DIN ISO 9154-2008 强度等级为1550MPa、耐热镍基合金制造的MJ螺纹螺栓.采购规范
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【英文标准名称】:Aerospace-Bolts,withMJthreads,madeofheat-resistantnickel-basedalloy,strengthclass1550MPa-Procurementspecification(ISO9154:1999);TextinGermanandEnglish
【原文标准名称】:强度等级为1550MPa、耐热镍基合金制造的MJ螺纹螺栓.采购规范
【标准号】:DINISO9154-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;合金钢;螺栓;能力鉴定;定义;交货条件;尺寸;高温;锁定装置及定位装置;作标记;材料;多语种的;镍;镍基合金;采购;合格;质量控制;螺钉;航天运输;规范;强度等级;抗拉强度;测试;螺纹
【英文主题词】:Aerospacetransport;Airtransport;Alloysteels;Bolts;Capabilityapproval;Definition;Definitions;Deliveryconditions;Dimensions;Hightemperature;Lockingandlocatingdevices;Marking;Materials;Multilingual;Nickel;Nickelbasealloys;Procurements;Qualifications;Qualitycontrol;Screws(bolts);Spacetransport;Specification;Strengthclass;Tensilestrength;Testing;Threads
【摘要】:ThisInternationalStandardspecifiesthecharacteristicsnadqualityassurancerequirementsforMJthreadsboltsmadeofheat-resistingnickel-basealloy,ofstrengthclass1550MPa,foraerospaceconstruction.Itisapplicablewheneveritisreferencedinadefinitiondocument.
【中国标准分类号】:V20
【国际标准分类号】:49_030_20
【页数】:59P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforMeasuringHeatTransferRateUsingaThin-SkinCalorimeter
【原文标准名称】:用薄皮热量计测量传热速率的标准试验方法
【标准号】:ASTME459-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:E21.08
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:叠层板材;纤维;航天技术;热量计;热传递;规范(验收);材料;测量;航空航天运输
【英文主题词】:calorimeter;convective;heatflux;heattransferdistribution;heattransferrate;radiative;thin-skin
【摘要】:Thistestmethodmaybeusedtomeasuretheheattransferratetoametallicorcoatedmetallicsurfaceforavarietyofapplications,including:3.1.1Measurementsofaerodynamicheatingwhenthecalorimeterisplacedintoaflowenvironment,suchasawindtunneloranarcjet;thecalorimeterscanbedesignedtohavethesamesizeandshapeastheactualtestspecimenstominimizeheattransfercorrections;3.1.2Heattransfermeasurementsinfiresandfiresafetytesting;3.1.3Laserpowerandlaserabsorptionmeasurements;aswellas,3.1.4X-rayandparticlebeam(electronsorions)dosimetrymeasurements.Thethin-skincalorimeterisoneofmanyconceptsusedtomeasureheattransferrates.Itmaybeusedtomeasureconvective,radiative,orcombinationsofconvectiveandradiative(usuallycalledmixedortotal)heattransferrates.However,whenthecalorimeterisusedtomeasureradiativeormixedheattransferrates,theabsorptivityandreflectivityofthesurfaceshouldbemeasuredovertheexpectedradiationwavelengthregionofthesource.In4.6and4.7,itisdemonstratedthatlateralheatconductioneffectsonalocalmeasurementcanbeminimizedbyusingacalorimetermaterialwithalowthermalconductivity.Alternatively,adistributionoftheheattransferratemaybeobtainedbyplacinganumberofthermocouplesalongthebacksurfaceofthecalorimeter.Inhightemperatureorhighheattransferrateapplications,theprincipaldrawbacktotheuseofthin-skincalorimetersistheshortexposuretimenecessarytoensuresurvivalofthecalorimetersuchthatrepeatmeasurementscanbemadewiththesamesensor.Whenoperationtoburnoutisnecessarytoobtainthedesiredheatfluxmeasurements,thin-skincalorimetersareoftenagoodchoicebecausetheyarerelativelyinexpensivetofabricate.FIG.1TypicalThin-SkinCalorimeterforHeatTransferMeasurement1.1Thistestmethodcoversthedesignanduseofathinmetalliccalorimeterformeasuringheattransferrate(alsocalledheatflux).Thermocouplesareattachedtotheunexposedsurfaceofthecalorimeter.Aone-dimensionalheatflowanalysisisusedforcalculatingtheheattransferratefromthetemperaturemeasurements.Applicationsincludeaerodynamicheating,laserandradiationpowermeasurements,andfiresafetytesting.1.2Advantages1.2.1SimplicityofConstructionThecalorimetermaybeconstructedfromanumberofmaterials.Thesizeandshapecanoftenbemadetomatchtheactualapplication.Thermocouplesmaybeattachedtothemetalbyspot,electronbeam,orlaserwelding.1.2.2Heattransferratedistributionsmaybeobtainedifmetalswithlowthermalconductivity,suchassomestainlesssteels,areused.1.2.3Thecalorimeterscanbefabricatedwithsmoothsurfaces,withoutinsulatorsorplugsandtheattendanttemperaturediscontinuities,toprovidemorerealisticflowconditionsforaerodynamicheatingmeasurements.1.2.4Thecalorimetersdescribedinthistestmethodarerelativelyinexpensive.Ifnecessary,theymaybeoperatedtoburn-outtoobtainheattransferinformation.1.3Limitations1.3.1Athigherheatfluxlevels,shorttesttimesarenecessarytoensurecalorimetersurvival.1.3.2Forapplicationsinwindtunnelsorarc-jetfacilities,thecalorimetermustbeoperatedatpressuresandtemperaturessuchthatthethin-skindoesnotdistortunderpressureloads.Distortionofthesurfacewillintroducemeasurementerrors.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5......
【中国标准分类号】:A42
【国际标准分类号】:17_200_10
【页数】:7P.;A4
【正文语种】:
基本信息
| 标准名称： | 进出口油脂中抗氧化剂的测定液相色谱法 |
| 英文名称： | Method for the determination of antioxidants in oils and fats for import and export--Liquid chromatography |
| 中标分类： |
食品 >>
食品加工与制品 >>
油脂加工与制品 |
| 发布部门： | 中华人民共和国国家质量监督检验检疫总局 |
| 发布日期： | 2002-01-16 |
| 实施日期： | 2002-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 起草单位： | 国家认证认可监督管理委员会 |
| 出版日期： | 1900-01-01 |
| 页数： | 平装16开， 页数：7， 字数：8千字 |
适用范围
本标准规定了进出口油脂中青年种抗氧化剂的高效液相色谱测定方法。
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所属分类： 食品 食品加工与制品 油脂加工与制品
