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In the present research, performance validation of a Heating, Ventilation, and Air Conditioning (HVAC) system operating in a library building was conducted. The operating HVAC system was studied in terms of the provided indoor air conditions and energy consumption level. The fieldwork measurements showed that the HVAC system is not capable of providing the desired indoor air conditions based on...
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trauma is a leading cause of death and disability especially amongst young people. road traffic crash–related death, injury, and chronic disability continue to be a major worldwide burden to drivers, pedestrians and users of mass transit, especially in low- and middle-income countries(lmic). projections predict worsening of this burden, and while motorization of lmic increases exponentially, a ...
abstract background: in this study our purpose was to determine whether 8 and/or 12 hour urine total protein values correlate with the 24 hour value to confirm the diagnosis of pre-eclampsia. methods: the study population included 70 inpatients with hypertensive disorders of pregnancy. patient's urine was collected over 24 hours with the first 8 hours, next 4 hours, and remaining 12 hours in se...
Background: There are different types of shift work programs, each of them has its pros and cons. The purpose of this study was to compare sleep and mental performance in 12-hour and 8-hour shift works. Methods: In this longitudinal study, 61 workers from 187 shift workers in one of oil refinery plants were chosen. They were supposed to work in a schedule of 12- hour shift works for 6 months a...
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