2007, Piran, Slovenia

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Environmental Ergonomics XII Igor B. Mekjavic, Stelios N. Kounalakis & Nigel A.S. Taylor (Eds.), © BIOMED, Ljubljana <strong>2007</strong> Pre-trial preparation 230 4 × 16:30 (min:sec) cycles (includes 30 sec transfer time between manual tasks) Treadmill walking (4 km.hr -1 Manual Crawling Arm Psychological activity and ergometry tests and seated ) (moving weights) searching (unloaded) physical rest 0 3 5 7 10 15 Time (min) Figure 1: EOD activity sequence. Posttrial cooling RESULTS Wearing an EOD suit significantly increased physiological strain (HR; P
39.0 38.5 38.0 37.5 37.0 36.5 40.0 39.5 39.0 38.5 38.0 37.5 37.0 36.5 B1 B2 8.30 11.30 25.00 28.00 41.30 44.30 58.00 66.00 POST Time (min) B1 B2 8.30 11.30 25.00 28.00 41.30 44.30 58.00 66.00 POST Time (min) Personal protective equipment Figure 3: Group (A; n=4) and individual (B; expert subject) core and mean skin temperatures. Error bars are omitted for clarity. DISCUSSION This small scale investigation has demonstrated a dramatic increase in physiological strain when undertaking activities in an EOD suit. Physiological benefits of cooling ambient air, via a dry ice based device, prior its circulation within an EOD suit combined with wearing a lighter weight trouser designed to optimise thermal comfort and mobility was demonstrated in hot conditions. Further studies to address the relationship between thermal variables and perceived thermal strain are warranted. Methodological aspects that require further development include the standardisation of work rate and hence metabolic heat load during ‘manual handling’ and ‘search and crawl’ activities; and increased sensitivity of psychological assessments. REFERENCES Borg, G., 1970. Perceived exertion as an indicator of somatic stress. Scandavian J of Rehab Med 2-3, 92-98. Cheung, S. S., McLellan, T. M. and Tenaglia, S., 2000. The Thermophysiology of Uncompensable Heat Stress. Physiological Manipulations and Individual Characteristics. Sports Med. 29, 329-359. Hanson, M. A., 1999. Development of a Draft British Standard: the Assessment of Heat Strain for Workers Wearing Personal Protective Equipment. Annals of Occupational Hygiene 43, 309-319. Ramanathan, N. L., 1964. A new weighting system for mean surface temperature of the human body. J App. Physiol. 19, 531-533. Roach, R. C., Bärtsch, P., Hackett, P. H., and Oelz, O., 1993. The Lake Louise acute mountain sickness scoring system. In: Hypoxia and Mountain Medicine. J.R.Sutton, C.S.Houston, and G.Coates, eds. Queen City Printers, Burlington, VT. pp. 272-274. 39.0 38.0 37.0 36.0 35.0 34.0 33.0 32.0 39.0 38.0 37.0 36.0 35.0 34.0 33.0 32.0 B1 B2 8.30 11.30 25.00 28.00 41.30 44.30 58.00 66.00 POST Time (min) B1 B2 8.30 11.30 25.00 28.00 41.30 44.30 58.00 66.00 POST Time (min) 231
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ENVIRONMENTAL ERGONOMICS XII Procee
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ENVIRONMENTAL ERGONOMICS XII Procee
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International Conferences on Enviro
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TABLE OF CONTENTS Table of contents
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Table of contents ALTITUDE ATTENUAT
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Table of contents TOWARDS PREVENTIO
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Table of contents RATE AFFECT EXERC
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Table of contents Uroš Dobnikar, S
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Table of contents TO A HOT ENVIRONM
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Table of contents Andreas D. Flouri
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Table of contents PHYSICAL FITNESS
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Table of contents ESTIMATION OF THE
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Herman Potocnic Lecture the advanta
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Invited presentation Gravitational
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Gravitational Physiology SKELETAL M
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Lf (mm) 50.0 40.0 30.0 20.0 10.0 Fa
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Gravitational Physiology maximum is
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Gravitational Physiology THERMOREGU
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Gravitational Physiology THE EXERCI
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Gravitational Physiology Since exer
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Gravitational Physiology During the
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Gravitational Physiology CARDIOVASC
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as observed at rest after LBNP was
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Gravitational Physiology THERMOREGU
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Gravitational Physiology THE EFFECT
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Gravitational Physiology Fortney SM
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Gravitational Physiology Contractil
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Gravitational Physiology Edgerton V
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Diving Physiology A library of imag
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Diving Physiology Information recal
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Diving Physiology RESULTS Figure 1
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Diving Physiology sensitivity is no
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Diving Physiology Physiological Mea
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Diving Physiology same sequence. Th
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Diving Physiology HYPERVENTILATION
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Diving Physiology software. Individ
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Diving Physiology REFERENCES IMCA.
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Diving Physiology recorded (MIE Med
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Diving Physiology DISCUSSION The ma
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Altitude Physiology vastus laterali
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Altitude Physiology IS INTERMITTENT
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Altitude Physiology Table 2: Lactat
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Altitude Physiology CARBOHYDRATE IN
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Altitude Physiology Figure 1: Mean
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Altitude Physiology HYPOXIA INDUCED
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Altitude Physiology Figure 1. Mean
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Altitude Physiology ANALYSIS OF MUS
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SOL MG TA BF VM Altitude Physiology
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Altitude Physiology LOAD CARRIAGE I
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Table 2: Differential ratings of pe
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Altitude Physiology EFFECTS OF INTE
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Cerebral deoxy-Hb (delta, µM) Cere
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Altitude Physiology ENDURANCE RESPI
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Altitude Physiology Wylegala JA, Pe
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Invited presentation Cognitive and
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Cognitive and Psycophysiological Fu
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Page 125 and 126:
Page 127 and 128:
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Cognitive and psychophysiological f
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CLOTHING AND TEXTILE SCIENCE 131
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Clothing SPACER FABRICS IN OUTDOOR
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F i / g m -2 4,0 3,5 3,0 2,5 2,0 1,
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Clothing TOTAL EVAPORATIVE RESISTAN
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9,0 8,0 7,0 6,0 5,0 4,0 3,0 2,0 1,0
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Clothing DIFFERENCES IN CLOTHING IN
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Clothing parallel It values ranged
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Clothing CORRELATION BETWEEN SUBJEC
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Clothing and left side chest, scapu
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Clothing studies using an ice vest
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Insulation (Clo) (Clo) Clo / kg 6 5
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Clothing EFFECTS OF MOISTURE TRANSP
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Clothing the P plots above 60%RH (p
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Clothing EFFECT OF CLOTHING INSULAT
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Clothing EFFECTS OF QUILT AND MATTR
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38 33 28 23 18 0 30 60 90 120 150 m
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Clothing German) were measured, and
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Clothing Metabolism decreased and w
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Clothing Table 1. Comparison of ski
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Clothing PHYSIOLOGICAL RESPONSES AT
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Clothing underwear at 25 °C in per
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Clothing REDUCTION OF HEAT STRESS I
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Clothing THE INTERACTION BETWEEN PH
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Relative humidity (%) Clothing Figu
Page 179 and 180: Clothing DEVELOPMENT OF THE “WEAR
Page 181 and 182: Clothing EFFECTS OF AIR GAPS UNDER
Page 183 and 184: Temper at ur e( ˇ ć) 28.5 27.5 26
Page 185 and 186: Personal protective equipment Invit
Page 187 and 188: Personal protective equipment fabri
Page 189 and 190: Personal protective equipment PHYSI
Page 191 and 192: Mean skin temperature (ºC) 38.0 37
Page 193 and 194: Personal protective equipment the S
Page 195 and 196: Personal protective equipment DISCU
Page 197 and 198: Personal protective equipment Final
Page 199 and 200: Personal protective equipment REFER
Page 201 and 202: Personal protective equipment Tc wa
Page 203 and 204: Personal protective equipment level
Page 205 and 206: F i / g m -2 300 250 200 150 100 50
Page 207 and 208: h M / % 90 80 70 60 50 40 activity
Page 209 and 210: Personal protective equipment 0.05
Page 211 and 212: Personal protective equipment was u
Page 213 and 214: Personal protective equipment THERM
Page 215 and 216: Personal protective equipment the s
Page 217 and 218: Personal protective equipment the c
Page 219 and 220: Personal protective equipment wette
Page 221 and 222: Table 1 1. Properties of the tested
Page 223 and 224: Personal protective equipment HEAT
Page 225 and 226: Personal protective equipment Profi
Page 227 and 228: Personal protective equipment PHYSI
Page 229: Personal protective equipment REDUC
Page 233 and 234: Personal protective equipment EXERC
Page 235 and 236: Personal protective equipment appro
Page 237 and 238: Personal protective equipment Table
Page 239 and 240: Personal protective equipment reduc
Page 241 and 242: Invited presentation Non-thermal fa
Page 243 and 244: Non-thermal factors heat loss by al
Page 245 and 246: Non-thermal factors DOES A FATIGUE-
Page 247 and 248: Non-thermal factors cycling, despit
Page 249 and 250: Non-thermal factors INDIVIDUAL VARI
Page 251 and 252: Non-thermal factors to some categor
Page 253 and 254: Non-thermal factors RATES OF TOTAL
Page 255 and 256: Non-thermal factors CHANGES IN BLOO
Page 257 and 258: Non-thermal factors Table 1. Thresh
Page 259 and 260: Non-thermal factors THE DIFFERENCE
Page 261 and 262: Water intake(g) 2000 1800 1600 1400
Page 263 and 264: Non-thermal factors IMPROVED FLUID
Page 265 and 266: Non-thermal factors A tendency for
Page 267 and 268: Sweating Table 1: Sweat gland count
Page 269 and 270: Sweating Taylor, N.A.S. (2000). Reg
Page 271 and 272: Sweating back/waist area and finall
Page 273 and 274: Figure 1: A chrome dome following p
Page 275 and 276: Sweating Such differences could be
Page 277 and 278: Sweating the forearm and thigh skin
Page 279 and 280: Sweating dramatically after puberty
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Sweating In addition local sweating
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Sweating REGIONAL FOOT SWEAT RATES
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Sweating REGIONAL SWEAT RATES OF TH
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Sweating Figure 2 shows the skin te
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Sweating SWEATY HANDS: DIFFERENCES
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Sweating Figure 2: Inter-site sweat
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Sweating REGIONAL DIFFERENCES IN TO
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Sweating Figure 2: Inter-site sweat
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Sweating MENSTRUAL CYCLE DOES NOT A
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Sweating RESULTS On average, the ma
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Sweating THE SWEAT SECRETION AND SO
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Sweating Figure 1: A quadrant diagr
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Invited presentation FINGER COLD IN
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Cold physiology INTRA-INDIVIDUAL DI
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Cold physiology number was estimate
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Cold physiology cold receptors decr
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Cold physiology EFFECT OF URAPIDIL
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Cold physiology THE EFFECT OF EXERC
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TRAINABILITY OF COLD INDUCED VASODI
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Cold physiology REFERENCES Adams, T
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Cold physiology THE EFFECT OF REPEA
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Cold physiology THE EFFECT OF ALTIT
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Cold physiology SKIN SURFACE MENTHO
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Cold physiology COGNITIVE PERFORMAN
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Seconds 6.5 6.0 5.5 5.0 4.5 4.0 3.5
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Cold water immersion REFERENCES Mek
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Cold water immersion the formula: M
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Cold water immersion REFERENCES Cho
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Cold water immersion were: 1 metre
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Cold water immersion surf beaches.
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Cold water immersion Table 1. Break
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Cold water immersion ARM INSULATION
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Cold water immersion RESULTS Experi
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Cold water immersion thermogenesis
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Cold water immersion The other comp
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Cold water immersion REFERENCES And
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Thermal comfort THERMAL SENSATIONS
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Exer - cise PC Wind (m·s -1 ) 0 ne
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Thermal comfort and heart rate usin
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Thermal comfort A NEW METHOD FOR EV
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Thermal comfort DEVELOPMENT OF AN I
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Thermal comfort DISCUSSION This new
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Thermal comfort limit of exposure d
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Table 2: Statistical summary. Gende
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Thermal comfort comfortable”), wh
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Thermal comfort RELATION BETWEEN TH
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Thermal comfort Figure 2. Skin wett
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Thermal comfort THE EVALUATION OF T
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Temp.ˇ ]˘ Jˇ ^ 42 40 38 36 34 32
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time(min) Thermal comfort WHY DO JA
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Thermal comfort TCT : THERMAL COMFO
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Thermal comfort INTERNATIONAL STAND
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Acute and chronic heat exposure PHY
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Acute and chronic heat exposure Fig
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Acute and chronic heat exposure EFF
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Acute and chronic heat exposure 2.2
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Acute and chronic heat exposure EFF
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Acute and chronic heat exposure A N
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Acute and chronic heat exposure of
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Acute and chronic heat exposure PHY
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Acute and chronic heat exposure Tab
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Acute and chronic heat exposure INT
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probability plot 99 95 80 60 40 20
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Acute and chronic heat exposure HAN
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Acute and chronic heat exposure ALL
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Acute and chronic heat exposure Tab
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Acute and chronic heat exposure UNC
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Thermal Sensation Scale 10 9 8 7 6
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Acute and chronic heat exposure RES
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Acute and chronic heat exposure eve
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Acute and chronic heat exposure 30%
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Acute and chronic heat exposure REF
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RADIANT FLOW THROUGH BICYCLE HELMET
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Figure 2. Difference in heat transf
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Manikins DEVELOPMENT OF A LYING DOW
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IT = 6.45( _ ,Tsk - _ ,Tair)/(Q/A)
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Manikins cases. If the body is even
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Heat balance components 100% 80% 60
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Manikins clothing system. This effe
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Manikins The coupled system was val
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Manikins A NOVEL APPROACH TO MODEL-
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Manikins THERMAL MANIKIN EVALUATION
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SR (g/min) Figure 2. Predictive mod
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ESTIMATION OF COOLING EFFECT OF ICE
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Manikins Figure 3: Comparison among
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Manikins EVALUATION OF THE ARMY BOO
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Ty [Nm] 60 50 40 30 20 10 0 0 5 10
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Manikins different black 100% cotto
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Manikins REFERENCES Bogerd, C.P., H
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Modelling RESULTS From this kind of
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Modelling (T , T , V& , ) = 1. 0 +
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NORMALIZED CVCL 8 7 6 5 4 3 2 1 0 M
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Modelling illustrated in Figure 1.
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Modelling MODELLING PATIENT TEMPERA
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Modelling Figure 1: Blood and mean
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Modelling simulations the additiona
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Modelling Table 1. Descriptive summ
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Modelling concomitant increase in b
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Modelling REFERENCES 1. U.S. Depart
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Modelling from the 1988 population.
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Modelling somatotypes in multivaria
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Modelling Each scan data was first
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Modelling The line through the data
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Hip( width) −Waist ( width ) HW
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Modelling measurements are extracte
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Measurement methods not included in
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Measurement methods humidity. The o
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Measurement methods DISCUSSION Base
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Air film Skin surface Skin layer δ
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Measurement methods and calculated
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Rectal temperature ( o C) 39.5 39.0
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Measurement methods work rates, and
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Measurement methods HUMIDEX: CAN TH
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Measurement methods highlighted. In
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Invited presentation Universal Ther
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Universal Thermal Climate Index dat
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Universal Thermal Climate Index DYN
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Universal Thermal Climate Index DIS
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Universal Thermal Climate Index COM
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Skin temperature (°C) Universal Th
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Universal Thermal Climate Index PRO
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Universal Thermal Climate Index The
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Universal Thermal Climate Index ASS
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Universal Thermal Climate Index ima
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Universal Thermal Climate Index min
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Working environment EFFECTS OF LIGH
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Working environment It is interesti
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30 25 20 15 10 5 0 25 12 Working en
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Working environment ERGONOMICS OPTI
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Working environment astigmatism, an
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Working environment RESULTS The hig
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Working environment hearing protect
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Working environment Redistribution
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Working environment DISCUSSION Thes
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Working Environment over the phone
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Working Environment DISCUSSION Diff
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Working Environment results, conclu
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Working Environment BP as the refer
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Working Environment significantly a
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Working Environment responses betwe
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Working Environment Casualty handli
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Working Environment REFERENCES Davi
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Working Environment RESULTS The sub
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Temperature (C) 35 33 31 29 27 25 2
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Working Environment METHODS Student
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Working Environment ANTHROPOGENIC I
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Working Environment RESULTS The res
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Employment Standards VISUAL ACUITY
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Employment Standards Results are pr
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Employment Standards to spend free
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Occupational Thermal Problems and d
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Occupational Thermal Problems HEAT
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Occupational Thermal Problems some
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Occupational Thermal Problems HORSE
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Occupational Thermal Problems range
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Occupational Thermal Problems PHYSI
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Occupational Thermal Problems DISCU
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Occupational Thermal Problems recom
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DLEmin [hours] 7,0 6,0 5,0 4,0 3,0
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Occupational Thermal Problems EFFEC
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Occupational Thermal Problems PERIP
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Occupational Thermal Problems durin
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Occupational Thermal Problems PRODU
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Time (hours) 4 3,5 3 2,5 2 1,5 1 0,
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Occupational Thermal Problems (Suun
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Occupational Thermal Problems highl
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Occupational Thermal Problems and o
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1) estimated (208 - 0.7 x age) *P
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Occupational Thermal Problems of a
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Occupational Thermal Problems tempe
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Table 1: Environmental conditions o
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Occupational Thermal Problems The h
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Occupational Thermal Problems RESUL
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Occupational Thermal Problems PHYSI
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Occupational Thermal Problems corre
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Occupational Thermal Problems DEVEL
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Occupational Thermal Problems All i
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A Adolfsson Niklas 540 Ainslie Phil
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Kim Myung-Ju 409 Kim Taegyou 189 Kl
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Sormunen Erja 599 Spindler Uli 145
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SPONSOR 641
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