Standardization and Requirement of Vitamin A
نویسندگان
چکیده
منابع مشابه
Standardization and requirement of vitamin A.
A full list of references to original papers on which the above summary is based would occupy much space. Most of the earlier work is referred to by %lorton (Rep. Z'rogr. Chern. 19~0,46 ,2++) . R. Granit (Annu. Rev. Physbl. 1950, 12, 485) reviews recent work on the physiology of vision, and G. Wald (Biochim. Biuphys. Acfa, 1950, 4, 215) discusses the interconversion of the retinenes and vitamin...
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در این تحقیق دانش زبانشناسی و کاربردشناسی زبان آموزان ایرانی در سطح بالای متوسط مقایسه شد. 50 دانش آموز با سابقه آموزشی مشابه از شش آموزشگاه زبان مختلف در دو آزمون دانش زبانشناسی و آزمون دانش گفتار شناسی زبان انگلیسی شرکت کردند که سوالات هر دو تست توسط محقق تهیه شده بود. همچنین در این تحقیق کارایی کتابهای آموزشی زبان در فراهم آوردن درون داد کافی برای زبان آموزان ایرانی به عنوان هدف جانبی تحقیق ...
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physiology, pharmacology, and stages andl signs of general anesthesia are well set out, and the subject matter clearly presented. In the chapter on physiology the author aptly emphasizes the abuse of "over-entlhusiastic" absorption of carbon-dioxide, and the r-udimentar-y duty of the anaesthetist to see that "normal and increased requirements of oxygen are more than adequately met." It is inter...
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چکیده ندارد.
a phonological contrastive analysis of kurdish and english
deposite the different criticisms on contrastive analysis it has been proved that the results of it(when processed)can be usuful in a tefl environment,specially at the level of phonology.this study is an attempt to compare and contrast the sound systems of kurdish and english for pedagogical aims. the consonants,vowels,stress and intonation of the twolanguages are described by the same model-ta...
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ژورنال
عنوان ژورنال: British Journal of Nutrition
سال: 1951
ISSN: 0007-1145,1475-2662
DOI: 10.1079/bjn19510013