:

  •  
                                                          

    ( ... . therme - )

    ( ... . therme - )

    , ( 1-2 ) ( 200o) .

    (Bunsen) (1811-99)
    (Aston) (1877-1945)
    ( . Libra)
    ( . aer - )
    (Bayliss) (1860-1924)
    :