02261oam 2200625 450 991071678860332120211214141350.0(CKB)5470000002524286(OCoLC)1262753631(EXLCZ)99547000000252428620210804j202104 ua 0engur|||||||||||txtrdacontentcrdamediacrrdacarrierAutomated broken spike detection phase IWashington, DC :U.S. Department of Transportation, Federal Railroad Administration, Office of Research, Development and Technology,April 2021.1 online resource (vii, 46 pages) color illustrations"DOT/FRA/ORD-21/17.""Final report, April 2021.""Authors: Yin Gao, Anish Poudel, Brian Linderman"--Report documentation page."Performing organization: Transportation Technology Center, Inc."--Report documentation page.Includes bibliographical references (page 37).Automated broken spike detection Nails and spikesUnited StatesTestingNondestructive testingUnited StatesUltrasonic testingUnited StatesNails and spikesTestingfastNondestructive testingfastUltrasonic testingfastUnited StatesfastTechnical reports.fastTechnical reports.lcgftNails and spikesTesting.Nondestructive testingUltrasonic testingNails and spikesTesting.Nondestructive testing.Ultrasonic testing.Gao Yin1358215Poudel AnishLindeman BrianUnited States.Federal Railroad Administration.Office of Research, Development and Technology,Transportation Technology Center, Inc.GPOGPOOCLCOOCLCQOCLCFGPOBOOK9910716788603321Automated broken spike detection3452516UNINA01452nam 2200481 450 991081039780332120230912155038.01-119-37267-41-119-37265-8(CKB)3710000001096383(Au-PeEL)EBL4821926(CaPaEBR)ebr11360241(OCoLC)979159122(Au-PeEL)EBL7147342(CaSebORM)9781119372622(MiAaPQ)EBC4821926(MiAaPQ)EBC7147342(EXLCZ)99371000000109638320170327h20172017 uy 0engurcnu||||||||rdacontentrdamediardacarrierComptia a+ practice tests /Quentin DocterIndianapolis, Indiana :Sybex,2017.©20171 online resource (484 pages) illustrations, photographsIncludes index.1-119-37262-3 Computer techniciansCertificationStudy guidesElectronic data processing personnelCertificationComputer techniciansCertificationElectronic data processing personnelCertification.005.44769Docter Quentin1112930MiAaPQMiAaPQMiAaPQBOOK9910810397803321Comptia a+ practice tests3963756UNINA