Science, Volume 109John Michels (Journalist) American Association for the Advancement of Science, 1883 Since Jan. 1901 the official proceedings and most of the papers of the American Association for the Advancement of Science have been included in Science. |
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Page 104
... produced since 1900 . 600 per year amounted in 1939 to 15 x 1015 , or 15 thou sand trillion , kilogram calories per year , of which ap- proximately four - fifths and one - fifth were contributed by coal and petroleum respectively ...
... produced since 1900 . 600 per year amounted in 1939 to 15 x 1015 , or 15 thou sand trillion , kilogram calories per year , of which ap- proximately four - fifths and one - fifth were contributed by coal and petroleum respectively ...
Page 189
... PRODUCED BY LARGE OR LOW - POSITIVE - CHARGE SUBSTITUTIONAL CATION ) HOST - CRYSTAL CATION ( C ) HOST - CRYSTAL ANION ( A ) CATION IMPURITY ( IC ) ANION IMPURITY ( IA ) FIG . 6. Examples of typical distortions produced by impurities in ...
... PRODUCED BY LARGE OR LOW - POSITIVE - CHARGE SUBSTITUTIONAL CATION ) HOST - CRYSTAL CATION ( C ) HOST - CRYSTAL ANION ( A ) CATION IMPURITY ( IC ) ANION IMPURITY ( IA ) FIG . 6. Examples of typical distortions produced by impurities in ...
Page 596
... produced no lethal effect on the larvae nor did it affect their power of developing to the adult stage . Irradiation showed increased and variable deleterious effects on the reproductive cells of the adult female worms with increased ...
... produced no lethal effect on the larvae nor did it affect their power of developing to the adult stage . Irradiation showed increased and variable deleterious effects on the reproductive cells of the adult female worms with increased ...
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acetylcholine acid activity Agriculture Amer American amino acids amount animals Atomic Energy awarded biol biological blood California Cancer carbon carbon dioxide catheter cells Chem chemical chemistry Chicago College compounds concentration culture curve Department desoxycorticosterone director effect electron Engineering enzyme experimental experiments factor field folic acid genetics growth human Illustrated increase injected Institute International isotopes kilocalories Laboratory liver Lysenko material Medical Medicine ment metabolism meteorites method mice mutations National natural neomycin observed obtained organic oxygen paper penicillin phosphors photosynthesis Phys physics plants poliomyelitis possible present problems produced professor protein radiation radioactive rats reaction recently reported sample School Science scientific scientists Society sodium solution species sucrose Table temperature theory tion tissue tube UNESCO Univer University versity virus vitamin Washington xanthine oxidase xanthopterin York York City