ScienceJohn Michels (Journalist) 1947 |
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Стр. 133
... record . The reason for the failure of frequency analysis was easier to see by hindsight than by foresight . Such analysis necessarily disregards phase . In the single unanalyzed tracing , phase is an essential component of wave form ...
... record . The reason for the failure of frequency analysis was easier to see by hindsight than by foresight . Such analysis necessarily disregards phase . In the single unanalyzed tracing , phase is an essential component of wave form ...
Стр. 342
... recording and evaluation . Also , the standard recording scale requires excessive quantities of paper and film if a long record is to be made without changing the cassette . Thus , not only are there development difficulties , but ...
... recording and evaluation . Also , the standard recording scale requires excessive quantities of paper and film if a long record is to be made without changing the cassette . Thus , not only are there development difficulties , but ...
Стр. 411
... record gave valuable supplementary information , although the information is difficult to quantify . Furthermore , in all instances in which the subject had fallen asleep during a long , monotonous experimental session , both the high ...
... record gave valuable supplementary information , although the information is difficult to quantify . Furthermore , in all instances in which the subject had fallen asleep during a long , monotonous experimental session , both the high ...
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AAAS acid activity administration American animals application appointed Association atomic awarded barbiturate biological blood cancer carbon cells cent centrioles chairman chemical chemistry Chicago chromosomes clinical College Commission Committee concentration Department director disease Division Edison effect electrical energy engineering enzyme estrone experimental experiments field Foundation glycerides grams Harlow Shapley Illustrated inactivation increase industrial injection Institute investigation isotopes Kirtley F Laboratory liver material Medical Medicine meeting ment method mice mustard gas National neutrons normal nutrition observed obtained operation organization patients penicillin period physical physiology pipette plants plutonium possible present president problems production professor protein radiation radioactive rats reactions record Roger Adams sample School Science scientific scientists Service smegma Society sodium solution specific stanine streptomycin subtilin technical temperature tests thermal neutrons thiamine tion tissue treatment tube tumors University uranium vitamin Washington York zirconium