Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 179
... amount of copper , which appears to activate it in some way . Hydrogenation of acetylene by means of an equal volume of hydrogen is very easily produced by nickel at and above ordinary temperatures , and the ethylene thus formed may ...
... amount of copper , which appears to activate it in some way . Hydrogenation of acetylene by means of an equal volume of hydrogen is very easily produced by nickel at and above ordinary temperatures , and the ethylene thus formed may ...
Strona 187
... amount , at a temperature that appeared to be slightly lower than the critical temperature 7.2 ° K characteristic of the transition to superconductivity , found for the same wire with direct current . In a series of repeated experiments ...
... amount , at a temperature that appeared to be slightly lower than the critical temperature 7.2 ° K characteristic of the transition to superconductivity , found for the same wire with direct current . In a series of repeated experiments ...
Strona 191
... amount of stock available . This resulted in a con- siderable reduction in the 10,000 loco motives which the L.M.S. originally had . He has read numerous Papers before the Institution of Civil Engineers , the Institu- tion of Mechanical ...
... amount of stock available . This resulted in a con- siderable reduction in the 10,000 loco motives which the L.M.S. originally had . He has read numerous Papers before the Institution of Civil Engineers , the Institu- tion of Mechanical ...
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