Annual Report of the Board of Regents of the Smithsonian Institution |
З цієї книги
Результати 1-3 із 50
Сторінка 180
As a result of these experiments , the transmission of speech from Washington , D
. C . , to Paris and Honolulu by wireless telephone occurred during the year 1915
. In these experiments the vacuum tube was used as a radio frequency ...
As a result of these experiments , the transmission of speech from Washington , D
. C . , to Paris and Honolulu by wireless telephone occurred during the year 1915
. In these experiments the vacuum tube was used as a radio frequency ...
Сторінка 289
When it became evident from the earlier observations and experiments that
chilling played so essential a part in the behavior of our trees and shrubs it was
clear that additional experiments ought to be conducted in which actively growing
...
When it became evident from the earlier observations and experiments that
chilling played so essential a part in the behavior of our trees and shrubs it was
clear that additional experiments ought to be conducted in which actively growing
...
Сторінка 541
Gledisch having repeated the experiments with copper , the results were
negative . On the other hand , Ramsay carried out experiments without the use of
emanation and they gave no trace of lithium . Continued researches ought to
settle the ...
Gledisch having repeated the experiments with copper , the results were
negative . On the other hand , Ramsay carried out experiments without the use of
emanation and they gave no trace of lithium . Continued researches ought to
settle the ...
Відгуки відвідувачів - Написати рецензію
Не знайдено жодних рецензій.
Зміст
General subjects of the annual report | 1 |
National Museum | 13 |
Necrology | 21 |
29 інших розділів не відображаються
Інші видання - Показати все
Загальні терміни та фрази
addition agriculture airplane American amount appears areas atom become birds body building Bureau carried chilling clear close collection color complete considerable considered construction continued determined direct early eclipse effect evidence experiments fact feet field forest geological give given glass Government ground growth important increase Indians insects Institution interest known land leaves less light lines material means measures method miles months Museum natural necessary needed object observed obtained original period photographs plants plates possible practically present probably problems production pupa range reason received region relation remains Report River scientific shown Smithsonian Report species spirals stars supply surface survey taken temperature theory tion trees tube United various wireless
Бібліографічна інформація
| Назва | Annual Report of the Board of Regents of the Smithsonian Institution Mis. doc. Publication (Smithsonian Institution) |
| Автор | Smithsonian Institution. Board of Regents |
| Видавець | The Institution, 1921 |
| Оригінал із | Гарвардський університет |
| Оцифровано | 11 бер. 2008 |
| Експортувати бібліографічний опис | BiBTeX EndNote RefMan |