نتایج جستجو برای: diffusion study
تعداد نتایج: 4088996 فیلتر نتایج به سال:
background and objectives: methicillin-resistant staphylococcus aureus (mrsa) is a well-known pathogen with a worldwide distribution. given the increasing rate of mrsa infections, implementing of reliable, accurate and rapid testing for diagnosis of mrsa is necessary. the aim of this study was to compare four diagnostic methods for detection of mrsa isolates. materials and methods: from decembe...
it seems using the maxwell-stefan (m-s) diffusion model in combination with the vacancy solutiontheory (vst) and the single-component adsorption data provides a superior, qualitative, andquantitative prediction of diffusion in zeolites. in the m-s formulation, thermodynamic factor (г) isan essential parameter which must be estimated by an adsorption isotherm. researchers usually utilizethe simp...
according to rapid changes in information age, iranian organizations should move faster toward optimization of e-business. in order to achieve this strategic goal, recent study develops a conceptual model for presenting the factors affecting e-business diffusion (internal integration and external diffusion) based on toe framework. the purpose of this model is examining the influence of technolo...
Orange peel extract solution contains mucilage flavor and three types of glycosides. Limonene is one of the terpenoides in some vegetables, fruits and food; that plays as an antioxidant in juice. As it has anti-microorganism effects on some bacteria, we carried out the antifungal effects of limonene versus orange extract. In the present study the effects of orange extract and two types of limon...
Background and Aim: Streptococcus sanguinis (S. sanguinis) is one of the effective bacteria in the formation of caries and periodontal diseases which are caused by dental plaque. Currently, the use of natural honey (NH) is considered as a method of reducing S. sanguinis and S. mutans in saliva, which results in reducing the dental plaque. The purpose of this study was to evaluate the effects o...
The purpose of this study is to describe the process of commercial soft technology diffusion in Iran’s oil industry. The study employed grounded theory and deeply interviewed 19 experts in Iran’s oil industry. According to the analysis of conducted interviews and applying open, basic and selective coding. 785 final codes, 184 concepts and 71 sub-themes were extracted. The Process for the commer...
background: methicillin resistant staphylococcus aureus (mrsa) has been emerged as a nosocomial and community acquired pathogen worldwide. there are many challenges for laboratory detection of mrsa. the aim of this study was to compare different phenotypic methods with pcr based method as a gold standard for detection of meca gene. methods: a total of 220 clinical isolates of s. aureus which we...
the present research study attempted to find out the extent to which two pre-task activities of “glossary of unknown vocabulary items” and “content related support” assisted efl language learners with their performance on listening comprehension questions across two different proficiency levels (low and high). data for this study were obtained from a total of 120 language learners, female and m...
the purpose of this study was to investigate iranian efl learners’ beliefs about the role of rote learning (rl) in vocabulary learning strategies; besides, the study examined if english proficiency would influence learners’ vocabulary learning strategy use. this study addresses the need for a clear understanding of the role of rl in efl vocabulary learning by looking at iranian efl learners’ ow...
ABSTRACT The present study was undertaken to determine the diffusion rate of a drug from a semisolid dosage form using different membranes and to explore a membrane and to find out the comparative membrane identical to human skin with respect to diffusion rate of the drug from the selected dosage form. In the present study, Franz cell was used to carry out the diffusion study through fuzzy rat ...
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