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The Light fastness is straw crafts surface nature and quality of one of the evaluation. Using spectrophotometer, study of wheat straw surface chromaticity index change for different time periods, in the UVA-340 fluorescent UV lamp 24 +48 × (2.5 +0.5) = 168h. The results showed that : (1) Radiation 156h sample and bleached sample(1% NaHSO3) chromatic aberration ΔE∗ difference value is 4.64NBS, known...
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