فرض کنیم ‎ x ‎ و ‎ ‎y‎ ‎ فضاهای فشرده ی هاوسدورف باشند‏، ‎ ‎a‎ ‎ و ‎ ‎b‎ ‎ به ترتیب جبرهای یکنواخت بر ‎ ‎x‎ ‎ و ‎ ‎y‎ ‎ باشند‏‎a‎_{1}‎‎ ‎ یک زیر مجموعه ی ‎a‎ ‎ باشد و ‎ ‎ ho :‎ ‎a‎_{1} ‎ ightarrow ‎a‎ ‎‏،‎‏‎ ‎‎‎‎‎‏‎‎‎‎‎‎ au :‎ ‎a‎_{1}‎‎ ‎ ightarrow ‎a‎‎ ‎‎‎‏‏، ‎‎‎‎ s‎ :‎ ‎‎a‎_{1}‎‎ ‎ ightarrow ‎b‎‎ ‎ ‎ ‏و ‎ t‎ :‎ ‎‎a‎_{1} ‎ ightarrow b‎‎ ‎ ‎ نگاشت های باشند به طوری که‎$ ho(a‎_{1}‎)‎ ‎ ‎‎ و ‎ a...

testing plays a vital role in any language teaching program. it allows teachers and stakeholders, including program administrators, parents, admissions officers and prospective employers to be assured that the learners are progressing according to an accepted standard (douglas, 2010). the problems currently facing language testers have both practical and theoretical implications but the first i...

چکیده ندارد.

a phase-locked loop (pll) based frequency synthesizer is an important circuit that is used in many applications, especially in communication systems such as ethernet receivers, disk drive read/write channels, digital mobile receivers, high-speed memory interfaces, system clock recovery and wireless communication system. other than requiring good signal purity such as low phase noise and low spu...

abstractof two mcall programs introducing 100 vocabulary items through two im the researcher of the present study was intrigued to compare the effects age modalities (pictures and streaming video) with those of a conventional method (teacher instruction) in an efl context. she set out to investigate whether such multimedia environments could provide a more effective environment for vocabulary...

‏‎this study investigated the effect of prior knowledge on the listening comprehension performance of fl learners. twenty students, male and female, drawn from the two intact groups of the senior and junior english language and literature majors were chosen as the participants of this study . the two groups were then randomly assigned into the experimental and control group. the experimental gr...

the purpose of this study was to investigate how english language teachers in mashhad who teach students in the pre-university cycle perceived the impact of the efltee on their teaching. the target population was nearly all pre-university english language teachers in seven districts of mashhad in the scholastic year 2008/2009. a survey questionnaire which consisted of (36) likert type items, wa...

abstract this study attempted to investigate the strategies used to translate clichés of emotions in dubbed movies in iranian dubbing context for home video companies. the corpus of the current study was parallel and comparable in nature, consisting of five original american movies and their dubbed versions in persian, and five original persian movies which served as a touchstone for judging n...

abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...

abstract in written mode of language, metadiscourse markers are used commonly to help writers in general and academic writers in particular to produce coherent and professional texts. the purpose of the present study was to compare introduction sections of applied linguistics and physics articles regarding their use of interactive and interactional metadiscourse markers based on the model pro...