In polar semiconductors and oxides, the long-range nature of the electron-phonon (e-ph) interaction is a bottleneck to compute charge transport from first principles. Here, we develop an efficient ab initio scheme to compute and converge the e-ph relaxation times (RTs) and electron mobility in polar materials. We apply our approach to GaAs, where by using the Boltzmann equation with state-depen...

BACKGROUND In the area of youth health, peers education is an approach to health promotion. Assess the training needs of peers educators clarifies the components, values, and quality of training protocols. Aim to that we conducted a participatory educational needs assessment of youth peer educators. METHODS Involving youth and key informants in direct collaboration with research team, a quali...

AIM To determine antiandrogen effects on muscle strength gain and fat-free mass increase during exercise in women using hormonal contraception with antiandrogen content. METHODS The study included 50 women (age range, 18-30 years; mean-/+SD, 26-/+3) using hormonal contraception for at least 12 months before the beginning of the study. They were divided into two groups: "antiandrogen" group (n...

Background and Study Aim. The aim of the study is to investigate effects 8-week core plyometric training on body composition athletic performance in young male soccer players.
 Material Methods. 24 players participated voluntarily. subjects were randomly divided into three separate groups: Core group (CTG), (PTG) control (CG). In addition two days a week for 8 weeks, was applied according ...