ScienceJohn Michels (Journalist) 1959 |
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Стр. 617
... animals , in contrast to its action on some bacteria . The reason for this is not en- tirely understood , but seems to be re- lated to the fact that the animals can- not synthesize folic acid , whereas the bacteria can . For the animals ...
... animals , in contrast to its action on some bacteria . The reason for this is not en- tirely understood , but seems to be re- lated to the fact that the animals can- not synthesize folic acid , whereas the bacteria can . For the animals ...
Стр. 843
... animals which showed a sig- nificant preference , performance on the 1- and 5 - hour test trials was very reli- ably higher when the preferred side was correct than when it was incorrect . No such differences were apparent for the animals ...
... animals which showed a sig- nificant preference , performance on the 1- and 5 - hour test trials was very reli- ably higher when the preferred side was correct than when it was incorrect . No such differences were apparent for the animals ...
Стр. 1220
... animals they must be relatively larger than contact lenses so that the animals cannot remove them , and they must re- main in place for considerably longer periods of time without causing injury to the eyes . In our experience , contact ...
... animals they must be relatively larger than contact lenses so that the animals cannot remove them , and they must re- main in place for considerably longer periods of time without causing injury to the eyes . In our experience , contact ...
Содержание
POLARIMETER | 162 |
Speed versatility and convenience in measuring | 219 |
Volume 10 1959 | 291 |
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900 North Michigan AAAS acetylcholine acid activity American amino acids ammonia animals areas Association Atomic basic behavior biochemical biological California carnitine cells Center Chem chemical chemistry Chicago citron cloud College Colorimeters Committee Council crystals culture Department Dept director effects electron ence energy Engineering enzyme experience field folic acid genetic glycine gram hemoglobin hydroxyproline ical Institute instrument International laboratory measurements mechanism Medical ment methemoglobin microscope mitochondria Model National National Science Foundation nictitating membrane nuclear nuclei observed operation optical organic papers percent Ph.D physics plant present president problems production protein protozoa radiation range References and Notes Ruth Benedict samples School Science scientific scientists Society soil Soviet specific surface Technology temperature theory tion tissue ture United Univ University volume Washington World Data Center York