An Introduction to Radiation Protection by Alan Martin, Sam Harbison, Karen Beach, Peter Cole

By Alan Martin, Sam Harbison, Karen Beach, Peter Cole

An creation to Radiation Protection is a hugely readable account of the character of the risks offered by means of ionizing radiation and the tools of defense for these new to the sector and for the non-specialist.

The 6th variation of this validated textual content takes readers during the normal heritage of the topic, the technical ideas underlying the regulate of radiation risks, radiation detection and size, and the organic results of radiation. those ideas are via a attention of radiation safety matters within the nuclear undefined, the non-nuclear zone, and the scientific box. extra specialized themes comprise danger evaluate, waste administration and decommissioning, radiological incidents and emergencies, appropriate laws, and organizational issues.

Supplemented by way of transparent diagrams and images, precis sections, and revision questions, the publication is acceptable for the newbie in addition to the extra complex radiation practitioner. It is still a terrific primer for these operating within the nuclear undefined, nuclear medication technicians, radiographers and clinical physics technicians, well-being and defense executives and occupational future health pros. it's also a useful significant other for an individual education or project a path in radiation protection.

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Extra resources for An Introduction to Radiation Protection

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Respiration: method by which oxygen is taken into the lungs and carbon dioxide eliminated. Digestive system: converts food into a form suitable for the produc- tion of heat and energy, and molecules necessary for the growth and repair of tissues. Stages in radiation damage process: (a) Initial physical stage ("' w- 16 s) consJstmg of ionization and excitation of atoms and molecules. (b) Physico-chemical stage (10- 8 to w-s s) consisting of dissociation of ions and formation of free radicals. Biological Effects of Radiation 49 (c) Chemical stage consisting of the interaction of free radicals with other molecules in the body.

Absorbed dose and exposure will be given their full titles. Summary of chapter Radiation transfers energy from the source to the absorbing medium. Ionization: removal of orbital electron -production of ion pairs-- in electric field, current flows. Absorbed dose: energy deposition in any medium by all types of ionizing radiation. 1 Gy = 1 1/kg. Dose equivalent: measure of the biological effect of radiation, unit is the sievert, dose equivalent =absorbed dose x quality factor. factor: measure of ability of particular type of radiation to cause biological damage, related to density of ionization.

5. 7 Ci, 106 Ci. 6. Why is an a-decay usually followed by a p- -decay? 1 Absorption of energy Just as heat and light transfer energy from the Sun to the Earth and the atmosphere, so does nuclear radiation transfer energy from a source to the absorbing medium. The source of nuclear radiation may be radioactive atoms or equipment such as X-ray machines. The effect of absorbing the more familiar types of radiation, such as heat, is to raise the temperature of the absorbing medium. If this medium is the human body, or part of it, the rise in temperature is sensed and, if it becomes excessive, avoiding action can be taken, by sheltering under a sunshade (shielding), for example, or by moving further away from a fire (distance).

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