Chemical News and Journal of Industrial Science, Tomy 139-140Chemical news office., 1929 |
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Strona 71
... give it of our best , rather than to get from it that which will be to our material advantage , why should not our Science also become consciously and deliberately African in its outlook , its ideals , and the tasks to which it applies ...
... give it of our best , rather than to get from it that which will be to our material advantage , why should not our Science also become consciously and deliberately African in its outlook , its ideals , and the tasks to which it applies ...
Strona 120
... give the sparkling condition of fresh water , also by compressed air , generally using an electric driven blower , and continuous sterilisation with chlorine 66 gas by the Chloronome apparatus using about one part of chlorine per two ...
... give the sparkling condition of fresh water , also by compressed air , generally using an electric driven blower , and continuous sterilisation with chlorine 66 gas by the Chloronome apparatus using about one part of chlorine per two ...
Strona 114
... give a complete separation . In such cases , rubbing the wet sample with a rubber policeman hastened the operation . Later rubber balls with lead centres were put into the shaking bottles to assist in cleaning col- loid coatings from ...
... give a complete separation . In such cases , rubbing the wet sample with a rubber policeman hastened the operation . Later rubber balls with lead centres were put into the shaking bottles to assist in cleaning col- loid coatings from ...
Spis treści
THE CHEMICAL NEWS | 18 |
Professor Leonard Hill on Right | 24 |
By DR W TOMBROCK | 129 |
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