Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 15
... Matter transforms into radiation and disperses throughout the universe . Will radiation sometime or somewhere change back into matter ? This is the mystery of mysteries - it is indeed the question of the death of the world . We have ...
... Matter transforms into radiation and disperses throughout the universe . Will radiation sometime or somewhere change back into matter ? This is the mystery of mysteries - it is indeed the question of the death of the world . We have ...
Сторінка 68
... matter . Be- cause of its importance in our considerations the organic matter or humus was determined additionally in three ways : ( 1 ) as loss on ignition ; ( 2 ) as alkali - soluble humus - the " matière noire " or " black matter ...
... matter . Be- cause of its importance in our considerations the organic matter or humus was determined additionally in three ways : ( 1 ) as loss on ignition ; ( 2 ) as alkali - soluble humus - the " matière noire " or " black matter ...
Сторінка 91
... matter . But when organic matter is present , which acts as a protective colloid , they may remain a long time as sols and thus be carried for great distances by the percolating water . These facts have been amply corroborated by ...
... matter . But when organic matter is present , which acts as a protective colloid , they may remain a long time as sols and thus be carried for great distances by the percolating water . These facts have been amply corroborated by ...
Зміст
facing 131 | 4 |
Ten Unsolved Mysteries of the Stellar Universe By HARLOU | 13 |
THE AMERICAN PHILOSOPHICAL SOCIETY HELD AT PHILADELPHIA | 17 |
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