the purpose of the present study was to investigate mental health status in physical education teachers (pet) and non-physical education teachers (npet) based on demographic characteristics. 403 teachers consisting of 105 pets and 298 npets from west azerbaijan province were selected by multiphase cluster sampling method and completed mental health inventory (mhi). the results of the study reve...

mixing conditions of nbr/pvc nanocomposites such as mixing temperature, rotor speed and mixing time are determining parameters in rheological, mechanical and morphological properties of the compound. three levels were chosen for each parameter using design expert software via box-behnken method. the nanocomposite samples were melt-mixed in brabender internal mixer. the effect of various mixing ...

Identification, authentication, and integrity checking are important tasks for ensuring the security and protection of valuable objects, devices, programs, and data. The utilization of the microscopic, random and unclonable disorder of physical media for such security tasks has recently gained increasing attention. Wherever applicable, the harnessing of disorder can lead to intriguing advantage...

We employ physical properties of the real world to design a protocol for secure information transmission where one of the parties is able to transmit secret information to another party over an insecure channel, without any prior secret arrangements between the parties. The distinctive feature of this protocol, compared to all known public-key cryptographic protocols, is that neither party uses...

background: the purpose of this study was to investigate the association between physical inactivity and academic record in korean adolescents. methods: adolescent students from the first grade of middle school to the third grade of high school (n=75,066) participated in the 5th korea youth risk behavior web-based survey project in 2009. the association between physical inactivity and academic ...

Physical education is an essential part of a child’s education. With the extensive reform in recent years, old physical teaching mode now faces situation low efficiency, student learning interest, and lack classroom participation, which incompatible with spirit modern needs social development. Smart classrooms are emerging to meet demands new curriculum reform. good concept: should reflect expe...

Physical health is influenced by various factors including religion. There are many questions regarding the impact of religious activities on physical health. Therefore, the aim of this study was to find the correlation between physical health and religion. Various databases including PubMed, Ovid, and Medline were investigated. Considering the inclusion criteria, 50 studies were found using th...