机械专业毕业论文英语翻译1MechanicalharvestingofpistachionutsRe?kPolata,*,IbrahimGezerb,MetinGunerc,ErginDursunc,DoganErdogancHasanC.BilimdaFacultyofAgriculture,DepartmentofAgriculturalMachinery,UniversityofHarran,63040Sanliurfa,TurkeybProgramofAgriculturalMachinery,MalatyaTechnicianTrainingCenter,UniversityofInonu,44080Malatya,TurkeycDepartmentofAgriculturalMachinery,FacultyofAgriculture,UniversityofAnkara,06110Ankara,TurkeydPistachioResearchInstitute,27060Gaziantep,TurkeyReceived25November2005;accepted29March2006Availableonline18April2006AbstractAninertiatypelimbshaker,hydraulicallypoweredanddrivenbythetractorpowertake-o?,wasusedformechanicalharvestingofpistachionuts.Thestudyincludedoptimumfrequencyandamplitudetoobtainmaximumfruitremovalpercentage,harvestingrateoftheshakerandcomparisonswithotherharvestingmethods.Harvestingratewascalculatedbyweighingboththeharvestedandunhar-vestedpistachionuts.Intheteststhelimbsoftreeswereshakenat40,50,60mmamplitudeoftheconnectingrodattachedtothecrank-shaftand10,15,20Hzfrequencies.Theresultswereanalyzedaccordingtothemaximumfruitremovalpercentage.Shakingtimewas10sforallofthefrequencyandamplitudetests.Maximumfruitremoval(101%)wasachievedbyoperatingtheshakeratamplitudeof60mmandafrequencyof20Hz.Butcloselyresultswereachievedatamplitudeof50mmandafrequencyof20Hz.Atthisamplitudeandfrequency,fruitremovalwas95.5%.Theshakercausedexcessivevibrationoftheframewhenitwasoperatedatgreatamplitudes.Therefore,amplitudeof50mmandafrequencyof20Hzformechanicalharvestingofpistachionuttreescanbesuggested.Inaddition,itwasfoundthatthemostappropriateharvestingtimeforKirmizivarietyofpistachionutisthe?rstweekofSeptember.Because,theratiooffruitdetachmentforce(FDF)tofruitweight(W)measurements,performedatdi?erentmaturitytimes,was6.8N/gatthe?rstweekofSeptember.ó2006ElsevierLtd.Allrightsreserved.Keywords:Pistachionut;Mechanicalharvest;Limbshaker;Detachmentforce1.IntroductionTurkeyisoneofthemainpistachiosproducingcoun-triesintheworldandpistachioisanimportantproductforTurkey.AlthoughTurkishvarietiesaresmallerinbothshellandkernel,thesevarietiesarepreferredinmanyEuro-peanandUSAmarketsbecauseoftheirbettertasteandmoreuniformlygreenkernels(Ozeker,Misirli,&Isfendiy-aroglu,2001;Woodroof,11012).OneoftheoriginplacesofpistachionutisAnatolia.Therefore,itisgrowninalloverTurkey,especiallyinSoutheastAnatolia(Kaska,11015).AgriculturalsectorstillplaysanimportantroleinthedevelopmentandsocialeconomicstructureofTurkey.Because41.1%ofthepopulationlivesinthecountryside.Inaddition,agriculturalsectormeets16.8%ofnationalincomeand11.7%ofexport.45.9%ofactivepopulationworksintheagriculturalsector(Karli&Cakmakli,2001).Turkeyhasmanyadvantagesingrowingfruitintermsofclimateconditionsandsourceofhttps://www.sodocs.net/doc/2d41611015.htmlAandIranaretwoimportantcountries,whichgrowmostofpis----本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---tachiogrowingintheworld.Thesetwocountrieshaveaverystronglevelintheproductionofthepistachio.TurkeyisthethirdpistachioproducerafterIran(243,077t)andUSA(106534t)andhasapproximately10.6%ofthetotalproductionoftheworld.Inlastfouryearsthemean0260-8774/$-seefrontmatteró2006ElsevierLtd.Allrightsreserved.doi:10.1016/j.jfoodeng.2006.03.023*Correspondingauthor.E-mailaddresses:re?kpolat@https://www.sodocs.net/doc/2d41611015.html.tr(R.Polat),igezer@https://www.sodocs.net/doc/2d41611015.html.tr(I.Gezer),derdogan@https://www.sodocs.net/doc/2d41611015.html.tr(D.Erdogan),hcembilim@https://www.sodocs.net/doc/2d41611015.html(H.C.Bilim).https://www.sodocs.net/doc/2d41611015.html/locate/jfoodengJournalofFoodEngineering79(2007)1131–1135本文来源：网络收集与整理，如有侵权，请联系作者删除，谢谢！---本文来源于网络，仅供参考，勿照抄，如有侵权请联系删除---
