Nature, Količina 54Sir Norman Lockyer Macmillan Journals Limited, 1896 |
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Stran 257
... alloys of gold and of the base metals , which have hitherto rarely been met with in metallurgical industry . The base metals associated with the gold in these cases are usually the very ordinary ones lead and zinc ; but their presence ...
... alloys of gold and of the base metals , which have hitherto rarely been met with in metallurgical industry . The base metals associated with the gold in these cases are usually the very ordinary ones lead and zinc ; but their presence ...
Stran 258
... alloys shows that the freezing points are very different when silver is present in the alloy and when it is absent from it . ( 3 ) This fact naturally leads to the belief that if the base metal present does not exceed 30 per cent ...
... alloys shows that the freezing points are very different when silver is present in the alloy and when it is absent from it . ( 3 ) This fact naturally leads to the belief that if the base metal present does not exceed 30 per cent ...
Stran 263
... alloys containing silver and copper does not indicate the existence of any chemical compounds of these metals ; but the eutectic alloy has exactly the composition Ag Cu Lead copper alloys have a freezing - point curve characteristic of ...
... alloys containing silver and copper does not indicate the existence of any chemical compounds of these metals ; but the eutectic alloy has exactly the composition Ag Cu Lead copper alloys have a freezing - point curve characteristic of ...
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Academy acid alloys alternating current aluminium Amphipoda animals apparatus appears astronomical birds British carbon cells character chemical chemistry chromosphere College colour Committee connection contains Council Crustacea described effect electric engineering exhibited expedition experiments fact Geological give given illustrated important increase Institution interesting investigation J. J. Thomson Joseph Lister June kathode laboratory large number larvæ light London Lord Kelvin magnetic mathematical matter means measures ment metal meteorological method metric system mineral Museum Natural History Nicaragua Canal object observations Observatory obtained paper phosphorescent photographs physical plate present President produced Prof Professor published recent referred remarkable researches Röntgen rays Royal Society schools scientific South South Africa species specimens stars surface temperature theory tion tourmaline tube University University of Glasgow variation velocity volume