By Alan D Martin; Samuel A Harbison
An creation to Radiation safeguard is an available account of the character of the risks offered via ionizing radiation and the tools of safeguard, for these new to the sector and for the non-specialist.
This e-book takes the reader throughout the basic historical past to the topic, the technical ideas underlying the regulate of radiation dangers, the organic results of radiation, and radiation detection and dimension. those are by means of a attention of extra really expert themes together with radiation defense in drugs and within the nuclear energy undefined, radioactive waste administration and radiological emergencies
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Additional resources for An introduction to radiation protection
The large molecules in the food are broken down by enzymes in the digestive tract before being absorbed into the bloodstream and passed via the liver to the tissues. The unabsorbed food, together with bacteria and cells shed from the intestine wall, is passed out as solid waste (faeces). Liquid waste (the waste products of cells dissolved in water) is excreted from the body via the kidneys and bladder as urine. Soluble radioactive contamination, when swallowed, may pass through the walls of the digestive tract and become absorbed into the bloodstream, which carries it to all parts of the body.
Platelets play a vital role in the formation of clots at the site of injuries. 2 The respiratory system Respiration (or breathing) is the method by which oxygen is taken into the lungs and carbon dioxide eliminated. The oxygen is absorbed by the blood as it passes through the lungs and carried to the tissues as described above. The tissues produce carbon dioxide as a gaseous waste product and this is carried back by the blood to the lungs and breathed out. The volume of air breathed per day is approximately 20 m3, of which half is usually considered to be breathed during the 8 h of work.
1 TBq ϭ 1011 dis/s, but for 60Co there are two ␥-photons per disintegration. 6 ϫ 1010 g photons /(m2s). 9 RELATIONSHIP OF UNITS The relationship of the units which have now been introduced is illustrated in Fig. 4. The gray describes an absorbed dose in any medium and the sievert expresses biological effect on the human body. In health physics, it is clearly the biological effect of radiation that is of interest and so whenever possible equivalent dose or effective dose should be used. Flux (φ) No.
An introduction to radiation protection by Alan D Martin; Samuel A Harbison