NF A50-400-2009 铝和铝合金.旋转铸坯的规范
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来源:标准资料网
【英文标准名称】:Aluminiumandaluminiumalloys-Rollingingots-Specifications.
【原文标准名称】:铝和铝合金.旋转铸坯的规范
【标准号】:NFA50-400-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-10-01
【实施或试行日期】:2009-10-23
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Aluminium;Aluminiumalloys;Bars(materials);Continuouscasting;Definitions;Dimensions;Extruding;Extrusioningots;Finishes;Formtolerances;Ingots;Limitdeviations;Marking;Materials;Metals;Non-ferrousmetals;Rolled;Rollingingots;Semi-finishedproducts;Specification;Specification(approval);Storage;Testcertificates;Testing;Transport
【摘要】:
【中国标准分类号】:H61
【国际标准分类号】:77_150_10
【页数】:15P;A4
【正文语种】:其他
【英文标准名称】:StandardTestMethodforNondestructiveDetectionofLeaksinPackagesbyVacuumDecayMethod
【原文标准名称】:用真空衰变法的包装紧密性无损检验的标准试验方法
【标准号】:ASTMF2338-2007
【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】:F02.40
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:衰变;检漏;非破坏性的;包装件;运输;真空的
【英文主题词】:absolutepressuretransducer;barrierperformance;block;criteriaparameters;differentialpressuretransducer;flexiblepackaging;foodpackages;holeleaks;holes;leaks;mask;medicalpackages;non-destructivetesting;packageintegritymonitoring;packageintegritytest;permeablepackaging;pharmaceuticalpackages;porousbarrier;porousbarriermaterial;porouspackaging;pressurechangeleaktesting;pressuretransducer;sealintegritymonitoring;sealintegritytest;sealleaks;semi-rigidthermoformedtrays;sterileintegritytest;vacuumdecayleaktesting;vacuumleaktesting;volumetricairflowmeter
【摘要】:Leaksinmedicaldevice,pharmaceuticalandfoodpackagesmayresultintheingressofunwantedgases(mostcommonlyoxygen),harmfulmicrobiologicalorparticulatecontaminants.Packageleaksmayappearasimperfectionsinthepackagecomponentsthemselvesoratthesealjuncturebetweenmatedcomponents.Theabilitytodetectleaksisnecessarytoensureconsistencyandintegrityofpackages.Afterinitialset-upandcalibration,theoperationsofindividualtestsmaybesemi-automatic,automaticormanual.Thetestmethodpermitsthenon-destructivedetectionofleaksnotvisiblydetectable.Thetestmethoddoesnotrequiretheintroductionofanyextraneousmaterialsorsubstances,suchasdyesorgases.However,itisimportanttophysicallymaskorblockoffanyporousbarriersurfaceofthepackageduringthetesttopreventarapidlossofchambervacuumresultingprimarilyfromgasmigrationthroughtheporoussurface.Leakdetectionisbasedsolelyontheabilitytodetectthechangeinpressureinsidethetestchamberasaresultofairegressfromtheproperlymaskedpackagewhenchallengedwithvacuumconditions.Thistestisausefulresearchtoolforoptimizationofpackagesealingparametersandforcomparativeevaluationofvariouspackagesandmaterials.Thistestmethodisalsoapplicabletoproductionsettingsasitisrapid,non-invasiveandnon-destructive,makingitusefulforeither100%on-linetestingortoperformtestsonastatisticalsamplingfromtheproductionoperation.Leaktestresultsthatexceedthepermissiblelimitsforthevacuumdecaytestareindicatedbyaudibleorvisualsignalresponses,orboth.1.1TestPackagesPackagesthatcanbenondestructivelyevaluatedbythistestmethodinclude:1.1.1Rigidandsemi-rigidnon-liddedtrays.1.1.2Traysorcupssealedwithporousbarrierliddingmaterial.1.1.3Rigid,nonporouspackages.1.1.4Flexible,nonporouspackages(see1.2.4).1.2LeaksDetected-Thistestmethodiscapableofdetectingpackageleaksusinganabsoluteordifferentialpressuretransducerleakdetector.Thesensitivityofatestisafunctionofthesensitivityofthetransducer,thepackagedesign,thedesignofthepackagetestfixture,andcriticaltestparametersoftimeandpressure.Typesandsizesofleaksthatmaybedetectedforvariouspackagesystems,aswellastestsensitivitiesaredescribedbelow.Thesedataarebasedonprecisionandbiasconfirmationstudies.1.2.1TraysorCups(Non-lidded)-Holeorcrackdefectsinthewallofthetray/cupofatleast50mindiametercanbedetectedataTargetVacuumof4104Pa(400mbar)usinganabsolutepressuretransducertestinstrument.1.2.2TraysSealedwithPorousBarrierLiddingMaterial-Holeorcrackdefectsinthewallofthetray/cupofatleast100mindiametercanbedetected.Channeldefectsinthesealarea(madeusingwiresof125mindiameter)canbedetected.Severesealbondingdefectsinbothcontinuousadhesiveanddotmatrixadhesivepackagesystemscanbedetected.Slightlyincompletedotmatrixadhesivebondingdefectscanalsobedetected.AllporousbarrierliddingmaterialpackagesweretestedataTargetVacuumof4104Pa(400mbar)usinganabsolutepressuretransducertestinstrument.Usingacalibratedvolumetricairflowmeter,thesensitivityofthetestforporousliddedpackagesisshowntobeapproximately10-2Pam3s-1.1.2.3Rigid,NonporousPackages-Holedefectsofatleast5mindiametercanbedetected.Allrigid,nonporouspackagesweretestedatatargetvacuumof5104Pa(500mbar)usingadifferentialpressuretransducertestinstrument.Usingacalibratedvolumetricairflowmeter,thesensitivityofthetestforrigid,nonporouspackagesisshowntobeapproxima......
【中国标准分类号】:A82
【国际标准分类号】:55_180_40;55_180_40
【页数】:9P.;A4
【正文语种】:
基本信息
| 标准名称： | 探鱼仪工作频率分配及其防止声波干扰技术条件 |
| 英文名称： | Technical requirements of operational frequency distribution and anti-interference of sound for fishfinders |
| 中标分类： |
农业、林业 >>
农、林机械与设备 >>
渔业机械与设备 |
| ICS分类： |
农业 >>
捕捞和水产养殖
|
| 替代情况： | 替代GB 8586-1988 |
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 中国国家标准化管理委员会 |
| 发布日期： | 1988-01-05 |
| 实施日期： | 2008-03-01 |
| 首发日期： | 1988-01-05 |
| 作废日期： | |
| 主管部门： | 农业部 |
| 提出单位： | 中华人民共和国农业部 |
| 归口单位： | 全国水产标准化技术委员会渔业机械仪器分技术委员会 |
| 起草单位： | 中国水产科学研究院渔业机械仪器研究所 |
| 起草人： | 刘丽珍、石晓天 |
| 出版社： | 中国标准出版社 |
| 出版日期： | 2008-03-01 |
| 页数： | 8页 |
| 计划单号： | 20050223-T-326 |
适用范围
本标准规定了探鱼仪的工作频率、接收系统频率特性曲线、发射声脉冲宽度、发射电功率衰减装置及换能器指向性的技术要求。
本标准适用于海洋作业探鱼仪的设计、制造。对于渔船上使用的网位仪、潮流计等水声仪器亦可参照执行。
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所属分类： 农业 林业 农 林机械与设备 渔业机械与设备 农业 捕捞和水产养殖
