ab? h??tam muz?affar asfiz?r? (5th and 6th centuries a.h.), the great iranian mathematician, astronomers and scholors, was a contemporary of khayy?m. we don’t know much about his life excert what has been mentioned in some historians’ and scholars’, works. amony his most remarkable scientific achievements, we can mention his role in vernal equinox in order to modify and improve chronology and j...

By the law of mutually exclusive events, the distribution of a' when s' is known can be found by integrating the present p(a)p(cr)dadu over all o. Equation (9) is then in fact obtained, showing the consistency of the results given in these papers. Equation (9) is the answer to question'(A); and while the answer to question (A) has thus been shown to follow from the answer to question (B), the m...

Journal of Experimental Botany (JXB) has a long and prestigious history of publishing high-quality papers presenting new findings across a broad range of plant sciences. This year, 2017, marks the journal’s 68th year, and the coming two years leading up to our 70th anniversary will be a particularly exciting period. With a new Editor in Chief five years ago, it was an important point to reflect...

(Pp. viii + 479; figs. 121. 30s.) Edinburgh and London: E. & S. Livingstone, 1962. THE author originally hoped to provide a background of biological knowledge and at thd same time to interest the student in applications of botany to his life work, but claims only the first objective for this book. As far as medicine is concemed it is doubtful if botany has now any application except in so far a...

This brief biography is consecrated to a scientist who has spent more than sixty years of his life on the study of Iranian plants and made a significant contribution to our knowledge of botany in Iran. Dr. Musa Iranshahr was born on 7 December 1923 in Tabriz (Iran). He did his elementary and high school where he was born. After graduating from Faculty of Agriculture, TehranUniversity, he receiv...