fifty street dust samples were collected from southern and eastern parts of tehran, the capitalof iran. samples were collected during summer under dry and stable weather conditions. total concentrationsof copper (cu), cadmium (cd), lead (pb), chromium (cr), nickel (ni), zinc (zn), iron (fe), manganese (mn)and lithium (li) were determined. ten samples were then selected for characterization, met...

In a serial verb construction (SVC), two or more verbs combine in single clause without any morphosyntactic marking of linking subordination. However, the way which different linguists interpret and diagnose this description is continual source controversy. There are assumptions about nature verbhood clausehood as well disagreements over how to particular languages. Despite fuzzy category, SVCs...