نتایج جستجو برای: length to diameter ratio

تعداد نتایج: 10712282  

مقدم, محمد, سمیعی, لیلا , صفری محمدیه, زهرا , عابدی, بهرام ,

Mint is an important medicinal herb that is cultivated in different parts of the world. In order to investigate the effects of salinity stress on morphological characteristics of spearmint (Mentha spicata L.), an experiment was conducted in 2013, based on complete randomized design, under hydroponic conditions, at Research Greenhouse of Faculty of Agriculture, Ferdowsi University of Mashhad, Ir...

Journal: :به نژادی گیاهان زراعی و باغی 0
داود مردان زاده دانشجوی کارشناسی ارشد، گروه تولیدات گیاهی، دانشکدۀ کشاورزی، دانشگاه لرستان، خرم آباد، ایران بهمن زاهدی استادیار، گروه تولیدات گیاهی، دانشکدۀ کشاورزی، دانشگاه لرستان، خرم آباد، ایران رضا درویش زاده دانشیار، گروه اصلاح نباتات، دانشکدۀ کشاورزی، دانشگاه ارومیه، ارومیه، ایران

in order to evaluate genetic diversity among squash landraces from northwest iran by morphological and physiological traits, 18 squash landraces belong to pumpkin, ornamental and confectionary groups were planted in completely randomized block design with three replications in agricultural research center of urmia in 2013. morphological characteristics related of fruit, seed, leave and flower a...

Journal: :journal of dental materials and techniques 0
mahdiyeh mahdiyeh seifi dental research center, assiatant professor of prosthetic department, faculty of dentistry, mashhad university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) bijhan bijhan heidari dental research center, department of prosthodontics, faculty of dentistry, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) nafiseh nafiseh asadzadeh aghdaee dental research center, associated professor of prosthetic department, faculty of dentistry, mashhad university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences) saeid saeid ebrahimzadeh lecturer of biostatistics, mashhad university of medical sciences, mashhad, iranسازمان اصلی تایید شده: دانشگاه علوم پزشکی مشهد (mashhad university of medical sciences)

introduction: post and core has been considered for endodontically treated tooth, especially in cases with severe damage crowns. recently fiber reinforced composite posts (frc post) have been used in the treatment of endodontically treated teeth. because the length and diameter of posts are effective in stress distribution, the purpose of this study is to evaluate the effect of length and diame...

Journal: :علوم و تکنولوژی پلیمر 0
روح اله جلیلی محمد مرشد سید عبدالکریم حسینی

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The purpose of this study is to design a three-stage axial compressor with identical pressure ratio which makes an adequate pressure ratio and efficiency in design point conditions with rotational velocity of 38000rpm and mass flow rate of 3.2kg/s. First of all, considering some restrictions such as Dehaller number more than 0.7 in all sections of the stator and the rotor, and relative Mach num...

Journal: :پژوهش آب در کشاورزی 0
محبوبه سادات ملائی کارشناس ارشد آبیاری و زهکشی دانشگاه بین المللی امام خمینی (ره). علی مهدوی مزده استادیار گروه مهندسی آب، دانشگاه بین المللی امام خمینی (ره). علیرضا وطن خواه استادیار گروه مهندسی آبیاری و آبادانی پردیس کشاورزی و منابع طبیعی دانشگاه تهران.

in the present study, hydraulic properties of low pressure drip irrigation systems in lateral pipes were evaluated by mathematical model with the aid of experimental data resulting from testing of tubes available in iran. in this regard, emitters discharge were measured in different initial heads from 0.45 to 1.8 m for laterals with outside diameter of 32 mm with different lengths of 89, 60, 30...

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