نتایج جستجو برای: bioelectric impedance analysis
تعداد نتایج: 2851470 فیلتر نتایج به سال:
Bioelectrical impedance analysis (BIA) is a noninvasive and relatively inexpensive method of assessing body composition. Manufacturers of BIA technology recommend to avoid testing women when they perceive to be retaining water during the menstrual cycle. The purpose of the present investigation was to examine the effect of the menstrual cycle on body composition determined by contact-electrode ...
BACKGROUND Few large studies in China have investigated total physical activity and sedentary leisure time and their associations with adiposity. OBJECTIVE We investigated determinants of physical activity and sedentary leisure time and their associations with adiposity in China. DESIGN A total of 466,605 generally healthy participants (age: 30-79 y, 60% female) in the China Kadoorie Bioban...
BACKGROUND AND AIMS Bioelectrical impedance analysis (BIA) is a widely used technique to assess body composition and nutritional status. While bioelectrical values are affected by diverse variables, there has been little research on validation of BIA in acute illness, especially to understand prognostic significance. Here we report the use of BIA in acute febrile states induced by influenza. ...
the methods which are used to analyze microstrip antennas, are divited into three categories: empirical methods, semi-empirical methods and full-wave analysis. empirical and semi-empirical methods are generally based on some fundamental simplifying assumptions about quality of surface current distribution and substrate thickness. thses simplificatioms cause low accuracy in field evaluation. ful...
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