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GB 11018.2-1989 丝包铜绕组线 丝包单线

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基本信息
标准名称:丝包铜绕组线 丝包单线
英文名称:Copper winding wires with silk covering; Part 2:Single wire with silk covering
中标分类: 电工 >> 电工材料和通用零件 >> 带绝缘层电线
ICS分类: 电气工程 >> 电线和电缆 >> 电线
替代情况:被GB/T 11018.1-2008代替
发布部门:国家技术监督局
发布日期:1989-03-31
实施日期:1990-01-01
首发日期:1989-03-31
作废日期:2009-05-01
主管部门:中国电器工业协会
归口单位:全国电线电缆标准化技术委员会
起草单位:上海电缆所
出版社:中国标准出版社
出版日期:1990-01-01
页数:5页
适用范围

本标准规定了丝包单线的技术要求.
本标准适用于单根漆包线经丝包而成的丝包铜绕组线(简称丝包单线).

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所属分类: 电工 电工材料和通用零件 带绝缘层电线 电气工程 电线和电缆 电线
【英文标准名称】:StandardPracticeforMeasuringSiftingSegregationTendenciesofBulkSolids
【原文标准名称】:测定大块固体的筛分分离趋势的标准实施规程
【标准号】:ASTMD6940-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D18.24
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:bulksolids;segregation;sifting;Segregation;Bulksolids;Horizontaltesting;Siftingsegregation
【摘要】:Siftingsegregationcancausehorizontalsegregation(forexample,center-to-periphery)withinbinsusedtoholdandtransportbulksolids.Thiscanaffectfinalproductqualityinindustrialapplications.Bymeasuringabulksolid''ssegregationtendency,onecancompareresultstootherbulksolidswithknownhistory,ordetermineifthegivenbulksolidmayhaveatendencytosegregateinagivenprocess.Sifting,whichisaprocessbywhichsmallerparticlesmovethroughamatrixoflargerones,isacommonmethodofsegregation.Fourconditionsmustexistforsiftingtooccur:ADifferenceinParticleSizebetweentheIndividualComponents8212;Thisratiocanbeaslowas1.3to1.Ingeneral,thelargertheratioofparticlesizes,thegreaterthetendencyforparticlestosegregatebysifting.ASufficientlyLargeMeanParticleSize8212;Siftingsegregationcanoccurwithameanparticlesizeinthe50x03BC;mrangeandcanbecomeadominantsegregationmechanismifthemeanparticlesizeisabove100x03BC;m.SufficientlyFreeFlowingMaterial8212;Thisallowsthesmallerparticlestosiftthroughthematrixoflargerparticles.Withcohesivematerials,thefineparticlesareboundtooneanotheranddonotenterthevoidsamongthecoarseparticles.InterparticleMotion8212;Thiscanbecausedduringformationofapile,byvibration,orbyavelocitygradientacrosstheflowingmaterial.Allfouroftheseconditionsmustexistforsiftingsegregationtooccur.Ifanyoneoftheseconditionsdoesnotexist,thematerialwillnotsegregatebythismechanism.Note18212;Thequalityoftheresultproducedbythispracticeisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/etc.UsersofthispracticearecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.PracticeD3740wasdevelopedforagenciesengagedinthetestingand/orinspectionofsoilandrock.Assuchitisnottotallyapplicabletoagenciesperformingthispractice.However,usersofthispracticeshouldrecognizethattheframeworkofPracticeD3740isappropriateforevaluatingthequalityofanagencyperformingthispractice.Currentlythereisnoknownqualifyingnationalauthoritythatinspectsagenciesthatperformthispractice.1.1Thispracticecoversanapparatusandprocedureforsimulatingthesegregationtendenciesofbulksolidsbymeansofthesiftingmechanism.1.2Temperature-andhumidity-sensitivebulksolidsmayneedtobetestedatdifferenttemperaturesandmoisturecontents,aswouldhappeninanindustrialenvironment.1.3Themaximumparticlesizeshouldbelimitedto3mm,toreducethelikelihoodofbindingtheslidegate.1.4Thisstandardisnotapplicableto......
【中国标准分类号】:A42
【国际标准分类号】:19_120
【页数】:5P.;A4
【正文语种】:英语


【英文标准名称】:Fireresistancetestsforserviceinstallations-Fireresistancetestsforserviceinstallations-Ducts
【原文标准名称】:服务设施的耐火试验.管道
【标准号】:BSEN1366-1-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-11-15
【实施或试行日期】:1999-11-15
【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】:
【英文主题词】:
【摘要】:TobereadinconjunctionwithBSEN1363-1:1999
【中国标准分类号】:C82
【国际标准分类号】:13_220_50
【页数】:38P;A4
【正文语种】:英语