ScienceJohn Michels (Journalist) 1952 |
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Page 145
... applied topically to the coxae , using 15 μl of ethanol , up to 15 ppm DDT may be found in the blood at prostration . Allowing roaches to run until prostrate in a jar containing a deposit of 50 mg DDT / 1000 cm2 yields similar results ...
... applied topically to the coxae , using 15 μl of ethanol , up to 15 ppm DDT may be found in the blood at prostration . Allowing roaches to run until prostrate in a jar containing a deposit of 50 mg DDT / 1000 cm2 yields similar results ...
Page 167
... applied in a 6 - in . band of cotton gauze around dormant branches of bearing apple trees ( Malus domestica var . R. I. Greening ) in midwinter ( February ) was detected 24 hr later in both the phloem and the xylem 18 in . above the ...
... applied in a 6 - in . band of cotton gauze around dormant branches of bearing apple trees ( Malus domestica var . R. I. Greening ) in midwinter ( February ) was detected 24 hr later in both the phloem and the xylem 18 in . above the ...
Page 503
... applied to tinfoil were also measured after they had been ap- plied in a similar manner to glass . The period of ed w evaporation was 24 hr , and the temperature varied from 85 ° to 88 ° F. In this experiment , approximately equal ...
... applied to tinfoil were also measured after they had been ap- plied in a similar manner to glass . The period of ed w evaporation was 24 hr , and the temperature varied from 85 ° to 88 ° F. In this experiment , approximately equal ...
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