Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
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Strona 92
... mineral and no artificial substance for in- stance that can combine the qualities which give to the mineral mica its position of im- portance in the Arts - its fissility in thin sheets , its transparency to light and opacity to heat ...
... mineral and no artificial substance for in- stance that can combine the qualities which give to the mineral mica its position of im- portance in the Arts - its fissility in thin sheets , its transparency to light and opacity to heat ...
Strona 333
... Mineral from Scaret Hill , Co. Antrim ( with chemical analysis by Mr. M. H. HEY ) . By DR . C. E. TILLEY . This new monoclinic mineral , with com- position 6CaO.4SiO2.3CO2 , occurs in the contact zone between the chalk and ter- tiary ...
... Mineral from Scaret Hill , Co. Antrim ( with chemical analysis by Mr. M. H. HEY ) . By DR . C. E. TILLEY . This new monoclinic mineral , with com- position 6CaO.4SiO2.3CO2 , occurs in the contact zone between the chalk and ter- tiary ...
Strona 50
... mineral in this paper contains both these forms of Pb . The two R.V.'s 17.42 and 19.81 were dis- covered many years ago , and they were both proved to be exactly true by the Law of Heat of Formation . This matter was demon- strated in ...
... mineral in this paper contains both these forms of Pb . The two R.V.'s 17.42 and 19.81 were dis- covered many years ago , and they were both proved to be exactly true by the Law of Heat of Formation . This matter was demon- strated in ...
Spis treści
THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
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