abstract poor reading comprehension can result in failure in using references, benefiting from professional gatherings and resources, keeping up with the growing body of knowledge in the virtual world of the internet, and failing to achieve in efl programs. the purpose of the present quasi-experimental study was to explore the effects of background knowledge and previewing narrative and expos...

we have devided the thesis in to five chapters. the first recollects facts from purely algebraic theory of jordan algebras and also basic properties of jb and jb* - algebras which are needed in the sequel. in the second chapter we extend to jb* - algebras, a classical result due to cleveland [8]. this result shows shows the weakness of jb* - norm topology on a jb* - algebera. in chapter three, ...

Many scholars believe that social modernity in Iran has been started far earlier than era of Reza Shah Pahlavi with its up-down modernization project and it is argued that there has been an innate social process of modernity gradually developed since Qajar period. So it can be questioned that which one of the two cultural models of Modernity and Tradition has been dominating Qajar artifacts a...

Ta’zieh is one of the religious forms of the Iranian drama which has been flourished in Qajar dynasty and more specifically in Nassery era according to the researchers of the Iranian drama field. They believe that the main reasons for this development in Qajar dynasty are sustainment of the Shi’ite religious authority from Safavid dynasty on and establishment of temporary as well as...

Golestān Palace is the remnant of the historic citadel of Tehran, which dates back to the Safavid period, and the Zandiyeh and Fatḥ-Ali Shah Qajar. But because of extensive repairs by Nasser al-Din Shah in 1905, most of the buildings in this complex are regarded to be from the Nasseri era. Golestān Palace was the residence of the Qajar kings and the country’s administrative heart whose architec...

any change in the refractive index of a laser active medium can lead to serious degradation of beam quality, laser beam modes, laser performance and variation in the intensity distribution. alteration in the refractive index of laser active medium is especially notable in high power lasers. it is clear that in the laser beam production, the pumping agent induces a great amount of heat which...

Increasing the population of cities and the growth and development of urban planning on the one hand and climate change on the other hand has affected the thermal balance of cities and has created thermal islands, so attention to the impact of design on the thermal comfort of urban spaces has become important. The study of the thermal performance of yards as common spaces between urban scale an...

the skill of reading in english as a foreign language is an important and challenging one which is affected both by linguistic and extra linguistic factors. since vocabularies are part and parcel of every reading comprehension text, knowing enough vocabulary always facilitates this process. however, guessing strategy as one of the most important strategies has consistently ignored by language l...

a one dimensional dynamic model for a riser reactor in a fluidized bed catalytic cracking unit (fccu) for gasoil feed has been developed in two distinct conditions, one for industrial fccu and another for fccu using various frequencies of microwave energy spaced at the height of the riser reactor (fccu-mw). in addition, in order to increase the accuracy of component and bulk diffusion, instanta...

in the area of automotive engineering there is a tendency to more electrification of power train. in this work control of an induction machine for the application of electric vehicle is investigated. through the changing operating point of the machine, adapting the rotor magnetization current seems to be useful to increase the machines efficiency. in the literature there are many approaches wh...