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shayne

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Common Used Acronyms
« on: Mar 19, 2005, 12:14 »
General, Commercial Related as found on this site in various topics

ALARA    As Low As Is Reasonably Achievable
ALI    Annual Limit on Intake
ANSI    American National Standards Institute
ATWS    Anticipated Transient Without Scram
Btu    British Thermal Unit
BWR    Boiling Water Reactor
C/D    Cooldown
CA    Controlled Area
Ci    Curie
CR    Control Room
CRS    Control Room Supervisor
DAC    Derived Air Concentration
DBA    Design-Basis Accident
DECON    Decontamination
DNB    Departure from Nucleate Boiling
DOE    Department of Energy
dp or dP    Differential Pressure
ECCS    Emergency Core Cooling Systems
ED, SRPD, SIPD    Pocket Dosimeter
FFD    Fitness for Duty
FME    Foreign Material Exclusion
HP    Health Physics
I&C    Instrument and Control
IH    Industrial Hygiene
INPO    Institute for Nuclear Power Operations
kV    Kilovolt
LD    Lethal Dose
LOCA    Loss of Coolant Accident
LPZ    Low Population Zone
MOX    Mixed Oxide Fuel
mR    Milliroentgen
MW    Megawatt
MWh    Megawatt Hour
NEI    Nuclear Energy Institute
NLO    Non Licensed Operator or NO Nuclear Operator or AO Auxiliary Operator
NQA    Nuclear Quality Assurance
NRC    Nuclear Regulatory Commission
NRRPT    National Registry of Radiation Protection Technologist
PAT    Plant Access Training
ppm    Parts Per Million
Pu    Plutonium
PWR    Pressurized Water Reactor
PZR    Pressurizer
QF    Quality Factor
R    Roentgen
RA, RRA    Radiation Area
RADCON    Radiation Controls
RCT    Radiological Control Tech
RO    Reactor Operator, Licensed or NSO Nuclear Supervising Operator
RP    Radiation Protection
RWT    Radiation Worker Training
S/D    Shutdown
SM    Shift Manager
SRO    Senior Reactor Operator
STA    Shift Technical Advisor
TG, MTG    Turbine Generator (Main)
TLD    Thermoluminescent Dosimeter
U, U-235, U238    Uranium
WANO    World Association of Nuclear Operators
« Last Edit: Mar 19, 2005, 12:16 by Shayne »

shayne

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Re: Common Used Acronyms
« Reply #1 on: Mar 19, 2005, 12:15 »
Navy Related

AE    Auxiliary Electrician
DEP    Delayed Entry Program
ELT    Engineering Laboratory Technician
EM    Electrician Mate
ERLL    Engine Room Lower Level
ERML    Engine Room Middle Level
ERUL    Engine Room Upper Level
ET    Electronics Technician
EWS    Engineering Watch Supervisor
FCW    Feed Control Watch
FPW    Feed Pump Watch
MEW    Main Engine Watch
MM    Machinist Mate
NFAS    Nuclear Field ‘A’ School
NNPS, NPS    Naval Nuclear Power School
NNPTC    Naval Nuclear Power Training Command
NNSY   Newport News Shipyard
NPTU    Nuclear Power Training Unit
NR, NRRO    Naval Reactors
PNS, PNSY  Portsmouth Naval Shipyard
PSNS    Puget Sound Naval Shipyard
Rate (AW)   Air Warfare
Rate (SS)   Submarine Service
Rate (SW)   Surface Warfare
RCMS    Rad Con Maintenance School
RCTQS    Rad Con Tech Qualification School
RO    Reactor Operator
SCW    Secondary Control Watch
SEO    Shutdown Electrical Operator
SRO    Shutdown Reactor Operator
TGW   Turbine Generator Watch
TH    Throttleman
« Last Edit: Oct 03, 2005, 03:37 by Shayne »

Offline Rennhack


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Re: Common Used Acronyms
« Reply #3 on: Apr 09, 2007, 10:43 »
MSIV = Main Steam Isolation Valve
CRD = Control Rod Drive
« Last Edit: Apr 10, 2007, 01:22 by Rennhack »
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alphadude

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Re: Common Used Acronyms
« Reply #4 on: Apr 12, 2007, 09:50 »
TVGV
SRD
HPI
LPI
HPSI
LDST
PORV
PZR
RxB
LUST
LLRT
LOFT
CFT
CRDM
OTSG
NDA
UT/PT
LLW


Stuff everbody should know


Offline guppy

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Re: Common Used Acronyms
« Reply #5 on: Apr 12, 2007, 10:01 »
alternates meanings of ALARA:

always let another run ahead
as long as Rennhack's around
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Offline Nuclear NASCAR

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Re: Common Used Acronyms
« Reply #6 on: Apr 12, 2007, 06:46 »
TVGV-Don't Know
SRD-Shutdown Rod Drive
HPI-High Pressure Injection
LPI-Low Pressure Injection
HPSI-Low Pressure Safety Injection
LDST-Don't Know
PORV-Pressure Operated Relief Valve
PZR-Pressurizer
RxB-Reactor Building
LUST-Don't Know
LLRT-Local Leak Rate Test
LOFT-Don't Know
CFT-Don't Know
CRDM-Control Rod Drive Mechanism
OTSG-Once Through Steam Generator
NDA-Don't know
UT/PT-Ultrasonic Testing/Penetrant testing
LLW-Low Level Waste


Stuff everbody should know



Never assume, that's one of the most common error precursors. 
« Last Edit: Apr 13, 2007, 07:02 by Nuclear NASCAR »
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Offline say78

Re: Common Used Acronyms
« Reply #7 on: Aug 30, 2009, 08:06 »
Thank you guys for this topic! I find it very helpful as I am still getting familiar with the new lingo. And it saves my time now because I don't have to google every acronym I come across on this site! ;D

Offline Rennhack

Re: Common Used Acronyms
« Reply #8 on: Aug 30, 2009, 08:55 »
NDA - Non-Destructive Analysis

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Re: Common Used Acronyms
« Reply #9 on: Aug 30, 2009, 09:19 »
HPSI --- shouldn't this be High Pressure Safety Injection instead of "Low"?

Offline retired nuke

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Re: Common Used Acronyms
« Reply #10 on: Aug 31, 2009, 06:59 »
CFT - Can't Fu...oh wait, that's on another thread..... ;)
« Last Edit: Aug 31, 2009, 07:00 by HouseDad »
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Offline spentfuel

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Re: Common Used Acronyms
« Reply #11 on: Aug 31, 2009, 10:02 »
TVGV-Throttle valve, govenor valve
SRD-Shutdown Rod Drive
HPI-High Pressure Injection
LPI-Low Pressure Injection
HPSI-Low Pressure Safety Injection
LDST-Letdown storage tank
PORV-Pressure Operated Relief Valve
PZR-Pressurizer
RxB-Reactor Building
LUST-Letdown or local Upper surge tank or could be that feeling I had for that pretty lady I met a pilgram on outage
LLRT-Local Leak Rate Test
LOFT-that place you sleep sometimes or leak off flood tank
CFT- core flood tank or condensate feed tank
CRDM-Control Rod Drive Mechanism
OTSG-Once Through Steam Generator
NDA-Don't know
UT/PT-Ultrasonic Testing/Penetrant testing
LLW-Low Level Waste

-
HPSI --- shouldn't this be High Pressure Safety Injection instead of "Low"?

I would agree with that,

HPSI/LPSI pronunced hipsee and lipsee are terms I recall from working at BWR's for high or low pressure safety injection. I have also seen HPCI/LPCI which is the same thing but refers to core injection directly. HPI/LPI are basically the same systems but are system designations from B&W PWR plants.



maybe helps a little

sf
« Last Edit: Aug 31, 2009, 12:37 by spentfuel »

Max_Rodriguez

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Re: Common Used Acronyms
« Reply #12 on: Oct 22, 2009, 01:57 »
awesome thread, thanks !

Offline cairnit

Re: Common Used Acronyms
« Reply #13 on: Oct 22, 2009, 09:41 »
There is also....

HPCS- High Pressure Core Spray (pronounced hipcuss)
LPCS- Low Pressure Core Spray (pronounced lipcuss)

ADHR- Alternate Decay Heat Removal

Offline johnnieslingshot

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Re: Common Used Acronyms
« Reply #14 on: Jul 19, 2018, 08:56 »
Posing a question here ....  Another RP and I disagree on the acronym uR/hr as it pertains to the Ludlum Model-19.  Is it micro REM or micro Roentgen?

Offline Marlin

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Re: Common Used Acronyms
« Reply #15 on: Jul 19, 2018, 09:18 »
Posing a question here ....  Another RP and I disagree on the acronym uR/hr as it pertains to the Ludlum Model-19.  Is it micro REM or micro Roentgen?

Yes, it's gamma one REM is one Roentgen.

Offline SloGlo

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Re: Common Used Acronyms
« Reply #16 on: Jul 19, 2018, 09:52 »
Yes, it's gamma one REM is one Roentgen.
knot necessarily. won r.e.m. is an r multiplied bye a factor relative two an energy to indicate human tissue exposure too that energy.
« Last Edit: Jul 19, 2018, 09:53 by SloGlo »
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Offline Marlin

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Re: Common Used Acronyms
« Reply #17 on: Jul 19, 2018, 10:28 »
knot necessarily. won r.e.m. is an r multiplied bye a factor relative two an energy to indicate human tissue exposure too that energy.

....that factor is one for gamma, well .93 for roentgen but radcon math applies.

Offline SloGlo

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Re: Common Used Acronyms
« Reply #18 on: Jul 19, 2018, 11:26 »
....that factor is one for gamma, well .93 for roentgen but radcon math applies.
n bean picky is ware we earn hour money 😉
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Offline GLW

Re: Common Used Acronyms
« Reply #19 on: Jul 19, 2018, 12:37 »
Rem


The Model 19 is a highly sensitive gamma µR/meter employing an internally housed, 2.5 x 2.5 cm (1.0 x 1.0 in.) NaI detector. The measuring range is 0 to 50 µSv/h (0 to 5000 µR/hr).


https://ludlums.com/products/health-physics/product/model-19


sievert is used for radiation dose quantities such as equivalent dose and effective dose


rem is an older, CGS unit of equivalent dose, effective dose, and committed dose


the rem has been defined since 1976 as equal to 0.01 sievert








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Offline GLW

Re: Common Used Acronyms
« Reply #20 on: Jul 19, 2018, 12:49 »
OBTW,.....



the rem has been defined since 1976 as equal to 0.01 sievert



Marlin is really, really old, so,....



Yes, it's gamma one REM is one Roentgen.


Marlin probably hasn't even thought about the definition of REM since before 1966,....


 ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL [Flamer]

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Offline Marlin

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Re: Common Used Acronyms
« Reply #21 on: Jul 19, 2018, 12:52 »
Rem

Typically REM is REM and Rad is R but in this case I suspect that it represents both, so as an androgynous designation how sexist of you.  [devious]

Offline Marlin

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Re: Common Used Acronyms
« Reply #22 on: Jul 19, 2018, 12:54 »
OBTW,.....



Marlin is really, really old, so,....




Marlin probably hasn't even thought about the definition of REM since before 1966,....


 ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL [Flamer]

Mid 90s anyway    :old:
« Last Edit: Jul 19, 2018, 12:55 by Marlin »

Offline SloGlo

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Re: Common Used Acronyms
« Reply #23 on: Jul 19, 2018, 03:33 »
Posing a question here ....  Another RP and I disagree on the acronym uR/hr as it pertains to the Ludlum Model-19.  Is it micro REM or micro Roentgen?
sew, from awl the high faluting technical expousements delivered here, we can conclude that the ludlum designers where sew cheep that they decided too save printing ink buy using r instead of rem.
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Offline johnnieslingshot

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Re: Common Used Acronyms
« Reply #24 on: Jul 19, 2018, 03:56 »
Phone call to Ludlum HQ in USA and asked them.  Their HP tech rep said the R stood for Roentgen.  Case closed.

Offline Marlin

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Re: Common Used Acronyms
« Reply #25 on: Jul 19, 2018, 04:11 »
Phone call to Ludlum HQ in USA and asked them.  Their HP tech rep said the R stood for Roentgen.  Case closed.

Dang this could have gone on for a lot longer. Who was that tech rep a salesman? Maybe he has a bias for historical nomenclature. I want a recount there may have been a hanging chad.

Offline Marlin

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Re: Common Used Acronyms
« Reply #26 on: Jul 19, 2018, 04:25 »
Phone call to Ludlum HQ in USA and asked them.  Their HP tech rep said the R stood for Roentgen.  Case closed.

Silly question, if it is Roentgen why don't you have to convert to Rad or REM? The difference is small but still there.

Offline Marlin

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Re: Common Used Acronyms
« Reply #27 on: Jul 19, 2018, 05:10 »
Silly question, if it is Roentgen why don't you have to convert to Rad or REM? The difference is small but still there.

another silly question if the meter face for R/hr and Sv/Hr match up how is roentgen at .877 match up with the Sv/hr meter face? Just sayin'

My  [2cents]  who am I to question the tech rep.  8)  I could be wrong but at least this thread is still alive.

Offline SloGlo

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Re: Common Used Acronyms
« Reply #28 on: Jul 19, 2018, 11:01 »
another silly question if the meter face for R/hr and Sv/Hr match up how is roentgen at .877 match up with the Sv/hr meter face? Just sayin'

My  [2cents]  who am I to question the tech rep.  8)  I could be wrong but at least this thread is still alive.
knot scene sv/hr hear.
https://ludlums.com/products/all-products/product/model-19
« Last Edit: Jul 19, 2018, 11:06 by SloGlo »
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Offline SloGlo

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Re: Common Used Acronyms
« Reply #29 on: Jul 19, 2018, 11:10 »
another silly question if the meter face for R/hr and Sv/Hr match up how is roentgen at .877 match up with the Sv/hr meter face? Just sayin'

My  [2cents]  who am I to question the tech rep.  8)  I could be wrong but at least this thread is still alive.
separate meter faces four different measurements.


Meter Face   Image   Description
202-1034   202 1034   0 - 500 µR/hr

202-1040   202 1040   0 - 50 µSv/h

https://ludlums.com/products/all-products/product/model-19a
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Offline SloGlo

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Re: Common Used Acronyms
« Reply #30 on: Jul 19, 2018, 11:14 »
Silly question, if it is Roentgen why don't you have to convert to Rad or REM? The difference is small but still there.

Quote from: Marlin on Today at 10:28:16

....that factor is one for gamma, well .93 for roentgen but radcon math applies.

quando omni flunkus moritati

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Re: Common Used Acronyms
« Reply #31 on: Jul 19, 2018, 11:17 »
Silly question, if it is Roentgen why don't you have to convert to Rad or REM? The difference is small but still there.
may bb caws if yins go full scale wit this meter, yore @ 5mr/he and knot inn danger of an over exposure.
« Last Edit: Jul 19, 2018, 11:19 by SloGlo »
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Offline Marlin

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Re: Common Used Acronyms
« Reply #32 on: Jul 20, 2018, 12:22 »
separate meter faces four different measurements.


Meter Face   Image   Description
202-1034   202 1034   0 - 500 µR/hr

202-1040   202 1040   0 - 50 µSv/h

https://ludlums.com/products/all-products/product/model-19a




Equivalent scales all you do is change the meter face.  ;)

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Re: Common Used Acronyms
« Reply #33 on: Jul 20, 2018, 06:34 »
So, does this mean that MOST of us meter swingers have been reporting our results wrongly?  The last site I worked at only had uRem/hr as a choice on the drop-down menu on VSDS.

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Re: Common Used Acronyms
« Reply #34 on: Jul 20, 2018, 07:03 »



Equivalent scales all you do is change the meter face.  ;)
quick look at faces show a scale difference witch will work with the math difference.
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Re: Common Used Acronyms
« Reply #35 on: Jul 20, 2018, 07:06 »
So, does this mean that MOST of us meter swingers have been reporting our results wrongly?  The last site I worked at only had uRem/hr as a choice on the drop-down menu on VSDS.
depends awn supervisory/administration direction n aporoval.
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Offline Bonds 25

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Re: Common Used Acronyms
« Reply #36 on: Jul 20, 2018, 10:17 »
MicroR (Model 19)  are used for finding radioactive material (Roentgen), usually outside RCA's (very sensitive, over response)

MicroREM (Bicron) are used for setting dose rates (Roentgen Equivalent Man)

Believe me, from experience, when they NRC sees that you have been using a MicroR for ISFSI and Protected Area boundary dose rates.....for many years, they will not be happy.
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Offline Bonds 25

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Re: Common Used Acronyms
« Reply #37 on: Jul 20, 2018, 11:29 »
RHR - Residual Heat Removal
RCIC - Reactor Core Isolation Cooling
RCC - Reactor Closed Cooling
RWCU - Reactor Water Clean Up
RRC - Reactor Recirculation
RFW - Reactor Feedwater
COND - Condensate
RPS - Reactor Protection System
SW - Service Water (Ultimate Heat Sink)
SRM - Source Range Monitor
LPRM - Local Power Range Monitoring
IRM - Intermediate Range Monitor
FPC - Fuel Pool Cooling
SRV - Safety Relief Valve
DAW - Dry Active Waste
CFD - Condensate Filter Demineralizer
EDR - Equipment Drain Radioactive
FDR - Floor Drain Radioactive
DAC - Derived Air Concentration
DW - Drywell
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Offline GLW

Re: Common Used Acronyms
« Reply #38 on: Jul 20, 2018, 11:44 »

both meters (bicron and ludlum) use NaI (I recall once upon a time Bicron [not thermo fisher] advertised the detectors as organic),....


bicrons can be "doped" for low energy sensitivity or "undoped" for standard sensitivity,...


either instrument when "normalized" to a Cs-137 field will improperly respond in oh, I don't know, something like an Am-241 field (actually I do know),...


so, sieverts and rem are the same result on different scales, energy deposited, damage done, soft tissue,...


roentgens are not the same, roentgens are energy deposited into thin air, air don't get hurt, air don't get sick, air don't die,...


the detectors inside the little black or tan box and the electronics inside the little black or tan box don't care what symbols are painted or printed on the meter face,...


it's how you set your meters up,...


"R" is just an "R",....


it's just a symbol on a meter face, etc.,...


it can mean just about anything you want it to, IF you know what you want it to mean, and you know how to set it up to mean that,....


if all of the above leaves you in that "the world is flat and a rock is a rock" place,...


well then, you're not qualified to know what you don't know,...


BUT, you do know how to observe a needle on a meter face or note a digital figure on a display screen,....


and write down a number on a piece of paper or type an entry onto a computer screen,...


and that obviously has some value, since you're all getting paychecks to do just that,...


now,.....


case closed,.....


I'm bored,...




edit:




OMG!!! once again I forgot to accommodate the SCWE sensitive snowflakes with the  emoticon translator devices,....


 [sarcasm] :old: :P :) ;) 8) ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL ROFL [Flamer]
« Last Edit: Jul 20, 2018, 11:51 by GLW »

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Offline Marlin

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Re: Common Used Acronyms
« Reply #39 on: Jul 20, 2018, 12:29 »
So, does this mean that MOST of us meter swingers have been reporting our results wrongly?  The last site I worked at only had uRem/hr as a choice on the drop-down menu on VSDS.


Cold case file reopened  8)

I doubt it Roentgen is a historical term as well as a more precise term for calibration. NIST does not want any association of Roentgen with Sieverts. Historical terms in RadCon are not that unusual, Thoron and Radon are a good example both are radon but the top of the decay chain, are uranium and thorium but Thoron to describe the gas at the end of the decay chain is not used that much any more.


 [coffee]

I have to admit to trolling a bit but it sure helped kept this thread alive for a bit.  ;D   [GH]


« Last Edit: Jul 20, 2018, 12:29 by Marlin »

Offline GLW

Re: Common Used Acronyms
« Reply #40 on: Jul 20, 2018, 12:40 »

.... NIST does not want any association of Roentgen with Sieverts.......



pert much,...


REMs and Sieverts are just fine together,...


albeit REM is fast approaching fossil status,....


been there, dun that,... the doormat to hell does not read "welcome", the doormat to hell reads "it's just business"

Offline SloGlo

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Re: Common Used Acronyms
« Reply #41 on: Jul 20, 2018, 02:03 »

albeit REM is fast approaching fossil status,....



butt, a sievert is a sievert is a sievert, just dew knot have the same cadence... 😉
quando omni flunkus moritati

dubble eye, dubble yew, dubble aye!

dew the best ya kin, wit watt ya have, ware yinze are!

Offline GLW

Re: Common Used Acronyms
« Reply #42 on: Jul 20, 2018, 02:20 »
butt, a sievert is a sievert is a sievert, just dew knot have the same cadence... 😉

true that,... :)

been there, dun that,... the doormat to hell does not read "welcome", the doormat to hell reads "it's just business"

 


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