Science: v.1-v.219Moses King, 1967 |
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Стр. 1105
... contain too little uranium to give measurable ages . The high density of a - recoil tracks re- moves this limitation and permits , in principle , age measurements of any man - made sample containing a typical uranium concentration of ...
... contain too little uranium to give measurable ages . The high density of a - recoil tracks re- moves this limitation and permits , in principle , age measurements of any man - made sample containing a typical uranium concentration of ...
Стр. 1109
... containing two to eight times the control calcium ( 1.8 mM ) concentration . In contrast , when samples were removed at various times after the peak of the inotropic response a marked increase in the per- cent of phosphorylase a ...
... containing two to eight times the control calcium ( 1.8 mM ) concentration . In contrast , when samples were removed at various times after the peak of the inotropic response a marked increase in the per- cent of phosphorylase a ...
Стр. 1564
... containing 2 mg of brain RNA that was previously boiled , or ( iii ) 1⁄2 ml of medium plus 1⁄2 ml of sterile 0.9 percent saline containing 1 × 10− ¢ mole of each of the four major 2 ' ( 3 ' ) - ribonucleotides ( Calbiochem ) . The RNA ...
... containing 2 mg of brain RNA that was previously boiled , or ( iii ) 1⁄2 ml of medium plus 1⁄2 ml of sterile 0.9 percent saline containing 1 × 10− ¢ mole of each of the four major 2 ' ( 3 ' ) - ribonucleotides ( Calbiochem ) . The RNA ...
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Vol 155 No 3765 | 951 |
International Biological Program | 957 |
E M Williams | 974 |
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