Chemical News and Journal of Industrial Science, Tomy 107-108Chemical news office., 1913 |
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Strona 16
... known elements these A SIMPLE EXPERIMENT THE LUMINOSITY OF ILLUSTRATING PHOSPHORUS . By DOUGLAS F. TWISS . THE following rather striking experiment was devised by me two or three years ago , and as it does not appear to have been ...
... known elements these A SIMPLE EXPERIMENT THE LUMINOSITY OF ILLUSTRATING PHOSPHORUS . By DOUGLAS F. TWISS . THE following rather striking experiment was devised by me two or three years ago , and as it does not appear to have been ...
Strona 25
... known from very early times . Its names are derived from its ready fusibility , which makes it useful in smelting operations , and from its singular property of becoming luminous when heated . In 1670 , Schwanhardt ( or Schwankhardt ) ...
... known from very early times . Its names are derived from its ready fusibility , which makes it useful in smelting operations , and from its singular property of becoming luminous when heated . In 1670 , Schwanhardt ( or Schwankhardt ) ...
Strona 37
... known to all chemists , and coming after such men as Davy , Gay- Lussac , Berzelius , and Thenard , I recognised that I ought not to count upon any such scientific good fortune as would lead me immediately to the discovery of fluorine ...
... known to all chemists , and coming after such men as Davy , Gay- Lussac , Berzelius , and Thenard , I recognised that I ought not to count upon any such scientific good fortune as would lead me immediately to the discovery of fluorine ...
Strona 43
... ( known as heat tests ) for determining the stability of nitroglycerin and nitroglycerin explosives depend either upon the time required for the production from nitroglycerin ( at tempera tures below 100 ° C. ) of oxides of nitrogen ...
... ( known as heat tests ) for determining the stability of nitroglycerin and nitroglycerin explosives depend either upon the time required for the production from nitroglycerin ( at tempera tures below 100 ° C. ) of oxides of nitrogen ...
Strona 44
... known as the " constantan - copper " thermocouple , one of the wires being composed of the alloy known as " constantan , " and the other being of ordinary copper . Such a thermocouple is very sensitive , the wires are cheap , and after ...
... known as the " constantan - copper " thermocouple , one of the wires being composed of the alloy known as " constantan , " and the other being of ordinary copper . Such a thermocouple is very sensitive , the wires are cheap , and after ...
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