ISO 105-F10 AMD 1-2009 纺织品.色牢度的测试.第F10部分:贴衬织物用规范:多股纤维束;修改件1

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【英文标准名称】:Malleablecastironfittingswithcompressionendsforpolyethylene(PE)pipingsystems;GermanversionEN10284:2000
【原文标准名称】:聚乙烯(PE)管道系统用带压缩端的可锻铸铁管件
【标准号】:EN10284-2000
【标准状态】:现行
【国别】:
【发布日期】:2000-08
【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】:夹紧连接;管道;名称与符号;特性;塑料;管联接器;锌覆层;热浸镀锌;功能特性;质量保证;可锻铁配件;覆层;设计;管系统;定义;定义;聚丙烯;聚丙烯;材料;作标记;聚乙烯;聚乙烯;试验;塑料管;试验要求;建筑元件试验;规范(验收);配件;管连接件;防腐蚀;可锻铸铁;防护覆层
【英文主题词】:Buildingcomponenttest;Clampingjoints;Coatings;Corrosionprotection;Definition;Definitions;Design;Designations;Fittings;Functionalproperties;Hot-dipgalvanizing;Malleablecast-iron;Malleableironfitting;Marking;Materials;PE;Pipecouplings;Pipelines;Pipingsystem;Plasticpipes;Plastics;Polyethylene;Polypropylene;PP;Properties;Protectivecoatings;Qualityassurance;Specification(approval);Testing;Testingrequirements;Zinccoatings
【摘要】:
【中国标准分类号】:J31
【国际标准分类号】:23_040_40
【页数】:14P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforGassingofElectricalInsulatingLiquidsUnderElectricalStressandIonization(ModifiedPirelliMethod)
【原文标准名称】:在电应力和电离作用下绝缘液体放气的标准试验方法(改进的皮勒里法)
【标准号】:ASTMD2300-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D27.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:gasabsorbing;gasevolving;gassing;insulatingliquids;insulatingoils;ionization;Pirellimethod;Electricalinsulatingoils;Gasabsorption;Gasevolution/absorption;ModifiedPirellimethod;Pirellimethod
【摘要】:Forcertainapplicationswheninsulatingliquidisstressedathighvoltagegradients,itisdesirabletobeabletodeterminetherateofgasevolutionorgasabsorptionunderspecifiedtestconditions.Atpresenttimecorrelationofsuchtestresultswithequipmentperformanceislimited.Inthistestmethod,hydrogen(alongwithlowmolecularweighthydrocarbons)isgeneratedbyionicbombardmentofsomeinsulatingliquidmoleculesandabsorbedbychemicalreactionwithotherinsulatingliquidmolecules.Thevaluereportedistheneteffectofthesetwocompetingreactions.Thearomaticmoleculesorunsaturatedportionsofmoleculespresentininsulatingliquidsarelargelyresponsibleforthehydrogen-absorbingreactions.Bothmoleculetype,aswellasconcentration,affectsthegassingtendencyresult.Saturatedmoleculestendtobegasevolving.Therelationbetweenaromaticityandquantityofunsaturatesoftheinsulatingliquidandgassingtendencyisanindirectoneandcannotbeusedforaquantitativeassessmentofeitherintheinsulatingliquid.Thistestmethodmeasuresthetendencyofinsulatingliquidstoabsorborevolvegasunderconditionsofelectricalstressandionizationbasedonthereactionwithhydrogen,thepredominantgasinthepartialdischarge.Forthetestconditions,theactivatinggashydrogen,incontrasttoothergases,forexample,nitrogen,enhancesthediscriminationofdifferencesintheabsorption-evolutionpatternsexhibitedbytheinsulatingliquids.Insulatingliquidsshowntohavegas-absorbing(H2)characteristicsinthetesthavebeenusedtoadvantageinreducingequipmentfailures,particularlycablesandcapacitors.However,theadvantageofsuchinsulatingliquidsintransformersisnotwelldefinedandtherehasbeennoquantitativerelationshipestablishedbetweenthegassingtendencyasindicatedbythistestmethodandtheoperatingperformanceoftheequipment.Thistestmethodisnotconcernedwithbubbleevolution,whichmayarisefromphysicalprocessesassociatedwithsuper-saturationofgasesinoilorwatervaporbubblesevolvingfromwetinsulation.1.1Thistestmethodmeasurestherateatwhichgasisevolvedorabsorbedbyinsulatingliquidswhensubjectedtoelectricalstressofsufficientintensitytocauseionizationincellshavingspecificgeometries.1.2Thistestmethodisnotconcernedwithbubblesarisingfromsupersaturationoftheinsulatingliquid.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityofwhoeverusesthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecificprecautionssee5.1.4and8.4.
【中国标准分类号】:K15
【国际标准分类号】:29_040_10
【页数】:5P.;A4
【正文语种】:英语