Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3751Chemical news office., 1932 |
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Strona 150
... varied either during the process of benzyl- ation or by subsequent treatments . In this way , a range of materials suitable for various technical applications may be pre- pared . Various degrees of benzylation may be attained , but the ...
... varied either during the process of benzyl- ation or by subsequent treatments . In this way , a range of materials suitable for various technical applications may be pre- pared . Various degrees of benzylation may be attained , but the ...
Strona 153
... varied from 550 tons per square mile at one point in Lan- cashire to just over 72 tons at Western Park , Leicester . The average deposit re- corded is between 200 and 300 tons per square mile . At about two - thirds of the observing ...
... varied from 550 tons per square mile at one point in Lan- cashire to just over 72 tons at Western Park , Leicester . The average deposit re- corded is between 200 and 300 tons per square mile . At about two - thirds of the observing ...
Strona 155
... varied types of plant crops and upon the proper breeding and care of animal stock . Actually the present volume is Part II of her Economic Biology , Part I being concerned with harmful and useful animals . A little reflection will con ...
... varied types of plant crops and upon the proper breeding and care of animal stock . Actually the present volume is Part II of her Economic Biology , Part I being concerned with harmful and useful animals . A little reflection will con ...
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