 ... way in which we stimulate them appear to be equally brilliant, and for the absence, with one doubtful exception, of all the rays of nitrogen. If we cannot give the reason of this, it is because we do not know the mechanism of luminescence — nor...  Papers on Radiation, Chemistry: 1901-1912 - Page 232by Smithsonian Institution - 1901Full view - About this book
 | British Association for the Advancement of Science. Meeting - 1903 - 1176 pages
...brilliant, and for the absence, with one doubtful exception, of all the rays of nitrogen. If we cannot give the reason of this, it is because we do not know...average above the ground of the base of the aurora was fifty kilometres (thirty-four miles) at Cape Thorsden, Spitzbergen ; at this height the pressure of... | |
 | British Association for the Advancement of Science - 1903 - 1174 pages
...brilliant, and for the absence, with one doubtful exception, of all the rays of nitrogen. If we cannot give the reason of this, it is because we do not know...average above the ground of the base of the aurora was fifty kilometres (thirty-four miles) at Cape Thorsden, Spitzbergen ; at this height the pressure of... | |
 | British Association for the Advancement of Science. Meeting - 1903 - 1182 pages
...themselves luminous, or whether they only produce stresses causing other particles which encounter theiu to vibrate ; yet we are certain that an electric discharge...•which, to our ignorance, seems capricious. The Swedish Xorth Polar Expedition concluded from a great number of trigonometrical measurements that the average... | |
 | Royal Institution of Great Britain - 1912 - 1316 pages
...give the reason of this, it is because we dp not know the mechanism of luminescence—nor even when the particles which carry the electricity are themselves...a way which, to our ignorance, seems capricious." It may be that in the intensely cold upper regions of the atmosphere precisely those substances are... | |
 | Royal Institution of Great Britain - 1912 - 1070 pages
...give the reason of this, it is because we dp not know the mechanism of luminescence — nor even when the particles which carry the electricity are themselves...a way which, to our ignorance, seems capricious." It may be that in the intensely cold upper regions of the atmosphere precisely those substances are... | |
 | George Downing Liveing, Sir James Dewar - 1915 - 646 pages
...brilliant, and for the absence, with one doubtful exception, of all the rays of nitrogen. If we cannot give the reason of this, it is because we do not know...average above the ground of the base of the aurora was fifty kilometres (thirty-four miles) at Cape Thorsden, Spitsbergen ; at this height the pressure of... | |
 | James Dewar - 1927 - 840 pages
...brilliant, and for the absence, with one doubtful exception, of all the rays of nitrogen. If we cannot give the reason of this, it is because we do not know...average above the ground of the base of the aurora was fifty kilometres (thirty-four miles) at Cape Thorsden, Spitsbergen ; at this height the pressure of... | |
 | Royal Institution of Great Britain - 1906 - 702 pages
...give the reason of this, it is because we do not know the mechanism of luminescence — nor even when the particles which carry the electricity are themselves...average above the ground of the base of the aurora was fifty kilometres (thirty-four miles) at Gape Thorsden, Spitsbergen ; at this height the pressure of... | |
 | Royal Institution of Great Britain - 1906 - 714 pages
...give the reason of this, it is because we do not know the mechanism of luminescence —nor even when the particles which carry the electricity are themselves...and not another, in a way which, to our ignorance, scorns capricious. The Swedish North Polar Expedition concluded from a great number of trigonometrical... | |
 | 844 pages
...brilliant, and for the absence, with one doubtful exception, of all the rays of nitrogen. If we cannot give the reason of this, it is because we do not know...average above the ground of the base of the aurora was fifty kilometres (thirty-four miles) at Cape Thorsden, Spitsbergen ; at this height the pressure of... | |
| |
