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Radionuclide Concentrations in Foor and the Environment - Chapter 5 pptx

Radionuclide Concentrations in Foor and the Environment - Chapter 5 pptx

Radionuclide Concentrations in Foor and the Environment - Chapter 5 pptx

... the behavior of long-livedradionuclides in soil.Factors in uencing the behavior of radionuclides in soils are mainly the chemical properties of the radioelement and the characteristics of the ... temperature, and soil management. Finally, the pH value is an importantparameter controlling the kinetics of elements in soil and consequently the kinet-ics of radionuclides. In order to understand the ... on the possible increase in the concentration of somenatural radionuclides in soil, water, and even in the airborne dust in the State ofChihuahua, Mexico, due to human activities. The mining...
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Radionuclide Concentrations in Foor and the Environment - Chapter 10 pptx

Radionuclide Concentrations in Foor and the Environment - Chapter 10 pptx

... detectors, and Peltier-cooled PINdetectors [61]. A PIN detector works in the same way as a p-n junction, but ithas an intrinsic layer between the p-n junctions, hence the term PIN. For portableinstruments ... radioactivematerials is the simplest approach to masking. The use of single- or dual-energyx-ray machines to detect the presence of shielding materials in combination withradiation monitoring systems is ... 346 Radionuclide Concentrations in Food and the Environment 10.2.4 MASKING OF ILLICIT MATERIALSKnowledge of the underlying deficiencies of radiation detection instruments and the inherent...
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Radionuclide Concentrations in Foor and the Environment - Chapter 1 docx

Radionuclide Concentrations in Foor and the Environment - Chapter 1 docx

... acid-free paper10 9 8 7 6 5 4 3 2 1International Standard Book Number-10: 0-8 49 3-3 59 4-9 (Hardcover)International Standard Book Number-13: 97 8-0 -8 49 3-3 59 4 -5 (Hardcover)This book contains information ... These mechanisms are discussed in Chapter 4. Chapter 5 discusses the behavior of radionuclides in soil, including the frac-tionation of radionuclides in soils, radionuclide migration along the ... extent of the spread of contamination. The remaining chapters of thisbook discuss the hazards and radiation safety connected with radionuclides in foods and the environment. Finally, the radioactivity...
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Radionuclide Concentrations in Foor and the Environment - Chapter 2 docx

Radionuclide Concentrations in Foor and the Environment - Chapter 2 docx

... agents for these and other radionuclides [3]. Indeed, the first discoveries of radioactivity and the isolation of important radionuclidesby the Curies and other pioneers in this area came in work ... 10 9 0 .5 5 DK594X_book.fm Page 25 Tuesday, June 6, 2006 9 :53 AM© 2007 by Taylor & Francis Group, LLC34 Radionuclide Concentrations in Food and the Environment Most of the radionuclides ... P.N., and Leeks, G.J.L., Fingerprinting suspended sedimentsources in the catchment of the River Ouse, Yorkshire, UK, Hydrol. Processes,13, 955 –9 75, 1999.17. Owens, P.N., Walling, D.E., and Leeks,...
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Radionuclide Concentrations in Foor and the Environment - Chapter 3 pdf

Radionuclide Concentrations in Foor and the Environment - Chapter 3 pdf

... irradiation in human beings.Inhalation of radon (and its decay products) and thoron (so-called thoron)from the air causes their deposition on the lining of the lungs. These depositedradionuclides ... in the form of dust or fly ash in the vicinity of the industrial plant.Radionuclides released to the atmosphere from industrial activities other thannuclear energy contribute mainly to the internal ... place in the last 30 years.Two such accidents were Three Mile Island, in the U.S., and Chernobyl, in Ukraine (former USSR). The Three Mile Island accident occurred in 1979. The initial cause of the...
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Radionuclide Concentrations in Foor and the Environment - Chapter 4 pdf

Radionuclide Concentrations in Foor and the Environment - Chapter 4 pdf

... important role in determin-ing uranium estuarine behavior.Regarding the characteristics of the main source terms and the routes followedby the natural radionuclides for their incorporation in water ... entered the Techa River through the bypasses in the period1981 to 19 95. Finally, they report that the highest radionuclide concentrations in the river were observed in the period 1 950 to 1 951 , at ... LLC88 Radionuclide Concentrations in Food and the Environment from the few works existing in the literature. With the exception of the samplestaken from 1 957 to 1960, concentrations of 36Cl and...
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Radionuclide Concentrations in Foor and the Environment - Chapter 6 pot

Radionuclide Concentrations in Foor and the Environment - Chapter 6 pot

... l/kg in freshwater systems and 55 0 l/kg in the marine environment. These differences are explained by the salinity and, more precisely, by the stable isotope/analog content. Other radio-elements ... depends on the quality and quantity of soil colloids (clay minerals and organic matter) and varies over the course of the growing season according to the weather (e.g., rainfall increasing the soil ... LLC180 Radionuclide Concentrations in Food and the Environment by the ratio at equilibrium between the activity concentration in the animalproduct considered and the amount ingested daily in the...
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Radionuclide Concentrations in Foor and the Environment - Chapter 7 docx

Radionuclide Concentrations in Foor and the Environment - Chapter 7 docx

... exposure and potentialeffects. The difficulty arises in trying to measure them, either in the field or in alaboratory setting, and then interpret them with regard to an organism’s radiosen-sitivity. ... nuclear weapons was the developing awareness of the existence and global distribution of radionuclides.Interest grew in understanding where radionuclides went in the environment and helped support ... LLC 214 Radionuclide Concentrations in Food and the Environment • Bystander effects. The conventional model of radiation-induced dam-age requires damage of DNA either from direct interactions...
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Radionuclide Concentrations in Foor and the Environment - Chapter 8 pot

Radionuclide Concentrations in Foor and the Environment - Chapter 8 pot

... by industry regulators. Informationgenerated in routine monitoring programs is invaluable in determining the effecton the environment and food of proposed emissions and routes and levels ofradionuclides ... north-central Arnhem Land, Aust. AboriginalStud., 1, 35, 1984. 54 . Thomas, P.A. and Gates, T.E., Radionuclides in the lichen-caribou-human foodchain near uranium mining operations in northern ... reindeer meat in 1986, and later demonstrated a marked seasonal variation in the concentrationlinked with the migration of the animals between their summer range in the mountains and their winter...
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Radionuclide Concentrations in Foor and the Environment - Chapter 9 pot

Radionuclide Concentrations in Foor and the Environment - Chapter 9 pot

... electrons toward the P-type region and the hole toward the N-typeregion. The width of the depletion region increases with an increase in the biasvoltage and can extend to the limit of the breakdown ... spec-trometer. A correlation curve between the count rate of the γ-raystandard and the sample counting efficiency is obtained using a set ofquenched standards. The α particle-emitting radionuclides ... 10 MeV, and cannot be used for low-energy - and x-rays because they cannot penetrate the aluminum detector window and high-energy γ-rays might pass through the sensitive volume without interaction.For...
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