 | 1864 - 332 стор.
...those of the hydrogen flame must be extra-red also. The absorption by dry air of the heat emitted by a platinum spiral raised to incandescence by electricity...insensible, while that of the undried air rose to 10 per cent, of the entire radiation. The temperature of the hydrogen flame was, as stated, 3x59°... | |
 | Royal Society (Great Britain) - 1864 - 636 стор.
...Molecular Physics. [Mar. 17, must be extra-red also. The absorption by dry air of the heat emitted by a platinum spiral raised to incandescence by electricity...entire radiation. The temperature of the hydrogen flame was as stated, 3259° C., that of the aqueous vapour of the air was 20° C. Suppose, then, the... | |
 | 1864 - 648 стор.
...also. The absorption bj dry air of the heat emitted by a platinum spiral raised to incandescence Ъу electricity was found to be insensible, while that...the undried air rose to 20 per cent, of the entire radiati г.. The temperature of the hydrogen flame was, as stated, 3159° C. ; that of the aqueous... | |
 | 1864 - 654 стор.
...those of the hydrogen flame must be extra-red also. The absorption by dry air of the heat emitted by a platinum spiral raised to incandescence by electricity...found to be insensible, •while that by the ordinary uudried air was 6 per cent. Substituting for the platinum spiral a hydrogen flame, the absorption by... | |
 | Royal Institution of Great Britain - 1866 - 730 стор.
...those of the hydrogen flame must be extra-red also. The absorption by dry air of the heat emitted by a platinum spiral raised to incandescence by electricity...dry air still remained insensible, while that of the undriud air rose tn 20 per cent, of the entire radiation. The temperature of the hydrogen flame was,... | |
 | John Tyndall - 1879 - 522 стор.
...spiral raised to incandescence by electricity is insensible, while that by the ordinary undried air is 6 per cent. Substituting for the platinum spiral a hydrogen flame, the absorption by dry air still remains insensible, while that of the undried air rises to 20 per cent. of the entire radiation. The... | |
 | John Tyndall - 1896 - 574 стор.
...spiral raised to incandescence by electricity is insensible, while that by the ordinary undried air is 6 per cent. Substituting for the platinum spiral a hydrogen flame, the absorp-' tion by dry air still remains insensible, while that of the undried air rises to 20 per cent.... | |
 | John Tyndall - 1897 - 448 стор.
...spiral raised to incandescence by electricity is insensible, while that by the ordinary undried air is 6 per cent. Substituting for the platinum spiral a hydrogen flame, the absorption by dry air still remains insensible, while that of the undried air rises to 20 per cent. of the entire radiation. The... | |
 | Royal Institution of Great Britain - 1866 - 742 стор.
...those of the hydrogen flame must be extra-red also. The absorption by dry air of the heat emitted by a platinum spiral raised to incandescence by electricity...6 per cent. Substituting for the platinum spiral a hydVogen flame, the absorption by dry air still remained insensible, while that of the undried air... | |
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C. But the periods of water have already been proved to be extra-red — hence those of the hydrogen flame must be extra-red also. The absorption by dry air of the heat emitted by a platinum spiral raised to incandescence by electricity was found to be... 