Science and Life: Aberdeen AddressesThis work is a collection of addresses and articles written at Aberdeen University regarding the interaction between science and society. |
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Página 18
The primary parent - elements , uranium and thorium , each stand , as it were , at the head of a long genealogical table , comprising some fourteen members in the first , and twelve members in the second case , before the processes come ...
The primary parent - elements , uranium and thorium , each stand , as it were , at the head of a long genealogical table , comprising some fourteen members in the first , and twelve members in the second case , before the processes come ...
Página 19
The most slowly changing members , on the other hand , are the parent - elements , uranium and thorium , which were well studied by chemists for a century , so feeble is their radioactivity ...
The most slowly changing members , on the other hand , are the parent - elements , uranium and thorium , which were well studied by chemists for a century , so feeble is their radioactivity ...
Página 20
Energy of the order of a million times that evolved in the combustion of the same weight of coal , instead of being , as in the case of radium , evolved in the average period of 2500 years , is in the case of uranium and thorium spread ...
Energy of the order of a million times that evolved in the combustion of the same weight of coal , instead of being , as in the case of radium , evolved in the average period of 2500 years , is in the case of uranium and thorium spread ...
Página 21
... on the earth amongst the most complex sorts of atoms known to the chemist . All heavy elements , presumably , if they could be transmuted artificially into lighter ones , would evolve E energy on the same scale as uranium , thorium and.
... on the earth amongst the most complex sorts of atoms known to the chemist . All heavy elements , presumably , if they could be transmuted artificially into lighter ones , would evolve E energy on the same scale as uranium , thorium and.
Página 22
energy on the same scale as uranium , thorium and radium . Such transmutations are still beyond the power of man to effect , but he would be a bold prophet who would declare for how long a time this may remain true .
energy on the same scale as uranium , thorium and radium . Such transmutations are still beyond the power of man to effect , but he would be a bold prophet who would declare for how long a time this may remain true .
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a-particle actinium active ancient appear applied Arts atomic weight attempt become bismuth branch Carnegie cent century chemical chemical character chemistry complete conception concerned continuous course definite departments direct discovery elements energy existence external fact Faculty follow fundamental future give given hand hitherto human important inanimate individual interest isotopes knowledge known labour lead learning least less living mass material matter means mechanism methods million mind minerals nature occur once original past period philosophy physical position possible practical present problem processes progress pure quantity question radioactive radium regard remains result scientific separated spirit subjects successive teaching thorium thought tion to-day Trust truth ultimate universities uranium wealth whole
Información bibliográfica
| Título | Science and Life: Aberdeen Addresses |
| Autor | Frederick Soddy |
| Editor | J. Murray, 1920 |
| N.º de páginas | 229 páginas |
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