Units of Exposure - Maple Help

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Units of Exposure

Description

• 

Exposure has the dimension radiation per mass. The SI composite unit of exposure is the coulomb of radiation per kilogram.

• 

Maple knows the units of exposure listed in the following table.

Name

Symbols

Context

Alternate Spellings

Prefixes

 

 

 

 

 

roentgen

R

SI *

roentgens

SI

  

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, roentgen[SI] or R[SI]; or, if the context is indicated as the default, by using only the unit name or symbol, for example, roentgen or R.

  

 

  

The unit of exposure is defined as follows.

  

A roentgen is defined as 0.000258 coulomb of radiation per kilogram.

Examples

convert'roentgen','dimensions','base'=true

electric_currentradiationtimeradiationmass

(1)

convert1,'units','roentgen','Cradiation''kg'

129500000

(2)

convert1,'units','roentgen','C''kg'

Error, (in `convert/units`) unable to convert `R` to `C/kg`

convert1,'units','roentgen','C''kg','symbolic'

129500000

(3)

See Also

convert/dimensions, convert/units, Units, Units/electric_charge, Units/Index, Units/mass


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