while learners’ ability to speak academic language develops over time in content-based programs, the development of their nonacademic language appears to lag behind. students’ speaking in content-based (cb) classrooms is confined to an academic discourse style. in the researchers’ point of view, the gap of less amount of nonacademic speaking can be bridged by the application of the conceptual f...

In order to evaluate the tuber fresh weight and some physiological attributes of Agria potato cultivar in response to water deficit stress and mycorrhiza inoculation, a field trial was conducted as a split plot scheme based on randomized complete block design with three replications at the research site of Islamic Azad University, Tabriz Branch in 2012. Four water levels including: irrigation a...

Many online content providers aim to compensate for a loss in advertising revenues by charging consumers for access to content. However, such a choice is not straightforward because subscription fees typically deter customers and a resulting decline in viewership further reduces advertising revenues. This research examines whether firms that offer both free and paid content can benefit from adj...

Dockets1 are traditional paper means for supporting speci c classes of work ows which concentrate on content and its value for individuals and organizations. A docket prescribes and nally documents some content reviewing process which is part of a larger value chain. Since contents represent essential investments they are carefully protected by principles like autonomy and ownership. However, v...

A content provider may join or leave a federation at any time and may be part of more than one federation at the same time. Content providers may also cease as organizations altogether, freeing their domain names for use by others. In addition, content identifiers are spread throughout the members of a federation. These identifiers are stored on various media, sometimes for long durations befor...