نتایج جستجو برای: natural nanozeolite

تعداد نتایج: 481756  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی 1393

abstract: the present study is an attempt to find out cultural exophoric references in iranian high-school elt textbooks and touch stone series to compare the frequency of occurrence of such references in these books. the purpose is to find out which of the series of the books under investigation impose a greater referential burden on efl learners as far as their reading comprehension of the ...

Objective(s): In veterinary medicine, zeolites are used as toxin binder in animal feed, ammonia purification of aquatic pools, animal smell and moisture control. This study investigated on the risk assessment of nano zeolite on development of embryonic chicken models, anomalies, tetratogenic and embryotoxic effects. Methods: Eggs (120 = n) were accidentally di...

Journal: :the international journal of humanities 2015
hamid abrishami fatemeh bourbour ma’asoumeh aghajani

in this paper, a model based on gmdh type neural network, is used to predict gas price in the spot market while using oil spot market price, gas spot market price, gas future market price, oil future market price and average temperature of the weather. the results suggest that gmdh neural network model, according to the root mean squared error (rmse) and direction statistics (dstat) statistics ...

Journal: :journal of membrane science and research 0
c. feng chemical engineering and applied chemistry department, university of toronto, on., m5s 3e5, canada k.c. khulbe industrial membrane research laboratory, department of chemical and biological engineering, university of ottawa, on. k1n 6n5, canada t. matsuura industrial membrane research laboratory, department of chemical and biological engineering, university of ottawa, on. k1n 6n5, canada r. farnood chemical engineering and applied chemistry department, university of toronto, on., m5s 3e5, canada a.f. ismail advanced membrane technology center (amtec), universiti teknologi malaysia, 81310 skudai, johor bahru, malaysia

this is a comprehensive review of the recent progresses made in the field of zeolite membranes. it describes zeolitic materials and methods of membrane fabrication, followed by a summary of applications for gas separation, pervaporation and separation of liquid mixtures. special attention is called to polymer mixed matrix membranes (mmms) and membranes based on metal organic frame works (mofs)....

Journal: :The American Journal of Jurisprudence 1960

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده کشاورزی 1393

چکیده کنه تارتن دو لکه ای tetranychus urticae koch یکی از چندخوارترین آفات شناخته شده محصولات کشاورزی دنیا به حساب می آید. در این بررسی جمعیت تخم و مراحل فعال این کنه در شرایط آلودگی طبیعی و مصنوعی در برگ های 8 رقم لوبیا در سال 1392 در گلخانه و مزرعه تحقیقاتی دانشکده کشاورزی دانشگاه ارومیه موردمطالعه قرار گرفت. آزمایش به صورت طرح کاملاً تصادفی برای شرایط مزرعه در10 تکرار و برای شرایط گلخانه ای...

Journal: :مطالعات حقوق خصوصی 0
محمد جواد جاوید دانشکده حقوق و علوم سیاسی، دانشگاه تهران

despite its matchless impact and age-old functioning in the establishment of peace all through the history, the theory of natural law remains neglected among the popular theories at the international level. domination of legal positivism, and schools of its like, has always blocked any natural healing to the ailing condition of the contemporary international system, hence some artificial and fe...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده علوم انسانی 1392

یکی از مهم ترین تحولات تاریخ اجتماعی ایران، وقوع حوادث و سوانح طبیعی است. تاریخ نویسی ایرانی، به رغم نقاط قوت خود در تعدد و تنوع، به علت بی توجهی به شرح سوانح و بلایای طبیعی محل نقد جدی است؛ چرا که این حوادث طبیعی نقطه شروع بسیاری از تحولات تاریخی بوده است. لذا پایان نام? پیش رو تلاش دارد تا این برش از تاریخ اجتماعی را که منشأ تحولات فراوانی بوده، در دوران حکومت ناصرالدین شاه قاجار (1313-1264 ه...

Journal: :journal of dentistry, tehran university of medical sciences 0
m. nouri m. mir a. akbarzadeh a. marami

statement of problem: few longitudinal studies have evaluated the reproducibility of natural head position (nhp) with more than six months follow-up. purpose: the present investigation was conducted to estimate the reproducibility of nhp in adult cases after three years. materials and methods: this descriptive study was performed on 27 volunteer dental students, 19-29 years of age. one radiogra...

Journal: :iranian journal of public health 0
m riazipour aa imani fooladi m razzaghi-abyaneh

background: rice is one of the crops, which are prone to be contaminated with toxigenic fungi and their mycotoxins. this study aimed to investigate the natural occurrence of t-2 toxin in domestic and imported rice in iran. methods: in a cross-sectional descriptive study in winter 2007, 140 samples of imported rice (125 samples of thai and 25 sam­ples of pakistani rice) and 60 samples of iranian...

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