An experimental study is reported on natural convection heat transfer from a helical heating coil to the surrounding fluid. The coil is heated electrically and the surrounding fluid is selected to be water. The range of parameters are: Rayleigh number, 879 ?£ Ra ?£ 780168, Prandtl number, 4.22 ?£ Pr ?£ 10.02, dimensionless coil diameter,7.69 ?£ Dave /d ?£ 10.77, number of coil rings, 2 ?£ N ?£ ...

Collective psychological ownership as a sense that territory belongs to group might explain attitudes of the White majority toward territorial compensation for Indigenous Peoples in settler societies. Ownership can be inferred from different general principles and we considered three key principles: autochthony (entitlements first arrival), investment working land), formation (primacy forming c...

The accumulation of cesium-137 by the cap and stalk fruiting bodies Leccinum aurantiacum (Bull.) Gray from podzolic soil an aspen forest 30-35 years old was compared with spruce undergrowth, which resumes after felling damage to litter. average specific activity caesium-137 for dry caps is 1589±85 Bq/kg stems 879±72 Bq/kg. It has been established that does not exceed allowable values. coefficie...

Abstract Adolescents’ use of tobacco is a worldwide problem due to the negative consequences on their physical and psychosocial development. One contextual variable related family conflict. Previous research has suggested that relationship between conflict could be mediated by personality traits. The aim this study examine direct indirect effects (conventional electronic cigarettes) through spe...

In the current study incidence of food impaction between implant-supported fixed dental prostheses and adjacent teeth was determined factors that influence were identified. Seven hundred seventy-nine implant prosthetic crowns 879 sites from a pool 489 patients retrospectively studied. Food existed in 16.6% with restorations at follow-up evaluations. occurred more frequently on mesial aspect pro...