BS EN 1309-1-1997 圆木和锯木.尺寸的测量方法.第1部分:锯木
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【英文标准名称】:Roundandsawntimber-Methodofmeasurementofdimensions-Sawntimber
【原文标准名称】:圆木和锯木.尺寸的测量方法.第1部分:锯木
【标准号】:BSEN1309-1-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-09-15
【实施或试行日期】:1997-09-15
【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】:尺寸测量;容积测量;锯材;长度测量;厚度测量;宽度测量;硬木;软木;原木;木材
【英文主题词】:Diameter;Dimensions;Laminatedwood;Length;Logs;Measurement;Measuringtechniques;Sawntimber;Thickness;Volume;Width;Wood
【摘要】:Appliestohardwoodandsoftwoodsawntimber,bothsquareedgedandunedged,butdoesnotapplytotropicaltimber.
【中国标准分类号】:B69
【国际标准分类号】:79_040
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Six-LiterWaterClosetsEquippedwithDualFlushingDevice
【原文标准名称】:配备双冲设备的六升抽水马桶
【标准号】:ASMEA112.19.14-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006-07-10
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:冲洗;抽水马桶
【英文主题词】:Flushing;Waterclosets
【摘要】:ThisStandardestablishesphysical,material,testing,andmarkingrequirementsfor6Lwaterclosetsthatincorporateawater-conserving,dual-flushingfeatureintothefixture.ThetestsspecifiedinthisStandardarefortheremovalofliquidwastesandtoilettissueorothercomparablewasteloadsthatareexpectedwhenactuatingthereducedflushfeatureoftheunit.Theuseofalternatematerialsormethodsispermitted,providedthattheproposedmaterialandmethodcomplywiththeperformancerequirementsandtheintentofthisStandard.
【中国标准分类号】:Q81
【国际标准分类号】:91_140_70
【页数】:8P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofAmmonium,AlkaliandAlkalineEarthMetalsinHydrogenandOtherCellFeedGasesbyIonChromatography
【原文标准名称】:采用离子色相光谱法测定氢电池和其他电池中灌注气体的的氨,碱和碱土金属含量的标准试验办法
【标准号】:ASTMD7550-2009
【标准状态】:现行
【国别】:
【发布日期】:2009
【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】:D03.14
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ammonia;calcium;cations;fuelcells;gaseousfuels;hydrogen;ionchromatography;magnesium;PEM;potassium;protonexchangemembrane;sampling;sodium
【摘要】:Lowoperatingtemperaturefuelcellssuchasprotonexchangemembrane(PEM)fuelcellsrequirehighpurityhydrogenformaximummaterialperformanceandlifetime.Analysistopart-per-billion(ppb)concentrationofindividualcationcontaminantssuchaspotassium,sodiumandammoniuminhydrogenandrelatedfuelcellsupplygasesisnecessaryforassuringafeedgasofsufficientpuritytosatisfyfuelcellsystemneeds.Morespecifically,cationssuchasammoniumcausesirreversibleperformancedegradationofprotonexchangemembranesusedinlowtemperaturefuelcellsbyreactingwithprotonsinthemembranetoformammoniumions.Althoughnotintendedforapplicationtogasesotherthanhydrogenandrelatedfuelcellsupplygases,techniqueswithinthistestmethodcanbeappliedtoothergaseoussamplesrequiringcationanalysis.1.1Thistestmethoddescribesaprocedureforthedeterminationofcationsinhydrogenandotherfuelcellfeedgases.Ithasbeensuccessfullyappliedtoothertypesofgaseoussamplesincludingair,engineexhaust,andlandfillsamples.Anionchromatograph/conductivitydetector(IC/CD)systemisusedtodeterminecations.Sensitivityfromlowpartperbillion(ppb,x03BC;g/l,x03BC;g/kg)uptopartpermillion(ppm,mg/l,mg/kg)concentrationareachievabledependantontheamountofhydrogenorotherfuelcellgassampled.Thistestmethodcanbeappliedtoothergaseoussamplesrequiringanalysisoftraceconstituentsprovidedanassessmentofpotentialinterferenceshasbeenaccomplished.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:
【国际标准分类号】:27_070;71_040_50
【页数】:5P.;A4
【正文语种】:
