ScienceJohn Michels (Journalist) 1956 |
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Стр. 222
... animals were run with positive and negative reinforce- ment . Group 2 ( L ) : the animals were allowed to run in a closed T - maze for a cumulative period of 20 hours . Negative or positive reinforcements were used during this period ...
... animals were run with positive and negative reinforce- ment . Group 2 ( L ) : the animals were allowed to run in a closed T - maze for a cumulative period of 20 hours . Negative or positive reinforcements were used during this period ...
Стр. 617
... animals induces atrophy of the adrenals , thyroid , and gonads , as well as stoppage of general body growth . The development , growth , and secretory activity of these endocrine glands are controlled by the hormones of the ante- rior ...
... animals induces atrophy of the adrenals , thyroid , and gonads , as well as stoppage of general body growth . The development , growth , and secretory activity of these endocrine glands are controlled by the hormones of the ante- rior ...
Стр. 1032
... animals . Specific activity and total count refer only to these animals . " ization , and it is concluded that the cal- cite is primary rather than secondary . No evidence was found that supported Bøg- gild's suggestion of the presence ...
... animals . Specific activity and total count refer only to these animals . " ization , and it is concluded that the cal- cite is primary rather than secondary . No evidence was found that supported Bøg- gild's suggestion of the presence ...
Содержание
Effect of ergot drugs on Betta splendens | 5 |
AAASRosenthal cancer prize | 20 |
New scheme for performance of osmotic | 43 |
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AAAS acid activity advance American animals annual appears application Association Atomic award biological Board cancer cells chairman changes chemical chemistry Chicago College committee Company complete conference containing Council Department determined director discussion division effect electron energy engineering experiments field give Health important increase indicated industry Institute interest International iron Italy laboratory material means measured Medical Medicine meeting ment method Michigan nature Notes observed obtained Office operation organic percent period physics plant possible present president Press problems production professor published reaction recent References reported represent samples School Science scientific scientists Service session Society structure Table theory tion United Univ University volume Washington York