ScienceJohn Michels (Journalist) 1958 |
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Стр. 319
... animals were run for periods of an hour a day , they usually main- tained the same rate of self - stimulation throughout the hour and for as many days or months as they were tested . Such stable rates ( shown in Figs . 8 and 9 ) were ...
... animals were run for periods of an hour a day , they usually main- tained the same rate of self - stimulation throughout the hour and for as many days or months as they were tested . Such stable rates ( shown in Figs . 8 and 9 ) were ...
Стр. 320
... animals were tested every day at a series of shock levels ; accord- RESPONSES 12 8 FORE BRAIN S 0000000 S ingly ... animals with electrodes implanted in fore- brain and of others that had electrodes in hypothalamus , in a continuous 48 ...
... animals were tested every day at a series of shock levels ; accord- RESPONSES 12 8 FORE BRAIN S 0000000 S ingly ... animals with electrodes implanted in fore- brain and of others that had electrodes in hypothalamus , in a continuous 48 ...
Стр. 1056
... animals for previous experiments , each animal had been handled by laboratory personnel on from 30 to 50 days . Three weeks before the experiment described in this report , the subjects were quartered by pairs in rooms in the laboratory ...
... animals for previous experiments , each animal had been handled by laboratory personnel on from 30 to 50 days . Three weeks before the experiment described in this report , the subjects were quartered by pairs in rooms in the laboratory ...
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Infrared absorption spectra of steroids | 11 |
K and J F Winn Renal | 12 |
Insecticide broadcast use of 462 effect | 25 |
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