Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
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Strona 8
... electric drying oven at 150 ° , and then melted in a current of pure hydrogen according to the method elaborated by T. W. Richards ( Journ . Am . Chem . Soc . , 1905 , xxvii . , 472 ) . Pure hydrogen for this purpose was obtained by the ...
... electric drying oven at 150 ° , and then melted in a current of pure hydrogen according to the method elaborated by T. W. Richards ( Journ . Am . Chem . Soc . , 1905 , xxvii . , 472 ) . Pure hydrogen for this purpose was obtained by the ...
Strona 10
... electric lamps . The author has divided the processes of manufacture into three classes : - ( 1 ) Substitution , ( 2 ) by the help of an organic paste , and ( 3 ) by the use of colloidal tungstic acid . With regard to the first class ...
... electric lamps . The author has divided the processes of manufacture into three classes : - ( 1 ) Substitution , ( 2 ) by the help of an organic paste , and ( 3 ) by the use of colloidal tungstic acid . With regard to the first class ...
Strona 11
... Electrical plant , chemicals , oils and fats , and , indeed , all other manufactures , share in the increased activity . The advance indicated by these figures is encouraging , but it is still more valuable as an index to the rapidity ...
... Electrical plant , chemicals , oils and fats , and , indeed , all other manufactures , share in the increased activity . The advance indicated by these figures is encouraging , but it is still more valuable as an index to the rapidity ...
Strona 12
... Electrical and ALL purposes . Contractors to His Majesty's Government . - BOOKS BOUGHT Chemical and other Scientific , Natural History , Agricultural , Gardening , & c . JOHN WHELDON & CO . , 38 , Great Queen Street , London , W.C. 2 ...
... Electrical and ALL purposes . Contractors to His Majesty's Government . - BOOKS BOUGHT Chemical and other Scientific , Natural History , Agricultural , Gardening , & c . JOHN WHELDON & CO . , 38 , Great Queen Street , London , W.C. 2 ...
Strona 13
... electric discharges in the atmosphere . A total amount of 0.62841 pounds of nitrogen as nitrate fell , the greatest amount , 0.3 parts per million , or o'06806 pounds per acre , occurring on December 2 and on January 23 , at which times ...
... electric discharges in the atmosphere . A total amount of 0.62841 pounds of nitrogen as nitrate fell , the greatest amount , 0.3 parts per million , or o'06806 pounds per acre , occurring on December 2 and on January 23 , at which times ...
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