DIN 65188-2011 航空航天.铝合金复合材料制带MJ螺纹的小结构封闭式螺钉锁紧嵌件;德文和英文版
时间:2024-04-28 05:14:27 来源: 标准资料网 作者：标准资料网 阅读：9121
【英文标准名称】:Aerospace-Insertsforcompositematerials,withMJthread,closedtype,lightweight,screw-locking,aluminiumalloy;TextinGermanandEnglish
【原文标准名称】:航空航天.铝合金复合材料制带MJ螺纹的小结构封闭式螺钉锁紧嵌件;德文和英文版
【标准号】:DIN65188-2011
【标准状态】:现行
【国别】:德国
【发布日期】:2011-06
【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】:
【英文主题词】:Aerospacetransport;Airtransport;Aluminiumalloys;Bushes(mechanicalcomponents);Closed;Compositematerials;Dimensions;Fasteners;Inserts;Lockingandlocatingdevices;Marking;Materials;MJ-threads;Screw-locking;Sockets(threaded);Spacetransport;Threadforms;Threads;Tolerances(measurement)
【摘要】:Thisstandardspecifiesthecharacteristicsofinsertsforcompositematerials,withMJthread,closedtype,screw-locking,corrosion-resistingsteelforaerospaceapplications.
【中国标准分类号】:V20
【国际标准分类号】:49_030_30
【页数】:10P.;A4
【正文语种】:
【英文标准名称】:Reciprocatinginternalcombustionengines-Safetyrequirementsfordesignandconstructionofenginesforuseinpotentiallyexplosiveatmospheres-GroupIIenginesforuseinflammabledustatmospheres
【原文标准名称】:往复式内燃机.用于潜在爆炸性环境下发动机结构和设计用安全要求.用于可燃灰尘环境下的II组发动机
【标准号】:BSEN1834-3-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:建筑工程;定义;设计;尘埃;防爆;爆炸性环境;可燃性环境;大气;危害;内燃机;机械工程;电动机;潜在爆炸物;往复式发动机;往复式内燃机;安全;安全要求
【英文主题词】:Constructions;Definition;Definitions;Design;Dust;Explosionprotection;Explosiveatmospheres;Flammableatmospheres;Gasatmosphere;Hazards;Internalcombustionengines;Mechanicalengineering;Motors;Potentiallyexplosivematerials;Reciprocatingengines;Reciprocatinginternalcombustionengines;Safety;Safetyrequirements
【摘要】:ThisEuropeanStandardspecifiesthesafetyrequirementsand/ormeasurestoremovethehazardsandlimittherisksonreciprocatinginternalcombustioncompressionignitionenginesofgroupⅡcategories2and3foruseinflammabledustatmospheres.Thestandarddoesnotdefinerequirementsrelatingtothedrivenmachinery.Theserequirementscanbefoundintheappropriateapplicationstandards.Thisstandarddoesnotapplytoenginesusedinpremisesfortheprocessing,manufactureorstorageofexplosives.ThesafetyrequirementsforenginesforuseinpotentiallyexplosiveatmospheresforundergroundapplicationsaregiveninEN1834-2:2000.ThesafetyrequirementsforenginesforuseinflammablegasandvapouratmospheresaregiveninEN1834-1:2000.Thisstandarddoesnotapplytosparkignitionengines.Thehazardsapplicablearelistedinclause4andrelatetotheadditionalhazardsofoperationinanatmospherethatmaybecomeexplosive.Thetestswhichtheengineanditsancillaryfittingsarerequiredtoundergotoverifycompliancewiththisspecificationaredetailedinthisstandard.Generalsafetyrequirementsi.e.thosecommontoallRICengines,arecoveredinEN1679-1:1998.ThisEuropeanStandardisapplicabletoengineswhicharemanufacturedafterthedateofissueofthisstandard.
【中国标准分类号】:J90
【国际标准分类号】:13_230;27_020
【页数】:26P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingFormaldehydeConcentrationsinAirandEmissionRatesfromWoodProductsUsingaLargeChamber
【原文标准名称】:使用一个大室测定空气中的甲醛浓度和木制品的甲醛排放的标准试验方法
【标准号】:ASTME1333-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D07.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:chromotropicacidanalysis;concentrationinair;emissionrate;formaldehyde;largechamber;woodproductscontainingformaldehyde;Airleakagetesting--buildingmaterials/constructions;Chromotropicacidanalysis;Conversionunits/factors;Formaldehyde;
【摘要】:SignificanceandUse:Limitationsonformaldehydeconcentrationsinairhavebeenestablishedforsomebuildingproductspermanentlyinstalledinmanufacturedandconventionalhomes.Thistestmethodprovidesastandardmeansoftestingtypicalproductsizes,suchas1.2by2.4m(4by8ft)sheets,atproductloadingsconsistentwithproductenduse.SummaryofTestMethod:Thistestmethodincorporatesachamberof22m3(800ft3)minimumsizetoevaluateformaldehydeconcentrationsinairandemissionratesfrombuildingproductsoveraspecifieddurationoftime.Thistestmethodemploysasinglesetofenvironmentalconditionsbutdifferentproductloadingratiostoassessformaldehydeconcentrationsinairandemissionratesfromcertainwoodproducts.Conditionscontrolledintheprocedureareasfollows:Conditioningofspecimenspriortotesting,Exposedsurfaceareaofthespecimensinthetestchamber,Testchambertemperatureandrelativehumidity,Numberofairchangesperhour,andAircirculationwithinthechamber.Attheendofa16to20-hperiodinthetestchamber,theairissampledandtheconcentrationofformaldehydeinairandemissionratearedetermined.Note38212;Caremustbeexercisedintheextensionoftheresultstoformaldehydeconcentrationsinairandemissionratesfromproductsunderdifferentconditionsofairchangerateorloadingratio,orboth.1.1Thistestmethodmeasurestheformaldehydeconcentrationinairandemissionratefromwoodproductscontainingformaldehydeunderconditionsdesignedtosimulateproductuse(see11.5andNote9).Theconcentrationinairandemissionrateisdeterminedinalargechamberunderspecifictestconditionsoftemperatureandrelativehumidity.Thegeneralproceduresarealsointendedfortestingproductcombinationsatproduct-loadingratiosandatair-exchangeratestypicaloftheindoorenvironment(1).Theproductstested,theloadingratiosandtheairexchangeratesemployedaredescribedinthetestreport.1.2Thistestmethoddeterminestheaverageformaldehydeconcentrationinairandemissionratefromanumberoflargesizesamples.Theaverageconcentrationandemissionratereported,thus,willnotprovideinformationonhigherorloweremittingpanelsinthetestlot.1.3Thismethodisprimarilyusedfortestingnewlymanufacturedpanelproductsthatareshippedfortestingeitherseal-wrappedinpolyethyleneorwithwastersheets,orwithboth.Whenthistestmethodisusedforevaluatingotherthannewlymanufacturedpanelproducts(afteroriginalapplication,installationoruse),themethodofpackagingandshippingtheproductfortestingshallbedescribedinthetestreport.1.4ThequantityofformaldehydeintheairsampletakenfromthechamberisdeterminedbyanadaptationoftheNationalInstituteforOccupationalSafetyandHealth(NIOSH)chromotropicacidtestprocedure.Ifanotheranalyticalprocedureisusedtodeterminethequantityofformaldehydeintheairsample,thatprocedureshallgiveresultsofequivalentorgreateraccuracyandprecisionthantheadaptedchromotropicacidprocedure.Detailedproceduresbasedonacetylacetone,pararosaniline(seeTestMethod),2,4-dinitrophenylhydrazine(DNPH)(seeTestMethodD5197)and3-methyl-2-benzothiazoline(MBTH)(seeTestMethod