abstract in first part of this project, the use of a new and biguanid-like catalyst supported on silica as a recyclable catalyst provides a new route for the synthesis of a variety of arylalkylidene rhodanine derivatives through knoevenagle reaction in at present of solvent at room temperature. rhodanine derivatives and especially arylalkylidene rhodanines have proven to be attractive compound...

Early Isma'ilis, after the death of Isma'il ibn Ja'far al-Sadiq (AS), donated the Imamate to his son Mohammed and were separated from Imamiyyah. They succeeded to establish the Shiite caliphate called Fatimid in Maghrib in 297 AH.  Fatimids conquered Egypt in 358 AH and succeeded in expanding the influence scope of Isma'ili Shiite government to Maghrib, Yemen, Sham, Iran, Iraq and even India an...

 First Pahlavi period (1304-1320 SH) sought to modernize all pillars and components of the society. The endowment considered as one of the components of society and the most important sources of income for the clergy. Reza Khan tried to dominate the endowments by changing the mastery of endowments, changing the managing methods, supervision, exploitation and in some cases, seizing endowments. B...

the speech act of disagreement has been one of the speech acts that has received the least attention in the field of pragmatics. this study investigates the ways power relations, social distance, formality of the context, gender, and language proficiency (for efl learners) influence disagreement and politeness strategies. the participants of the study were 200 male and female native persian s...

today, information technology and computers are indispensable tools of any profession and translation technologies have become an indispensable part of translator’s workstation. with the increasing demands for high productivity and speed as well as consistency and with the rise of new demands for translation and localization, it is necessary for translators to be familiar with market demands an...