نتایج جستجو برای: the radionuclides 226ra
تعداد نتایج: 16053524 فیلتر نتایج به سال:
Radiation is considered one of the possible causes cancer disease with natural background sources including cosmic, terrestrial and internal radiation. A number cases have been reported in Kargi their not properly documented. The present work characterized radioactivity soil water, to find out radiation KARGI-KENYA by studying magnetic intensities, anomalous zones depth delineating subsurface s...
Background: Activity concentrations of 40K, 226Ra and 228Ra were measured in some sachet drinking water samples produced in Nigeria. Materials and Methods: The measurement was done by using high-purity germanium (HPGe) detector (Canberra Industries Inc.). The measured activity concentrations for 226Ra (U-series) and 228Ra (Thseries) were used with their ingested dose conversion factors ...
Participation in the interlaboratory comparisons (ILC) and PT schemes is an important tool to assess the laboratory competence. It allows also improving the quality of laboratory routine work and comparing its results with those of other laboratories. It can be also used to verify reliability of the data produced by a laboratory and provide confidence in measurement results to the users of labo...
The Megalopolis lignite field basin in southern Greece, with Megalopolis-A and B lignite-fired power plants in operation (total 900 MW), has been repeatedly investigated during the past 25 years by the Nuclear Engineering Section of the National Technical University of Athens (NES-NTUA). The present work aims at an integrated radioenvironmental approach leading to the dose assessment to the pub...
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...
Background: The present work aims to determine the activity concentrations of 226Ra, 233Th and 40K in soil samples collected in Mounana in the Southeastern region of Gabon, to evaluate the contribution of the natural. Materials and Methods: An HPGe p-type detector coupled with a multichannel analyzer DSA-1000 was used to perform measurements and process data. Data acquisition and analysis were ...
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...
abstract background: the radiological impact of the use of phosphate fertilizers in soil is due to the internal irradiation of the lung by the alpha particles, short lived radon-thoron progeny and the external irradiation of the body by gamma rays emitted from radionuclides in situ. this paper describes the results of gamma spectrometric measurements of the concentration of the natural radionuc...
Fly bioash (FBA) as a by-product of biomass-fuelled facilities exhibits alkaline properties and is enriched with phytonutrients, thereby offering the potential to effectively ameliorate acidic nutrient-deficient soils. However, concerns about health risks due FBA radioactive contamination are still not well studied, notably under field conditions. This study examined pH changes concentrations n...
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