This special issue deals with problems related to unit roots and structural change, and the interplay between the two. The research agenda dealing with these topics have proven to be of importance for devising procedures that are reliable for inference and forecasting. Several important contributions have been made. Still, there is scope for improvements and analyses of the properties of existi...

The paper deals with the discussions of a sentence as complete structural unit and its two levels in modern linguistics on basis opinions different linguists. sentence  description are; syntactic semantic-syntactic structures. And modality are major features that combined other characteristics sentence. correlation between them is based predicative. Modality defined category which expresse...

The present study aimed at finding structural variations in the translated abstracts from Persian into English and comparing them with abstracts originally written in English and published in international journals in the area of medical sciences. To do this, 64 medical article abstracts (32 in Iranian journals, 32 in international journals) were analyzed and compared on the basis of Swales’ mo...