a novel ultra wideband microstrip bandpass filter using radial stub loaded resonator and interdigital coupled lines is presented in this paper. the radial stub loaded resonator and decagonal patch form a resonator named m to create tuneable multiple notches in the passband for suppression wlan interference. to realize sharp roll-off, two adjustable transmission nulls are located at the lower an...

Background: The role of society and people in disaster risk management is prominent. However, using this potential and increasing the people’s role have always been a challenge. The purpose of this study was to find community-based management challenges in disaster risk reduction. Materials and Methods: Participants and Methods: This study was conducted with the qualitative approach and ...

charles dickens was a voracious reader even in his childhood. his early reading of seventeenth- and eighteenth-century picaresque fiction greatly influenced his writing style. his first novel, the pickwick papers, is a tale of rogues and swindlers, adventures and quests, satire and comedy, and innocence and experience. oliver twist, dickens’ second novel, is a young boy’s progress through a cor...

گفته می شود حلقه r خوش ترکیب است هر گاه هر عضو آن خوش ترکیب باشد، یعنی به توان هر عضو آن را به صورت مجموع یک عنصر وارون پذیر و یک عنصر خود توان نوشت. در این پایان نامه فرض بر آن است که a یک زیرحلقه یکدار، خوش ترکیب و چگال از اعداد حقیقی است که میدان نیست. ابتدا نشان می دهیم حلقه توابع پیوسته a-مقدار یا (c(x,a روی فضای صفر-بعدی x خوش ترکیب است اگر و تنها اگر x یک p-فضا باشد. سپس گفته خواهد شد ک...

most specialists in the field of foreign language teachingconsiderreading skill as an interactive process between the reader’s prior knowledge and the text.accordingly, the activation of prior knowledge for an effective comprehension is very important. it is generally agreed that the pre-reading phase is the stage where this type of interaction and activation may be enhanced throughcertain stra...

one of the applications of nanotechnology is use of carbon nanotubes for the targeted delivery of drug molecules. to demonstrate the physical and chemical properties of biomolecules and identify new material of drug properties, the interaction of carbon nanotubes (cnts) with biomolecules is a subject of many investigations. cnts is a synthetic compound with extraordinary mechanical, thermal, el...

this study focuses on tracing the clearly defined elements of magic realism in toni morrison’s song of solomon as an illustrious african american example of the mode. magic realism is a fictional technique that combines fantasy with raw physical reality in a search for truth beyond that available from the surface of everyday life. toni morrison, as a distinguished african-american practitioner ...