ScienceJohn Michels (Journalist) 1950 |
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Стр. 207
... temperature . Samples , consisting of nine tubers each , and taken in a random manner were obtained from each temperature- controlled chamber after 72 , 120 , 240 , 360 , 480 , and 600 hr of continuous exposure . Each tuber was sampled ...
... temperature . Samples , consisting of nine tubers each , and taken in a random manner were obtained from each temperature- controlled chamber after 72 , 120 , 240 , 360 , 480 , and 600 hr of continuous exposure . Each tuber was sampled ...
Стр. 466
... temperature of small mammals falls and a state of hibernation ensues on exposure to cold . By contrast , animals such as the bear with a large ratio of mass to surface area have only a slight fall in body temperature on entering the ...
... temperature of small mammals falls and a state of hibernation ensues on exposure to cold . By contrast , animals such as the bear with a large ratio of mass to surface area have only a slight fall in body temperature on entering the ...
Стр. 521
... temperature for spawning of the oyster ( Ostrea virginica ) in nature was first questioned when it was established that oysters in Long Island Sound were spawning at temperatures ranging from 16.4 ° to 18.5 ° C ( 4 ) . Systematic ...
... temperature for spawning of the oyster ( Ostrea virginica ) in nature was first questioned when it was established that oysters in Long Island Sound were spawning at temperatures ranging from 16.4 ° to 18.5 ° C ( 4 ) . Systematic ...
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