نتایج جستجو برای: suppression rate
تعداد نتایج: 1057852 فیلتر نتایج به سال:
it has been recognized that acute and chronic stress has an impact on the immune system. acute stress may have a stimulating effect on the immune system, while in the case of chronic stress specially depression, the immune system could be down-regulated. however, an association between depression and a higher number of circulating white blood cells with increased activity has been reported. ele...
employees always concern about losing their job , or in other word , losing their income resources. for this purpose, every government requires strong system for covering these concerns. the unemployment insurance (ui) program’s can be used for achieving this goal. in this thesis, we price ui based on the insurance history of employee and the duration of being unemployed. we use the weibull dis...
the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...
When ventricular pacemakers are electrically stimulated at a fast rate, the cessation of the drive is followed by a temporary suppression of automaticity ("overdrive suppression"). The role of the sympathetic system in the regulation of this overdrive suppression was studied and the following results obtained: 1) Hypotension induced during overdrive by amyl nitrite inhalation caused a shortenin...
When ventricular pacemakers are electrically stimulated at a fast rate, the cessation of the drive is followed by a temporary suppression of automaticity ("overdrive suppression"). The role of the sympathetic system in the regulation of this overdrive suppression was studied and the following results obtained: 1) Hypotension induced during overdrive by amyl nitrite inhalation caused a shortenin...
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