attempts have been made to study the thermodynamic behavior of 1,3 butadiene purification columns with the aim of retrofitting those columns to more energy efficient separation schemes. 1,3 butadiene is purified in two columns in series through being separated from methyl acetylene and 1,2 butadiene in the first and second column respectively. comparisons have been made among different therm...

cml in breif cml is characterized by the proliferation of large numbers of immature wbc in the blood and bone marrow. in most of the patients , it is a clonal disorder in which all cell lines, express the philadelphia chromosome)q/22 translocation(it accounts for 20 of all leukemias and most cases occur over 25 yrs of age. the disease usually begins insidiously,but symptoms referable to anemia ...

vocabulary as a major component of language learning has been the object of numerous studies each of which has its own contribution to the field. finding the best way of learning the words deeply and extensively is the common objective of most of those studies. however, one effective way for achieving this goal is somehow neglected in the field. using a variety of activities such as games can r...

this thesis is presented 10 ghz voltage controlled ring oscillator for high speed application. the voltage controlled ring oscillator was designed and fabricated in 0.13یm cmos technology. the oscillator is 7-stages ring oscillator with one inverter replaced by nand-gate for shutting down in the ring oscillator during idle mode. tri-state inverter was used to control of 126 bit vector in ri...

پایان نامه¬ی حاضر به ترجمه، نقد و بررسی کتاب «jesus in the qur’?n» اثر پروفسور ادوارد جفری پاریندر اختصاص دارد. گفتگویی بی طرفانه میان اندیشمندان مسلمان و مسیحی می تواند پیامدهای مثبتی را در جهت همگرایی دو دین اسلام و مسیحیت، مقابله با فرهنگ مادّی در برابر فرهنگ الهی و رسیدن به روح مشترک ادیان یعنی توحید به همراه داشته باشد. در این راستا، آشنایی با دیدگاه های متفکران مسلمان و مسیحی ضروری است. هد...

the present research was conducted to accomplish two purposes. firstly, it aimed to explore and describe schematic structure or what halliday and hassan (1989, p.64) have called “generic structure potential” (gsp) of american english, iranian persian and iranian english newspaper editorials within systemic functional linguistics. secondly, a quantitative cross-comparison was made to investigate...

در این رساله، دو مدخل از مداخل «دائره المعارف قرآن» از انگلیسی به فارسی برگردانده شده و سپس مورد نقد و ارزیابی قرار گرفته است. عناوین این دو مدخل عبارتند از ? readings of the quran ? recitation of the quran در فصل های اول و سوم، پس از ارائه خلاصه ای از سوابق علمی مولفان، ترجمه صورت گرفته از دو مدخل آورده شده است. در فصل های سوم و چهارم نیز نقد و بررسی مطالب مبهم و نادرست محتوایی مداخل مرق...

the present dissertation aims to investigate four-word lexical bundles in applied linguistics research articles by iranian and internationally-published writers. the aims of this study are two-fold: first of all, attempts have been made to create a comprehensive list of the most commonly used four-word lexical bundles categorized by their type and token frequency, their structural characteristi...