The spatial and temporal variability of chemical signals in lavas, residues and melt inclusions provides important constraints on source heterogeneity, the efficiency of convection, and melt transport processes in the mantle. The past decade has seen an impressive increase in the number, precision and spatial resolution of chemical analyses. However, as resolution has increased, the picture of ...

the main purpose of this article is to study comparatively the political participation of young and middle-aged people in noorabad mamasani and its related social factors. to explain the research problem, we have used the theory of political socialization and milbrath’s theory. we distributed questionnaires among 610 young and middle aged people in noorabad mamasani, who were selected through a...