this study aims at explaining informal internet-based chat format with respect to its genre and writing components and system. the researchers analyzed 53 chat samples which were produced by 53 iranian students in high intermediate and advanced levels of english in a private institute while chatting with foreigners. besides the genre analysis, the purposes why people all around the world chat o...

The pandemic and military actions in the country triggered our study considering challenges Ukrainian higher education faces referring asynchronous learning. We assume that are threefold – namely psychological, technical (availability of means for providing communication technological (scientifically grounded methods quality learning). In focus is on learning specialized terminology. background...

A novel cascade electro-osmotic pump (EOP) has been fabricated by alternately connecting a cation monolithic column and anion monolithic column in series. In this manner, the change of electric polarity between each stage of the cascade EOP is easily achieved and the pressure output of the EOP could be greatly enhanced without increase of the applied voltage.