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...

the extent to which written corrective feedback on linguistic errors can play a role in helping l2 writers improve the accuracy of their writing continues to be an issue of interest to researchers and teachers since truscott (1996) mounted a case for its abolition. while there is growing empirical evidence that written corrective feedback can successfully target some types of linguistic error (...

Rural heritage includes architecture and its special landscapes. The architectural structure of rural settlements is the result of a set of human activities related to the natural and cultural environment. The salient illustration of this type of architecture can be founded in local architecture, which is the main element of rural texture. The spatial organization, establishment and physical st...

abstract over the past two decades, applied linguists and language teachers have shown a great deal of interest in genre-centered approaches , mainly because of pedagogic concerns . this has been due to the need to help non-native readers enhance their ability to understand academic and scientific texts. following swales’ (1981) works on genre analysis, studies of different sections of resear...

abstract compound is a word-formation process that are made two free morpheme (independent) and forms a new word with a new meaning that consists of meaning of both two component of compound. avestan language is one of the ancient iranian languages that is one of the indo-iranian languages. indo-iranian languages is one branch of indo-european languages. structure of compound noun and adjectiv...

the primary goal of the current project was to examine the effect of three different treatments, namely, models with explicit instruction, models with implicit instruction, and models alone on differences between the three groups of subjects in the use of the elements of argument structures in terms of toulmins (2003) model (i.e., claim, data, counterargument claim, counterargument data, rebutt...

In addition to their ritual function and sublime terres­trial status, Mosques play an important role in sys­temizing the various aspects of human life and activi­ties.  Mosques need an appropriate space to meet the needs of the users. Although the spiritual benefit of mankind from mosques is highly realized, minimum architectural requirements are necessary to facilitate his/her...

Numerous factors have been influential in the creation of Iranian architectural heritage, and due to the diversity of these factors, often the physical and material aspects that have a tangible field of perception have been studied and analyzed. This is while other influential aspects with non-physical nature have been effective in the formation of architectural structure in the context of huma...