نتایج جستجو برای: samples were divided into three sections

تعداد نتایج: 5214360  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده منابع طبیعی 1391

in this study, the effects of oleothermal modification on physical and mechanical peroperties of fir wood (abeis sp.) blocks were examined. at first, some blocks of fir wood with 5 × 20 × 120 cm dimensions were prepared. the blocks were treated in soybean oil. the effects of 3 factors such as treatments temperature (180and 200 °c), holding time (12 and 15 h) and initial moisture content of wood...

Journal: :مجله انسان، محیط زیست و ارتقاء سلامت 0
khalilollah moeinian department of environmental health environmental health engineering, school of public health, semnan university of medical sciences, semnan, iran mohammad reza mehrasbi department of environmental health, zanjan university of medical sciences, zanjan iran hassan hassanzadazar department of public health food department of food safety and hygiene, school of public health, zanjan university of medical sciences, zanjan, iran koorosh kamali department of public health, school of public health, zanjan university of medical sciences, zanjan, iran.. elaheh rabiei department of public health food safety health, zanjan university of medical sciences, iran.

background; fluoride is an essential nutrient for the human body. the major routes of fluoride intake include food and drinking water, though the absorption of fluoride from food is much easier. the aim of this study was to evaluate the amount of fluoride in the soil and tomato and onion crops on farms of zanjan. methods; three farms of each crop (tomato and onion) were selected randomly. each ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد تهران مرکزی - دانشکده زبانهای خارجی 1392

toury (1978:200) believes that translation is a kind of activity which inevitably involves at least two languages and two cultural traditions. being polite while asking for something takes place differently in different cultures and languages, therefore various strategies may be applied for making requests and also translation of them in order not to disturb or threaten the face or better to sa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده مهندسی عمران 1391

one of the most commonly used techniques to reduce the corrosion rate of rebar in concrete is addition substances named corrosion inhibitors into the concrete. corrosion inhibitor is chemical compounds that were added to concrete to prevent corrosion of steel in concrete. sodium nitrate is a type of anodic inhibitors that this study investigatesthe effect of this inhibitor on the properties of ...

Journal: :Journal of contaminant hydrology 2011
G S Janniche C Mouvet H-J Albrechtsen

Vertical variation in sorption and mineralization potential of mecoprop (MCPP), isoproturon and acetochlor were investigated at low concentrations (μg-range) at the cm-scale in unsaturated sub-surface limestone samples and saturated sandy aquifer samples from an agricultural catchment in Brévilles, France. From two intact core drills, four heterogenic limestone sections were collected from 4.50...

ژورنال: مجله دندانپزشکی 2005
هاشمی, زهرا سادات, قوام, مریم ,

Statement of Problem: Bleaching materials are able to change the surface morphology as well as mineral and organic content of tooth structure. Considering that bleaching is done for aesthetic purpose, awareness of the possible effect of these materials on hard tissue is important, because it may affect the restorative treatments. Purpose: The aim of this study was comparing the effect of two bl...

پارسی مود, الهه ناز, داشی پور, علیرضا , راشکی قلعه نو, امین , مولایی, نزارعلی , نیازی, عباسعلی ,

Background and purpose: Identifying the types of immune cells in patients with tuberculosis (TB) including single-core and multi-core is of great benefit in control and treatment of these patients. The aim of this research was to compare differential cell count in Bronchoalveolar lavage (BAL) samples in patients with and without TB.  Materials and methods: In this descriptive-analytical...

Journal: :anatomical sciences journal 0
mohsen mir zahedan university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی زاهدان (zahedan university of medical sciences) mohammad reza arab department of anatomy, school of medicine, zahedan university of medical sciences, zahedan, iran.سازمان اصلی تایید شده: دانشگاه علوم پزشکی زاهدان (zahedan university of medical sciences) mohamad reza shahraki zahedan university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی زاهدان (zahedan university of medical sciences) mohammad ali mashhadi zahedan university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی زاهدان (zahedan university of medical sciences) masood shahraki salar zahedan university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی زاهدان (zahedan university of medical sciences) fereydoon sargolzai aval zahedan university of medical sciencesسازمان اصلی تایید شده: دانشگاه علوم پزشکی زاهدان (zahedan university of medical sciences)

introduction: cisplatin is an antineoplastic drug, which is widely used for the treatment of solid tumors. however, its clinical usage is limited because of its side effects such as hepatotoxicity. this study aimed to identify toxic effects of cisplatin on hepatocytes of rats. methods: a total of 45 adult sprague dawley rats weighing 200±30 g were randomly divided into experimental (n=30) and c...

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

the history of plant’s used for mankind is as old as the start of humankind. initially, people used plants for their nutritional proposes but after the discovery of medicinal properties, this natural ?ora became a useful source of disease cure and health improvement across various human communities. berberis vulgaris is one of the medicinal plants used in iranian traditional medicine. berberis ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1391

the major aim of this study was to investigate the relationship between iq, eq and test format in the light of test fairness considerations. this study took this relationship into account to see if people with different eq and iq performed differently on different test formats. to this end, 90 advanced learners of english form college of ferdowsi university of mashhad were chosen. they were ask...

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