BOTANY, VOLUME 1: CELL BIOLOGY. ANATOMY. MORPHOLOGY — 2007

LIST OF ABBREVIATIONS

UNITS AND SYMBOLS

SI (Système International d’Unités): Base Units and Symbols

Quantity

Name

Symbol
international/

Russian

Quantity

Name

Symbol
international/

Russian

Electric current (I)

ampere

А/А

Amount of substance (N)

mole

mоl/моль

Length (L)

metre

m/м

Temperature (Т)

kelvin

К/К

Luminous intensity (I)

candela

cd/кд

Time (t)

second

s/с

Mass (М)

kilogram

kg/кг




Important Derived SI Units

Quantity

Name

Symbol international/ Russian

Equivalent in SI units

Pressure

pascal

Ра/Па

1 Ра = 1 N m 2 = 1 kg m-1 s 2

1 Па = 1 Н/м2 = 1 кг/(м с2)

Electric charge

coulomb

С/Кл

1 С = 1 A s =IJ V1

1 Кл = 1 А с = 1 Дж/В

Electric potential difference

volt

V/В

1 V= 1 J А 1s 1 = 1 W А-1 1 В= 1 Дж/А с = 1 Вт/А

Electric resistance

ohm

Ω/Ом

1 Ω=1 m2 kg s 3 А-2

1 Ом = 1 м2 кг/(с3 А2)

Energy, work, quantity of heat

joule

J/Дж

1 J = 1 W s = 1 kg m2 s 2

1 Дж = 1 Вт с = 1 кг м2/с2


electronvolt

еV/эВ

1еV= 1,602 11-19J

1эВ= 1,602 10 19 Дж

Absorbed dose (ionizing radiation)

gray

Gу/Гр

1 Gy = 1 J kg 1 = 1 m2 s 2 1 Гр = 1 Дж/кг = 1 м2/с2

Frequency

hertz

Нz/Гц

1 Hz = 1 s-1

1 Гц = 1/с

Catalytic activity (enzymes)

katal

каt/kат

1 kat = 1 mol s 1

1 кат = 1 моль/с

Force

newton

N/Н

1 N = 1 kg m s 2

1 Н = 1 кг м/с2

Power, radiant flux

watt

W/Вт

1 W = 1 kg m2 s-3

1 В = 1 кг м2/с3

Illuminance

lux

lx/лк

1 lх = 1 lm m 2

1 лк = 1 лм/м2

Luminous flux

lumen

lm/лм

1 lm = 1 cd sг-1(sr = steradian)

1 лм - 1 кд/ср

Radioactivity

becquerel

Вq/Бк

1 Bq = 1 s-1

1 Бк= 1/с

Units of Photochemically Active Radiation




Quantity

Equivalent in SI units

Quantity

Equivalent in SI units

Radiant exposure

J m-2

Дж/м2

Luminous energy

lm s

лм с

Radiant energy flux density

J m-2 s 1 = W m 2

Дж/м2 с = Вт/м2

Photon (quantum) flux density

mol m-2 моль/м2

Energy amount

J

Дж

Photon (quantum) flux

mol m 2 s-I моль/(м2 с)

Energy flux

J S-1

Дж/с

Photon (quantum) flow rate

mol s-1

моль/с

Luminous energy density

lm m-2 s

лм с/м2








Units of Transport, Growth, and Movement Processes

Quantity

Equivalent in SI units

Transport flux


Rate (J)

mol m 2 s-1или m3 m-2 s 1= m s 1 моль/(м2 с) или м3/(м2 с) = м/с

Flux (J)

mol s 1 или m3 s 1, моль/с или м3/с

Growth, movement


Velocity (V)

m s-1 м/с

Frequently Used Units in Physiology (Not Included in SI)



Symbol international/ Russian


Quantity

Name


Equivalent in SI units





Pressure (р)

bar

bаг/бар

1 bar = 105 Ра = 105N m-2

1 бар = 105 Па = 105 Н/м2

Mass (m)

gram

g/r

1 g= ю 3kg

1 г = 10 3 кг


tonne

t/т

1 t — 103kg

1 т = 103 кг

Molar mass

gram per mole

g/mol

1 g mol 1 = 10-3kg mol-1



г/моль

1 г/моль = 10 3 кг/моль

Sedimentation

svedberg

S/S

1 S = 10 13s

constant



1 S = 10-13 с

Amount concentration

Molarity

mole per litre

М/М

mol 1 1 = mol dm 3

моль/л - моль/дм3

Molality

mole per kilogram


mol kg 1

моль/кг

Osmolality

moles of osmotically active


osmol kg 1


particles per kilogram of solution (water)


моль/кг

(Molecular)

dalton

Da/Да

1 Da = 1,6605 10 27kg

particle mass



1 Да= 1,6605 10 27 кг

Temperature (Т)

degree Celsius

°C/°C

0 °С = 273,15 К

0°С = 273,15 К

Volume (V)

litre

1/л

1 L = 10-3m3= 1 dm3

1 л = 10-3 м3 = 1 дм3

Time (t)

minute

min/мин

1 min= 60 s

1 мин = 60 с


hour

h/ч

1 h - 3 600 s

1 ч - 3 600 с


day

d/сут

1 d-86 400 s

1 сут = 86 400 с


year

а/год


Conversion Factors for Units No Longer Permitted

Quantity

Name

Symbol international/Russian

Conversion to SI units

Pressure

atmosphere

atm/атм

1 atm (760 mmHg) = 101 325 Ра = 1,013bar

1 атм (760 мм рт ст ) = 101 325 Па = 1,013 бар


torr

torr/торр

1 torr = 101 325 Ра 760 = 133,3 Ра 1 торр - 101 325 Па 760 = 133,3 Па

Energy

erg

erg/эрг

1 erg = 10-7J

1 эрг = 10"7 Дж


calorie

cal/кал

1 cal = 4,1868 J

1 кал = 4,1868 Дж

Energy dose

rad

rd/рад :

1 rd = 0,01 J kg 1

1 рад = 0,01 Дж/кг

Ion dose

roentgen

г/Р

1 г =2,58 10-4 С kg 1

1 Р = 2,58 10-4 Кл/кг

Length

angstrom

Á

1 Á= 10 10m= 10-1nm

1Á= 10 10м= 10-' нм

Amount of quanta (photons)

Einstein

Е

1 E = 1 mol квантов (фотонов)

1 E = 1 моль квантов (фотонов)

Radioactivity

curie

Сi/Ки

1 Ci = 3,77 10l0Bq

1 Ки = 3,77 1010Бк

Multiples and Submultiples of Units (Prefixes)*

peta- (Р/П)

1015

hecto- (h/r)

102

micro- (μ/мк)

10-6

tera- (Т/Т)

1012

deca- (da/да)

101

nano- (n/н)

10-9

giga- (G/T)

109

deci- (d/д)

10-1

pico- (р/п)

10-12

mega- (М/М)

106

centi- (с/с)

10-2

femto- (f/ф)

10-15

kilo- (к/к)

103

milli- (m/м)

103

atto- (а/а)

10-18

* To prevent calculation errors, the use of exponentiation is recommended