Travelling waves are a feature of many spatio-temporal series. The use of single side band filtering and the complex singular value decomposition to isolate such waves is described. As with other applications of the singular value decomposition, such as principal components, the results can be difficult to interpret. In the case of travelling waves, however, a dynamic graphical display using co...

In the present study, the potency and immunogenicity of the inactivated bivalent vaccine of Newcastle disease (ND) and avian influenza (AI) produced by Razi institute in Iran were compared with a similar imported vaccine administered by standard methods to specific-pathogen-free (SPF) chicken. A total of 150 twenty-one-day-old SPF chickens were used for evaluating Razi and imported inactivated ...

conclusions the sex differences in the neuroanatomy of the human mirror neuron system affect functional recovery of patients with hemiparesis. the improvement in studied women was found to be significantly greater than studied men. the results indicate a higher chance of recovery among hemiparetic women, especially those watching functional movies. results comparison of all variables related to...

Abstract Past experiences influence choices, and people's preferences for more similar (habit‐forming) or different (variety‐seeking) are reflected in these choices. We develop a structural estimation framework to capture whether people habit forming variety seeking apply it the choice of recreation site. This research contributes revealed preference literature by demonstrating how account vari...

background: excessive and uncontrolled television watching by children predisposes them to some risks such as developmental, social and psychological disorders. parents play an important role in nurturing their children and controlling the factors affecting their health. the aim of this study was to determine the impact of health education programs on parents' supervision skills to control thei...

Ecotourists have high potentials to spread ecological awareness, while they maintain quality tourism and learn how to respect and preserve the natural environment. Knowledge is an important prerequisite to predict future attitudes and connect tourists with nature. Ecotourism focuses on areas with rare flora and fauna. Lesvos Island hosts rare species which attract numbers of bird watchers yearl...

background:leisure time activity is an important life-style habit. this study aims to determine the screen time ofa nationally representative sample of iranian children and adolescents. methods:this nationwide cross-sectional study was conducted as part ofthe fourth survey of a surveillance system. the participants consisted of 14880 students, with aged range from 6 to 18 years, living in 30 pr...