New PDF release: An Introduction to Radiation Protection

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

ISBN-10: 041216230X

ISBN-13: 9780412162305

ISBN-10: 1489969403

ISBN-13: 9781489969408

An creation to Radiation Protection is a hugely readable account of the character of the dangers offered through ionizing radiation and the equipment of defense for these new to the sphere and for the non-specialist.

The 6th version of this demonstrated textual content takes readers during the common historical past of the topic, the technical rules underlying the keep watch over of radiation dangers, radiation detection and size, and the organic results of radiation. those ideas are through a attention of radiation security concerns within the nuclear undefined, the non-nuclear area, and the scientific box. additional specialized issues comprise probability review, waste administration and decommissioning, radiological incidents and emergencies, correct laws, and organizational issues.

Supplemented by means of transparent diagrams and pictures, precis sections, and revision questions, the e-book is acceptable for the newbie in addition to the extra complex radiation practitioner. It continues to be an excellent primer for these operating within the nuclear undefined, nuclear drugs technicians, radiographers and scientific physics technicians, healthiness and security executives and occupational health and wellbeing pros. it's also a useful significant other for somebody education or project a direction in radiation protection.

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Extra resources for An Introduction to Radiation Protection

Sample text

There is some evidence from animal experiments that exposure to radiation may slightly reduce the life expectation of individuals who do not exhibit any specific radiation-induced symptoms. Observations of human populations exposed at relatively high levels indicate that, if life-shortening occurs at all, it is very slight, almost certainly less than I year per sievert. 6 The hereditary effects of radiation The hereditary effects of radiation result from damage to the reproductive cells. This damage takes the form of alterations, Biological Effects of Radiation 47 known as genetic mutations, in the hereditary material of the cell.

This cannot be strictly true since man has attained his present advanced state via a series of mutations. However, this has occurred over an immense time span and the number of harmful mutations which have had to be eliminated from the species over this time is incalculably large. Since ionizing radiation can cause an increase in the mutation rate, its use will increase the number of genetically-abnormal people present in future generations. Clearly, the consequences of excessive genetic damage would be very serious indeed and strict control must be exercised over the radiation exposure of the general population.

Interactions of nuclear radiations Radiation Process Remarks Alpha Inelastic collisions with bound electrons Leads to excitation and ionization Beta (i) Inelastic collisions with atomic electrons (ii) Slowing-down in field of nucleus Leads to excitation and ionization Leads to emission of bremsstrahlung X- andyradiation (i) Photoelectric effect (ii) Compton effect (iii) Pair production Neutron (i) Elastic scattering (ii) Inelastic scattering (iii) Capture processes Photon is completely absorbed Only part of the photon } energy is absorbed Discussed in Chapter 8 electron pair.

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

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