FREMGANGSMADE OG ANLEG TIL BESTEMMELSE AF ELEKTRONTETHEDEN I ET DELVOLUMEN AF ET LEGEME

A method of and an apparatus for the determination of the electron density of small volumes of a body. Two narrow beams of ionizing radiation of substantially equal intensity are subsequently directed through the small volume in two different directions. The intensity of the transmitted radiation as...

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Bibliographic Details
Main Author LEUNBACH I
Format Patent
LanguageDanish
Published 23.02.1976
Edition2
Subjects
DIAGNOSIS
HUMAN NECESSITIES
HYGIENE
IDENTIFICATION
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
MEDICAL OR VETERINARY SCIENCE
PHYSICS
SURGERY
TESTING
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Summary:A method of and an apparatus for the determination of the electron density of small volumes of a body. Two narrow beams of ionizing radiation of substantially equal intensity are subsequently directed through the small volume in two different directions. The intensity of the transmitted radiation as well as the scattered radiation along said two directions is measured extra-corporally, which measurements are employed in computing the electron density of the small volume. The employed radiation is of such high energy that the Compton effect will be the wholly dominant absorption phenomenon in the volume as well as in the radiation paths in the two mentioned directions, and that the change in the absorption cross-section from primary to secondary radiation caused by the Compton shift will be substantial.
Bibliography:Application Number: DK19730005473