Nowadays, utilisation of Nano-materials as one of the most recent methods of bitumen modification has attracted attention of many researchers. However, not enough research has been pursued on their mixing with bitumen, because of their dimensions and specific properties. In this study, the carbon Nano-tubes were mixed with bitumen using different mixers and some images were recorded employing a...

this paper was aimed at investigating the persian-speaking translation trainees perception of politeness of english request strategies. they judged the strategies for requesting (e.g. can, could, will, do, etc.) using the paired comparison method. the findings showed great divergence between the judgment of english native speakers with respect to the degree of politeness of 14 generic request s...