Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 178
... direct combination with hydrogen , of a hydride such as NiH , an unstable hydride , capable of rapidly decom- posing into atomic hydrogen , and of thus producing , on the various molecules with which it comes into contact , direct hydro ...
... direct combination with hydrogen , of a hydride such as NiH , an unstable hydride , capable of rapidly decom- posing into atomic hydrogen , and of thus producing , on the various molecules with which it comes into contact , direct hydro ...
Strona 179
... direct hydrogenation of the aromatic nucleus and of the more complex nuclei of naphthalene , anthracene , etc. , a process in comparison with which the old methods are practically worthless . The universal method of hydro- genation by ...
... direct hydrogenation of the aromatic nucleus and of the more complex nuclei of naphthalene , anthracene , etc. , a process in comparison with which the old methods are practically worthless . The universal method of hydro- genation by ...
Strona 187
... direct current . In a series of repeated experiments with a coil of tin wire , drawn to a diameter of 0.3 mm . , it was found that with direct cur- rents the resistance of the coil began to decrease abruptly at 3.76 ° K and disappeared ...
... direct current . In a series of repeated experiments with a coil of tin wire , drawn to a diameter of 0.3 mm . , it was found that with direct cur- rents the resistance of the coil began to decrease abruptly at 3.76 ° K and disappeared ...
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