نتایج جستجو برای: stress functions
تعداد نتایج: 911789 فیلتر نتایج به سال:
antioxidant are the agents which dispose / scavenge the reactive oxygen species, minimize the oxidative stress / lipid peroxidation and ultimately improve the fertilizing potential of the spermatozoa. currently, many antioxidants are under investigation and manganese is one of them in reducing the oxidative stress both in male and female. the antioxidative action of manganese (mn2+) on various ...
اجزا بدنه خودرو عموما در معرض بارهای نامتناسب قرار دارند. از آنجا که تخمین عمر اجزا سازه و بدنه خودرو عموما به تغییر وزن و شتاب خودرو و هزینه ساخت و مسائل ایمنی و استحکام و عمر سازه منتهی می گردد، در صنایع طراحی و ساخت خودرو از اهمیت ویژه ای برخوردار است. تئوری های ارائه شده در این زمینه عموما برای اجزاسازه ای تحت بارهای بسیار ابتدایی سینوسی و هندسه اولیه ارائه شده اند، به گونه ای که عمر قطعات ...
Background and Objectives: Role of different parts of the brain in stress management, especially nucleus accumbens (NAc), is not well known. In this study the role of NAc in response to chronic stress in male mice were evaluated. Materials and Methods: In this experimental study, intra-accumbal uni- and bi-lateral cannulation was performed by stereotaxic instrument. Five minutes before stres...
increased level of stress has negative effects on cognitive functions. thus, it is necessary to identify appropriate strategies to prevent cognitive and motor performance decline. the aim of this research was to study the effect of immobilization stress on learning and memory and the protective role of physical activity in them. from male albino-wistar rats of pastor institute, 32 rats were ran...
Objectives: Nonsuicidal self-injury (NSSI) is an issue primarily of concern in adolescents and young adults. The Ottawa Self-Injury Inventory (OSI) is a self-report measure that offers a comprehensive assessment of nonsuicidal self-injury (NSSI), including measurement of its functions and addictive features. Thus, this study seeks to evaluate the psychometric properties of the Ottawa Self-Injur...
in this thesis, we consider a mathematical model of cancer with completely unknown parameters. we study the stability of critical points which are biologically admissible. then we consider a control on the system and introduce situations at which solutions are attracted to critical points and so the cancer disease has auto healing. the lyapunov stability method is used for estimating the un...
Background: Metabolic derangements in type 2 diabetes mellitus (T2DM) are likely to affect skeletal muscle contractile functions adversely. Levo-carnitine improves muscle contractile functions in healthy humans and rats and corrects metabolic derangements in T2DM. Therefore, it is likely to improve muscle contractile functions in T2DM as well. This study was designed to determine the effect of ...
Over a century of behavioral research has shown that stress can exert both positive and negative effects on memory. We have explored the idea that the complex effects of stress on learning and memory can be characterized by hormeticand non-hormetic dose-response functions, in which stress may either stimulate or impair brain memory mechanisms, depending, in part, on the timing and duration of t...
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