نتایج جستجو برای: distillation method antifungal effects of 50

تعداد نتایج: 21380672  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید بهشتی - دانشکده علوم 1371

we describe here a suitable approach for the synthesis of n-unsubstituted monocyclic b-lactams under mild reaction conditions by the annelation of imines with substituted acetylchlorides. in this method the reaily available phtalimidoacetyl chloride were allowed to react with - dibenzylideneiminotoluene (hydrobenzamide) in the presence of an equimolar amount of triethylamine in refluxing toluen...

اصغرزاده, شهریار, رجب نیا, رمضان, شفیعی, مریم السادات, محمدی سقا, ملیحه, مهدوی عمران, سعید, کیاکجوری, کیوان, یوسفی, محمدرضا,

Background and Aim: Ear wax is the combination of different producing gland secretions. According to controversial ideas about the antifungal effects of ear cerumen and lack of any research around this matter in Iran, the present study performed on antifungal activity of cerumen from healthy people referred to Beheshti Hospital, Babol on some fungi. Materials and Methods: This experimental stu...

A Ghaemi M Farshbaf MVM Pourbaig R Omidbaigi

In this study, thyme essensial oil was extracted by water distillation method and was analysed by GS/MS, then we investigated the antifungal effect of this essential oil on Fusarium oxysporum f.sp. ciceri. (A), Macrophomina phaseolina (B), Bipolaris spicifera (C) on the basis of agar dilution method with different concentrations (200, 400, 800 and 1600) The test was carried out with factorial e...

Dermatophyte fungi are the etiologic agents of skin infections commonly referred to as ringworm. These infections are not dangerous but as a chronic cutaneous infections they may be difficult to treat and can also cause physical discomfort for patients. They are considered important as a public health problem as well. No information is available regarding the efficacy of antifungal agents again...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شیخ بهایی - دانشکده زبانهای خارجی 1391

the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...

Introduction: Loading the active ingredients of medicinal plants in lipid nanoparticles reduces the reaction of the active substance with the surrounding environment, such as water and oxygen, and reduces the intensity of transmission or evaporation to the external environment. In this study, intended to enhance efficacy of ginger extract, encapsulation in nanoliponiosome synthesized by thin-fi...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده علوم انسانی 1389

abstract the present research is prepared to study the culture of tea consuming among iranian. the case group which was statistically used for this study was people of lahijan , about four hundred wich were chosen according to their age , gender , education and occupation , randomly selected to fill the questionnaire . then the data collected through the questionnaire was analyzed according ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه ارومیه - دانشکده ادبیات 1391

this study investigated the effects of three kinds of gloss conditions, that is traditional non-call marginal gloss, audio gloss, and extended audio gloss, on reading comprehension and vocabulary gain of iranian upper- intermediate efl learners. to this end, three experimental and one control groups, each comprising 15 participants, took part in the current study. in order to ensure that the pa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس 1388

since the 1960s the age effects on learning both first and second language have been explored by many linguists and applied linguists (e.g lennerberg, 1967; schachter, 1996; long, 1990) and the existence of critical period for language acquisition was found to be a common ground of all these studies. in spite of some common findings, some issues about the impacts of age on acquiring a second or...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه مازندران - دانشکده علوم انسانی 1390

iv abstract this study examined the linguistic behaviors of two iranian efl teachers each of them teaching learners of two similar proficiency levels, a beginner level and an intermediate level, to investigate the relationship between the learners proficiency levels and the amounts and purposes for l1 use by the two teachers. the study was carried out to investigate whether there were differe...

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