[Retracted] A Study on Nonvisual Effects of Natural Light Environment in a Maternity Ward of a Hospital in Cold Area

Table 1

Material parameters.

Parameter	Wall	Ground	Ceiling	Bed surface	Glass
Material	White latex paint	Yellow PVC floor	Aluminum plate	White sheets	Ordinary double white glass
Reflection/transmission coefficient	0.7	0.4	0.7	0.6	0.8