ScienceJohn Michels (Journalist) 1949 |
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Стр. 76
... present volume also contains a collective index to material for Volumes XX - XXVIII . ( Ed . - in- Organic syntheses . ( Vol . 28. ) H. R. Snyder . Chief . ) New York : John Wiley ; London : Chapman & Hall , 1948. Pp . vi + 121 ...
... present volume also contains a collective index to material for Volumes XX - XXVIII . ( Ed . - in- Organic syntheses . ( Vol . 28. ) H. R. Snyder . Chief . ) New York : John Wiley ; London : Chapman & Hall , 1948. Pp . vi + 121 ...
Стр. 270
... present influence over individual life and national trends . The present millennium of warmth may wit- ness complete melting of the polar ice caps and con- sequent profound changes in the climates of present polar and temperate zones ...
... present influence over individual life and national trends . The present millennium of warmth may wit- ness complete melting of the polar ice caps and con- sequent profound changes in the climates of present polar and temperate zones ...
Стр. 588
... present , photographic density .07 Image present , photographic density .14 Exposed to ultra- violet light 5 min Image present , photographic density .06 Image present , photographic density .13 photons produced in the fresh tissue ...
... present , photographic density .07 Image present , photographic density .14 Exposed to ultra- violet light 5 min Image present , photographic density .06 Image present , photographic density .13 photons produced in the fresh tissue ...
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SCIENCE | 4 |
TECHNICAL PAPERS | 26 |
The Validity of the Use of Tracers to Follow | 149 |
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