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Page 1129
Most biological activity was found in the pellet , indicating that the sedimenting component is the virus . ... The following experiment indicated that the contamination of virus with presumed upper component could be reduced by ...
Most biological activity was found in the pellet , indicating that the sedimenting component is the virus . ... The following experiment indicated that the contamination of virus with presumed upper component could be reduced by ...
Page 1132
Thus the evidence indicates that the day - caught larvae are in some way a measure of the mortality of the population ... When the years of 1950–1957 are ranked by survival of larvae as indicated by these findings the order is in good ...
Thus the evidence indicates that the day - caught larvae are in some way a measure of the mortality of the population ... When the years of 1950–1957 are ranked by survival of larvae as indicated by these findings the order is in good ...
Page 1448
Ordinate is percentage of all coal mine accidents of the indicated severity occurring in the indicated month . The circles in the bottom curve are for minor accidents with less than 5 fatalities per accident for the period 1941–1946 .
Ordinate is percentage of all coal mine accidents of the indicated severity occurring in the indicated month . The circles in the bottom curve are for minor accidents with less than 5 fatalities per accident for the period 1941–1946 .
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Contents
LETTERS | 951 |
NEWS AND COMMENT | 979 |
Persistence in Bean Plants Grown in Continuous | 1240 |
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acid activity addition American amount analysis animals appears applied Association cells Center changes chemical complete concentration containing continuous Department designed determined direct effect electron engineering experiments factor field fraction given human Illus important increase indicated Institute interest intern laboratory less light London material means measured meeting ment method minutes Model nature normal Notes observed obtained occur operation organic percent period Physics position possible preparation present Press pressure problems produced range reaction recent recorded References relative reported response samples Science scientific scientists separate shown similar solution specific structure studies suggested Table temperature tion United Univ University virus Washington weight York