NF L14-339-2005 航空航天系列.铝合金AL-PR39002.H112.模锻件.a≤200mm
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来源:标准资料网
【英文标准名称】:Aerospaceseries-AluminiumalloyAL-R39002-H112-Dieforgings-a【原文标准名称】:航空航天系列.铝合金AL-PR39002.H112.模锻件.a≤200mm
【标准号】:NFL14-339-2005
【标准状态】:现行
【国别】:法国
【发布日期】:2005-10-01
【实施或试行日期】:2005-10-20
【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】:航空航天运输;航空运输;合金;铝;铝合金;使用;化学成分;交货条件;尺寸;模锻件;锻件;热处理;检验;材料;材料数据;金属材料;金属;多语种的;特性;航天运输;规范(验收);试样;试验
【英文主题词】:Aerospacetransport;Airtransport;Alloys;Aluminium;Aluminiumalloys;Applications;Chemicalcomposition;Deliveryconditions;Dimensions;Dropforgings;Forgings;Heattreatment;Inspection;Materials;Materialsdata;Metallicmaterials;Metals;Multilingual;Properties;Spacetransport;Specification(approval);Testspecimens;Testing
【摘要】:
【中国标准分类号】:V11
【国际标准分类号】:49_025_20
【页数】:12P.;A4
【正文语种】:其他
【英文标准名称】:Threadedsteelpipefittings;Plugs,caps
【原文标准名称】:带螺纹的钢管配件.管堵.管帽
【标准号】:DIN2991-1963
【标准状态】:作废
【国别】:
【发布日期】:
【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】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
【正文语种】:
【英文标准名称】:StandardTestMethodforElectricalConductivityandResistivityofaFlowingHighPurityWaterSample
【原文标准名称】:高纯度流动水样品电导性和电阻率的标准试验方法
【标准号】:ASTMD5391-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cation;conductivity;highpuritywatermeasurements;resistivity;specificconductance;specificresistance;Conductanceandconductivity(electrical)--water;Contamination--water;High-puritywater;Instrumentalmeasurement--water;Ioniccontaminatio
【摘要】:Conductivitymeasurementsaretypicallymadeonsamplesofmoderatetohighionicstrengthwherecontaminationofopensamplesinroutinelaboratoryhandlingisnegligible.Underthoseconditions,standardtemperaturecompensationusingcoefficientsof1to3%ofreadingperdegreeCelsiusoverwideconcentrationrangesisappropriate.Incontrast,thistestmethodrequiresspecialconsiderationstoreducetracecontaminationandaccommodatesthehighandvariabletemperaturecoefficientsofpurewatersamplesthatcanrangeashighas7%ofreadingperdegreeCelsius.Inaddition,measuringinstrumentdesignperformancemustbeprovenunderhighpurityconditions.Thistestmethodisapplicablefordetectingtraceamountsofioniccontaminantsinwater.Itistheprimarymeansofmonitoringtheperformanceofdemineralizationandotherhighpuritywatertreatmentoperations.Itisalsousedtodetectioniccontaminationinboilerwaters,microelectronicsrinsewaters,pharmaceuticalprocesswaters,etc.,aswellastomonitorandcontrolthelevelofboilerandpowerplantcyclechemistrytreatmentchemicals.ThistestmethodsupplementsthebasicmeasurementrequirementsforTestMethodsD1125,D2186,andD4519.Atverylowlevelsofalkalinecontamination,forexample,0x2013;1x03BC;g/LNaOH,conductivityissuppressed,andcanactuallybeslightlybelowthetheoreticalvalueforpurewater.(13,14)Alkalinematerialssuppressthehighlyconductivehydrogenionconcentrationwhilereplacingitwithlessconductivesodiumandhydroxideions.Thisphenomenonisnotaninterferencewithconductivityorresistivitymeasurementitselfbutcouldgivemisleadingindicationsofinferredwaterpurityinthisrangeifitisnotrecognized.1.1Thistestmethodcoversthedeterminationofelectricalconductivityandresistivityofhighpuritywatersamplesbelow10x03BC;S/cm(above0.1Mohm-cm).Itisapplicabletobothcontinuousandperiodicmeasurementsbutinallcases,thewatermustbeflowinginordertoproviderepresentativesampling.Staticgrabsamplingcannotbeusedforsuchhighpuritywater.Continuousmeasurementsaremadedirectlyinpurewaterprocesslines,orinsidestreamsamplelinestoenablemeasurementsonhightemperatureorhighpressuresamples,orboth.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:13_060_60
【页数】:7P.;A4
【正文语种】:英语
