particulate and gaseous emissions of pollutants from industries and auto-exhausts are responsible for rising discomfort, aggravates respiratory and cardiovascular. in this study, a system for air quality information in tehran city has been developed, using an online web-based geographic information system. this web-based gis application allows users to recognize areas with a potential increase ...

Abstract Legally protected plants are illegally traded through online sales platforms and orchids a significant component of this wildlife trade. This study focused on salep, compound product made from wild collected orchid tubers several genera—including Anacamptis, Dactylorhiza, Himantoglossum, Ophrys, Orchis, Serapias— whose harvest endangers some the species used, despite their collection s...

abstract following the advances in mobile communication and information technology, smart phones have been used in a wide variety of commercial, social, entertainment, file sharing and health transactions and applications. the current procedures in healthcare environment for patient registration, appointment scheduling and payment are time consuming and somehow tiresome. traditionally, patients...

since the late 1990s, different web-based submission and peer review systems have emerged, and significant numbers of journals have shifted from their old paper-based systems to the web-based ones. exploring the main features of these online systems might lead to better understand this flow. this study was performed to examine the features and capabilities of online submissions and peer review ...

utilizing the resources of the web in educational practices has made instructional processes more efficient and interesting and has made the learning process on the other hand much easier and attractive. with the web, english language teachers now have the option of engaging learners in online (web-based) instructions in addition to the use of conventional classroom instructions or alternativel...