ScienceJohn Michels (Journalist) 1946 |
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Стр. 6
... concentration of 2 × 10-4 ( 8.3 × 10-4M ) causes systolic standstill in approxi- mately 20 minutes , this effect usually being preceded by an increase in heart rate . A concentration of 1 × 10-4 to 0.5 × 10-4 causes a temporary increase ...
... concentration of 2 × 10-4 ( 8.3 × 10-4M ) causes systolic standstill in approxi- mately 20 minutes , this effect usually being preceded by an increase in heart rate . A concentration of 1 × 10-4 to 0.5 × 10-4 causes a temporary increase ...
Стр. 78
... concentration . Grass in all sprayed plots showed no burning effects of the chemical even in those plots that received three applications of the highest spray concentration ( 1,000 ppm ) . The grass in plots receiving this amount of the ...
... concentration . Grass in all sprayed plots showed no burning effects of the chemical even in those plots that received three applications of the highest spray concentration ( 1,000 ppm ) . The grass in plots receiving this amount of the ...
Стр. 99
... concentration of a drug in the blood and tissues is the determining factor in therapy , a quantitative evaluation of effectiveness should be based on blood concentration . They added , however , that compara- tive values in reference to ...
... concentration of a drug in the blood and tissues is the determining factor in therapy , a quantitative evaluation of effectiveness should be based on blood concentration . They added , however , that compara- tive values in reference to ...
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