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 VAR/SVAR (Vector Autoregressive and Structural Vector Autoregressive) models are the cornerstone of contemporaneous empirical macroeconomic research, in particular for being able to measure impact fiscal policy shocks. They may be employed as atheoretical models, well a mean support estimation testing DSGE (Dynamic Stochastic General Equilibrium) – main theoretical tool modern macroeconomic...

the leaves of arum conophalloides (araceae) were used in some west areas of iran as a dessert. the aerial parts of the herb were collected from sahneh mountains, kermanshah province, west of iran and was hydrodistilled by klevenger-type apparatus. composition of the essential oil was determined by gc and gc/ms. totally, 18 components (92% of total essential oil) were identified. the oil contain...

in the course of studying the saprophagous flies of kermanshah province, the larvae of drosophila busckii (coquillett) and megaselia scalaris (loew) were collected on the moribund or dead larvae of polyphylla olivieri laporte in the orchards of sahneh during 2008-2009. the adult specimens of d. busckii and m. scalaris were identified by dr. diseny (university of cambridge) and dr. baechli (univ...

the employment of human resources is the most important and most critical objective of socio-economic plannings in any country. development takes place when all the facilities and resources are effectively utilized. unemployment, not only waste the human resources, but also, brings about the socio-economic or political problems. the waste of resources, especially human resources, turns the tran...