| abrevi |
refers-to |
to be used for |
| A |
"Ampere" |
electric
current, init. defined as electromagnetic flow of charges |
| a_ |
"atto..." |
pre-factor,
equival't to 0.000000000000000001 = 1 x 10Exp -18 |
| Al |
"Aluminium"
[Alu] |
or
"aluminum", chemical element 13, lightMetal alloy +ingredient |
| Ar |
"Argon" |
inert
gas under normal conditions, chem. Element
18, in air ~1% |
| Atm |
"Atmosphere" |
common
"monobar" sealevel pressure = 0.1 MPa or relative |
| B |
"Byte" |
data
info unit (1 B can be 8-bit ASCII-sign); or chem. # 5 Boron |
| bps |
"bit-per-second" |
information
transfer rate, often can include io-control+adress |
| C |
"Carbon" |
chem.
Element 6 solid to normalConditions (fibre's +diff.form's) |
| c_ |
"Centi..." |
pre-factor,
equivalent to 0.01 = 1 x 10Exp -2 |
| Ca |
"Calcium" |
chemical
Element often as Mineral Salt's and rare used in alloys |
| CA_ |
"ComputerAided_" |
CAE=Engineering,
CAD=Design, CAQ ...; CA=California |
| CO |
"CarbonOxid" |
or
"CarbonMonoxid" exotherm combustion byproduct; +US State |
| CO2 |
"Carbondioxid" |
common
oxydation product, rather inert, >3-7% =lethal |
| d_ |
"Dezi..." |
pre-factor,
equivalent to 0.1 = 1 x 10Exp -1; |
| E_ |
"Exa..." |
pre-factor,
equivalent
to 1000000000000000000 = 1 x 10Exp 18 |
| e.g. |
"exemple
gratia" |
exemplary
gratia, at example, zum Beispiel, tatóeba |
| F |
"Farad" |
electric
capacity measure = As/V = Coulomb/Volt, or Fluorine #9 |
| f_ |
"femto..." |
pre-factor,
equivalent
to 0.000000000000001 = 1 x 10Exp -15 |
| G_ |
"Giga..." |
pre-factor,
equivalent to 1000000000 = 1x 10Exp 9 |
| g |
"Gramm" |
mass
measure unit, ISO normal defined |
| H |
"Henry" |
electric
inductivity measure, 1H = 1 Vs/A = 1kgm²/s²A² |
| h |
"Hour" |
common
time measure, 1h = 3600 s = 60 minutes |
| H2 |
"Hydrogen" |
lightest
gasous molecule normalCondition of chem. H-element's |
| He |
"Helium" |
lightest
inert media, gaseous, rare, atomic mass = 4.0026 |
| Hz |
"Hertz" |
frequency
measured
as number of event cycles per second |
| J |
"Joule" |
energy
measure, 1 J = 1 Ws = 1 Nm = 1 kgm²/s³ |
| K |
"Kelvin" |
th.temperature,
0 degreCentigrade=273.15K; or Kalium chem.#19 |
| k_ |
"Kilo..." |
pre-factor,
equivalent to 1000 = 1 x 10Exp 3 |
| l |
"Litre"
[Liter] |
volume
measure, 1 litre = 0.001 m³ = 1 dm³ = 1000 ccm |
| M_ |
"Mega..." |
pre-factor,
equivalent to 1000000 = 1 x 10Exp 6 |
| m_ |
"Milli..." |
pre-factor,
equivalent to 0.001 = 1 x 10Exp -3 |
| m |
"Meter" |
length
measure, ISO normal, historic 40Mm=earthCircumference |
| m² |
"squareMeter" |
surface
measure unit, equivalents of 1m side length, = m Exp 2 |
| m³ |
"cubicMeter" |
volume
measure unit, equivalents of 1m side length, = m Exp 3 |
| mn³ |
"Norm-cubicMeter" |
normal
equivalent of 1m³ at 101325 N/m² at 273.15 K |
| Mg |
"Magnesium" |
chemical
element, light metal, alloy + salt ingredient |
| MPa |
"MegaPascal" |
pressure+tension
measure, 1MPa = 1N/mm² = 10Atm = 10bar |
| N |
"Newton" |
force
unit, 1 N = 1 kg mass at 1 kg m²/s² (/earth
1kg weights ~9.81 N) |
| n_ |
"Nano..." |
pre-factor,
equivalent to 0.000000001 = 1 x 10Exp -9 |
| N2 |
"Nitrogen" |
gasous
/normalCondition,
chem. # 7, 78% natural content in air |
| Ne |
"Neon" |
inert
rare technical gas (normCond.), atomic mass 20.183 element10 |
| Nm |
"NewtonMeter" |
common
torque measure unit, 1 Nm = 1 kg m²/s² |
| NW |
"NominalWidth" |
diametral
equivalent flow-thru width, or equivalent in mm |
| O2 |
"Oxygen"
[Oxigen] |
gasous
/normConditions chem. #8, "aerob"=Oxydant, in air ~21% |
| P_ |
"Peta..." |
pre-factor,
equivalent
to 1000000000000000 = 1 x 10Exp 15 |
| p_ |
"Pico..." |
pre-factor,
equivalent
to 0.000000000001 = 1 x 10Exp -12 |
| Pa |
"Pascal" |
pressure+tension
measure in N/m² (ISO), 1 MPa = 145.1 psi |
| ppb |
"parts-perBillion" |
content
measure relative to or in 10Exp 9 (1ppb = 0.0000001%) |
| ppm |
"parts-perMillion" |
content
measure relative to or in 10Exp 6 (1ppm = 0.0001%) |
| p.a. |
"per
annum" |
latin
= yearly, as timely related total average measure "perYear" |
| s |
"Second" |
time
unit (ISO) in which light travels 299792458km thru vacuum |
| Si |
"Silicon" |
metal,
alloy + ceramic-ingredient, semiconduct element 14 |
| T |
"Terra..." |
pre-factor
equivalent
to 1000000000000 = 1 x 10Exp 12 |
| Ti |
"Titanium"
[Titan] |
metal,
alloy' and ceramic- or also pigment-ingredient |
| V |
"Volt" |
electric
"Voltage", DC (directed) or AC common, Vanadium #23 |
| W |
"Watt" |
power
measure 1 W = 1 kg m²/s³ = 1 J/s (ISO); Tungsten
#74 |
| _' |
"...foot"
['s=feet] |
1'
= 12" = 0.3048m |
| _" |
"...inch" |
1"
= 25400µm ! = 25.4mm = 2.54cm = 0.254dm = 0.0254m |
| µ_ |
"Micro..."
[mü] |
pre-factor,
equivalent to 0.000001 = 1 x 10Epx -6 |
