نتایج جستجو برای: the astronomer zayn al

تعداد نتایج: 16158137  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه بیرجند - دانشکده علوم انسانی 1390

in solvo-hydrothermal method, xrd pattern was indicated presence of intermediate of ammonium octatmolybdate and ammonium tetramolybdate, which were changed to stble phase of ?-moo3 annealing. sem images were indicated nanoparticle with semispheical morphology and tem image was demonstrated nanoparticles with a diameter size of 25nm. also in impregnate method. the xrd pattern was shown high crys...

Journal: :Astronomy & Geophysics 2006

Journal: :Serbian Astronomical Journal 2003

2014
Amelia Carolina Sparavigna

Abu Raihan Al-Biruni (973 1048) is considered one of the intellectual giants of humankind. He was an astronomer, physicist and geographer, that distinguished himself as linguist and historian too. Here we discuss his major contributions to the mathematical geography of Middle Ages.

Journal: :پژوهش های علوم تاریخی 0
رسول جعفریان استادیار گروه تاریخ دانشگاه تهران

on the ruins caused by the mongols’ invasions, a dynamic centre of civilization was built by the outstanding scholar, famous mathematician and astronomer and praiseworthy jurisprudent and theologian, khw?jeh nasir al-din t?si. the characteristic features of this man of knowledge prompted the establishment of this centre of civilization. the shining section of this centre was the observatory of ...

Journal: :Monthly Notices of the Royal Astronomical Society 1859

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

abstract: sayyed mohammad tabatabaee is accounted as one of the effective persons in iran contemporaneoushistory and his role in the events of iran constitution revolution is inevitable. sayyed mohammad tabatabaee from the time of naser al din shah qajar and arrival to iran, informed of the advantages and the basis of constitution, was in the thought of making the iran rule as a constituti...

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