Nature, Količina 102Sir Norman Lockyer Macmillan Journals Limited, 1918 |
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Zadetki 1–3 od 79
Stran 67
... acid or ammonia , and has provided herself with one of the essential munitions of war . So absolutely necessary is the production of nitric acid that , in its absence , no army could hold to- gether for a week under modern conditions ...
... acid or ammonia , and has provided herself with one of the essential munitions of war . So absolutely necessary is the production of nitric acid that , in its absence , no army could hold to- gether for a week under modern conditions ...
Stran 240
... acid . The very slow action of concentrated sulphuric acid on steel is only accelerated to a moderate extent by dilution with several per cent . of water . For instance , 85 per cent . of acid has only a very slightly greater action ...
... acid . The very slow action of concentrated sulphuric acid on steel is only accelerated to a moderate extent by dilution with several per cent . of water . For instance , 85 per cent . of acid has only a very slightly greater action ...
Stran 454
... acid , and so exert considerable influence on the inversely related changes of the hydroxyl - number in any body of water . The carbonic acid is also affected by the carbonates and bicarbonates brought into sea - water from the land or ...
... acid , and so exert considerable influence on the inversely related changes of the hydroxyl - number in any body of water . The carbonic acid is also affected by the carbonates and bicarbonates brought into sea - water from the land or ...
Vsebina
Bellingham L Zeiss Abbe Refractometer 244 School 39 | 11 |
FACULTY OF ENGINEERING COURSES OF STUDY Day and Evening for Degrees of | 10 |
Berriman A E appointed Deputy Controller of the Brereton C Water Snails and Leeches in an Artificial | 93 |
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acid Adelie Land Agriculture algæ ammonia apparatus appears application appointed Association basilar membrane Bihar British British glass cent chemical Chemistry chemists coal College colour Committee Council course dealing death Department described disease edition effect electric Engineering epidemic experiments German give given glass Government gram-positive important increase industry influenza Institute interest investigation J. J. Thomson Journal laboratory larvæ lecture London manufacture material ment metal methods Museum National Physical Laboratory NATURE nitric acid November observations obtained October Office optical organisation paper Physical plants possible practical present Price problems production Prof recent regard Royal Society salary scheme schools scientific South South Wales species steel supply teachers technical temperature theory tion tons tungsten United Kingdom University UNIVERSITY OF LONDON utilisation various workers