资源描述：
《美国留学申请PS范文.doc》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。
1、美国留学申请：PS范文(机械工程专业)2010-09-2717:14:20 来源：留学E路通 字号：大
2、中
3、小 范文1： Mechanicalengineeringisthefoundationofindustry.Itplaysakeyroleinthenationaleconomy.It’sbroadfieldincludinggeneralengineering,aeronautical,chemicalandnuclearengineering,etc.Providesasufficientro
4、omofchoicesformetorealizethedreamofbecomingascientistoramechanicalengineer.ItwaswiththisfactinmindthatIdecidedtochoosemechanicalengineeringasthemajorfieldofstudyforbothundergraduateandgraduatecareeratTsinghuaUniversity. DuringnearlyeightyearsofstudyatTsinghuaUn
5、iversity,Icompletedatotalof47coursesinundergraduatestudy,14coursesingraduatestudy.Themajorcoursesthatinterestedmemostincluded:TheoreticalMechanics,StrengthofMaterials,ElasticityandPlasticityMechanicalAnalysisofPlasticDeformationProcesses,TheoryofMetalForming,Com
6、puterLanguageandProgramming,MechanicalDesign,etc…Aftergraduation,IenteredtheFirstHeabyMachineryWorks(innortheastofChina).Duringthisperiod,Ibecamefamiliarwiththedesignandmanufacturingofsomeheavymachines,thusfurtheringmyinterestinmechanicalengineering.Atthesametim
7、e,Ifoundthatmanygoodideasofdesigncouldnotbeputintoexistencebecauseofthebackwardnessinrawmaterialqualityandprocessingtechniques.Thisfactimpelledtherelatedareasandmetoconcentratemyresearchinterestonmaterialsscienceandprocessing.Throughcarefulsurvey,Iselectedasubje
8、ctaboutthequalitycontrolofheavydiscforgingandtookitasmyresearchsubjectformasterdegree.Afterovertowyearsofinvestigation,Ifinallymadeagreatinnovationintheforgingprocess,makingtheendproductrateincreasefrom50%to90%.Inthecourseofinvestigationandmylaterworkingaftergra
9、duatestudy,Ialsofoundsomeproblemsthatarecommoninmechanicalindustry.Forexample,howdocracksinproductsduringhotmetalworkinggenerateanddevelop?Howtoavoidcracks?Howdonon-metallicinclusionsaffectthepropertiesofmaterials?Howtocontrolthecontent,shapeanddistributionofinc
10、lusionsinfinalproducts?Solutiontotheseproblemswillimprovethequalityofmanykindsofproducts.Buttheyareoftendifficulttobesolvedbecausetheyincludeknowledgeofmanydiscipline
