NF X42-313-1997 生物工程.农业、动植物害虫和环境污染诊断使用的成套设备的质量控制指南.
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【英文标准名称】:Biotechnology.Guidanceforqualitycontrolofdiagnostickitsusedinagriculture,plantandanimalpestanddiseasecontrolandenvironmentalcontamination.
【原文标准名称】:生物工程.农业、动植物害虫和环境污染诊断使用的成套设备的质量控制指南.
【标准号】:NFX42-313-1997
【标准状态】:现行
【国别】:法国
【发布日期】:1997-12-01
【实施或试行日期】:1997-12-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:病虫害防治;农业;植物;生物工艺学;质量保证;生物学;生物技术;生物体;监督(认可);诊断;农产品;植物处理;食品;分析;环境;疾病;;动物;污染;定义;定义;试验;污染控制
【英文主题词】:
【摘要】:
【中国标准分类号】:A40
【国际标准分类号】:07_080;07_100_99
【页数】:10P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodsforBreakingTenacityofManufacturedTextileFibersinLooporKnotConfigurations
【原文标准名称】:环圈结或打结的人造纺织纤维断裂强度标准试验方法
【标准号】:ASTMD3217-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D13.58
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:纤维束抗断裂强度;化学纤维;试验;纺织纤维;纺织材料
【英文主题词】:breakingstrength;fibers;textilefibers
【摘要】:Boththeloopbreakingtenacityandtheknotbreakingtenacity,calculatedfromthebreakingforcemeasuredundertheconditionsspecifiedhereinandthelineardensityofthefiber,arefundamentalpropertiesthatareusedtoestablishlimitationsonfiber-processingandupontheirend-useapplications.Physicalproperties,suchasbrittleness,notwelldefinedbytestsforbreakingforceandelongationcanbeestimatedfromtheratioofbreakingtenacitymeasuredinlooporknottests,orboth,andthenormaltenacityasmeasuredbyTestMethodD3822.Thistestmethodisnotrecommendedforacceptancetestingofcommercialshipmentsintheabsenceofreliableinformationonbetween-laboratoryprecision(seeNote3).Insomecasesthepurchaserandthesuppliermayhavetotestacommercialshipmentofoneormorespecificmaterialsbythebestavailablemethod,eventhoughthemethodhasnotbeenrecommendedforacceptancetestingofcommercialshipments.Insuchacase,ifthereisadisagreementarisingfromdifferencesinvaluesreportedbythepurchaserandthesupplierwhenusingthistestmethodforacceptancetesting,thestatisticalbias,ifany,betweenthelaboratoryofthepurchaserandthelaboratoryofthesuppliershouldbedeterminedwitheachcomparisonbeingbasedontestingspecimensrandomlydrawnfromonesampleofmaterialofthetypebeingevaluated.1.1Thesetestmethodscoverthemeasurementofthebreakingtenacityofmanufacturedtextilefiberstakenfromfilamentyarns,staple,ortowfiber,eithercrimpedoruncrimped,andtestedineitheradoublelooporasastrandformedintoasingleoverhandknot.1.2Methodsformeasuringthebreakingtenacityofconditionedandwet(immersed)fibersinloopandknotformareincluded.1.3Elongationinlooporknottestshasnoknownsignificance,andisusuallynotrecorded.1.4ThebasicdistinctionbetweentheproceduresdescribedinthesetestmethodsandthoseincludedinTestMethodsD2101istheconfigurationofthespecimen,thatis,eitherasadoublelooporintheconfigurationofasingleoverhandknot.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W50
【国际标准分类号】:59_060_20
【页数】:5P.;A4
【正文语种】:
Product Code:SAE AMS7271
Title:Rings, Sealing, Butadiene-Acrylonitrile (NBR) Rubber Fuel and Low Temperature Resistant 60 - 70
Issuing Committee:Ams Ce Elastomers Committee
Scope:This specification covers a butadiene-acrylonitrile (NBR) rubber in the form of molded rings.
