Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3752Chemical news office., 1932 |
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Strona 169
... radioactive decay , which will give weight to one or the other assumption . In radioactive decay , however , we find that alpha - particles or pie , are alone responsible for the changes in the isotopic weights . If one now assumes that ...
... radioactive decay , which will give weight to one or the other assumption . In radioactive decay , however , we find that alpha - particles or pie , are alone responsible for the changes in the isotopic weights . If one now assumes that ...
Strona 171
... radioactive elements , there are no isotopes having a mass of 209 , 213 , 217 , 221 , 225 , 229 , 233 and 237- for this reason one may say that pro- ton numbers of the series 4n + 1 are almost forbidden , except between 9 and 137 . The ...
... radioactive elements , there are no isotopes having a mass of 209 , 213 , 217 , 221 , 225 , 229 , 233 and 237- for this reason one may say that pro- ton numbers of the series 4n + 1 are almost forbidden , except between 9 and 137 . The ...
Strona 175
... radioactivity . 2 , Radioactive transformation . 3 , Struc- ture of atoms and atomic numbers . 4 , Transmutability of elements . 5 , Isotopy . 6 , Making of radioactive preparations . 7 , Use of radioactive substances . 8 , Physical and ...
... radioactivity . 2 , Radioactive transformation . 3 , Struc- ture of atoms and atomic numbers . 4 , Transmutability of elements . 5 , Isotopy . 6 , Making of radioactive preparations . 7 , Use of radioactive substances . 8 , Physical and ...
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acid action active actually added addition alcohol alpha-particles aluminium Annual applied associated atomic number authors carbon dioxide cell chart Chemical CHEMISTRY College Colour Communicated comparing complex conclusion construction Creatine described Drier Dry in hrs effect electric electrons elements ENGINEERS enzyme essential ester evidence exists experience experimental fact fermentation formed given Heated hrs held hexose indicates industries influence Institute INSTITUTE OF CHEMISTRY iodine iron isotopes Joint meeting juice kind known LABORATORY lead less living London MARCH materials mechanism MICHIGAN muscle neutrons nuclear nucleus observed obtained occur Office oils Organic oxidation Patents period phosphate plants possible preparations present problems production proton numbers published pyruvic acid radioactive reaction require resins Section shell shown similar Society sodium stage substances success sulphonated sulphur supply surface temperature tension tion University valency values varnishes vessels yeast