نتایج جستجو برای: 1 and fbekk 1

تعداد نتایج: 17231476  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1375

this thesis basically deals with the well-known notion of the bear-invariant of groups, which is the generalization of the schur multiplier of groups. in chapter two, section 2.1, we present an explicit formula for the bear-invariant of a direct product of cyclic groups with respect to nc, c>1. also in section 2.2, we caculate the baer-invatiant of a nilpotent product of cyclic groups wuth resp...

Journal: :journal of dentistry, tehran university of medical sciences 0
p. salehi sh. momeni danaie

statement of problem: assessment of mandibular size and position is essential when planning a treatment strategy for patients with class ii malocclusion. purpose: this study was carried out to evaluate the mandibular size and position of 8-13 year-old children with class ii division 1 malocclusion whom were referred to the faculty of dentistry, shiraz university of medical sciences, iran. mater...

Journal: :iranian journal of basic medical sciences 0
mehdi farzadnia department of pathology, faculty of medicine, mashhad university of medical sciences, mashhad, iran,3cancer molecular pathology research centre, mashhad university of medical sciences. mashhad, iran hossein ayatollahi departments of hematopathology and blood banking; faculty of medicine, mashhad university of medical sciences. mashhad, iran 3cancer molecular pathology research centre, mashhad university of medical sciences. mashhad, iran maliheh hasan-zade department of obstetrics and gynecology, faculty of medicine, mashhad university of medical sciences. mashhad, iran hamid reza rahimi student research committee, department of modern sciences & technologies, faculty of medicine, mashhad university of medical sciences. mashhad, iran

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Journal: :Journal of Siberian Federal University. Chemistry 2020

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

abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت معلم تهران - دانشکده علوم 1370

determination of uranium in natural water and complex solutions using ion exchange chromatography: a combined procedure using ion exchange chromatography and uv-vis spectrophotometry techniques has been developed to measure uranum in natural water and complex solutions. after conditicing , one hundred milli liters of sample solutions have been passed through an ion exchange column,pachked with ...

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