plagiarism in esl/efl learning contexts has been established as a dynamic and multi-layered phenomenon and has become a topic engaging many researchers in a heated debate in recent years. comparisons of student-generated texts with their source texts have shown that students rely on source texts in their writings and copying is a major strategy used by both l1 and l2 writers. in our country a...

Introduction: Expert systems are computer programs that have been designed aimed to make available personnel skills, for non-specialists. These programs are trying to model thinking to simulate human performance, and make correlation between performances of individual experts and software. Nowadays various expert systems have been presented in medical sciences. In diagnosis and treatment of blo...

growing demands and requires of high data rate systems cause significant increase of high frequency systems for wideband communication applications. as mixers are one of the main blocks of each receivers and its performance has great impact on receiver’s performance; in this thesis, a new solution for ku-band (12-18 ghz) mixer design in tsmc 0.18 µm is presented. this mixer has high linearity a...

Integrated methods to store precipitation when it is not sufficient to cause floods will provide suitable conditions for improving the vegetation of floodplains. In this study, the application of rainwater harvesting systems in combination with the performance of flood distribution networks and its impact on increasing the moisture storage in soil profile were investigated. Therefore, while usi...