The International ozone conference in Paris, May 15 to May 17, 1929 : R. Ladenburg. Naturwissenschaften July 5, 1929.)
✍ Scribed by G.F.S.
- Publisher
- Elsevier Science
- Year
- 1930
- Tongue
- English
- Weight
- 142 KB
- Volume
- 209
- Category
- Article
- ISSN
- 0016-0032
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✦ Synopsis
New Zealand spinach as the sole source of fat-soluble A vitamin in the ration of growing albino rats. Leaves of different size were fed to different animals. The rate of growth of the rats indicated that the potency or content of vitamin A in the leaves depended directly upon their surface area and was inversely proportional to their thickness.
J. S. H.
CURRENT "['oeIcs.
[J. F. I.
doubt been already collected by an expedition sent to Spitzbergen in the summer of I929. Others of the unsolved problems were distributed among the investigators present. Great credit is given by Prof. Ladenburg of Berlin to the manner in which Prof. Fabry conducted the conference. It will be remembered that this French physicist was a guest at the centenary of The Franklin Institute in I924 .