نتایج جستجو برای: روش cross

تعداد نتایج: 858891  

Journal: : 2023

یکی از عوامل محرک برای ایجاد جریان محوری درون روتور سانتریفیوژ به منظور افزایش عملکرد جداسازی، اسکوپ است. با توجه قرار گرفتن در معرض گاز ماخ بالا، دچار شوک شده و گرادیان‌های شدیدی اتفاق خواهد افتاد. این پژوهش اطراف حالت دوبعدی (r-θ) روش شبیه­سازی مستقیم مونت‌کارلو (DSMC) استفاده حل­گر dsmcFoam فواصل مختلف دیواره شبیه‌سازی نتایج نشان می‌دهد که فاصله کاهش زاویه برخورد اسکوپ، سبب بیشینه دما نیروی ...

Journal: : 2022

ساختارهای شناختی ابعاد مهمی از ارزیابی­ها در روابط هستند. طرفی ایران خانواده­های همسران، نقش کیفیت زناشویی دارند. تحقیق حاضر به مطالعه بخشی این شناخت­ها یعنی استانداردها منظر والدین ایرانی درباره عروس و داماد مطلوب، با رویکرد پدیدارشناسی تفسیری، پرداخته است. بدین منظور 20 نفر دارای حداقل یک یا داماد، مصاحبه نیمه­ساختار یافته صورت گرفت. میانگین سنی مادران پدران ترتیب 5/57 5/58 سال بود. داده­ها ا...

Journal: :journal of emergency practice and trauma 0
gholamreza faridaalaee emergency medicine department, maragheh university of medical sciences, maragheh, iran seyed hesam rahmani emergency medicine department, urmia university of medical sciences, urmia, iran amin mahboubi emergency medicine department, maragheh university of medical sciences, maragheh, iran

abstract cisplatin was the first of the platinum drugs. second-generation platinum derivative was carboplatin that its efficacy in the treatment of many malignancies is equal to cisplatin, and its toxicity profile is more favorable. here we report on a 50-year-old woman with a history of cervix cancer who developed a severe hypersensitivity reaction (hsr) to carboplatin. she was admitted to the...

Journal: :international journal of data envelopment analysis 0
m. fallah jelodar

the cross efficiency evaluation is used to performance measurement of decision making units in data envelopment analysis concept. one of the most important shortcoming of this method is existing alternative optimal solution and therefore, the efficiency scores are not unique. we are going to summarize the pervious models proposed by researchers and suggest an alternative secondary goal approach...

Journal: :journal of agricultural science and technology 0
h. pinar department of horticulture, faculty of agriculture, erciyes university, 38039, kayseri, turkey. s. ercisli department of horticulture, faculty of agriculture, ataturk university, 25240, erzurum, turkey. m. bircan alata horticultural research institute, 33740, erdemli/mersin, turkey. m. unlu alata horticultural research institute, 33740, erdemli/mersin, turkey. a. uzun department of horticulture, faculty of agriculture, erciyes university, 38039, kayseri, turkey. k. u. yilmaz department of horticulture, faculty of agriculture, erciyes university, 38039, kayseri, turkey. m. yaman

world apricot (prunus armeniaca l.)  production is increasing steadily due to breeding of new high yielding cultivars in different countries. more recently, breeding programs have been modified according to consumers’ demands and also improvement in resistance to diseases (sharka, monilinia etc.), frost damages, and determination of self-(in) compatibility. in this study, fourteen apricot breed...

Journal: :journal of current ophthalmology 0
هادی استادی مقدم hadi ostadimoghaddam عباسعلی یکتا abbasali yekta حسن هاشمی hassan hashemi جواد هرویان javad heravian اکبر درخشان akbar derakhshan الهام عزیزی elham azizi رضا نوروزی راد

purpose : to determine the prevalence of the uncorrected refractive errors in bojnourd students methods : in a cross-sectional study, the samples were selected proportionate to the population of the schools using stratified randomized cluster sampling. the target population was the primary and junior high school students of the city of bojnourd. visual acuity (va) (snellen chart) and cycloplegi...

Journal: :iau international journal of social sciences 2015
mohammad motiee

culture as the philosophy of life refers to the values, norms and rules, and actual behaviorwhich is taken over by man from the past generations, and to leave it to next generation in a differentform, separates individuals belonging to the culture from individuals belonging to other cultures.each of these different attitudes describes the degree to which the culture values the past, the present...

Journal: :iranian chemical communication 2015
mohammad galehassadi samad omidi

new biodegradable network polymers containing siloxane-linked polymeric prodrugs of 5-ammino-2-hydroxybenzoic acid (5-asa) in the main chain were prepared by ter polymerization of methacrylic acid (ma), 2-hydroxyethylmethacrylate (hema), and bis (trimethylsilyloxy) methylsilane (vbm) in the presence of some new cross-linking agents.the monomers and polymers were characterized by ft-ir and 1h-nm...

Journal: :journal of medical bacteriology 0
zahra ravesh-barakzai department of microbiology, quaid-i-azam university, islamabad, pakistan. jahangir arshad-khan department of microbiology, quaid-i-azam university, islamabad, pakistan. shagufta hussain department of microbiology, pakistan institute of medical science, islamabad, pakistan.

b a ckground: s taphylococcus aureus (s. aureus) has remained always an important pathogen of common infections acquired in community and as  well as serious nosocomial infections. with advent of penicillins and cephalosporins, infections could be effectively treated, but with the global emergence of methicillin resistant staphylococcus aureus strains (mrsa) physicians were  again left  with li...

Journal: : 2023

در میان شبکۀ معابر شهری، راه‌های اضطراری امدادرسانی حین زلزله، به‌ویژه مرحلۀ پاسخ به بحران، نقش مهمی ایفا می‌کنند. حفظ عملکرد این شبکه از معابر، ساعات اولیۀ پس اهمیت بسزایی دارد. محافظت و مقاوم‌سازی اجزای آسیب‌پذیر شبکه، به‌خصوص پل‌ها، پیش وقوع تأثیر شایان توجهی کاهش خسارات آسیب‌ها اغلب اوقات تمامی آسیب‌پذیر، به‌دلیل محدودیت بودجه، عملاً ناممکن است. ایجاب می‌کند که با شناسایی دقیق گزینه‌های ابتد...

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