Nature, Količina 102Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Zadetki 1–3 od 39
Stran 42
... carbon , use , and advantages of the nitrogen , phosphorus , silicon , titanium , zirconium , thorium , germanium , and potash groups of fertilisers . Under the head - tin , and lead . For carbon 150 pages of the text ing of " Mixed ...
... carbon , use , and advantages of the nitrogen , phosphorus , silicon , titanium , zirconium , thorium , germanium , and potash groups of fertilisers . Under the head - tin , and lead . For carbon 150 pages of the text ing of " Mixed ...
Stran 77
... carbon , through which the current passes . The portion of the mixture adjacent to the core is converted into carborun- dum to a certain depth , beyond which a partial con- version only takes place , forming what is known as " fire ...
... carbon , through which the current passes . The portion of the mixture adjacent to the core is converted into carborun- dum to a certain depth , beyond which a partial con- version only takes place , forming what is known as " fire ...
Stran 452
... carbon printing , Mr. S. S. Richardson in the British Journal of Photography of January 24 recommends the new Pointolite " lamp . This lamp needs so little current that special wiring is not necessary , and it will allow of , say , six ...
... carbon printing , Mr. S. S. Richardson in the British Journal of Photography of January 24 recommends the new Pointolite " lamp . This lamp needs so little current that special wiring is not necessary , and it will allow of , say , six ...
Vsebina
Coe H S death 269 Cunningham Dr Brysson Sea Aggression 505 | 46 |
sence of Free Alkaline Bases 438 The Miscibility of Silica Series | 72 |
Barger Dr G appointed Professor of Chemistry in Edin edition | 84 |
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acid Agriculture ammonia apparatus appears applied Association basilar membrane British Carboniferous cent chemical chemistry chemists coal College colour Committee Council dealing death December Department described disease edition effect electric engineering epidemic experiments francs German give given glass Government H. A. L. Fisher important increase industry influenza Institute interest investigation J. J. Thomson Journal knowledge laboratory large number larvæ lecture London manufacture material ment metal methods Ministry of Munitions National Physical Laboratory natural nitric acid November observations obtained October October 17 optical organisation paper physical plants possible practical present prize problems production Prof published radio-active recent regard Royal Society scheme schools scientific South species steel supply teachers technical temperature theory tion tons tungsten United Kingdom University various workers