[PDF] Top 20 Natural Radioactivity Measurement and Assessment of Radiological Hazards in Some Building Materials Used in Bangladesh

... raw materials including clays, quartz materials and feldspar that has been pressed into shape and fired at high ...these materials, is zircon that may cause natural radioactivity ... See full document

... studying natural radioactivity and determining elemental concentrations and dose rates for various rock ...from natural and manufactured building materials used in Egypt, ... See full document

... favorable natural material that contains ...types used in the domestic market as building materials. Building materials are sources of aerosol ...involving building ... See full document

... 2120.37 Bq, respectively, contained in the same cylindri- cal bottles as the samples. The standards and the samples were prepared with a uniform geometry. In order to de- termine the background distribution in the ... See full document

... building materials into the room air [76_TD$DIFF] ...on building materials, which showed that out of the investigated building materials such as tiles which are by product of ... See full document

... for building materials and ...the natural dis- aster that took place in the 60’s and 1986 ...derived radiological indices for all the investigated soils showed that none exceeds the recom- ... See full document

... days. Natural radioactivity concentrations of each sample collected were calculated by counting approximately 24 hours using NaI (Tl) scintillation detector based on a gamma spectrometer ...was used ... See full document

... raw materials, among other ...suitable materials for use in building construction, especially those that exhibit large variations in their ... See full document

... multiple hazards associated with cyclone and their impacts on the ...those hazards after identifying the hazards ...intensity hazards period that can significantly reduce the losses and ... See full document

... in some traditional medicinal plants used in ...and radiological parameters of natural radionuclides for soil samples from Kogi State University Staff Nursery and Primary School, Kogi ... See full document

... This research is conducted to measure the terrestrial gamma radiation in Lahad Datu district. This is also to prepare baseline data of terrestrial gamma radiation. Data collection in Peninsular Malaysia has been ... See full document

... The radiological hazard for populations consuming the nuts is evaluated in terms of the Annual Effective Dose Rate (AEDR) which accounts for the dose rate of biological effectiveness in causing damage to human ... See full document

... of natural radiation exposure to the “The consumption of the foodstuff caused at least, eighth of the mean annual effective dose due to natural ...contamination assessment of foodstuffs consumed by ... See full document

... 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 ... See full document

... for building materials and for agriculture or fertilization of agricultural ...to natural radionuclides, which are widely distributed at different soil ... See full document

... was used for radioactivity measurement of soils from Habiganj District of Bangladesh to establish a radiation map within this area as a baseline record for future ...The radioactivity ... See full document

... 1993, 2000) [1,4]. Thus, the radioactive impact and the additional external radiation exposure for population due to soils were negligible, and consequently, the possible increase might be due to: 1) radon flux from the ... See full document

... tion time and intervals periods for the phosphate mine workers. It was clear when the workers increased in intervals and progress in life age the hematological functions de- creased. The phosphate mine workers were ... See full document

... Waste is an unavoidable by product of human activities Economic development, urbanization and improving living standards in cities, have led to an increase in the quantity and complexity of generated waste. Rapid growth ... See full document

... With respect to the angle of internal friction, from these results no conclusions could be drawn for this material pro- perty concerning either the influence of test velocity or the type of test used. The results ... See full document