- •Издание третье
- •Москва 2005
- •Корректор В.А. Дружинина
- •Appendix 2
- •Abbreviations Used in Science
- •Appendix 3
- •Latin Words and Abbreviations
- •Appendix 4
- •Mathematical Symbols
- •Appendix 5
- •Numerical Expressions
- •VULGAR FRACTIONS
- •an/one eighth
- •0.125 (nought) point one two five
- •a/one quarter
- •0.25 (nought) point two five
- •a/one third
- •0.33 (nought) point three three
- •a/one half
- •0.5 (nought) point five
- •three quarters
- •0.75 (nought) point seven five
- •Appendix 6
- •Reading Mathematical Symbols
- •Appendix 7
- •Measurements (Inantimate)
- •Appendix 8
- •Weights and Measures
- •Appendix 9
- •Quantities, Units and Symbols
- •QUANTITY
- •SYMBOL
- •SI UNIT
- •SYMBOL
- •DERIVATION
- •Appendix 10
- •Letters Used as Symbols for Quantities
- •Appendix 11
- •Important Values, Constants and Standards
- •Appendix 12
- •Greek Alphabet
- •Name
- •Appendix 13
- •List of Chemical Elements
- •Appendix 14
- •Reading Chemical Formulas
- •AcOH ↔ AcO– + H+
- •AcO– – acyloxy ion
- •Appendix 15
- •Thermal Expansion, Temperature
- •Celsius scale
- •Centigrade scale
- •Fahrenheit scale
- •Rйaumur scale
- •Appendix 16
- •List of International Words
(unit of electricity) |
– |
kWh |
– |
kilowatt × hour |
velocity |
u, v |
m s-1 |
– |
distance/time |
– , angular |
ω |
second -1 |
s-1 |
angle/time |
– of e.m. waves |
c |
m s-1 |
– |
– |
– of sound |
|
m s-1 |
– |
– |
volume |
V |
metre cubed |
m3 |
l ×b ×h |
wavelength |
λ |
metre |
m |
fundamental unit |
work |
w |
joule |
J |
force x distance |
|
|
|
|
(N • m) |
weight |
W |
newton |
N |
kg m s-2 or mg |
|
|
Appendix 10 |
|
|
Letters Used as Symbols for Quantities |
||||
Letter |
|
Quality |
|
|
A area, mass number a acceleration
Вmagnetic flux density
b |
breadth |
C |
capacitance, heat capacity |
сspecific heat capacity, velocity of e.m. waves in vacuum,
critical angle
d relative density, thickness, distance apart
E energy, electric field strength, electromotive force. Ek kinetic energy, Ep potential energy, E0peak e.m.f.
e charge on electron (or proton), an electron F Faraday constant, force
f frequency, focal length
Gfree energy (∆G), conductance g acceleration due to gravity
Hmagnetic field strength, magnetizing force, heat of reaction (∆H)
h |
height |
I |
intensity of radiation, electric current |
a |
peak current |
i |
angle of incidence |
k |
a constant |
L |
self-inductance, latent heat, Avogadro constant |
Lm |
molar latent heat |
I |
length, specific latent heat |
88
M |
mutual inductance, molar solution |
т |
mass, electromagnetic moment, magnification |
N |
number of molecules, neutron number |
NA |
Avogadro constant |
N |
a number, refractive index, number of moles, a neutron |
P |
power |
ppressure, order of a spectrum, a proton Q electric charge
qquantity of heat
R |
resistance |
RA |
anode slope resistance, molar gas constant |
rangle of refraction, gas constant (nR), radius
sdistance along a path, slit separation
Тperiod, thermodynamic (absolute) temperature, torque,
t |
tension, turns ratio |
time |
|
ts |
half-life |
u |
initial velocity, velocity of molecules, object distance |
V |
volume, electrical potential, potential difference |
Vm |
molar volume |
V |
velocity, image distance, velocity of sound |
W |
weight |
w |
work |
X |
reactance |
z |
atomic number |
z |
charge on ion, electrochemical equivalent |
αan angle
∆an increment (finite)
ε permittivity
ηefficiency
θtemperature (Celsius), temperature difference, an angle,
Bragg angle
λwavelength, decay constant
µpermeability, amplification factor
π ratio of circumference to diameter of circle ρ density, resistivity
Ф magnetic flux
φan angle
ωangular velocity
89