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Energy Statistics Yearbook - Abbreviations and symbols

Introduction | Definitions
Abbreviations and symbols | Conversion factors

The following abbreviations and symbols have been used in the publication:

C:H

ratio between carbon and hydrogen

cSt

centistoke

C3H8

chemical symbol for propane gas

C4H10

chemical symbol for butane gas

C

degree Celsius

kcal

kilocalorie

kg

kilogramme

kg/cm2

kilogramme per square centimetre

KJ

kilojoule

kWh

kilowatt-hour

LPG

liquefied petroleum gas

mg/g

milligramme per gramme

MJ

megajoule (106 joules)

NGL

natural gas liquids

RON

research octane number

t

metric ton

TCE

ton of coal equivalent

TJ

terajoule (1012 joules)

TOE

ton of oil equivalent

*

estimate by the Statistics Division of the United Nations Secretariat

..

data not applicable or not available

0

less than 0.5 of the unit specified or nil.

United Nations Statistics Division - Environment Statistics