نتایج جستجو برای: bulb globe temperature wbgt
تعداد نتایج: 494133 فیلتر نتایج به سال:
BACKGROUND Chronic heat stress and dehydration from strenuous work in hot environments is considered an essential component of the epidemic of chronic kidney disease in Central America. OBJECTIVE (1) To assess feasibility of providing an intervention modelled on OSHA's Water.Rest.Shade programme (WRS) during sugarcane cutting and (2) to prevent heat stress and dehydration without decreasing p...
It is well established that high ambient heat could cause congenital abnormalities resulting in miscarriage or stillbirth among certain species of mammals. However, this has not been systematically studied in real field settings among humans, despite the potential value of such knowledge for estimating the impact of global warming on the human species. This study sought to test the hypothesis t...
Objective. To analyze the climate in last thirty years Northwest of Minas and its impacts on dairy production. Materials Methods. The database National Institute Meteorology was used during period from 1985 to 2017 cities Unaí, Paracatu, Arinos Formoso/MG. For each month year, average minimum temperature (Tmin), maximum (Tmax), relative humidity (RH), Temperature Humidity Index (THI), Wet-bulbe...
Colonial Revival style residences have unique architectural features amongst others. They are common multi-family in the United States with no or limited information about their performance. The research purpose is to assess indoor comfort, energy performance, and thermal indices residences. questions include (i) Do buildings perform better than other old buildings? (ii) consume additional elec...
BACKGROUND The aim of this study was to determine heat stress effect on physical capacity of semi-professional footballers in Iran by means of oxygen consumption measurement, heart rate monitoring and WBGT assessment environmental conditions. METHODS This study compared two different thermal environmental conditions related to sub-maximal exercise and its effect on human physical capacity. Th...
OBJECTIVES This report describes physiological and behavioural mechanisms behind the control of body temperature and thermal comfort during competitive singles tennis. METHODS Thermoregulatory responses and workload were observed during "best of three sets" tennis matches among 25 players. In total, 94 matches were played in ambient temperatures ranging from 14.5 to 38.4 degrees C. The therma...
Introduction: Thermal stress risk management requires the development of applied indicators. The purpose of this study was to evaluate the performance of the two indicators including WBGT and TWL and their fit with the tympanic temperature. Method: This cross-sectional study was carried out on 101 urban service personnel in a heat and dry area in 2016. The measurements of the study indices inc...
AIMS To assess whether workers under significant thermal stress necessarily dehydrated during their exposure and whether "involuntary dehydration" was inevitable, as supported by ISO 9866 and other authorities. Other objectives were to quantify sweat rates against recommended occupational limits, to develop a dehydration protocol to assist with managing heat exposures, and to understand the rol...
This study examined fluid intake, weight changes, and palatability of water and a carbohydrate-electrolyte (ECHO) beverage in two groups of eight subjects performing 4 hours of simulated industrial work while wearing impermeable protective clothing. Subjects also rated the palatability of a flavorless orange-colored water and four commercially available orange-flavored fluid-replacement drinks....
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