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Scientific & Technical named after people |
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3146
(1 vote, average 5.00 out of 5)
Scientific & Technical units named after people
| unit | symbol | person | quantity measured | value |
| ampere |
A |
André-Marie Ampère |
electric current |
C/s |
| angstrom |
Å |
Anders Jonas Ångström |
length |
10e-10 m |
| baud |
- |
Jean-Maurice-Émile Baudot |
signal transmission speed |
1 unit per second |
| becquerel |
Bq |
Antoine-Henri Becquerel |
disintigration rate |
one disintigration per second |
| bel |
B |
Alexander Graham Bell |
power comparison |
dimensionless |
| biot |
Bi |
Jean Baptiste Biot |
electric current |
10 A |
| blondel |
- |
André-Eugène Blondel |
luminence |
p-1 cd·m-2 |
| Bubnoff unit |
- |
Bubnoff |
speed |
10e-6 m/year |
| clausius |
Cl |
Rudolf Julius Emanuel Clausius |
entropy |
cal/K |
| coulomb |
C |
Charles-Augustin de Coulomb |
electric charge |
A·s |
| curie |
Ci |
Marie and Pierre Curie |
disintigrtion rate |
3.7e10 Bq |
| dalton |
- |
John Dalton |
mass |
1/16 the mass of an oxygen-16 atom |
| darwin |
- |
Charles Darwin |
evolutionary change |
|
| debey |
D |
Peter Joseph Wilhelm Debey |
electric dipole moment |
(10e-19/c) C·m |
| einstein |
E |
Albert Einstein |
quanity of light |
one mole of photons |
| Eotvos unit |
E |
Roland, Baron von Eötvös |
gradient of acceleration |
10e-9 s-2 |
| farad |
F |
Michael Faraday |
electric capacitance |
A·s/V |
| faraday |
Fd |
Michael Faraday |
electric charge |
the charge of a mole of electrons |
| fermi |
fm |
Enrico Fermi |
length |
10e-15 m |
| franklin |
Fr |
Benjamin Franklin |
electric charge |
3.33564e-10 C |
| gal |
- |
Galileo Galilei |
acceleration |
cm·s-2 |
| gauss |
G |
Carl Friedrich Gauss |
magnetic induction |
10e-4 T |
| gilbert |
- |
William Gilbert |
electromotive force |
10/4p A·turns |
| gray |
Gy |
L. H. Gray |
radiation dose |
J/kg |
| hartree |
- |
Douglas Rayner Hartree |
energy |
approximately 27.21 eV |
| hefner candle |
- |
Friedrich Franz von Hefner-Alteneck |
luminous intensity |
0.903 candle |
| henry |
H |
Joseph Henry |
inductance |
V·s/A |
| hertz |
Hz |
Heinrich R. Hertz |
frequency |
1 cycle/second |
| jansky |
Jy |
Karl C. Jansky |
radio source strength |
10e-26 J/m2· |
| joule |
J |
James Prescott Joule |
energy |
kg·m2s-2 |
| kayser |
K |
Heinrich Gustav Johannes Kayser |
wave number |
wavelength/cm |
| kelvin |
K |
William Thompson, Lord Kelvin |
temperature |
|
| lambert |
lam |
Johann Heinrich Lambert |
luminance |
lumen/cm2 |
| langley |
- |
Samuel P. Langley |
energy flux per area |
cal/ cm2 |
| mach |
M, Ma |
Ernst Mach |
speed |
[depends on the medium] |
| maxwell |
Mx, M |
James Clerk Maxwell |
magnetic flux |
10e-8 Wb |
| neper |
Np |
John Napier |
amplitude comparison |
dimensionless |
|
| newton |
N |
Isaac Newton |
force |
kg·m·s-2 |
| oersted |
Oe |
H. C. Oersted |
magnetic field strength |
maxwell/cm |
| ohm |
W |
George Simon Ohm |
electric resistance |
|
| pascal |
Pa |
Blaise Pascal |
pressure |
N/m2 |
| planck |
- |
Max K. E. L. Planck |
action |
J·s |
| poise |
P |
Jean-Louis-Marie Poiseuille |
dynamic viscosity |
0.1 Pa·s |
| reyn |
- |
Osborne Reynolds |
dynamic viscosity |
10e4·(1.45)-1 Pa·s |
| roentgen |
R |
William Conrad Röntgen |
radiation exposure |
2.58e4 A·s/kg |
| rutherford |
rd |
Ernst Rutherford |
disintigration rate |
10e6 Bq |
| rydberg |
Ry |
Johannes Robert Rydberg |
energy |
approx. 2.425e-28 J |
| sabin |
- |
Wallace Clement Sabine |
sound absorption |
|
| savart |
- |
Félix Savart |
pitch interval |
1/300 of an octave |
| siemens |
S |
Ernst Werner von Siemens |
electric conductance |
W-1 |
| sievert |
Sv |
R. M. Sievert |
dose equivalent of radiation |
J/kg |
| stokes |
St |
George Stokes |
kinematic viscosity |
10e-4 m2/s |
| Svedberg |
S |
Theodor S. Svedberg |
sedimentation coefficient (time) |
10e-13 s |
| sverdrup |
- |
Harald Ulrich Sverdrup |
flow |
10e6 m3/s |
| talbot |
- |
William Henry Fox Talbot |
quantity of light |
lm·s |
| tesla |
T |
Nicola Tesla |
magnetic flux density |
kg/A·s2 |
| torr |
- |
Evangelista Torricelli |
pressure |
133.32 Pa |
| volt |
V |
Alessandro Volta |
potential difference |
W/A |
| watt |
W |
James Watt |
power |
J/s
|
| weber |
Wb |
Wilhelm Eduard Weber |
magnetic flux |
V·s |
Scientific & Technical scales named after people
| scale | person | what it measures |
| Antonadi scale |
? |
astronomical viewing conditions |
| Atterberg scale (or limits) |
? |
soil behavior in the presence of water |
| Baumé scale |
Antoine Baumé |
density of liquids |
| Beaufort scale |
Sir Francis Beaufort |
wind speed |
| Beranek scale |
Leo R. Beranek |
loudness of noise |
| Binet-Simon scale |
Alfred Binet and Theodore Simon |
human intelligence |
| Brix scale |
Adolf F. W. Brix |
strength of sugar solution |
| Cattell scale |
James McKeen Cattell |
human intelligence |
| Celsius scale |
Anders Celsius |
temperature |
| Dalton’s temperature scale |
John Dalton |
temperature |
| Douglas scale |
H. P. Douglas |
ocean surface disturbance |
| Fahrenheit scale |
Gabriel Daniel Fahrenheit |
temperature |
| Forel scale |
François-Alphonse Forel |
ocean and lake water color |
| Giaque’s temperature scale |
William Francis Giaque? |
temperature |
| Holmes scale |
T.H. Holmes |
psychological stress |
| Kelvin temperature scale |
William Thompson, Lord Kelvin |
temperature |
| Kelvin time scale |
William Thompson, Lord Kelvin |
stellar collapse time |
| Linke scale |
? |
shades of blue (of the sky) |
| Mohs scale |
Friedrich Mohs |
mineral hardness |
| Pauling scale |
Linus Carl Pauling |
electronegativity (chemistry) |
| Pythagorean scale |
Pythagoras |
musical pitch |
| Rankine scale |
William John Macquorn Rankine |
temperature |
| Réaumur scale |
René Antoine Ferchault de Réaumur |
temperature |
| Richter scale |
Charles Francis Richter |
earthquake magnitude |
| Twaddell scale |
William Twaddell |
density of liquids |
| Wechsler scale |
David Wechsler |
human intelligence |
| Wentworth scale |
C. K. Wentworth |
sedimentary rock particle size |
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