DIN 48801-1985 避雷装置.导线.螺钉和螺帽

上一篇: DIN 43651-3-1985 圆形接插件.参数.要求.试验
下一篇: DIN IEC 60068-2-47-1985 电器技术基本环境试验规程.第2部分:试验.第47节:元件.设备和其它物品做冲击(Ea).碰撞(Eb).振动(Fc和Fd)和稳态加速度(Ga)等动态试验的安装和指南

【英文标准名称】:Magneticmaterials-Methodsofmeasurementofdensity,resistivityandstackingfactorofelectricalsteelsheetandstrip
【原文标准名称】:磁性材料.第13部分:电工钢片和刚带密度、电阻率和叠层系数的测量方法
【标准号】:BS6404-13-1996
【标准状态】:作废
【国别】:英国
【发布日期】:1996-05-15
【实施或试行日期】:1996-05-15
【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】:电阻率;电工钢;密度测量;堆积试验;磁通密度;电阻测量;磁性材料;通量密度;薄板材;带材;电阻;再现性;试验设备;材料的磁性能;密度
【英文主题词】:Densimetry;Density;Densitymeasurement;Electricalengineering;Electricalresistivity;Electricalsheets;Electricalstrips;Magneticmaterials;Magneticmeasurement;Materials;Measurement;Measuringtechniques;Resistivity;Sheetsteels;Stackfactor;Steelstrips;Steels;Testing
【摘要】:ThispartofIEC404specifiesthemethodsusedfordeterminingthedensity,resistivityandstackingfactorofelectricalsteelsheetandstrip.Thesequantitiesarenecessarytoestablishthemagneticcharacteristicsofthematerial.Inparticular,thedensityisnecessarytoallowspecifiedvaluesofthefluxdensitytobesetwithoutknowingthethick-nessofthetestspecimen.Forthedeterminationofthedensity,theimmersionmethodwasearlierconsideredtobeafundamentalmethodforuseincasesofarbitration.However,experiencehasshownthatthismethodisverydifficulttouseinthecaseofsheetsampleswitharelativelylargesurfacearea.Thismethodisthereforenotincluded.ItisdescribedinISO2738andISO1183.
【中国标准分类号】:H72
【国际标准分类号】:29_030
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Plasticspipingsystemsforwatersupply-Unplasticizedpoly(vinylchloride)(PVC-U)-Fittings
【原文标准名称】:供水塑料管道系统.非增塑的聚氯乙烯(PVC-U).配件
【标准号】:BSEN1452-3-1999
【标准状态】:作废
【国别】:英国
【发布日期】:2000-05-15
【实施或试行日期】:2000-05-15
【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】:胶粘剂;化学性质;定义(术语);配件;作标记;材料;机械性能;物理性能;管道;管;管系统;塑料管道;塑料管;塑料;特性;聚乙烯管;未增塑聚氯乙烯(PVC-U);密封环;规范(验收);未增塑聚氯乙烯;水管;水常规(实验);给水
【英文主题词】:Adhesives;Chemicalproperties;Definitions;Fittings;Marking;Materials;Mechanicalproperties;Physicalproperties;Pipelines;Pipes;Pipingsystem;Plasticpipelines;Plasticpipes;Plastics;Properties;PVC-pipes;PVC-U;Sealingrings;Specification(approval);Unplasticizedpolyvinylchloride;Waterpipes;Waterpractice;Watersupply
【摘要】:ThispartofEN1452specifiesthecharacteristicsoffittingsmadefromunplasticizedpoly(vinylchloride)(PVC-U)forpipingsystemsinthefieldofwatersupply.Italsospecifiesthetestparametersforthetestmethodsreferredtointhisstandard.InconjunctionwithParts1,2,and5ofEN1452andENV1452-7itisapplicabletoPVC-UfittingsandtojointswithcomponentsofPVC-U,otherplasticsandnon-plasticsmaterialsintendedtobeusedforthefollowing:a)watermainsandservicesburiedinground;b)conveyanceofwaterabovegroundforbothoutsideandinsidebuildings;forthesupplyofwaterunderpressureatapproximately20℃(coldwater)intendedforhumanconsumptionandforgeneralpurposes.Thisstandardisalsoapplicabletofittingsfortheconveyanceofwateruptoandincluding45℃.Fortemperaturesbetween25℃and45℃figureA.1inannexAofEN1452-2:1999applies.Dependingonthejointingmethod,thisstandardisapplicabletothefollowingtypesoffittings:-fittingsforsolventcementing;-elastomericringsealfittings.ThisstandardisapplicabletoPVC-Uflangeadaptersandtothecorrespondingflangesmadefromvariousmaterials.PVC-Ufittingscanbemanufacturedbyinjection-mouldingand/orbefabricatedfrompipe.NOTEFittingsformechanicaljoints,madefromvariousmaterialsaredescribedinENV1452-6.
【中国标准分类号】:Q81
【国际标准分类号】:91_140_60
【页数】:48P.;A4
【正文语种】:英语