نتایج جستجو برای: selection

تعداد نتایج: 317695  

Journal: :journal of herbal drugs (an international journal on medicinal herbs) 2011
ahmadreza golparvar abdollah ghasemi pirbalouti

background & aim: german chamomile is one of the most important medicinal plants. so, assessment of genetic diversity and relationship among the traits are very essential in chamomile breeding programs. determination of the best indirect selection criteria for genetic improvement of essence percent and dry flower yield of german chamomile (matricaria chamomilla l.) populations was investiga...

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

تهیه ترکیب فسفرتری کلرید بااستفاده از واکنش فسفر سفید(زرد) و گاز کلر در فاز محلول و درمقیاس آزمایشگاهی موردمطالعه قرارگرفت .پس از انتخاب مناسبتر روش و انتخاب بهترین شرایط کوشش درجهت طراحی واحد نیمه صنعتی انجام شد و توانستیم دراین راستا به تولید 10 کیلوگرم درساعت باخلوص 99/5 درصد برسیم . abstract the preparation of phosphorous trichloride by the reaction of white phosphorous and chlorine gas in ...

Journal: :iranian journal of public health 0
m. saadat p.amirshahi d.d. farhud

a total of 3204 abo and rh blood groups were investigated in larestan and lamerd populations, in fars province, in iran. the frequency of the a gene ranged from 16.54% to 21.96, the b gene from 15.85 to 27.77% and that of the d gene from 21.49 to 33.01% ; compared with the gene frequencies of 20.97% for the b and 28.50% for the d in the general population. it seemed that the two populations stu...

Journal: :iranian journal of applied language studies 2012
ehsan barzegar maya khemlani david

this study strives to investigate the importance of ‘education’ and ‘gender’, as two major sociolinguistic variables, in accepting or rejecting the words coined by the iranian academy of persian language and literature (apll). a total of 500 students from state universities in tehran were chosen as subjects and provided with a questionnaire consisting of 50 apll equivalents. the respondents’ ac...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده ادبیات و علوم انسانی 1389

abstract abstract of thesis (includes summary, goals, execution methods, and results) story “al-obnosat al-bayza” is one of the short stories from “hanna mineh” collection. this story is a selection of lives of some humans during a voyage together, each of them is a symbol of human nature (love, mind, kindness) and examine social, cultural, and political aspects of governing system, and it...

Journal: :journal of agricultural science and technology 2014
a. a. masoudi

the aim of this study was to analyze the polymorphisms existing in the 5´ flanking region, exonic, and some parts of the intronic regions as well as methylation analysis of the ednrb gene in cattle and goat. these regions were sequenced in three different breeds of cattle including sistani, golpayegani, and holstein and were compared with that of marghoz goat. the results identified that this g...

Journal: :نظریه تقریب و کاربرد های آن 0
a. hadi-vencheh islamic azad university, khorasgan branch, isfahan, iran. m. niazi-motlagh islamic azad university, khorasgan branch, isfahan, iran.

in this paper we propose a simple non-parametric model for multiple crite-ria supplier selection problem. the proposed model does not generate a zeroweight for a certain criterion and ranks the suppliers without solving the modeln times (one linear programming (lp) for each supplier) and therefore allowsthe manager to get faster results. the methodology is illustrated using anexample.

Journal: :مدیریت شهری 0
samineh bahadorijahromi esmaeil jahanbakhsh shapour behyan

the internet along with many advantages has some disadvantages, and the lack of a complete understanding of cyberspace can cause damage in terms of mate selection method. this article attempts to address some of the disadvantages and threats that virtual spaces create in mate selection method and tries to introduce some strategies to prevent and reduce these emerging injuries. this study was co...

Journal: :international journal of reproductive biomedicine 0
azita faramarzi mohammad ali khalili mehrdad soleimani

background: embryo selection is a vital part of in vitro fertilization (ivf) programs, with morphology-based grading systems having been widely used for decades. time-lapse imaging combined with embryo morph kinetics may proffer a non-invasive means for improving embryo selection. we report the first ongoing and chemical pregnancies using time-lapse embryo scope to select best embryos for trans...

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