| 1. | The contamination degree is contamination level to be controlled and change the oil when system is dynamic balance
提出了液压润滑系统污染动态平衡时的污染度亦即为液压润滑系统需要控制的目标污染度，并以该目标污染度作为换油指标。 |
| 2. | Some basic concepts of insulator contamination are introduced firstly . existing methods of avoiding contamination flashover and methods of detecting contamination degree of insulators are discussed in details
介绍了变电污秽及其相关概念，并对国内外现有的变电污秽防治方法和变电污秽在线监测方法进行了研究。 |
| 3. | Some basic concepts of insulator contamination are introduced firstly . existing methods of avoiding contamination flashover and methods of detecting contamination degree of insulators are discussed in details
首先介绍了变电污秽及其相关概念，并对国内外现有的变电污秽防治方法和变电污秽在线监测方法进行了研究。 |
| 4. | Some basic concepts of insulator contamination are introduced firstly . existing methods of avoiding contamination flashover and methods of detecting contamination degree of insulators are discussed in details and disadvantages of them are pointed out
引入了变电污秽及其相关概念，对国内外现有的变电污秽防治方法和变电污秽在线监测方法进行了简要的介绍，并指出了各自存在的不足。 |
| 5. | And then the applications of some general oil monitoring methods including physical chemistry analysis , ferrograph analysis , contamination degree analysis , etc , in fault diagnosis of diesel engine are analyzed , and also the relations between those methods and diesel engine ' s fault modules are discussed
然后分析了几种常用的油液分析方法在柴油机故障诊断中的应用，包括理化分析、铁谱分析、污染度分析等，及各分析方法与各故障模式的关系。 |
