EN 2104-1996 航空航天系列.丙烯腈-丁二烯-橡胶(NBR).硬度:40IRHD
作者:标准资料网 时间:2024-05-21 18:43:52 浏览:8544
来源:标准资料网
【英文标准名称】:Aerospaceseries-Acrylonitrile-butadieneelastomer(NBR)-Hardness40IRHD;GermanversionEN2104:1996
【原文标准名称】:航空航天系列.丙烯腈-丁二烯-橡胶(NBR).硬度:40IRHD
【标准号】:EN2104-1996
【标准状态】:现行
【国别】:
【发布日期】:1996-03
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);航空航天运输;塑料;多语种的;航天运输;作标记;晴基丁二烯橡胶;丁二烯;丙烯腈;飞行器;特性;材料;硬度;航空运输;名称与符号;试验;弹性体
【英文主题词】:Acrylonitrile;Aerospacetransport;Airtransport;Aircraft;Butadiene;Butadieneacrylonitrilerubber;Designations;Elastomers;Hardness;Marking;Materials;Mineraloilresistant;Multilingual;NBR;Plastics;Properties;Rubber;Spacetransport;Specification(approval);Testing
【摘要】:
【中国标准分类号】:V13
【国际标准分类号】:49_025_40
【页数】:7P.;A4
【正文语种】:英语
【英文标准名称】:Aerospaceseries-Rings,split,instainlesssteel;GermanandEnglishversionEN4494:2006
【原文标准名称】:航空航天系列.不锈钢开口环
【标准号】:DINEN4494-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;设计;尺寸;紧固件;精整;高温;多语种的;环;自锁紧;镀银;开口环;航天运输;规范(验收);钢;表面处理;公差(测量)
【英文主题词】:Aerospacetransport;Airtransport;Design;Dimensions;Fasteners;Finishes;Hightemperature;Multilingual;Rings;Self-locking;Silver-coated;Snaprings;Spacetransport;Specification(approval);Steels;Surface
【摘要】:Thisstandardspecifiesthecharacteristicsofsplitrings,foruseinaerospaceapplications.#,,#
【中国标准分类号】:V20
【国际标准分类号】:49_030_50
【页数】:14P.;A4
【正文语种】:多种语言
【英文标准名称】:Postalservices-Qualityofservice-Measurementoflossandsubstantialdelayofpriorityandfirstclasssinglepiecemailusingasurveyoftestletters
【原文标准名称】:邮政服务.服务质量.使用测试信件调查法对优先和最高级别单件信件的丢失以及延时的测量
【标准号】:BSDDCEN/TS14773-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-23
【实施或试行日期】:2004-11-23
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:邮寄;测量;定义;试验;循环邮件;评定;服务设施;运输;质量控制;方法论;质量保证;质量检查;信函;邮政;邮政;损失
【英文主题词】:Circulatingmail;Definition;Definitions;Evaluations;Incomingmail;Letters(documents);Losses;Mail;Measurement;Methodologies;Postaldelivery;Postalservices;Qualityassurance;Qualityauditing;Qualitycontrol;Services;Shipment;Testing
【摘要】:Thisdocumentspecifiesmethodsformeasuringtheleveloflossandsubstantialdelay,usingasurveyoftestletters,ofdomesticandcross-borderpriorityandfirstclasssinglepiecelettermail,collected,processedanddistributedbypostalserviceoperators.Itisimpossibleinpracticetodistinguishbetweenitemswhichwillneverarriveanditemswhichhavebeendelayedforaverylongtime.Aminimumperiodisthereforedefinedafterwhichanitemthathasbeensentshallbetreatedasifithasbeenlostorsubstantiallydelayedforthepurposesofmeasurement.Theresultingoverallfigureforlossandsubstantialdelayistobeexpressedasapercentageofthetotalpostedpriorityandfirstclasssinglepiecemail.Thisindicatordoesnotmeasurethepostaloperator’soverallperformanceinawaywhichprovidesdirectcomparisonofpostalserviceoperators,anddoesnotincludeotherserviceperformanceindicatorsotherthanthoserelatedtolossandsubstantialdelay.Accordingtothisdocument,lossandsubstantialdelayisestimatedwithinspecifiedaccuracylimits.Whentheleveloflossisverysmallitmayonlybepossibletoestimateanupperlimitforthelevelofloss.ThisdocumenthasbeendevelopedfromandiscompatiblewiththerequirementsofEN13850forthemeasurementofthetransittimeofend-to-endservicesforsinglepieceprioritymailandfirstclassmail,sothatthesamesurveymaybeusedtomeasurelossandsubstantialdelayandon-timeperformance.Thusitcomprisesasetofrequirementsforthedesignofameasuringsysteminvolvingtheselectionanddistributionoftestletterssentandreceivedbyselectedpanellists,accordingtoaspecificationthatensuresthatthetestlettersampledesignisrepresentativeoftherealmailflows.Thisdocumentrelatestothemeasurementofthesocalled“normal”servicesgiventoprivatepersons/householdsandbusinessesthatpostmailatstreetletterboxes,overthecounteratpostoffices,havepickupsattheirofficesorgivetheirmaildirectlyatpostalserviceoperators’sortingcentres.Fortechnicalreasonsthisdocumentmaynotinallpartsbesuitableforthemeasuringofverysmallvolumesofmailandforoperatorswithlimitedcoverage.Thisdocumentisnotapplicableformeasuringtheleveloflossorsubstantialdelayforlargebulkmailers’servicesandhybridmailwhichrequiredifferentmeasurementsystemsandmethodologies.Thisdocumentincludesspecificationsforthequalitycontrolandauditingofthemeasurementsystemandforthereportingoflossandsubstantialdelayofmail.
【中国标准分类号】:M80
【国际标准分类号】:03_240
【页数】:40P.;A4
【正文语种】:英语
