Gas Poisoning. Poisoning, Gas . Gas Poisonings . Poisonings, Gas . Poisoning that results from exposure to gases such as CARBON MONOXIDE; NOBLE GASES; OXYGEN; or NATURAL GAS. . 1.00
Noble Gases. Group 18 Elements . Elements, Group 18 . Gases, Noble . Inert Gases . Gases, Inert . Rare Gases . Gases, Rare . Elements that constitute group 18 (formerly the zero group) of the periodic table. They are gases that generally do not react chemically. . 0.54
Gases. Gas 4467 . Vapours . The vapor state of matter; nonelastic fluids in which the molecules are in free movement and their mean positions far apart. Gases tend to expand indefinitely, to diffuse and mix readily with other gases, to have definite relations of volume, temperature, and pressure, and to condense or liquefy at low temperatures or under sufficient pressure. (Grant & Hackh's Chemical Dictionary, 5th ed) . 0.45
Natural Gas. Shale Gas . Gas, Shale . Gas, Natural . A combustible, gaseous mixture of low-molecular weight PARAFFIN hydrocarbons, generated below the surface of the earth. It contains mostly METHANE and ETHANE with small amounts of PROPANE; BUTANES; and higher hydrocarbons, and sometimes NITROGEN; CARBON DIOXIDE; HYDROGEN SULFIDE; and HELIUM. (from McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed) . 0.43