Chemical News and Journal of Industrial Science, Tomy 105-106Chemical news office., 1912 |
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Strona 3
... iron lines , and the figures left no doubt that they were traces of the calcium lines 3933.825 and 3968.625 and the aluminium lines 3944 160 and 3961-674 , Rowland's wave - lengths . This was confirmed by comparison with my photographed ...
... iron lines , and the figures left no doubt that they were traces of the calcium lines 3933.825 and 3968.625 and the aluminium lines 3944 160 and 3961-674 , Rowland's wave - lengths . This was confirmed by comparison with my photographed ...
Strona 8
... Iron and its Relation to Passivity and Corrosion . " By JOHN ALBERT NEWTON FRIEND . The author showed that : ( 1 ) The surface of iron is slightly porous , so that when the metal is immersed in certain solutions the latter are absorbed ...
... Iron and its Relation to Passivity and Corrosion . " By JOHN ALBERT NEWTON FRIEND . The author showed that : ( 1 ) The surface of iron is slightly porous , so that when the metal is immersed in certain solutions the latter are absorbed ...
Strona 25
... iron salts , which distinguishes these tannins , is obtainable . According to Trimble , the blue colour with iron salts given by oak tannins is due to a foreign substance and never to the pure tannin , but the analogy of the tannin of ...
... iron salts , which distinguishes these tannins , is obtainable . According to Trimble , the blue colour with iron salts given by oak tannins is due to a foreign substance and never to the pure tannin , but the analogy of the tannin of ...
Strona 29
... iron , copper , lead , and zinc , whose values may be said to be well fixed by occurrence and costs of production , we soon reach other metals , for which a new demand might well greatly reduce the cost . Among these are many whose ores ...
... iron , copper , lead , and zinc , whose values may be said to be well fixed by occurrence and costs of production , we soon reach other metals , for which a new demand might well greatly reduce the cost . Among these are many whose ores ...
Strona 30
... iron he used steel , a carbon alloy ; for a harder steel , or one capable of cutting iron more readily , he added tungsten , nickel , chromium , and other metals . For permanent magnets molybdenum was added ; for high electrical ...
... iron he used steel , a carbon alloy ; for a harder steel , or one capable of cutting iron more readily , he added tungsten , nickel , chromium , and other metals . For permanent magnets molybdenum was added ; for high electrical ...
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