Natural radioactivity
Natural Radioactivity and Dose Assessment for Brands of Chemical and Organic Fertilizers Used in Saudi Arabia
... measure natural radioactivity in fertilizers and by-products, because the high radioactive content may lead to significant exposure of miners, manufacturers and end ...of radioactivity spread on ...
5
Analysis of Natural Radioactivity and Radiation Exposure Levels in Eburru Geothermal Field, Kenya
... This natural radioactivity is crucial for the earth system since the slow decay of radioactive elements is estimated to produce approximately half of the heat that drives major processes such as continental ...
6
Assessment of Natural Radioactivity Levels and Radiological Hazards of Cement in Iraq
... The natural radioactivity in soil and building materials mainly comes from uranium ( 238 U) series, thorium ( 232 Th) series and a radioactive isotope of potassium ( 40 K) (These radionuclides can be found ...
5
Evaluation of Natural Radioactivity in Marine Sand Deposits from Offshore China
... deposits from Liaodong Bay (LDB), North Yellow Sea (NYS), Zhoushan area (ZS), Taiwan Shoal (TS) and Pearl River Mouth (PR), offshore China, which are potential marine sand mining areas. The radiation activity equivalent ...
22
Natural radioactivity levels and radiation hazards for gypsum materials used in Egypt
... studying natural radioactivity and determining elemental concentrations and dose rates for various rock ...from natural and manufactured building materials used in Egypt, considered as the most ...
9
Estimation of Natural Radioactivity of Some Medicinal or Herbal Plants Used in Iraq
... the natural radioactivity presented in some selected medicinal plants commonly used in Iraq and to assess the radiological risk associated with the use of these medicinal ...
7
Natural radioactivity levels (K, Th and Ra) in some areas of Punjab, India
... Radioactivity, natural and man-made, is omnipresent in the earth’s crust in different ...amounts. Natural radioactive materials under certain conditions can reach hazardous radiological ...the ...
14
Evaluation of natural radioactivity of soil samples from different regions of Wassit governorate
... ABSTRACT: The present paper measures natural radioactivity in different areas of Wassit governorate, using (HPGe) detector. Gamma spectrum analysis for each sample along with caululated specific activity ...
7
Assessment of natural radioactivity in various commercial tiles used for building purposes in Nigeria
... of natural radionuclides [79_TD$DIFF] [8 – 10]. The knowledge of the natural radioactivity level of building materials is important for determination of population exposure to ...this ...
12
Determination of Natural Radioactivity Concentration in Consumed Nuts and Seeds and Their Implications in Human Body
... of radioactivity in different types of nuts and seeds which are consumed by people living in Saudi Arabia and to estimate their effective dose to the human ...of natural radioactivity, and background ...
5
Assessment of Natural Radioactivity Concentration and Dose in Surface Soil Samples from Atbara
... The natural radioactivity of soil depends on the soil formation and transport processes that were involved since soil formation; chemical and biochemical interaction influence the distribution ...
8
Natural Radioactivity and External Dose Assessment of Surface Soils in Bolikhamxay Province, Laos
... Natural radioactivity is widespread in the earth’s environment, it exists in the soil, plants, water, and ...from natural radionuclides and cosmic rays constitute the external ...exposure. ...
7
Natural radioactivity levels of selected areas in Juban District Yemen
... of natural radioactivity and to assess the corresponding health risk in the region of elevated background radiation in Juban District, ...area. Natural radionuclides in groundwater were estimated ...
50
NATURAL RADIOACTIVITY AND ASSOCIATED DOSE RATES OF SOIL SAMPLES IN DIFFERENT LIBYAN SIDES
... In this study, the results indicate that the natural radioactivity concentration of 226 Ra is lower than that of 232 Th at the S10A. The values of mean absorbed dose rate, annual effective dose rate and ...
16
A STUDY OF NATURAL RADIOACTIVITY IN SELECTED SEAWEEDS OF COASTAL KANYAKUMARI DISTRICT, TAMIL NADU, INDIA.
... Akil and Yusof (2007) stated that the metals and radio nuclides are absorbed by the sea organisms through water, food and sediment. [6] Goodard and Jupp (2001) compared the activity concentration in seaweed and fish ...
8
Natural Radioactivity and Radon Exhalation in the Sediment River Used in Sulaymaniyah Governorate, Iraq, Dwellings
... that natural radioactivity and the terrestrial gamma dose depend effectively on geological and geographical conditions, due to this radon and its progenies depend on the geological and geographical ...
6
Natural radioactivity and heavy metals measurement in rice and flour consumed by the inhabitants in K S A
... to carry out regular monitoring of foods like the which are considered the main daily foodstuff consumed not only by people in Saudi Arabia but in the objective of this work was to investigate the concentration of ...
6
Natural Radioactivity Measurement and Assessment of Radiological Hazards in Some Building Materials Used in Bangladesh
... There has been increased trend of public worldwide in using ceramic tile, stone, marble, granite, etc., due to their polished surface, decorative and different attractive colors, as building materials. The ceramic tiles ...
15
Natural radioactivity of surface and ground water samples in coastal communities of delta state, nigeria
... electronics connected to a multichannel analyzer card (MCA) installed in a desk top computer. A software program called MAESTRO- 32 was used to accumulate and analyze the data manually using spread sheet (Microsoft ...
5
Determination of Natural Radioactivity in the North East Beach Sands of Madagascar
... Randriamora Tiana Harimalala, Razafindramiandra Hary Andrianarimanana, Raoelina Andriambololona, Ravelomanantsoa Solofonirina Dieudonné, Ralaivelo Mbolatiana Anjarasoa Luc, Rasolonirina Martin, Zafimanjato Joseph Lucien ...
7