The results have shown that the specific opticaldispersion is related to di-aromatics, poly-aromatics and gum;
结果表明，变压器油的比色散与双环、多环芳烃及胶质有关；
2
It is demonstrated that the phase discrepancy caused by opticaldispersion of this new kind sensor head is very small and its influence on measurement can be ignored, showing practical significance.