Chemical News and Journal of Industrial Science, Tomy 131-132Chemical news office., 1925 |
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Strona 7
... mine coal from an adjoining pit was used , having the average analysis of fixed carbon ( dry basis ) 56.0 % , volatile matter ( dry basis ) 33.0 % , and ash ( dry basis ) 11.0 % with 3.5 % moisture , 1.5 % sulphur , and a heating value ...
... mine coal from an adjoining pit was used , having the average analysis of fixed carbon ( dry basis ) 56.0 % , volatile matter ( dry basis ) 33.0 % , and ash ( dry basis ) 11.0 % with 3.5 % moisture , 1.5 % sulphur , and a heating value ...
Strona 10
... Mines the following article which has been prepared by Mr. W. B. Timm , of the Mines Branch : - 66 The strong position of lead and zinc in the world market and the possibility of this continuing for some years , due to the fact that ...
... Mines the following article which has been prepared by Mr. W. B. Timm , of the Mines Branch : - 66 The strong position of lead and zinc in the world market and the possibility of this continuing for some years , due to the fact that ...
Strona 40
... mine is being driven under the Chevet Tunnel and it was for reasons of rafety that the L.M.S. engineers decided to dig away the hil .. At the same time the opportunity was taken to widen the per- manent way for a distance of four miles ...
... mine is being driven under the Chevet Tunnel and it was for reasons of rafety that the L.M.S. engineers decided to dig away the hil .. At the same time the opportunity was taken to widen the per- manent way for a distance of four miles ...
Strona 55
... mines of Great Britain for profits and wages , practically all swallowed up by the latter , and a large part of even this inadequate revenue is simply dependant on the un- scientific methods of the coal user , who , in consequence , is ...
... mines of Great Britain for profits and wages , practically all swallowed up by the latter , and a large part of even this inadequate revenue is simply dependant on the un- scientific methods of the coal user , who , in consequence , is ...
Strona 57
... subject of so much discussion . CANADA'S ASBESTOS INDUSTRY . The High Commissioner for Canada in London has received from the Dominion Department of Mines , information on asbestos , which has JULY 24 , 1925 . 57 THE CHEMICAL NEWS .
... subject of so much discussion . CANADA'S ASBESTOS INDUSTRY . The High Commissioner for Canada in London has received from the Dominion Department of Mines , information on asbestos , which has JULY 24 , 1925 . 57 THE CHEMICAL NEWS .
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acid action addition amount appears application Association atoms becomes bismuth British carbon cent Chemical Chemistry coal complete compounds containing copper crystals determined direct effect electric electrode elements ENGINEERS experiments fact give given glass heat hydrogen important increase indicated industry Institute interest iron Laboratory lead less light lines liquid London manufacture Marks material matter means measured meeting Merton House metal method mineral Mines mixture nature Notes obtained Office oxide Patents physical plant possible Post Free precipitate prepared present production properties Published pure quantity reaction reference Research Royal Salisbury Square salts scientific shown Society sodium solution standard structure substance sulphur surface Table temperature theory tion tons Trade United various volume zinc