the use of mammography film-screen is limited in general radiography. the purpose of this study was to compare the effectiveness of mammographic film-screen and standard film-screen systems in the detection of small bone fractures. radiographs were taken from patients' extremities and neck areas using mammography film-screen and standard film-screen (n=57 each). fourteen other radiographs were ...

A high number of HIV positive babies are born each year, whereas by highly effective preventive measures, the risk of mother-to-child transmission can be decreased significantly. There are different methods (for example mandatory versus voluntary) for HIV screening in pregnant women, but there are debates on conducting HIV testing by these methods. One of the most important issues in this field...

In this paper, the new paradigm of the second screen in interactive digital television (iDTV) is discussed and analyzed through a systematic literature review. An architecture is proposed for the use of mobile devices as a second screen, so interactivity sent via broadcast can be also used in mobile devices, in a contextualized and synchronized fashion. A prototype was implemented in two module...

Each new medium (from print to television) has introduced a series of ratings technologies which, predominantly, quantifies the audience as passive commodity, i.e., as a number which is “delivered” by the broadcasters and “bought” by the advertisers. New electronic media demand a representation of audience that breaks with the traditional audience-as-commodity representation. Contemporary telev...

The commercial success of color sequential displays is limited by the fact that people perceive multiple color images during pursuit and saccadic eye movements. We conducted a psychophysical experiment to quantify visibility of these color artifacts for different saccadic speeds, display background brightness, and target size. An Infocus sequentialcolor projector was placed behind a projection ...

conclusions our research determined an association between screen time, physical activity and rbmi. screen time was a prominent predictor of rbmi in children. it is important for health workers to decrease screen time of children to prevent the prevalence of being overweight and obesity. patients and methods in this cross sectional descriptive study we randomly selected 302 students, from all d...

conclusion despite multiple exposures, ed control is more effective if wss is performed using apmdr in the aec mode. results using apmdr, the mean number of exposures was 6.1 for ap and 6.5 for lat projections. lat projections required more exposures (6.55%) than ap projections. the mean ed was 0.6276 msv (ap) and 0.6716 msv (lat). the mean ed for lat projections was 0.6061 msv in automatic exp...

Covering thermal screen on the front roof is one of most general methods to improve performance solar greenhouse in China. Thermal control, however, operator-dependent and based empirical strategies. In order more effectively manage screen, an optimal control method radiation temperature difference between indoor outdoor was established. The influence different factors systematically analyzed f...