Chemical News and Journal of Industrial Science, Tomy 127-128Chemical news office., 1923 |
Z wnętrza książki
Wyniki 1 - 5 z 27
Strona 92
... uranium and thorium and the thirty - four , as we now know , suc- cessive unstable products of their spontane- ous disintegration . Each of these possesses a definite radioactive character ; it is pro- duced from one and changes into ...
... uranium and thorium and the thirty - four , as we now know , suc- cessive unstable products of their spontane- ous disintegration . Each of these possesses a definite radioactive character ; it is pro- duced from one and changes into ...
Strona 93
... uranium and thorium . But there are not thirty - four vacant places in the Periodic Table to accommodate them . META - ELEMENTS . So far as I am aware , there is no antici- pation , prior to the systematic study of the chemistry of the ...
... uranium and thorium . But there are not thirty - four vacant places in the Periodic Table to accommodate them . META - ELEMENTS . So far as I am aware , there is no antici- pation , prior to the systematic study of the chemistry of the ...
Strona 94
... uranium itself was a case of successive isotopes . Boltwood , in 1908 , proved from his study of the relative activities of the successive products giving a - rays in minerals , that whereas all of them , except uranium , gave off only ...
... uranium itself was a case of successive isotopes . Boltwood , in 1908 , proved from his study of the relative activities of the successive products giving a - rays in minerals , that whereas all of them , except uranium , gave off only ...
Strona 95
... uranium X , and separated this constituent from 50 kilo- grams of uranium nitrate repeatedly in the attempt . I was looking for a growth of a- rays concomitantly with the decay of the B - rays of the uranium X. If the product had been ...
... uranium X , and separated this constituent from 50 kilo- grams of uranium nitrate repeatedly in the attempt . I was looking for a growth of a- rays concomitantly with the decay of the B - rays of the uranium X. If the product had been ...
Strona 103
... uranium X , for which it had long been used -namely , a simple adsorption . I was sur- prised to find it absolutely different . removal of the barium from the mesothor- ium , as from radium , could only be accom- plished by the ...
... uranium X , for which it had long been used -namely , a simple adsorption . I was sur- prised to find it absolutely different . removal of the barium from the mesothor- ium , as from radium , could only be accom- plished by the ...
Inne wydania - Wyświetl wszystko
Kluczowe wyrazy i wyrażenia
acid action addition alcohol amount ANALYTICAL BALANCE appears application arsenic Association atom British carbon carbon tetrachloride carried cent charge chemical Chemistry chloride College colour complete compounds concentrate containing course crystals derivatives determined dyes effect electric electrons elements energy examination exist experiments fact frequency further give given glass heat hydrogen important increase industry Institute interest known laboratory lead less light lines London manufacture mass material matter means ment mercury metal method molecule nature nucleus observed obtained organic oxide period phase physical position possible practical precipitated prepared present properties Published pure quantum radiation reaction regarded relation Research rubber salts separated shown sodium solution spectrum structure sulphuric temperature term theory tion Trade United various weight