Chemical News and Journal of Physical Science, Tom 121Chemical news office., 1921 |
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Strona 9
... deposit . A method , shown by M. Tassilly ( Revue de Métallurgie , 1914 , Mémoires , p . 670 ) , based upon the previous attack of the metal by hydrochloric acid , has given commercial results . Having come to the conclusion that the ...
... deposit . A method , shown by M. Tassilly ( Revue de Métallurgie , 1914 , Mémoires , p . 670 ) , based upon the previous attack of the metal by hydrochloric acid , has given commercial results . Having come to the conclusion that the ...
Strona 10
... deposit was simply due to an imperfect surface on the metal , the authors tried the very simple mechanical means and very effective method of producing this im- perfection , that of spraying the surface with sand . The first results ...
... deposit was simply due to an imperfect surface on the metal , the authors tried the very simple mechanical means and very effective method of producing this im- perfection , that of spraying the surface with sand . The first results ...
Strona 11
... deposits ; price 2s . 6d . Copies of both map and memoir may be obtained through any bookseller from the Director General , Ordnance Survey Office , Southampton . as long as present conditions last , not a serious rival , | each ...
... deposits ; price 2s . 6d . Copies of both map and memoir may be obtained through any bookseller from the Director General , Ordnance Survey Office , Southampton . as long as present conditions last , not a serious rival , | each ...
Strona 16
... deposits , exceedingly fine mica and sand are obtained . Again , the clay particles themselves vary greatly in fineness , and the very fine particles can be separated from the coarser . This exceedingly fine clay is useful for many ...
... deposits , exceedingly fine mica and sand are obtained . Again , the clay particles themselves vary greatly in fineness , and the very fine particles can be separated from the coarser . This exceedingly fine clay is useful for many ...
Strona 18
... deposits could be very well utilised if they were amenable to that sort of treatment . In the chemical industry of nearly every country there were certain by- products and factory wastes which were to some extent of the colloidal nature ...
... deposits could be very well utilised if they were amenable to that sort of treatment . In the chemical industry of nearly every country there were certain by- products and factory wastes which were to some extent of the colloidal nature ...
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