Science: v.1-v.219Moses King, 1968 |
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Page 816
... SPECIFIC ACTIVITY C14 COMPOUNDS We are now supplying carbon - 14 - la- belled compounds at over 90 % iso- topic abundance at no extra cost . The theoretical maximum specific activity for C14 is 62 mc / mA . Many of our compounds now ...
... SPECIFIC ACTIVITY C14 COMPOUNDS We are now supplying carbon - 14 - la- belled compounds at over 90 % iso- topic abundance at no extra cost . The theoretical maximum specific activity for C14 is 62 mc / mA . Many of our compounds now ...
Page 1188
... SPECIFIC ACTIVITY C14 COMPOUNDS We are now supplying carbon - 14 - la- belled compounds at over 90 % iso- topic abundance - at no extra cost . The theoretical maximum specific activity for C14 is 62 mc / mA . Many of our compounds now ...
... SPECIFIC ACTIVITY C14 COMPOUNDS We are now supplying carbon - 14 - la- belled compounds at over 90 % iso- topic abundance - at no extra cost . The theoretical maximum specific activity for C14 is 62 mc / mA . Many of our compounds now ...
Page 1239
... specific light- emitting activity ; quantum yields are 0.0093 and 0.0143 , respectively . Two new cofactor requirements have been separated from impure extracts : a macromolecule resembling a nucleoprotein , and a lipid - like substance ...
... specific light- emitting activity ; quantum yields are 0.0093 and 0.0143 , respectively . Two new cofactor requirements have been separated from impure extracts : a macromolecule resembling a nucleoprotein , and a lipid - like substance ...
Contents
Vol 159 No 3816 | 693 |
NEWS AND COMMENT | 715 |
Psychoanalysis Observed and The Americanization of the Unconscious | 728 |
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