dose rate and the annual effective dose were also estimated. The obtained data could be considered beside its scientific value data baseline for drawing a radiological map of Yafea town in Yemen. Further investigations of the samples have been performed using X-ray fluorescence and remarkable concentrations of both Fe, Al and Ti have been observed
530 _aIssued also as CD
653 4 _aEnvironmental samples
653 4 _aNatural radioactivity
653 4 _aYemen
700 0 _aAbdallah Abdelsalam ,
_eSupervisor
700 0 _aSamir Elkameesy ,
_eSupervisor
905 _aNazla
_eRevisor
905 _aSoheir
_eCataloger
942 _2ddc
_cTH
999 _c53929
_d53929