ScienceJohn Michels (Journalist) 1947 |
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Стр. 128
... containing barbituric acid derivatives were employed . Many of the embryos on these media produced large , undifferentiated cell masses instead of normally organized seedlings . A preliminary account of the appearance and growth of ...
... containing barbituric acid derivatives were employed . Many of the embryos on these media produced large , undifferentiated cell masses instead of normally organized seedlings . A preliminary account of the appearance and growth of ...
Стр. 481
... containing amino acids and reducing sugars turn brown when heated . Although this browning reaction has recently been recognized to be of the greatest importance in nearly all industries con- cerned with materials of biological origin ...
... containing amino acids and reducing sugars turn brown when heated . Although this browning reaction has recently been recognized to be of the greatest importance in nearly all industries con- cerned with materials of biological origin ...
Стр. 664
... containing 2-5 p.s.i. ( above atmospheric pressure ) of the gas , flushed the spiral containing C14O2 into the chamber . At the beginning and end of the experiment , hydrogen flushed other gases out of the tissue . The dry ice trap was ...
... containing 2-5 p.s.i. ( above atmospheric pressure ) of the gas , flushed the spiral containing C14O2 into the chamber . At the beginning and end of the experiment , hydrogen flushed other gases out of the tissue . The dry ice trap was ...
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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