- fractional adsorption
- Chemical Engineeringபகுதிப் பரப்புக் கவர்ச்சி
English-Tamil dictionary. 2014.
English-Tamil dictionary. 2014.
petroleum refining — Introduction conversion of crude oil into useful products. History Distillation of kerosene and naphtha The refining of crude petroleum owes its origin to the successful drilling of the first oil well in Titusville, Pa., in 1859. Prior to… … Universalium
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Rare earth element — Rare earth ore, shown with a United States penny for size comparison These rare … Wikipedia
Breathing gas — is a mixture of gaseous chemical elements and compounds used for respiration. Air is the most common and only natural breathing gas. Other artificial gases, either pure gases or mixtures of gases, are used in breathing equipment and enclosed… … Wikipedia