基本信息
标准名称: | 矿用液压斜轴式轴向柱塞马达试验方法 |
发布部门: | 中华人民共和国煤炭工业部 |
发布日期: | 1996-04-18 |
实施日期: | 1996-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
提出单位: | 煤炭下业部煤矿专用设备标准化技术委员会 |
归口单位: | 煤炭工业部煤矿专用设备标准化技术委员会液压元件分会 |
起草单位: | 煤炭科学研究总院仁海分院液压研究所 |
起草人: | 昊美元 |
出版社: | 中国煤炭工业出版社 |
出版日期: | 1996-10-01 |
页数: | 14页 |
适用范围
本标礁规定了矿用液压斜轴式轴向柱塞马达的试验方法。
本标准适用于以液压油或性能相当的其他矿物油为工作介质,额定压力小于等于31.5 MPa的矿用液压斜轴式轴向柱塞马达的试验。
前言
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目录
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引用标准
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所属分类: 矿业 矿山机械设备 矿山支护设备 采矿和矿产品 采矿设备 巷道掘进和敷设管道设备
【英文标准名称】:Postalservices-Mailitemprocessing-Opticalcharacteristicsforprocessingletters
【原文标准名称】:邮政服务.邮件处理.处理信件的光学特征
【标准号】:BSEN13619-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-11-28
【实施或试行日期】:2002-11-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:邮件处理机器;邮政;邮政;字符识别;光学字符识别;信函;文本处理;识别;定义;地址码
【英文主题词】:
【摘要】:ThisEuropeanStandardspecifiesopticalcharacteristicsforprocessinglettersandgivesguidelinesonthevaluesoftheseattributesthatwillassureahighlevelofaddressreadability.ItisaimedatfacilitatingrelationsbetweenPostalOperatorsandCustomersbyprovidinginformationthatmailerscanusetoensurethattheaddressestheyprintcanbeprocessedsuccessfullybypostalautomationsystems.Thestandardisintendedtosupport:??assessmentoftheprobablereadabilityofaprintedaddress,usinggivenaddressrecognitionequipment,withoutactuallysubmittingittotheequipment;??determinationofthechangesinaddressprintingcharacteristicsthatarerequiredtoachieveadesiredlevelofaddressreadabilityusinggivenaddressrecognitionequipment;??assessmentofthecomplexity,andthusthecost,oftheaddressrecognitionequipmentneededtoachieveadesiredlevelofreadabilityofaddresseswithgivenprintingcharacteristics.ThestandardappliestomailitemswhosesizeisuptoandincludingC51,butmayalsobeappliedtooversizeitems,commonlyreferredtoasC5+,andtoflats.Theaddressblockscoveredare:??thedeliveryaddressblock;??thesenderaddressblockifthisisprintedonthesamesideofthemailitemasthedeliveryaddressblock.Theguidelinesprovidedinthestandardapplytoaddressblocksastheyappearonfinishedmailitemswhensubmittedtopostaloperators,andnotjusttoaddressesandthesubstrateonwhichtheyareprinted.Usersofthestandardareresponsiblefordeterminingthephysicalparameterswhicharerequiredtoachievecomplianceaftertakingaccountofcharacteristicswhichresultfrommailitemfeatures,otherthanprinting,suchascovering,theuseoftransparentwindowenvelopesandtheuseofaddresslabels.Theguidelinesarebasedonphysicalattributesthattendtoinfluencethereadabilityofaddressesbyopticalcharacterrecognition(OCR)equipmentandbyvideo-coders.Totheextentthatthisispossible,attributeshavebeenselectedsoastobeeasilycontrollableandtobemeasurableusingsimple,low-cost,means.Theattributevaluesgivenarebasedoncommonnotionsoftypographyandoncolourreferencesystemsthatarelikelytobeknownbymailers.Thevaluesgivenshouldbeinterpretedasrecommendationsorguidelines,notasstrict,mandatory,all-or-nothingrules.OCRsystemsarecomplexandtheirbehaviouristhereforenoteasilymodelledbysimpleattributes.Asaresulttheambitionofthestandardislimitedbythedifficultyofdefiningsomeattributesinformalterms,eventhoughtheirinfluenceonaddressreadabilityhasbeenproven.Wherethisisthecase,thestandardusesexamples,listsofpreferredvalues,orliteraldescriptionstogivehintsonhowtomaximiseaddressreadability.Sinceallattributesdonotcontributeuniformlytothereadabilityofanaddress,thestandardidentifiestwolevelsofsalienceforeachattribute(highandnormal).Thesetwolevelsaredesignedtoaidinthedefinitionofreadabilityclassesbyusersofthestandard.Thisstandardconsidersaprintedaddressasbeingmadeupofaseriesoflinesofprintedinformation2.Guidelinesrelatedtosuchaddresslinesarerelevantforalllinesinanaddressblock.
【中国标准分类号】:M82
【国际标准分类号】:03_240
【页数】:26P;A4
【正文语种】:英语