分析专业英语 分析专业英语-Analysis of Professional English Analysis of Professional English-1727006149813.pptx

分析专业英语AnalysisofProfessionalEnglish分析专业英语AnalysisofProfessionalEnglish授课专业：工程技术主讲老师：陈龙文博士EngineeringTechnologyDr.ChenLongwen广东省精品在线开放课程授课专业：工程技术主讲老师：陈龙文博士EngineeringTechnologyDr.ChenLongwenAnalyticalTestingTechniquesRepository分析检验技术资源库AnalyticalTestingTechniquesRepository

2/1215PartOilanalysis

Oilanalysis3/12Adetailedanalysisofasampleofengine,transmissionandhydraulicoilsisavaluablepreventivemaintenancetoolforanagriculturalproducer.对发动机、变速箱和液压油样本的详细分析对于农业生产者来说是一种有价值的预防性维护措施。Inmanycasesitenablestheidentificationofpotentialproblemsbeforeamajorrepairisnecessary,hasthepotentialtoreducethefrequenciesofoilchanges,andincreasestheresalevalueofusedequipment.在许多情况下，它能够在需要大修之前识别潜在问题，有可能减少换油频率，并提高二手设备的转售价值。

Oilanalysis4/12WhatisOilAnalysis?Oilanalysisinvolvessamplingandanalyzingoilforvariouspropertiesandmaterialstomonitorwearandcontaminationinanengine,transmissionorhydraulicsystem.机油分析包括采样和分析机油的各种特性和材料，以监测发动机、变速器或液压系统中的磨损和污染。Samplingandanalyzingonaregularbasisestablishesabaselineofnormalwearandcanhelpindicatewhenabnormalwearorcontaminationisoccurring.定期取样和分析可建立正常磨损的基线，并有助于指示何时发生异常磨损或污染。Oilthathasbeeninsideanymovingmechanicalapparatusforaperiodoftimereflectstheexactconditionofthatassembly.在任何移动的机械设备内放置一段时间的油反映了该组件的确切状况。Oilisincontactwithengineormechanicalcomponentsaswearmetallictraceparticlesentertheoil.当磨损金属微粒进入机油时，机油与发动机或机械部件接触。

Oilanalysis5/12Theseparticlesaresosmalltheyremaininsuspension.Manyproductsofthecombustionprocessalsowillbecometrappedinthecirculatingoil.这些颗粒非常小，它们保持悬浮状态。燃烧过程的许多产物也将被困在循环油中。Particlescausedbynormalwearandoperationwillmixwiththeoil.Anyexternallycausedcontaminationalsoenterstheoil.正常磨损和操作导致的颗粒将与机油混合。任何外部引起的污染也会进入机油。Byidentifyingandmeasuringtheseimpurities,yougetanindicationoftherateo