Change law of friction polymer in running diesel engine lubricating oil was studied by using Fe spectrum analysis technology. 運用鐵譜分析技術(shù)，研究在用柴油機潤滑油中摩擦聚合物的變化規律。
The theoretic foundation and specific characteristic analysis methods of modern ferrography analysis technique besed on debris group theory are advanced. 提出了以磨屑群理論為基礎的現代鐵譜分析技術(shù)的理論依據和磨屑群體特征的提取方法。
