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Rep (rep) Enhetsdefinisjon
The rep or röntgen equivalent physical is a legacy unit of radiation exposure first introduced by Herbert Parker in 1945 to replace an improper application of the roentgen (R) unit to biological tissue. The parker (parker) is equivalent to the rep and is named after Herbert Parker. The rep is the absorbed energetic dose before the biological efficiency of the radiation is factored in. The rep has variously been defined as 83 or 93 ergs (erg) per gram (g) of tissue (8.3/9.3 mGy) or per cubic centimeter (cm3) of tissue. The rep is represented by the symbol rep.
SI Multiples
A table of various radiation exposure rep units derived from SI multiples:
Submultiples |
Multiples |
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Scientific Notation |
Verdi |
Prefiks |
Navn |
Scientific Notation |
Verdi |
Prefiks |
Navn |
10-1 rep |
0.1 rep |
Deci (D) | DeciRep (DREP) | 101 rep |
10 rep |
Deca (DA) | Decarep (DAREP) |
10-2 rep |
0.01 rep |
Centi (c) | Centirep (crep) | 102 rep |
100 rep |
Hekto (h) | Hektorep (HREP) |
10-3 rep |
0.001 rep |
Milli (m) | Millirep (MREP) | 103 rep |
1000 rep |
Kilo (k) | Kilorep (Krep) |
10-6 rep |
0.000001 rep |
Mikro (µ) | Microrep (µREP) | 106 rep |
1000000 rep |
Mega (M) | Megarep (MREP) |
10-9 rep |
0.000000001 rep |
Nano (n) | Nanorep (NREP) | 109 rep |
1000000000 rep |
Giga (g) | Gigarep (grep) |
10-12 rep |
0.000000000001 rep |
Pico (P) | Picorep (prep) | 1012 rep |
1000000000000 rep |
Tera (t) | Terarep (TREP) |
10-15 rep |
0.000000000000001 rep |
Femto (f) | Femtorep (FREP) | 1015 rep |
1000000000000000 rep |
PETA (P) | Petarep (prep) |
10-18 rep |
0.000000000000000001 rep |
Atto (a) | ATTOREP (AREP) | 1018 rep |
1000000000000000000 rep |
Exa (e) | Exarep (EREP) |
10-21 rep |
0.000000000000000000001 rep |
Zepto (z) | Zeptorep (ZREP) | 1021 rep |
1000000000000000000000 rep |
Zetta (Z) | Zettarep (ZREP) |
10-24 rep |
0.000000000000000000000001 rep |
Yocto (y) | YOCTOREP (YREP) | 1024 rep |
1000000000000000000000000 rep |
Yotta (y) | Yottarep (Yrep) |
10-27 rep |
0.000000000000000000000000001 rep |
Ronto (r) | Rontorep (rrep) | 1027 rep |
1000000000000000000000000000 rep |
Ronna (R) | Ronnarep (Rrep) |
10-30 rep |
0.000000000000000000000000000001 rep |
Quecto (q) | Quectorep (qrep) | 1030 rep |
1000000000000000000000000000000 rep |
Quetta (Q) | Quettarep (Qrep) |
Other Radiation Exposure Unit Definitions
Abcoulomb (ABC)
- Attocoulomb (AC)
- Attoparker (Aparker)
- ATTOREP (AREP)
- Attoroentgen (AR)
- Centicoulomb (CC)
- Centiparker (cparker)
- Centirep (crep)
- Centiroentgen (CR)
- Coulomb (c)
Coulomb International (C)
- Decacoulomb (DAC)
- Decaparker (Daparker)
- Decarep (DAREP)
- Decaroentgen (DAR)
- Decicoulomb (DC)
- Deciparker (DParker)
- DeciRep (DREP)
- Deciroentgen (DR)
- Dekacoulomb (DAC)
- Dekaparker (Daparker)
- Dekarep (DAREP)
- Dekaroentgen (DAR)
Elektronisk ladning (Q)
- Exacoulomb (EC)
- Exaparker (eparker)
- Exarep (EREP)
- Exaroentgen (ER)
Faraday Constant (f)
- Femtocoulomb (FC)
- Femtoparker (fParker)
- Femtorep (FREP)
- Femtoroentgen (FR)
Franklin (FR)
- Gigacoulomb (GC)
- Gigaparker (GParker)
- Gigarep (grep)
- Gigaroentgen (GR)
- Hektokoulomb (HC)
- Hektoparker (HParker)
- Hektorep (HREP)
- Hectoroentgen (HR)
- Kilocoulomb (KC)
- Kiloparker (Kparker)
- Kilorep (Krep)
- Kiloroentgen (KR)
- Megacoulomb (MC)
- Megaparker (Mparker)
- Megarep (MREP)
- Megaroentgen (MR)
- Microcoulomb (μc)
- Microparker (µparker)
- Microrep (µREP)
- Microroentgen (µr)
- Millicoulomb (MC)
- Milliparker (Mparker)
- Millirep (MREP)
- Milliroentgen (MR)
- Nanocoulomb (NC)
- Nanoparker (NParker)
- Nanorep (NREP)
- Nanoroentgen (nR)
- Parker (Parker)
- Petacoulomb (PC)
- Petaparker (pparker)
- Petarep (prep)
- Petaroentgen (PR)
- Picocoulomb (PC)
- Picoparker (pparker)
- Picorep (prep)
- Picoroentgen (PR)
- Quectocoulomb (qC)
- Quectoparker (qparker)
- Quectorep (qrep)
- Quectoroentgen (qR)
- Quettacoulomb (QC)
- Quettaparker (Qparker)
- Quettarep (Qrep)
- Quettaroentgen (QR)
- Rep (rep)
- Roentgen (R)
- Ronnacoulomb (RC)
- Ronnaparker (Rparker)
- Ronnarep (Rrep)
- Ronnaroentgen (RR)
- Rontocoulomb (rC)
- Rontoparker (rparker)
- Rontorep (rrep)
- Rontoroentgen (rR)
Statcoulomb (Statc)
- Teracoulomb (TC)
- Teraparker (TParker)
- Terarep (TREP)
- Teraroentgen (TR)
Vevs Roentgen (R)
- Yoctocoulomb (YC)
- Yoctoparker (Yparker)
- YOCTOREP (YREP)
- Yoctoroentgen (YR)
- Yottacoulomb (YC)
- Yottaparker (Yparker)
- Yottarep (Yrep)
- Yottaroentgen (YR)
- Zeptocoulomb (ZC)
- Zeptoparker (Zparker)
- Zeptorep (ZREP)
- Zeptoroentgen (ZR)
- Zettacoulomb (ZC)
- Zettaparker (Zparker)
- Zettarep (ZREP)
- Zettaroentgen (ZR)
Convert to Another Radiation Exposure Unit
Relaterte definisjoner
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Kilder
“Röntgen equivalent physical.” Wikipedia, Wikimedia Foundation, 4 Sept. 2023, en.wikipedia.org/wiki/Röntgen_equivalent_physical.