It was found that the light reflecting ratio at a given wavelength range would decrease with the increase of moisture content of kraft pulp and the decrease would be greater at the longer wavelength.

• 结果表明:在指定波段内纸浆的光反射率受到硫酸盐纸浆水分含量(纸浆浓度)的影响,随着纸浆水分的增加,纸浆的光反射率下降,在长波长处的光反射率降幅大于短波长处;