【英文标准名称】:Multi-elementmetalliccablesusedinanalogueanddigitalcommunicationandcontrol-Sectionalspecificationforscreenedcablescharacterizedupto600MHz-Horizontalandbuildingbackbonecables
【原文标准名称】:模拟和数字通信及控制中使用的多元件金属电缆.600MHz及以下的铠装电缆分规范.水平和建筑物的主电缆
【标准号】:BSEN50288-4-1-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-01-15
【实施或试行日期】:2004-01-15
【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】:模拟;综合业务数字网;电缆结构;金属的;传播学;多芯电缆;电缆;布线;护套电缆;连接电缆;绝缘;远程通信;分规范;仪器装置;数字连接;电气试验;基础设施;机械试验;屏蔽的;水平地板布线;布线管道;通信系统;多线电缆;数字工程;通信电缆;信号传输;信息技术;规范(验收);传播技术;多线;电气工程;铠装电缆;电缆护套;编织外壳;绞股;电信;数据网络;火焰表面传播;数据传送;传输技术;试验
【英文主题词】:Analogue;Braidshieldings;Cableconstruction;Cablesheaths;Cables;Cabling;Communication;Communicationcables;Communicationsystems;Communicationtechnology;Connectorcables;Datanetwork;Datatransfer;Definition;Definitions;Design;Digital;Digitalcircuits;Digitalconnections;Digitalengineering;Electricalengineering;Electricaltesting;Horizontal;Horizontalfloorwiring;Informationtechnology;Infrastructure;Instrumentation;Insulations;Integratedservicesdigitalnetwork;ISDN;Mechanicaltesting;Metallic;Multi-corecables;Multicorecables;Multi-wire;Risercables;Sectionalspecification;Sheathedcables;Shielded;Shieldedcables;Signaltransmission;Specification(approval);Stranding;Surfacespreadofflame;Telecommunication;Telecommunications;Testing;Transmissiontechnique;Wiringducts
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:33_120_10
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforMeasuringZipperDimensions
【原文标准名称】:测量拉链尺寸的标准试验方法
【标准号】:ASTMD2060-2000(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.54
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:dimension;zipper;Fiberlength;Dimensionalchange;Flatness;Dimensions--textilematerials/applications;Straightness;Width;Zippers
【摘要】:Thesignificanceofspecifictestsisdiscussedintheappropriatesections.Thesetestmethodsareconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausethetestmethodshavebeenusedextensivelyinthetradeforthispurpose,andbecausecurrentestimatesofbetween-laboratoryprecisionareacceptableinmostcases.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodsD2060foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasiffound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Thetestmethod(s)inthesetestmethods,alongwiththoseinTestMethodsD2051,D2052,D2053,D2054,D2057,D2058,D2059,D2061,andD2062,areacollectionofproventestmethods.Theycanbeusedasaidsintheevaluationofzipperswithouttheneedforathoroughknowledgeofzippers.Theenumeratedtestmethodsdonotprovidefortheevaluationofallzipperproperties.Besidesthosepropertiesmeasuredbymeansoftheenumeratedtestmethodsthereareotherpropertiesthatmaybeimportantforthesatisfactoryperformanceofazipper.Testmethodsformeasuringthosepropertieshavenotbeenpublishedeitherbecausenopracticalmethodshaveyetbeendevelopedorbecauseavalidevaluationoftheinformationresultingfromexistingunpublishedmethodsrequiresanintimateandthoroughknowledgeofzippers.1.1Thesetestmethodscoverthemeasurementofthedimensionsofalltypesandsizesofzippers.1.2Thetestmethodsappearasfollows:
【中国标准分类号】:Y76
【国际标准分类号】:61_040
【页数】:10P.;A4
【正文语种】:英语