ScienceJohn Michels (Journalist) 1940 |
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Page 99
... growth layers , depending upon how many times the tree ceased and then resumed growth during a season . It was found that the annual increments in the various specimens of Arizona cypress contained from one to five growth layers . In a ...
... growth layers , depending upon how many times the tree ceased and then resumed growth during a season . It was found that the annual increments in the various specimens of Arizona cypress contained from one to five growth layers . In a ...
Page 577
... growth of Staphylococcus aureus ( X 3 strain ) . At this time extracts of both plant and animal tis- sues were prepared , subjected to various chemical treatments and tested for their growth - promoting properties . The results ...
... growth of Staphylococcus aureus ( X 3 strain ) . At this time extracts of both plant and animal tis- sues were prepared , subjected to various chemical treatments and tested for their growth - promoting properties . The results ...
Page 600
... growth is that the growth of the central nervous system continues after the growth of the skeleton has ceased . We have endeav- ored to test this by two procedures- ( 1 ) the study of rats whose growth has been retarded at an equal rate ...
... growth is that the growth of the central nervous system continues after the growth of the skeleton has ceased . We have endeav- ored to test this by two procedures- ( 1 ) the study of rats whose growth has been retarded at an equal rate ...
Contents
ALVAREZ W Lunar Rainbows 450 | 5 |
SIMMS H S Senile Debility and Mortality | 7 |
GAFFRON H Oxyhydrogen Reaction in Green Algae 529 | 9 |
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