Science: v.1-v.219Moses King, 1967 |
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Стр. 1043
... isotopes of a single element . The isotopic ( solar - system ) abundances are very well known ( to within about 0.01 percent for terrestrial material and , in several cases , for meteorites ) ( 15 ) , and the only limitation to the ...
... isotopes of a single element . The isotopic ( solar - system ) abundances are very well known ( to within about 0.01 percent for terrestrial material and , in several cases , for meteorites ) ( 15 ) , and the only limitation to the ...
Стр. 1045
... isotopic abundance . The cir- cles represent our experimental results . Results for all isotopes of a given element are plotted relative to each other , with one isotopic N.o = 1.0 for each element ( 20 , 21 ) . No deviation from the ...
... isotopic abundance . The cir- cles represent our experimental results . Results for all isotopes of a given element are plotted relative to each other , with one isotopic N.o = 1.0 for each element ( 20 , 21 ) . No deviation from the ...
Стр. 1046
... isotope produced solely by the s - process and corrections of up to 50 percent must be made for r - process contributions to the abun- dance of the other isotopes . A second , more stringent test was provided by the isotopes of samarium ...
... isotope produced solely by the s - process and corrections of up to 50 percent must be made for r - process contributions to the abun- dance of the other isotopes . A second , more stringent test was provided by the isotopes of samarium ...
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