Breathing Gases

Some articles on breathing, gases, breathing gases:

Breathing Gas
... 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 habitats such as SCUBA equipment, surface supplied diving equipment ...
Partial Pressure in Diving Breathing Gases
... In recreational diving and professional diving the richness of individual component gases of breathing gases is expressed by partial pressure ... Nitrogen narcosis is a problem when breathing gases at high pressure ... the maximum total partial pressure of narcotic gases used when planning for technical diving is 4.5 bar absolute, based on an equivalent narcotic depth of 35 metres (115 ft) ...

Famous quotes containing the words gases and/or breathing:

    The bird is not in its ounces and inches, but in its relations to Nature; and the skin or skeleton you show me, is no more a heron, than a heap of ashes or a bottle of gases into which his body has been reduced, is Dante or Washington.
    Ralph Waldo Emerson (1803–1882)

    To fair Fidele’s grassy tomb
    Soft maids and village hinds shall bring
    Each opening sweet of earliest bloom,
    And rifle all the breathing spring.
    William Collins (1721–1759)