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Стр. 879
The bling purified nitrogen through them sample was finally cleaned by immer- for 30 minutes , and nitrogen was passed sion in 1 : 1 HCl or 6 - percent HNO3 over the surface throughout the elecfor about 2 minutes , rinsed thoroughly ...
The bling purified nitrogen through them sample was finally cleaned by immer- for 30 minutes , and nitrogen was passed sion in 1 : 1 HCl or 6 - percent HNO3 over the surface throughout the elecfor about 2 minutes , rinsed thoroughly ...
Стр. 965
But the researchers soon discovered with a naiveté one would hardly have expected in this group that the questionnaire , constructed by men and pretested on a largely male sample , was most inappropriate for women .
But the researchers soon discovered with a naiveté one would hardly have expected in this group that the questionnaire , constructed by men and pretested on a largely male sample , was most inappropriate for women .
Стр. 1279
Degradation of C14 - malathion by various micoorganisms isolated from Ohio soil samples . ... To study the total ability of these soil samples to break down malathion , a 10-8 portion of each soil sample was first incubated for 24 hours ...
Degradation of C14 - malathion by various micoorganisms isolated from Ohio soil samples . ... To study the total ability of these soil samples to break down malathion , a 10-8 portion of each soil sample was first incubated for 24 hours ...
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acid activity amount animals appear application associated behavior cells chemical complete concentration containing continuous culture Department described determined effect energy evidence example experiments fact field fraction give given glucose human Illus important increase indicate Institute interest laboratory lead less material means measurements mechanism ment method minutes nature normal Notes observed obtained occur operation organisms percent period physical plant Pleistocene position possible present Press pressure probably problems produced production range ratio rats reaction recent record References reported response sample Science scientific serum shown similar species structure suggest surface Table temperature tion unit University York