Nature, Volume 99Sir Norman Lockyer Macmillan Journals Limited, 1917 |
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Página 276
... United States have been analysed and tested with the view of increasing efficiency in their utilisation . Investigations have been undertaken with the view of increasing the efficiency and preventing waste in the metal - mining and ...
... United States have been analysed and tested with the view of increasing efficiency in their utilisation . Investigations have been undertaken with the view of increasing the efficiency and preventing waste in the metal - mining and ...
Página 429
... United States , and an expert from Kew , Mr. W. Purdom , acts as botanist , and is chief of one of the six divisions into which the service is organised . In this article an ambitious programme of afforestation , education , propaganda ...
... United States , and an expert from Kew , Mr. W. Purdom , acts as botanist , and is chief of one of the six divisions into which the service is organised . In this article an ambitious programme of afforestation , education , propaganda ...
Página 465
... United States is the large amount of money devoted to it . There are a number of manufacturing porations the annual expenditure of which on research ranges from 10,000l . to 100,000l . , and there is a tendency for each . large ...
... United States is the large amount of money devoted to it . There are a number of manufacturing porations the annual expenditure of which on research ranges from 10,000l . to 100,000l . , and there is a tendency for each . large ...
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