The present work collects the checklist of species of Opiinae (Hymenoptera: Braconidae) from Iran and presents new information about the specimens captured in the Sistan and Baluchestan province during 2009-2011. A total of 68 species belonging to eight genera have been listed, of which nine species including Opius (Hypocynodus) arundinis Fischer, 1964a; Opius (Hypocynodus) bouceki (Fischer, 19...

For years economists have paid special attention to the disparities in academic achievement among minority groups in the United States. Particularly, the White-Black achievement gap has been the focus of many studies. On average, a Black seventeen year old reads at the proficiency level of a White thirteen year old and, in 2008, about 45% of Whites ages 18 to 24 were enrolled in college compare...

the effects of electronic properties of inner and outer surfaces of carbon nano tubes (cnts) on the deactivation of cobalt fischer-tropsch (ft) catalysts were studied. the comparative characterization of the fresh and used catalysts by tem, xrd, tpr, bet and h2 chemisorption showed that cobalt re-oxidation, cobalt-support interactions and sintering are the main sources of catalyst deactivation....