نتایج جستجو برای: radiological hazard

تعداد نتایج: 98668  

Journal: :pollution 2015
nisar ahmad mohamad jaafar mohammed alsaffar

a study on natural radioactivity in virgin and agricultural soil samples collected from sungai petani was conducted using high-purity germanium. the mean activity concentrations of 226ra, 232th, and 40k in virgin soils were 51.06±5.83, 78.44±6.42, and 125.66±7.26 bq kg−1, respectively, while those in agricultural soils were 80.63±5.78, 116.87±7.87, and 200.66±18.24 bq kg−1, respectively. the co...

Journal: :iranian journal of radiation research 0
m. rafique department of physics, university of azad jammu & kashmir muzaffarbad, azad kashmir, pakistan h. rehman department of physics, university of azad jammu & kashmir muzaffarbad, azad kashmir, pakistan matiullah physics division, pinstech, p.o. nilore, islamabad, pakistan f. malik physics division, pinstech, p.o. nilore, islamabad, pakistan m.u. rajput physics division, pinstech, p.o. nilore, islamabad, pakistan s.u. rahman department of physics, comsats institute of information technology, islamabad, pakistan

background: health hazards associated with exposure due to the natural radioactivity which is a part of our physical environment are of great concern. in order to assess the risks associated with exposure due to the natural radioactivity in soil and building materials, extensive studies have been carried out all over the world. the most commonly encountered radionuclide’s are 238u, 232th, their...

R. Keser, S. Dizman,

Background: The natural radioactivity levels in ceramic tiles produced in Turkey were determined and the related radiological hazards were assessed. Materials and Methods: The natural radioactivity levels (226Ra, 232Th and 40K) in the ceramic tiles were measured using high-purity germanium detector system (HPGe) and the related radiological hazards were assessed by radium equivalent activity (R...

G. A. M. Ali , K. A. Aly , K. F. Chong, K. H. S. Shaaban, M. A. M. Uosif , R. Elsaman, Y. B. Saddeek ,

Background: The new glasses from harmful environmental waste such as cement dust; limestone phosphate, sand and borax (Genkare) were manufactured. Investigation of the radioactivity present in these materials (Phosphate rock, cement dust, limestone, sand and borax) enables one to assess any possible radiological hazard to humankind by such materials. Materials and Methods: Fifteen samples were ...

Journal: :محیط شناسی 0
احمد جهانگیری دانشیار گروه زمین شناسی دانشکدة علوم طبیعی، دانشگاه تبریز صالح اشرفی استادیار فیزیک هسته ای دانشکدة فیزیک، دانشگاه تبریز

the radionuclides 226ra, 232th and 40k concentrations measured as well as radiological parameters, for 14 granite samples that use in iran as building material were calculated. the measurements of the radioactivity concentrations were carried out at nuclear physics laboratory university of tabriz. this subject is important in environmental radiological protection, since granites are extensively...

A study on natural radioactivity in virgin and agricultural soil samples collected from Sungai Petani was conducted using high-purity germanium. The mean activity concentrations of 226Ra, 232Th, and 40K in virgin soils were 51.06±5.83, 78.44±6.42, and 125.66±7.26 Bq kg−1, respectively, while those in agricultural soils were 80.63±5.78, 116.87±7.87, and 200.66±18.24 Bq kg−1, respectively. The co...

Journal: :Journal of Geoscience and Environment Protection 2016

Journal: :International Journal of Advanced Science and Technology 2015

K. Kant, M. Garg, R. Kumari,

Background: Natural radionuclides in rock samples, primarily 238U (uranium), 232Th (thorium) and 40K (potassium), are the main source of radiation exposure to workers and general public and their measurement is of paramount importance from radiation protection point of view. Materials and Methods: Gamma spectrometry using HPGe detector was used to measure the radioactivity and assess the radiol...

Journal: Pollution 2015

A study on natural radioactivity in virgin and agricultural soil samples collected from Sungai Petani was conducted using high-purity germanium. The mean activity concentrations of 226Ra, 232Th, and 40K in virgin soils were 51.06±5.83, 78.44±6.42, and 125.66±7.26 Bq kg−1, respectively, while those in agricultural soils were 80.63±5.78, 116.87±7.87, and 200.66±18.24 Bq kg−1, respectively. The co...

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