ScienceJohn Michels (Journalist) 1943 |
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Page 6
... problems are no harder than the problems of the evolution of mechanical tools from their crude beginnings . The evolution of a vocabulary of two hundred names of acts , objects and events from a vocabulary of twenty is a problem ...
... problems are no harder than the problems of the evolution of mechanical tools from their crude beginnings . The evolution of a vocabulary of two hundred names of acts , objects and events from a vocabulary of twenty is a problem ...
Page 31
... PROBLEMS The world is full of new chemical and electro- chemical problems that await the young investigator . Typical of these many " yet - to - be - solved " problems is the one on rubber : Although there are several syn- thetic ...
... PROBLEMS The world is full of new chemical and electro- chemical problems that await the young investigator . Typical of these many " yet - to - be - solved " problems is the one on rubber : Although there are several syn- thetic ...
Page
... problems , discussion topics , and review exercises , culminating in a set of composite problems involving all aspects of the course . Part I. Basic Map Reading II . Topographic Forms III . Elementary Problems and Methods IV . Advanced ...
... problems , discussion topics , and review exercises , culminating in a set of composite problems involving all aspects of the course . Part I. Basic Map Reading II . Topographic Forms III . Elementary Problems and Methods IV . Advanced ...
Contents
4 | 1 |
Timing Device for Speakers N A WEBER 116 | 14 |
GUNDERSON F L WaterSoluble Vitamins 277 | 19 |
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Academy of Sciences active Agriculture ALEŠ HRDLIČKA American amino acids animals anthocyanin appointed Army assistant Association autoclaved awarded Biol biological blood Board Branch British Bureau cells cent chairman Chem Chemical chemistry clinical College color Committee Company concentration culture cytosine diet director diseases drug effect engineering enzyme established experiments field fish fisheries flavone folic acid geology glyoxal growth hexylresorcinol Hospital industry inhibition Institute interest investigations Jour Journal laboratory liver material mathematics Medical School ment method Museum National natural obtained Office organization penicillin pepsin physics plant plasma present president problems production professor propamidine protein rats recent RECENT DEATHS riboflavin School of Medicine scientific scientists Section serum Smithsonian Institution Building Society solution Station sulfonamide technical thiouracil tion tissue tropical United University uracil virus vitamins War Production Board Washington wildlife xanthopterin York