It could also be found from the values of effects, when the
environment intensity was large, the environment effect and
combined effect on heart rate and PSI may be larger than work
effect, such as in H9-moderate, the environment effects on heart
rate and PSI were 32.8 beats/min and 2.95 respectively, the work
effects were 14 beats/min and 2.36, and the combined effects were
20.8 beats/min and 3.07. For rectal temperature, the work effect
was larger than environment effect, so the effect of work on rectal
temperature was more significant than environment. Moreover, for
sweat rate, when the enthalpy was large, the environment effect
and work effect would be larger than combined effect, such as in
H8emoderate, the environment effect, work effect and combined
effect were 8.99 g/min, 4 g/min and 1.67 g/min respectively.