نتایج جستجو برای: 232th and 40k

تعداد نتایج: 16827271  

K.D. Oyeyemi, M. Malik, Mojisola Usikalu, O.O. Adewoyin, P.P. Maleka,

Background: Natural radionuclides are always present in the environment. Human exposure to the background radiation is inevitable. It is therefore important to assess health risk associated with these radionuclides. Materials and Methods: The distribution of natural radionuclides 238U, 232Th and 40K in soil samples collected from all the twenty (20) local Governments headquarter areas in Ogun s...

T. Al-Shemali, T. Alrefae, T.N. Nageswaran,

Background: Breakfast cereal is a nutritious type of food that is widely consumed by various age groups in Kuwait. This study investigates the presence of long-lived gamma emitters in breakfast cereal, and estimates annual effective doses to various age groups. Materials and Methods: Breakfast cereal samples were collected from the Kuwaiti local market. The samples originated from diff...

E. Ehsanpour H. Bagheri M. Mostajaboddavati M.R. Abdi

This study was conducted to determine the radioactivity concentration in soil samples of Anarak-Khour district located at central Iran. 48 soil samples from a depth of 10-15 cm were taken from seven different sites for monitoring. The radioactivity concentration of 238U, 232Th, 137Cs and 40K in soil samples was determined, using a high resolution (HPGe detector, p-type) γ-spectrometry by detect...

Journal: :Brazilian Journal of Radiation Sciences 2023

Assessment of public exposure to background radiation was performed in Manyoni, Tanzania address concerns following the discovery uranium deposits their neighborhoods. Results show that highest concentrations radionuclides are 112, 95 and 463 Bq.kg-1 for 226Ra, 232Th 40K, respectively. The annual effective dose is 2.91 mSv.y-1 with a mean value 1.29 mSv.y-1. Authorities may use these results as...

Journal: :iranian journal of radiation research 0
s.j. dhawal center for interdisciplinary research, d.y patil university, kolhapur-416004, ms, india g.s. kulkarni department of technology, shivaji university, kolhapur- 416004, ms, india s.h. pawar center for interdisciplinary research, d.y patil university, kolhapur-416004, ms, india

background: the natural radionuclides are always present in soil and care needs to be taken to minimize the radiation dose to humans. these radionuclides are mostly gamma ray emitting radionuclides which contribute to the radiation dose in long term behavior of radionuclides in soil. health hazards associated with natural radioactivity are of great concern and it is necessary to assess risk due...

Journal: :iranian journal of radiation research 0
t. alrefae deptartment of physics, faculty of science, kuwait university, khaldia, kuwait t.n. nageswaran center for research in environmental radiation, faculty of science, kuwait university, khaldia, kuwait t. al-shemali center for research in environmental radiation, faculty of science, kuwait university, khaldia, kuwait

background: breakfast cereal is a nutritious type of food that is widely consumed by various age groups in kuwait. this study investigates the presence of long-lived gamma emitters in breakfast cereal, and estimates annual effective doses to various age groups. materials and methods: breakfast cereal samples were collected from the kuwaiti local market. the samples originated from different cou...

2016
Matthew Tikpangi Kolo Mayeen Uddin Khandaker Yusoff Mohd Amin Wan Hasiah Binti Abdullah

Following the increasing demand of coal for power generation, activity concentrations of primordial radionuclides were determined in Nigerian coal using the gamma spectrometric technique with the aim of evaluating the radiological implications of coal utilization and exploitation in the country. Mean activity concentrations of 226Ra, 232Th, and 40K were 8.18±0.3, 6.97±0.3, and 27.38±0.8 Bq kg-1...

Journal: :iranian journal of radiation research 0
k. kant department of physics, aggarwal college ballabgarh, haryana, india– 121 004 r. gupta department of physics and astro physics, university of delhi, delhi, india r. kumari department of physics, aggarwal college ballabgarh, distt. faridabad, haryana, india n. gupta department of humanities and applied sciences, aitm, palwal haryana, india m. garg faculty of humanities and applied sciences, ymcaust, faridabad (haryana), india

background: vegetation (food stuff) is grown in soil that contains many radioactive elements such as 238u (uranium), 232th (thorium) and 40k (potassium), which may get deposited either due to radioactive fallout or/and by absorption from the soil and can pose serious health hazards. materials and methods: natural radioactivity, radiological hazards and annual effective dose assessment was carri...

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