Radionuclide Concentrations in Foor and the Environment - Chapter 11 pot

... Radionuclide Concentrations in Food and the Environment 11. 7 SUPPLEMENTAL READING Charlton, M.A. and Emery, R.J., An analysis of reported incidents involving radiophar- maceuticals for the ... those individuals in laboratories involved with the analysis of radioactivity in food and the environment. Sources of radiation inherent to these analytical processes and...

Ngày tải lên: 18/06/2014, 19:20

... 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 ... LLC 180 Radionuclide Concentrations in Food and the Environment by the ratio at equilibrium between the activity concentration in the animal product consider...

Ngày tải lên: 18/06/2014, 19:20

... by industry regulators. Information generated in routine monitoring programs is invaluable in determining the effect on the environment and food of proposed emissions and routes and levels of radionuclides ... reindeer meat in 1986, and later demonstrated a marked seasonal variation in the concentration linked with the migration of the animals between their summer...

Ngày tải lên: 18/06/2014, 19:20

... between the count rate of the γ-ray standard and the sample counting efficiency is obtained using a set of quenched standards. The α particle-emitting radionuclides can be measured by a liquid scintillation counter ... 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...

Ngày tải lên: 18/06/2014, 19:20

... acid-free paper 10 9 8 7 6 5 4 3 2 1 International 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 ... extent of the spread of contamination. The remaining chapters of this book discuss the hazards and radiation safety connected with radionuclides in foods a...

Ngày tải lên: 18/06/2014, 19:20

... LLC 34 Radionuclide Concentrations in Food and the Environment Most of the radionuclides to which we are currently exposed in our foods and the environment come primarily from the naturally occurring ... sit in interim cooling sites (ponds or air-cooled containers) so that the short-lived radionuclides pro- duced during fission and neutron release can decay before...

Ngày tải lên: 18/06/2014, 19:20

... 131 I in the vicinity of the point of release. Predicted situation 24 hours from the beginning of the release. The point of the release is the site of the Chernobyl nuclear power plant. The source ... LLC Radioactivity in the Air 51 FIGURE 3.2 Example of the maps of 137 Cs ground deposition in the vicinity of the point of release as a function of the time f...

Ngày tải lên: 18/06/2014, 19:20

... LLC 98 Radionuclide Concentrations in Food and the Environment these sands and by competition for adsorption of the calcium ions contained in the solution plume leached from the wastes. One of the ... LLC 88 Radionuclide Concentrations in Food and the Environment from the few works existing in the literature. With the exception of the samples take...

Ngày tải lên: 18/06/2014, 19:20

... Group, LLC 114 Radionuclide Concentrations in Food and the Environment On the other hand, artificial radionuclides are stored in the stratosphere and fall to the Earth’s surface according to atmospheric ... the behavior of long-lived radionuclides in soil. Factors in uencing the behavior of radionuclides in soils are mainly the chemical properties of the...

Ngày tải lên: 18/06/2014, 19:20

... exposure and potential effects. The difficulty arises in trying to measure them, either in the field or in a laboratory 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...

Ngày tải lên: 18/06/2014, 19:20