JT/T 386-1999 汽油车排放气体测试仪技术条件

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基本信息
标准名称:汽油车排放气体测试仪技术条件
英文名称:Specifications of measuring instrument for exhaust gas emissions from vehicle with petrol engine
中标分类: 公路、水路运输 >> 公路运输 >> 公路车辆维修设备
替代情况:被JT/T 386-2004代替
发布日期:1999-02-24
实施日期:1999-03-01
首发日期:
作废日期:2004-07-15
出版日期:
页数:13页
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所属分类: 公路 水路运输 公路运输 公路车辆维修设备
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【英文标准名称】:StandardTestMethodsforPalletsandRelatedStructuresEmployedinMaterialsHandlingandShipping
【原文标准名称】:在材料搬运和船运中托盘和有关设备的标准试验方法
【标准号】:ASTMD1185-1998a(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:D10.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:pallet;performance;testing;Compressiontesting--containermaterials;Durability;Flexuraltesting;Fork-tipimpactresistance;Handlingmaterial;Impactresistance;Impacttesting--shippingmaterials;Lateralstability;Loadingtests--shippingmaterial
【摘要】:Staticcompressionandbendingtestsprovidedatathatareusedtoestimatestiffness,strength,andsafeworkingloadsforpalletsunderspecifiedloadandsupportconditions.Theseestimatesprovideabasisfordesigningpalletsandcomparingtheperformancebetweenpalletsofdifferentdesignsandconstructions.Dynamictestsprovidedatawhichareusedtoestimatethephysicaldurabilityandfunctionalityofapalletinspecifiedmaterialhandlingandshippingenvironments.Theseestimatesprovideabasisfordesigningsingleormultiple-usepallets.Othertestsmaybeperformedtoassessthepropertiesofspecificmaterials(TestMethodsD2395,D4442,D4444,andT208OM)andconnectingdevices(TestMethodsD1761,F680,TestMethodF1575,andSpecificationF1667),designfeatures,useapplications,andothervariablesencountered.1.1Thesetestmethodscovertheperformanceofpalletsandrelatedstructures,functioningasskids,bases,platforms,andbinsinmaterialshandlingandshipping.Theirusefacilitatestheprotectionofbothpackagedandunpackagedproductsduringstorageandtransportation.Thetestmethodsincludemeasurementsoftherelativeresistanceofpalletsandrelatedstructurestodeformations,damages,andstructuralfailureswhichdetrimentallyaffectthefunctionalityoftheunitload.1.2Thesetestmethodsincludeconditioningrequirements,staticstiffnessandstrengthtests,anddynamictestsofstructuralreliability.Thesetestmethodsareusedtoevaluatetherelativeperformanceofnew,used,orreconditionedgeneralandspecial-purposepalletsfabricatedfromvariousmaterialsincludingsolidwood,woodcomposites,fiberboard,honeycomb,plastics,ormetal,ortocomparetheperformanceofsuchpalletsandrelatedstructurestospecifiedperformancecriteria.RecommendedcriteriaforalltestsspecifiedinthisstandardarelistedinAppendixX2.1.2.1Thesetestmethodsarealsousedtoclassifypalletsassingle-ormultiple-usepalletsandtodeterminethesafeworkingloadsforpalletsunderspecifiedloadandsupportconditions.1.3NonmandatoryPreliminaryTests8212;Becauseeachpalletmaybeusedunderseveraldifferentconditionsofloadandsupport,pallet-designconsiderationsandsafeworking-loadestimatesshallbebasedonthatconditionunderwhichthepalletoffersleastresistanceorismostseverelystressed.1.3.1Preliminary,short-durationstatictestsuptotheultimate(see8.2,8.3,and8.4)shallbeperformedonpreviouslynon-testedpalletstodeterminewhichloadandsupportconditionsinfluencemostseverelythepalletload-carryingcapacityandsafeworkingloads.1.3.2Duringthedevelopmentofprototypesleadingtodesignsthatwillbesubjecttoacceptancetesting,asdescribedin1.4,thesepreliminarytestsshallincludethefree-falldroptestsinaccordancewith9.1.1.4MandatoryAcceptanceTests:1.4.1General-PurposePallets8212;Whentheobjectiveofthetestistodeterminethesafeworkingloadortoclassifyageneral-purposepalletasasingle-ormultiple-usepallet,alltestsdescribedinthesetestmethodsshallbeperformedintheorderspecified.Thesamepalletshallbeusedforallstaticanddynamictests,wherefeasible.1.4.2Special-PurposePallets8212;Whentheobjectiveofthetestistodeterminethesafeworkingloadortoclassifyaspecial-purposepallet,asas......
【中国标准分类号】:A82
【国际标准分类号】:
【页数】:11P.;A4
【正文语种】:英语


基本信息
标准名称:石油天然气钢质管道对接焊缝射线照相及质量分级
英文名称:Methods for Radiographic Inspection and Quality Classification of Welded Girth Butt Joints in Oil and Gas Steel Pipelines
中标分类: 机械 >> 加工工艺 >> 焊接与切割
替代情况:被SY/T 4109-2005代替
发布日期:1993-03-27
实施日期:1993-09-01
首发日期:1900-01-01
作废日期:1900-01-01
出版日期:1900-01-01
页数:24页
适用范围

没有内容

前言

没有内容

目录

没有内容

引用标准

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所属分类: 机械 加工工艺 焊接与切割