نتایج جستجو برای: ashrae 52
تعداد نتایج: 82178 فیلتر نتایج به سال:
Every year, 536,000 women die from pregnancyrelated causes. More than 80 percent of maternal deaths worldwide are due to five direct causes: hemorrhage, sepsis, unsafe abortion, obstructed labor and hypertensive disease of pregnancy. The latest report from the Confidential Enquiries into Maternal Deaths (UK) lists eclampsia and pre-eclampsia as the second most common cause and showed an increas...
Background: Insulin increases endothelial nitric oxide (NO) production by activating endothelial nitric oxide synthase (eNOS) through protein kinase B (Akt)-mediated phosphorylation of serine residue 1179 (p-eNOS serine 1179). Because fatty acids modulate insulin-stimulated Akt signaling cascades in smooth muscle cells, we hypothesized that fatty acids would differentially regulate endothelial ...
The authors tested whether a simple model based on the cancellation of the rate of change in bearing angle could account for the behavioral adaptations produced when individuals intercept moving balls while walking. In Experiment 1, the place of arrival of the ball and the angle of approach were varied. In accord with the model, velocity regulations were earlier and more pronounced the larger t...
سازمان مجاهدین خلق در مهر ماه سال هزارو سیصد و چهل وچهار شمسی تشکیل شد.رهبران سازمان محمد حنیف نزادو سعید محسن و عبدالرضا نیک بین رودسری می باشد.سازمان اعضایی را برای آموزش نظامی به فلسطین فرستاد که تعدادی از آنان در دبی دستگیر شدندند.سازمان برای رهایی آنان دست به هواپیماربایی زد.سازمان در شهریور پنجاه توسط ساواک ضربه خورد.فقدان کادرهای همه جانبه زمینه تغییر ایدئولوژی سازمان را فراهم کرد.
For this study, empirical data on the thermal comfort parameters (i.e. room space temperature, velocity and relative humidity) was collected for the computation of the PMV and PPD thermal comfort index for the three flat types. The study shows that wind ventilation has a great effect on the interior comfort condition. This is evident from the diurnal variations of PMV values. Majority of the da...
The faulty operation of Heating Ventilation and Air Conditioning (HVAC) systems in commercial buildings can waste vast amounts of energy, cause unnecessary CO2 emissions and decrease occupant thermal comfort, reducing productivity. We propose a new method of automating Fault Detection and Diagnosis (FDD), based on the modelling of operational faults in HVAC subsystems, using techniques from sta...
The U.S. Environmental Protection Agency (EPA) and the U. S. Consumer Product Safety Commission (1995) stated that people spend about 90 percent of their time indoors and various aspects of indoor environment affect the occupant`s well-being and performance. This resulted in the development of various standards to improve indoor environmental quality (IEQ) in recent years. Iranian spend Approxi...
Data center is a vital location that must be managed. The room contains central devices are essential for operational continuity of the information system. Like PT Pamapersada Nusantara data center, this needs to maintained according standards. One thing temperature, humidity, and electricity because they have direct impact on IT equipment can potentially fatal if not in standard conditions. Me...
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