BS EN 2243-4-1991 结构胶粘剂试验方法.金属.蜂窝状芯材的平面拉伸试验
时间:2024-05-21 07:02:49 来源: 标准资料网 作者：标准资料网 阅读：9679
【英文标准名称】:Structuraladhesives-Testmethods-Metal-honeycombcoreflatwisetensiletest
【原文标准名称】:结构胶粘剂试验方法.金属.蜂窝状芯材的平面拉伸试验
【标准号】:BSEN2243-4-1991
【标准状态】:作废
【国别】:英国
【发布日期】:1991-08-30
【实施或试行日期】:1991-08-30
【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】:金属;胶粘剂;航空运输工程;试样;附着力试验;抗拉试验;航天技术;多孔材料;试验条件;铝合金;尺寸;试样制备
【英文主题词】:Adhesives;Airtransport;Honeycombcores;Honeycombsandwichstructures;Metals;Spacetransport;Surfacelayers;Tensiletesting;Testspecimens;Testing
【摘要】:
【中国标准分类号】:G38
【国际标准分类号】:49_025_50
【页数】:14P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSamplingFishwithRotenone
【原文标准名称】:用鱼藤酮采集鱼样的标准规程
【标准号】:ASTMD4131-1984(2005)
【标准状态】:现行
【国别】:
【发布日期】:1984
【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】:E47.01
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:鱼藤酮;抽样方法;资源取回;工艺;污染控制;鱼类
【英文主题词】:species;fish;escaping;birds;mammals;toxicity
【摘要】:1.1Thispracticecoversdeterminationofthequantitativeandqualitativespeciescompositionoffishinaspecifiedarea.Thesuccessfuluseofthistechniqueisdependenton:(1)preventingfishfromescapingthesampleareaand(2)retrievingallaffectedfish,whichmaytakeuptothreedays.1.2Advantages:1.2.1Easilydetoxified.1.2.2Allnativefreshwaterfisharesusceptible,butithaslowtoxicitytomammalsandbirds.1.2.3Atlowconcentrationsfishtoxicitydependsonspecies,age,andsize.1.2.4Thesuffocatingactionisreversible.1.3Limitations:1.3.1Itislesseffectiveincold(below20176;C)andhighlyalkalinewater.1.3.2Smallerfishandthosewithoutairbladdersusuallydonotfloat.1.3.3Completelyrandomselectionofsampleareasisnotpossible.1.3.4Overkillbeyondsampleareacansometimesoccur.1.3.5Foodweborganismsmaybeeliminated.1.4Applications8212;thispracticeisusefulinbothshort-andlong-termstudiesformanagementandimpactassessmentpurposes.Itisadaptabletobothloticandlenticsituationsinlittoralandlimneticareas.1.5Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Forspecifichazards,seeSection6.
【中国标准分类号】:B50
【国际标准分类号】:67_120_30
【页数】:3P.;A4
【正文语种】:
【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】: