Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 180
... liquid or gaseous condition with gaseous hydrogen in the presence of cer- tain finely - divided reduced metals , known as catalysts , under appropriate conditions of temperature and pressure . Among the metals in question , which act as ...
... liquid or gaseous condition with gaseous hydrogen in the presence of cer- tain finely - divided reduced metals , known as catalysts , under appropriate conditions of temperature and pressure . Among the metals in question , which act as ...
Strona 181
... liquid ( oil ) , and a solid ( catalyst ) . Vari- ous inventions have been recorded in order to increase such contact ; these may be classified broadly into ( 1 ) agitation systems , in which mechanical agitation is used to E. R. Bolton ...
... liquid ( oil ) , and a solid ( catalyst ) . Vari- ous inventions have been recorded in order to increase such contact ; these may be classified broadly into ( 1 ) agitation systems , in which mechanical agitation is used to E. R. Bolton ...
Strona 187
... liquid helium , nor to the effect of the magnetic field of the currents . Experiments with wires of different sizes made with currents of the same frequency shewed that the de- pression of the transition temperature was not a direct ...
... liquid helium , nor to the effect of the magnetic field of the currents . Experiments with wires of different sizes made with currents of the same frequency shewed that the de- pression of the transition temperature was not a direct ...
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