ScienceJohn Michels (Journalist) 1936 |
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Page 45
... ACTIVITY OF CERTAIN 60 PHENANTHRENE AND HYDROPHEN- ANTHRENE DERIVATIVES A SOMEWHAT novel technique of bio - assay has been developed in the course of an investigation of the series of phenanthrene and hydrophenanthrene derivatives ...
... ACTIVITY OF CERTAIN 60 PHENANTHRENE AND HYDROPHEN- ANTHRENE DERIVATIVES A SOMEWHAT novel technique of bio - assay has been developed in the course of an investigation of the series of phenanthrene and hydrophenanthrene derivatives ...
Page 46
... Activity as per cent . of oestrone activity Inactive in 100 y doses Y 0.22 Inactive in 50 y doses marked activity with 100 mgm doses in spayed rats . From the data of these experiments the minimum active dose is about 30 y . Furthermore ...
... Activity as per cent . of oestrone activity Inactive in 100 y doses Y 0.22 Inactive in 50 y doses marked activity with 100 mgm doses in spayed rats . From the data of these experiments the minimum active dose is about 30 y . Furthermore ...
Page 274
... activity of other small animals by a vertically moving kymograph lever connected with the activity cage has not per- mitted adequate quantitative description . The ap- paratus described combines the method used by Skinner1 in obtaining ...
... activity of other small animals by a vertically moving kymograph lever connected with the activity cage has not per- mitted adequate quantitative description . The ap- paratus described combines the method used by Skinner1 in obtaining ...
Contents
VOL | 1 |
Academy of Science Nebraska 20 North Carolina | 20 |
Activity Measurement K M WILBUR 274 | 35 |
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Academy of Sciences acid activity Advancement of Science Agriculture American animals annual aphids appointed ascorbic acid Association awarded bacteriology biological Botanical Bureau California cells cent chem chemical chemist chemistry Chicago City College committee Cornell University Council culture director discussion disease Division effect eggs electrical engineering fessor field film Forest genes geology Grand Central Terminal Harvard Harvard University held horticulture human ical industrial insects Institute interest investigations Jour laboratory lecture living material mathematics Medal Medicine meeting ment method Museum National nature observed organic papers physics physiology plants present president problems professor protein recent RECENT DEATHS reported Rochester Rockefeller Foundation SCIENCE FRIDAY scientific scientists secretary Section selenium session Sigma Xi Smithsonian Institution Building Society soil solution species specimens Survey temperature Theobald Smith tion tissue tumors United University versity vitamin Washington William York York City