نتایج جستجو برای: aging
تعداد نتایج: 103665 فیلتر نتایج به سال:
The skin is a physical barrier that protects our body against various environmental, chemical and agents, the main organ easily visible as time progresses. Aging dynamic, progressive undesirable biological process unfortunately cannot be stopped, according to present knowledge. Intrinsic aging (chronological, spontaneous aging) programmed natural process, while extrinsic (environmental photoagi...
This paper describes the aging behavior of the oil impregnated repulped cellulose and compares it with the aging behavior of the oil impregnated standard cellulose. In order to evaluate the reliability of using repulped cellulose in transformers, the accelerated aging process was applied to both types of cellulose by increasing the temperature to 150 °C and their aging behavior was studied and ...
Background and Aim: The recently emerged symptoms of population aging have raised serious concerns in some developed countries. A recent report by the United Nations (UN) indicates that aging is more rapidly growing and is even more serious in developing countries than it is in certain other countries. Therefore, this study is aimed to determine the impression of aging on non-oil economic g...
In this article aging behavior of composite solid propellant was investigated by determining its mechanical properties at elevated temperatures. For this purpose, three HTPB samples with different microstructures were selected and composite solid propellants were prepared based on them keeping similar other components and aging was studied by accelerated method. Mechanical properties were meas...
Theories on neural compensation suggest that aged participants overactivate the brain areas involved in a task to compensate for the age-related decline. In this electrophysiological study, we investigated the temporal locus of neural overactivation in aging during multiple target processing. We measured performance and three event-related brain potential responses (N1, N2pc, and contralateral ...
Objectives The study aimed at performing a comparative analysis of the aging population in European and Asian countries during 1950 and 2015. Methods & Materials This study has been conducted through a secondary analysis, and the data for 90 European and Asian countries were derived from the UN Population division. The used statistical method was history of survival analysis. The statistical p...
Objectives Considering the migration age pattern and the aging trend in Iran, this study aims to investigate the migration effect on the aging spatial distribution of the country during 2006-2016. Methods & Materials This study is a secondary and descriptive-analytical analysis. The source used is the data of the general population and housing census and the analysis unit is the counties of th...
introduction: urinary incontinence (ui) is high prevalent in older women. little is known about how they manage with this chronic condition from their points of view. the aim of this study was to explore older women’s experiences of management strategies in dealing with urinary incontinence. methods: eight community dwelling women aged 60 and over, with long term ui participated in this qualit...
this article is aimed to explain sociologically active aging with emphasizing the social capital in esfahan. the present research is a survey and in terms of purpose is a practical type of cross-sectional study. the population is all elderly over 60 years in esfahan in 2015. the sample size is selected by using cochran formula to 384 subjects and a quota sampling method is done by focusing the ...
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