Chemical News and Journal of Industrial Science, Tomy 137-138Chemical news office., 1928 |
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Strona 164
... recent origin . Quantitative chemistry is little more than a century old . And the more modern and more vigorous of the chemical industries depend on very recent chemical research , as for , example , those which deal with dyes ...
... recent origin . Quantitative chemistry is little more than a century old . And the more modern and more vigorous of the chemical industries depend on very recent chemical research , as for , example , those which deal with dyes ...
Strona 270
... recent questions set by the various examining boards , been able to pro- duce a set of papers invaluable for students taking any Higher Certificate Chemistry Ex- amination , or London University Inter- mediate . Selected questions from ...
... recent questions set by the various examining boards , been able to pro- duce a set of papers invaluable for students taking any Higher Certificate Chemistry Ex- amination , or London University Inter- mediate . Selected questions from ...
Strona 45
... recent fatality , and Dr. Matley expressed his in- debtedness to the Director for special per- mission to visit it , and also to Dr. Tave ne for acting as guide and for explaining his methods of vulcanological research . The crater and ...
... recent fatality , and Dr. Matley expressed his in- debtedness to the Director for special per- mission to visit it , and also to Dr. Tave ne for acting as guide and for explaining his methods of vulcanological research . The crater and ...
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acid action activation amount appears application Association atoms British carbon cent Chemical Chemistry coal Company complete containing continuous copper crystal determined direct effect electric electrons energy Engineering exist experiments fact field fuel further give given heat HOUSE hydrogen important increase industry Institute interest known less light Limited London manufacture Marks material matter means measured meeting ment metal method million Mines molecule nature observed obtained Office oxide oxygen particles Patents period plant positive possible practice prepared present pressure production Published radiation rays reaction recent referred Royal salt Society solution stars substances surface temperature theory tion tons Trade United University various volume waves whole X-ray