Nature, Količina 93Sir Norman Lockyer Macmillan Journals Limited, 1914 |
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Zadetki 1–3 od 76
Stran 205
... tube , whilst the temperature of the pro- ducts leaving the tube was about 200 ° C. Of the total evaporation , no less than 70 per cent . occurred over the first linear foot of the tube , 22 per cent . over the second foot , and only 8 ...
... tube , whilst the temperature of the pro- ducts leaving the tube was about 200 ° C. Of the total evaporation , no less than 70 per cent . occurred over the first linear foot of the tube , 22 per cent . over the second foot , and only 8 ...
Stran 270
... tube . The solution of this problem clearly requires that we shall have at our disposal an apparatus capable of emitting a specific type of ray in definite quantity ; and were it not for some ex- periments by Dr. Lilienfeld , and more ...
... tube . The solution of this problem clearly requires that we shall have at our disposal an apparatus capable of emitting a specific type of ray in definite quantity ; and were it not for some ex- periments by Dr. Lilienfeld , and more ...
Stran 272
... tube and a white - hot wire . The work- ing potential difference is then applied to the main electrodes and a discharge immediately passes . Since the current taken by the tube depends upon the temperature of the so - called priming ...
... tube and a white - hot wire . The work- ing potential difference is then applied to the main electrodes and a discharge immediately passes . Since the current taken by the tube depends upon the temperature of the so - called priming ...
Vsebina
Brauner Prof B New Units in Aerology 136 | 9 |
Brown Prof W Change of Length in Nickel Wire 232 | 17 |
Appleyard Direct Measurement of the Napierian Base 231 | 24 |
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absolute magnitude acid æther appears April Astronomical atomic atomic weight balloon brightness British cent chemical chemistry College colour committee contains density described discussion edition effect electric electrons Engineering expedition experiments fact Funafuti Geological giant stars given gives heat Hermann et Fils illustrated important increase industry interesting investigation J. J. Thomson laboratory large number larvæ lectures lines London magnetic magnitude March matter means measures ment metals Meteorological method motion Museum National Physical Laboratory nature observations Observatory obtained origin paper parallax period photographs physical plants plates present Price problems produced Prof published radiation radium recent rocks ROYAL INSTITUTION Royal Society schools scientific sodium amide solar species spectra spectral classes spectrum stars of Class surface temperature theory tion tube University velocity volume W. H. Bragg