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【英文标准名称】:StandardTestMethodforMeasurementofAverageViscometricDegreeofPolymerizationofNewandAgedElectricalPapersandBoards
【原文标准名称】:新的和老化的电绝缘纸和纸板聚合作用的平均粘滞程度的测量的标准试验方法
【标准号】:ASTMD4243-1999(2004)e1
【标准状态】:现行
【国别】:
【发布日期】:1999
【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】:D09.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:工艺;测量;电气工程;覆层;电绝缘;聚合;粘度;绝缘
【英文主题词】:aging;board;cellulose;eupriethylene-diamine;degreeofpolymerization;paper;pressboard;viscometry
【摘要】:Thistestmethodmaybeappliedtoallpapersmadefromunmodifiedcellulose,asusedintransformer,cable,orcapacitormanufacture.Itappliestoneworagedpapers.Forinformation,AppendixX2showsanexampleofstatisticaldistributionofvaluesfornewpapersintendedfortheinsulationoftransformers,togetherwithinformationrelativetocableandcapacitorpapers.Nevertheless,whereevaluatingthedecompositionstageofagedpapers,takecaretouse,asareference,thevalueofthenewpaperoftheverysameorigin;ofnewpapersbeingafunction,amongotherfactors,oftheirspecificgravityandoftheirmanufacturingprocess.Thistestmethodcanalsobeusedforthedeterminationoftheintrinsicviscosityofsolutionsofchemicallymodifiedpapers,providedthatthesedissolvecompletelyintheselectionsolvent.Thistestmethodshouldbeusedwithcautionwhenitisappliedtopaperswithmineralfillers.1.1Thistestmethoddescribesastandardprocedurefordeterminingtheaverageviscometricdegreeofpolymerization(abbreviatedDPv)ofneworagedelectricalpapers.Thedeterminationismadebymeasuringtheintrinsicviscosityofasolutionofthepaperinanappropriatesolvent.1.2Thedegreeofpolymerization(orthedegreeofcondensation)ofaparticularcellulosemoleculeisthenumberofanhydro--glucosemonomers,C6H10O5,inthecellulosemolecule.Withinasampleofpaper,notallthecellulosemoleculeshavethesamedegreeofpolymerizationsothatthemeanvaluemeasuredbyviscometricmethodsisnotnecessarilythesameasthatwhichmaybeobtainedbyothermethods.Thisstandardmayinvolvehazardousmaterials,operations,andequipment.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesandtodeterminetheapplicabilityofregulatorylimitationspriortouse.SeeSection9
【中国标准分类号】:K15
【国际标准分类号】:29_035_10
【页数】:7P.;A4
【正文语种】:


【英文标准名称】:Plugs,socket-outletsandcouplersforindustrialpurposes-Part2:Dimensionalinterchangeabilityrequirementsforpinandcontact-tubeaccessories(IEC60309-2:1999);GermanversionEN60309-2:1999
【原文标准名称】:工业用插头、插座和耦合器.第2部分:插针和插套附件的尺寸互换性要求
【标准号】:DINEN60309-2-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-05
【实施或试行日期】:2000-05-01
【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】:电气工程;工业;插座;插头和插座连接;器具连接器;插头;钻模;可行性;铭刻;工业插座;内孔连接器;插座触点;尺寸;使用;轴衬(机械元件);额定电压;离合器;工业连接器;设备用工业插头;销连接;工业的;规范(验收);电连接器;设计;图纸尺寸;销接;接触连接;可置换性
【英文主题词】:Appliancecouplers;Applicability;Applications;Bodies;Bushes(mechanicalcomponents);Clutches;Contactconnection;Definition;Definitions;Design;Dimensions;Dimensionsondrawing;Electricconnectors;Electricplugs;Electricsocketcontacts;Electricsockets;Electricalengineering;Electricalsafety;Femaleconnectors;Industrial;Industrialconnectors;Industrialplug-indevices;Industrialsockets;Industries;Inscription;Jigs;Maleconnectors;Pincontacts;Pinjoints;Plug-and-socketconnection;Plugs;Protectionagainstelectricshocks;Ratedvoltage;Replaceability;Safetyrequirements;Specification(approval);Suitableforplug-inconnection
【摘要】:
【中国标准分类号】:K30;L24
【国际标准分类号】:29_120_30
【页数】:65P.;A4
【正文语种】:德语