ScienceJohn Michels (Journalist) 1937 |
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Page 294
... ACTIVE AGENT FROM INACTIVE TUMOR EXTRACTS THE majority of fowl tumors of spontaneous origin which have been transplanted have proved to be trans- missible by cell - free filtrates or desiccates of the tumors . On the other hand ...
... ACTIVE AGENT FROM INACTIVE TUMOR EXTRACTS THE majority of fowl tumors of spontaneous origin which have been transplanted have proved to be trans- missible by cell - free filtrates or desiccates of the tumors . On the other hand ...
Page 483
... active element must be present before detection is possible by the electroscope . To determine what may be the amount of active phosphorus in a plant with intact xylem as compared with one that has the xylem removed , experiments were ...
... active element must be present before detection is possible by the electroscope . To determine what may be the amount of active phosphorus in a plant with intact xylem as compared with one that has the xylem removed , experiments were ...
Page 552
... active patron of science . The Survey has since acquired the Chaukoutien site and provided the necessary equipment for the exten- sive exploitation of these now famous deposits of the remains of ancient man . The Soil Survey and ...
... active patron of science . The Survey has since acquired the Chaukoutien site and provided the necessary equipment for the exten- sive exploitation of these now famous deposits of the remains of ancient man . The Soil Survey and ...
Contents
g sci | 105 |
MATZKE and PROFESSOR SAM F TRELEASE | 251 |
Recent Deaths and Memorials | 275 |
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