Units of Absorbed Dose - Maple Help

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Units of Absorbed Dose

Description

• 

Absorbed dose has the dimension absorbed dose of radioactive energy per mass. The SI derived unit of absorbed dose is the gray, which is defined as a joule of absorbed radiation per kilogram.

• 

Maple knows the units of absorbed dose listed in the following table.

Name

Symbols

Context

Alternate Spellings

Prefixes

 

 

 

 

 

gray

Gy

SI *

grays

SI

rad

rd

radiation

rads, gram_rad, gram_rads

 

  

An asterisk ( * ) indicates the default context, an at sign (@) indicates an abbreviation, and under the prefixes column, SI indicates that the unit takes all SI prefixes, IEC indicates that the unit takes IEC prefixes, and SI+ and SI- indicate that the unit takes only positive and negative SI prefixes, respectively.  Refer to a unit in the Units package by indexing the name or symbol with the context, for example, gray[SI] or rad[radiation]; or, if the context is indicated as the default, by using only the unit name or symbol, for example, gray or gram_rad.

  

Note: The default context of the rad is angle, relating to a measurement of angle not absorbed dose.

  

 

  

The unit of absorbed dose is defined as follows.

  

A rad is defined as an erg of radiation per gram or 1100 gray.

Examples

convert'gray','dimensions','base'=true

lengthradiation2massradiationtimeradiation2mass

(1)

convert1,'units','Gy','radradiation'

100

(2)

See Also

convert/dimensions, convert/units, Units, Units/dose_equivalent, Units/energy, Units/Index, Units/mass


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