Hong Kong Regulations

GAS SAFETY (GAS QUALITY) REGULATIONS - REGULATION 2

Interpretation

In these regulations, unless the context otherwise requires-

"relative density" (相對密度), in relation to any gas, means the ratio of
the mass of a volume of the gas when containing no water vapour to the mass

(expressed in the same units) of the same volume of air containing no water
vapour under the same conditions of temperature and pressure;

"sulphur" (硫磺) includes sulphur compound;

"Wobbe number" (華白指數) means the number derived by dividing the
calorific value of any gas by the square root of the relative density of the
gas. (Enacted 1990)

"relative density" (相對密度)

"sulphur" (硫磺)

"Wobbe number" (華白指數)