Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3767Chemical news office., 1932 |
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Strona 419
... ment of Hittorf led to the conception of transport numbers , which has plaved so important a part in the theory of solutions . Again , in 1834 , Faraday pointed out that if " we adopt the atomic theory or phrase- ology then the atoms of ...
... ment of Hittorf led to the conception of transport numbers , which has plaved so important a part in the theory of solutions . Again , in 1834 , Faraday pointed out that if " we adopt the atomic theory or phrase- ology then the atoms of ...
Strona 420
... ment extends from 0.185μ in the ultra - violet to 4.0μ in the infra - red , and the relative aperture of the instrument varies from F / 4 for wavelength 0.185μ to F / 5.8 for 4.0μ . Its dispersion is approximately equiva- lent to that ...
... ment extends from 0.185μ in the ultra - violet to 4.0μ in the infra - red , and the relative aperture of the instrument varies from F / 4 for wavelength 0.185μ to F / 5.8 for 4.0μ . Its dispersion is approximately equiva- lent to that ...
Strona 423
... ment of colour in a selenium ruby glass was often a matter of trial and error , and an endeavour had been made to ascertain the cause of the colour so as to enable the manu- facture of such glasses to be placed upon a sounder basis ...
... ment of colour in a selenium ruby glass was often a matter of trial and error , and an endeavour had been made to ascertain the cause of the colour so as to enable the manu- facture of such glasses to be placed upon a sounder basis ...
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acid actual aluminium amount associated atomic attraction battery bodies carried caused cell changes charge chemical action chemical affinity chemistry chloride colour compared conductivity connected contained Davy decompose decomposition dependent described detect Determination direct effect electricity electro-chemical electrolysis equal equivalent evolved examination experimental experiments Faraday Faraday's floor follows force fused gave given glasses greater heat Hence hydrogen ideas important inches intensity interest June Laboratory later lead liberated London machine magnetic materials matter means measure Member ment metals methods nature observed obtained Office particles passes Patent platinum points poles positive present Price problem production Professor proved published quantity quantity of electricity reaction relation researches resins result Royal Institution ruby salts scientific selenium September showed shown solution steel substances sulphuric acid teeth temperature theory tion Trade turns unit varied various voltaic volume weight wires wrote zinc