نتایج جستجو برای: lack of concentration
تعداد نتایج: 21175937 فیلتر نتایج به سال:
198 lactic acid bacteria (lab) were isolated from iranian milk samples. almost all isolatedlab showed inhibitory activity towards e. coli and s. aureus as gram negative and grampositive indicators, respectively. no role was observed for hydrogen peroxide in the activity ofall isolated strains while organic acids proved a prominent role in all detected inhibitoryactivities. within isolated lab, ...
back ground and purpose: air pollution in cities thorough the world, is a complex mixture of poisonous compounds which are always combustion products particulate matters (pm) are instant member of this mixture. despite wide spectrum health effects of pm, effects on death seem to be the most important one. the main purpose of this study was to estimate number of cardio pulmonary death in adults ...
Introduction: Lack of concentration in classroom is considered to be one of the most prevalent educational problems throughout education. The aim of this study is to discover and determine factors contributing to the students’ concentration in order to improve the level of concentration and quality of education. Methods: In this descriptive cross-sectional study, the sample included all medica...
Introduction: Various factors affect the employees' health and well-being in the workplace. The present study aimed to examine the outbreak of Sick Building Syndrome (SBS) and the role of factors and parameters affected by the architecture design of Urmia Roads and Urban Development building (e.g., thermal comfort, Indoor Air Quality (IAQ), noise, lighting, layout design-ergonomics, and design ...
The general solution of the equations for a homogeneous isotropic microstretch thermo elastic medium with mass diffusion for two dimensional problems is obtained due to normal and tangential forces. The Integral transform technique is used to obtain the components of displacements, microrotation, stress and mass concentration, temperature change and mass concentration. A particular case of inte...
sleeping through different mechanism causes the removal of fatigue and regaining power to start daily activities. sleep with high quality plays an essential role in body and mental health. the previous studies indicated that problems derived from sleeping can lead to the emergence of many physical and mental disorders, including lack of appetite, physical and mental tiredness, lack of concentra...
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