(GOR) A measure of evaporator performance which represents the ratio of mass flow of distillate to steam input.

A unit of volume for liquid substances approximately equal to 1.2 gallons (US) or 4.546 litres.

A unit of volume for liquid substances equal to 231 cubic inches and approximately equivalent to 3.785 litres.

1) The use of an inert gas in an enclosed tank’s vapour space to minimize vapour formation or keep out unwanted air and moisture.

2) The action of non-condensible gases impeding heat transfer as a result of poor venting

The rate of change of an elevation, velocity, pressure, temperature, or other parameter.

(gr) A unit of mass equal to 0.0648 gram.

(GHG) Gases including carbon dioxide, methane, nitrous oxide, and CFCs which have been recognized to contribute to the greenhouse effect.

Subsurface water found in porous rock strata and soil.

The mineral consisting primarily of fully hydrated calcium sulphate. Chemical formula is CaSO_4-2H0.