DIN EN 3956-2002 航空航天系列.银基合金AG-B14001(AgCu42Ni2).铜焊用填充金属.金属线;德文版本EN3956:2001
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【英文标准名称】:Aerospaceseries-SilverbasealloyAG-B14001(AgCu42Ni2)-Fillermetalforbrazing,wire;GermanversionEN3956:2001
【原文标准名称】:航空航天系列.银基合金AG-B14001(AgCu42Ni2).铜焊用填充金属.金属线;德文版本EN3956:2001
【标准号】:DINEN3956-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:银;铜焊;银合金;金属线;回声测深探头;化学成分;航空航天运输;飞行器;银基合金;特性;航空运输;硬钎焊合金;多语种的;轧制的;材料
【英文主题词】:Aerospacetransport;Airtransport;Aircraft;Brazing;Brazingalloys;Chemicalcomposition;Materials;Multilingual;Properties;Rolled;Silver;Silveralloys;Silverbasisalloys;Soundingheads;Wires
【摘要】:Thedocumentspecifiestherequirementsrelatingtofillermetalforbrazing,wireinsilverbasealloyAG-B14001foraerospaceapplications.#,,#
【中国标准分类号】:V11
【国际标准分类号】:49_025_15
【页数】:10P;A4
【正文语种】:德语
【英文标准名称】:Child-resistantpackaging-Requirementsandtestingproceduresforreclosablepackages
【原文标准名称】:防儿童拆卸包装.可重复使用的包装件要求和试验程序
【标准号】:BSEN28317-1993
【标准状态】:作废
【国别】:英国
【发布日期】:1993-02-15
【实施或试行日期】:1993-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:包装;图解表示法;试验条件;儿童保护设备;药物包装容器;容器;图形表示;性能试验;危险物质;包装件;实验数据;儿童;成年人;定型鉴定;重复使用包装件;家庭安全;认可试验
【英文主题词】:
【摘要】:
【中国标准分类号】:A82
【国际标准分类号】:55_020
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:Acoustics-Measurementofinsertionlossofductedsilencerswithoutflow-Laboratorysurveymethod
【原文标准名称】:声学.无气流管道消声器插入的损耗测量.实验室调查法
【标准号】:BSENISO11691-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-03-15
【实施或试行日期】:1997-03-15
【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】:实验室试验;空调系统;性能;再现性;试验室;声强;试验设备;声学;噪声控制装置;声学测量;声学设备;频率;噪声控制;管廊;声源;调查;消声器
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Airducts;Cables;Calibration;Canals;Checkingequipment;Classes;Definitions;Ducts;Enginesilencers;Flow;Insertionloss;Laboratorytesting;Laboratorytests;Loudspeakers;Measurement;Measurementcircuits;Measuringenvironment;Measuringequipment;Measuringtechniques;Microphones;Mineralwool;Noiseabatement;Precision;Reverberationrooms;Sonictesting;Sound;Soundmeters;Soundsources;Testresults;Testing
【摘要】:1GeneralThisInternationalStandardspecifiesalaboratorysub-stitutionmethodtodeterminetheinsertionlosswithoutflowofducted,mainlyabsorbent,circularandrectangularsilencers,aswellasotherductelementsforuseinventilatingandair-conditioningsystems.NOTE1LaboratorymeasurementproceduresforductedsilencerswithsuperimposedflowaredescribedinISO7235.ThisInternationalStandardisapplicabletosilencerswherethedesignvelocitydoesnotexceed15m/s.Asthemethoddoesnotincludeself-generatedflownoise,thisInternationalStandardisnotsuitablefortestsonsilencerswherethistypeofnoiseisofgreatimportancefortheevaluationofthesilencerper-formance.TheinsertionlossdeterminedaccordingtothisInter-nationalStandardinalaboratorywillnotnecessarilybethesameastheinsertionlossthatwillbeobtainedinaninstallationinthefield.Differentsoundandflowfieldsintheductwillyielddifferentresults.AsthisInternationalStandardrequiresregulartestducts,theresultsmayincludesomeflankingtransmissionviastructuralvibrationsintheductwalls,thatsetsanupperlimittotheinsertionlossthatcanbedeter-mined.NOTE2ISO7235givesmethodsfordeterminingthislimit.ThisInternationalStandardisintendedtobeusedforcircularsilencerswithdiametersof80mmto2000mmorrectangularsilencerswithcross-sectionalareaswithinthesamerange.2MeasurementuncertaintyExactinformationontheprecisionofthemethodcannotbegivenatthistime.ThereforethisInter-nationalStandardisdenotedasurveystandard.Interlaboratorytestsarenecessaryforthedetermi-nationofthestandarddeviationofreproducibility,σR,ofthemethod(relevanttermsandmethodsaregiveninISO5725-1).Itis,however,estimatedthatthismethodwillhaveaσRwhichiscomparabletothatofISO7235.Seetable1.
【中国标准分类号】:A42
【国际标准分类号】:17_140_99
【页数】:18P.;A4
【正文语种】:英语
