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تعداد نتایج: 6640163 فیلتر نتایج به سال:
BACKGROUND Our phase III clinical trial of pirfenidone for patients with idiopathic pulmonary fibrosis (IPF) revealed the efficacy in reducing the decline of vital capacity (VC) and increasing the progression-free survival (PFS) time by pirfenidone. Recently, marginal decline in forced VC (FVC) has been reported to be associated with poor outcome in IPF. We sought to evaluate the efficacy of pi...
Abstract Background Despite being considered as a low prevalence country for hepatitis B (HBV), some populations in Germany are at higher risk of infection. In the context World Health Organization’s (WHO) viral elimination goals, valid epidemiological data base is needed to plan and monitor national response. Prevention strategies include general targeted HBV vaccination programmes. Objective ...
Introduction: Inhalation of suspended particulates in cement plants is one of the most important risk factors for pulmonary and respiratory problems for workers of these factories. The purpose of this study was to investigate the role of physical activity on pulmonary function among cement factory workers. Methods: This cross-sectional descriptive-analytical study was conducted among 82 cemen...
in the area of vocabulary teaching and learning although much research has been done, only some of it has led to effective techniques of vocabulary teaching and many language learners still have problem learning vocabulary. the urge behind this study was to investigate three methods of teaching words. the first one was teaching words in context based on a traditional method of teaching that is,...
Before development of an emission standard for vinyl chloride, the Environmental Protection Agency (EPA) conducted three programs to measure vinyl chloride (VC) concentrations in air around plants which either manufacture VC or use it. A brief monitoring survey conducted by EPA Regional Offices found VC in ambient air around poly(vinyl chloride) (PVC) production plants. As a consequence of this...
the purpose of the present study was to investigate the effect of task-based instruction of vocabulary on the receptive and oral productive acquisition of english vocabulary and compare the results with those obtained from the traditional method. the method and procedure applied in this study was as follows: after the implementation of opt, a group of sixty female students were chosen. the stu...
abstract although music possesses some kind of power and using it has been welcome by many students in language classrooms, it seems that they take a non-serious image of the lesson while listening to songs and they may think that it is a matter of fun. the main objective of the present study was to investigate whether learning a foreign language through musical texts (songs) can have an impac...
abstract the primary purpose of this study was to explore the actual practices and cognitions of two groups of iranian eap teachers, i.e. language teachers and content teachers, with respect to teaching reading-comprehension and vocabulary. to this end, tehran university of medical sciences which authorizes both groups of teachers to teach eap courses was selected as the context of the study s...
This paper presents simulation experiments investigating the feasibility and cost of providing survivability to ATM multipoint groups using dedicated bandwidth on disjoint backup groups. Disjoint dedicated backup groups are formed via the VC Mesh model by two different approaches: (1) a backup group consisting exclusively of point-to-point circuits (unicast), or (2) a backup group consisting ex...
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