yellowness index

基本解释

The effects of some hindered amine light stabilizers(HALS) and antioxidants on the radiation-induced coloration of polyethylene(PE) are studied by measuring the yellowness index(YI) of PE.
研究了受阻胺類光穩定劑（HALS）及各種抗氧劑對聚乙烯輻射致色的影響。
The relation between yellowness index and time of irradiation is a power function. After irradiation, the most decreased amino acids are corresponding to tryptophan, histidine and tyrosine.
結果表明，泛黃真絲綢的黃度指數與氙燈照射時間之間是乘冪函數關系，泛黃真絲綢中的色氨酸、組氨酸及酪氨酸的損失百分率最大。