Nature, Količina 104Sir Norman Lockyer Macmillan Journals Limited, 1919 |
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Zadetki 1–3 od 79
Stran 233
... experiments of the discharges in air and through vacuum tubes which were written before any special investigations of the theory of the conductivity were undertaken . It would clearly have been extremely difficult to obtain from these ...
... experiments of the discharges in air and through vacuum tubes which were written before any special investigations of the theory of the conductivity were undertaken . It would clearly have been extremely difficult to obtain from these ...
Stran 423
... experiments on the improvement of pasture took the form of temporarily enclosing an area , to which different methods of treatment were applied and of determining the results in terms of hay . Supplementary to such quantitative ...
... experiments on the improvement of pasture took the form of temporarily enclosing an area , to which different methods of treatment were applied and of determining the results in terms of hay . Supplementary to such quantitative ...
Stran 679
... experiments to ry the effect of high pressures and temperatures on Carbon , compounds of carbon , and some other sub- stances . The apparatus consisted of an 80 - ton press , under hich suitable containers were placed , and a turbo ...
... experiments to ry the effect of high pressures and temperatures on Carbon , compounds of carbon , and some other sub- stances . The apparatus consisted of an 80 - ton press , under hich suitable containers were placed , and a turbo ...
Vsebina
Crabtree J H British Ferns and how to Identify | xvi |
Crawford H S The Mural Paintings and Inscriptions | xxxiii |
The Direct Determination Kew Observatory 120 The Magnetic Storm of August | xxxv |
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