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【英文标准名称】:Firedetectionandfirealarmsystems-Part7:Smokedetectors;Pointdetectorsusingscatteredlight,transmittedlightorionization;GermanversionEN54-7:2000
【原文标准名称】:火灾探测和报警系统.第7部分:烟雾探测器.使用散射光传输光或电离物的烟探测器
【标准号】:DINEN54-7-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-03
【实施或试行日期】:
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:C81
【国际标准分类号】:13_220_20
【页数】:44P;A4
【正文语种】:德语


【英文标准名称】:StandardTestMethodforEvaluatingtheMicrostructureofGraphiteinIronCastings
【原文标准名称】:铁铸件中石墨显微结构评定的标准试验方法
【标准号】:ASTMA247-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:A04.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铸件;晶体微观结构;石墨;铁;机械试验;金相学;金属;微观结构;试验;热试验
【英文主题词】:graphite;irons
【摘要】:Thecomparisonofobservedgraphiteparticleswiththestructuresshowninthechartsgiveonlypurelydescriptiveinformationonthetype,distribution,andsizeofthegraphiteinthesamplebeingevaluated.Itdoesnotindicateexceptinaverybroadwaytheoriginofthegraphite,orthesuitabilityoftheiron-carbonalloyforaparticularservice.1.1Thistestmethodcoverstheclassificationofgraphiteincastironsintermsoftype,distribution,andsize.Thistestmethodisintendedtobeapplicableforalliron-carbonalloyscontaininggraphiteparticles,andmaybeappliedtograyirons,malleableirons,andtheductile(nodular)irons.1.2Thereferencestandardsincludedinthistestmethodareinnowaytobeconstruedasspecifications.Inanappropriatespecificationforaspecificmaterialwheregraphitemicrostructureisanimportantconsiderationthistestmethodmaybeusedasareferencetodefineconciselythegraphitemicrostructurerequired.1.3Thesestandardsareofferedprimarilytopermitaccuratereportingofmicrostructuresofcastironsandtofacilitatethecomparisonofreportsbydifferentlaboratoriesorinvestigators.Thisstandarddoesnotpurporttoaddressallofthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoconsultandestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H41
【国际标准分类号】:77_140_80
【页数】:2P.;A4
【正文语种】: