نتایج جستجو برای: containing 025 acetic acid had the most scores

تعداد نتایج: 16251659  

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

a novel acrylic acid-functionalized fe3o4 magnetic nanoparticle with a core-shell structure was developed for utilization as a heterogeneous organosuperacid in chemical transformations. the structural, surface, and magnetic characteristics of the nanosized catalyst were investigated by various techniques such as transmission electron microscopy (tem), thermogravimetric analysis (tga), and ft-ir...

Journal: :JOURNAL OF CHEMICAL ENGINEERING OF JAPAN 1975

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده ادبیات و علوم انسانی 1394

adaptation of the lord of the rings is considered by many to be among the greatest, most successful and at the same time most popular of the above mentioned trend so far. it is my intention to look at the success and popularity of this epic fantasy in the light of the 9/11 attacks and the war on terror context of g. w. bush’s aura. in so doing i aim at bringing into the light the determining fa...

Journal: :iranian journal of chemistry and chemical engineering 0
hocine kadi laboratoire de chimie appliquée et génie chimique, université m. mammeri de tizi - ouzou (hasnaoua), tizi-ouzou. 15000 algerie ramdane moussaoui laboratoire de chimie appliquée et génie chimique, université m. mammeri de tizi - ouzou (hasnaoua), tizi-ouzou. 15000 algerie sadia djadoun laboratoire de chimie appliquée et génie chimique, université m. mammeri de tizi - ouzou (hasnaoua), tizi-ouzou. 15000 algerie patrick sharrock laboratoire d’études et de recherches en imagerie spatiale et médicale, université paul sabatier, castres. 81104 france

in this study, microwave-assisted solvent extraction (mase) was used to recover oil residues from pomace olive using acidic hexane. results obtained demonstrated that oil extraction yield increased with time, the amount of acetic acid in hexane and power radiation. for both radiation powers used (170 and 510w), the optimal extraction time and most interesting content of acetic acid in hexane ar...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده ادبیات و علوم انسانی دکتر علی شریعتی 1387

this study was designed to investigate the impacts of teachers self-disclosure on students foreign language classroom anxiety, attitude to english language learning and their achievement scores at the end of the term. there were 48 female learners of intermediate level. they were not randomly selected. there were one experimental group with 21 students and one control group with 27 students.the...

تاجیک, حسین, شیروانی, زلیخا, علی اکبرلو, جواد,

Background and purpose: Recently, natural antimicrobials attracted a lot of attention due to increasing preference of consumers for organic products which are free of chemical additives. The aim of this study was to investigate the antibacterial activity of cinnamaldehyde in combination with acetic and lactic acids against L.monocytogenes. Materials and methods: The antibacterial effects of ...

پایان نامه :دانشگاه آزاد اسلامی - دانشگاه آزاد اسلامی واحد شاهرود - دانشکده پزشکی 1390

nitric oxide (no) is a small molecule synthesized by most of mammalian cells with diverse biological activities including vasodilatation, host defense and wound healing. impaired wound healing is a common occurrence among diabetics and patients receiving glucocorticoid therapy. on the other hand the application of laser in biomedical area have been increased. thus, the current studies were desi...

Journal: :journal of dental research, dental clinics, dental prospects 0
mehrdad lotfi 1dmd, msc, research center for pharmaceutical nanotechnology, endodontic department, dental school, tabriz university (ms) negar moghaddam 2dmd, endodontic department, dental school, tabriz university (ms) sepideh vosoughhosseini 3dmd, msc, department of oral and maxillofacial pathology, dental school, tabriz university (ms) vahid zand 4dmd, msc, endodontic department, dental school, tabriz university (ms) mohammad ali saghiri 5kamal asgar reseach center (karc), azad university, dental branch, tehran, iran.

background and aims. the aim of the present study was to compare 1.3% sodium hypochlorite (naocl) in mtad (mixture of tetracycline isomer, acid, and detergent) for the removal of the smear layer and induction of canal erosion. materials and methods. 38 maxillary incisors were divided in three experimental groups of 10 and two positive and negative control groups of each 4 teeth, and prepared us...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه امام رضا علیه السلام - دانشکده ادبیات و علوم انسانی 1392

the present study aims at identifying, classifying and analyzing collocation errors made by translators of the holy quran into english.findings indicated that collocationally the most acceptablt translation was done by ivring but the least appropriate one made by pickthall.

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده علوم انسانی 1393

as some definitions show, idioms are expressions whose meanings cannot be obtained from individual words. in every society, people use their own conceptions and feelings through different idioms and expressions. so every culture and society has their own idioms. some scholars proposed methods for translating idioms but baker’s strategies are very important and constructive. this research tried ...

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