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Tuyển tập báo cáo các nghiên cứu khoa học quốc tế ngành hóa học dành cho các bạn yêu hóa học tham khảo đề tài:Hydration status and physiological workload of UAE construction workers: A prospective longitudinal observational study | Journal of Occupational Medicine and Toxicology BioMed Central Research Hydration status and physiological workload of UAE construction workers A prospective longitudinal observational study Graham P Bates f1 and John Schneider 2 Open Access Address 1School Public Health Curtin University Perth Australia and 2Department of Community Medicine Faculty Medicine and Health Sciences UAE University Al Ain United Arab Emirates Email Graham P Bates - g.bates@curtin.edu.au John Schneider - j.schneider@uaeu.ac.au Corresponding author fEqual contributors Published 18 September 2008 Received 30 January 2008 _ AA __J -r.AAAO - .AI J.IA I I oz 111 f ZZ-7A - Al Accepted 18 September 2008 Journal of Occupational Medicine and Toxicology 2008 3 21 doi l0.ll86 l745-6673-3-2l This article is available from http www.occup-med.cOm content 3 l 2l 2008 Bates and Schneider licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License http creativecommons.org licenses by 2.0 which permits unrestricted use distribution and reproduction in any medium provided the original work is properly cited. Abstract Background The objective of the study was to investigate the physiological responses of construction workers labouring in thermally stressful environments in the UAE using Thermal Work Limit TWL as a method of environmental risk assessment. Methods The study was undertaken in May 2006. Aural temperature fluid intake and urine specific gravity were recorded and continuous heart rate monitoring was used to assess fatigue. Subjects were monitored over 3 consecutive shifts. TWL and WBGT were used to assess the thermal stress. Results Most subjects commenced work euhydrated and maintained this status over a l2-hour shift. The average fluid intake was 5.44 L. There were no changes in core temperature or average heart rate between day l and .
