SAE AMS5640 Steel, Corrosion-Resistant, Bars, Wire, and Forgings, 18Cr - 9.0Ni, Free Machining
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来源:标准资料网
Product Code:SAE AMS5640
Title:Steel, Corrosion-Resistant, Bars, Wire, and Forgings, 18Cr - 9.0Ni, Free Machining
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers three types of a free-machining, corrosion-resistant steel in the form of bars, wire, forgings, and forging stock.
【英文标准名称】:Acoustics-Determinationofsoundinsulationperformanceofcabins-Laboratoryandinsitumeasurements
【原文标准名称】:声学.客舱隔声性能的测定.实验室和现场测量
【标准号】:BSENISO11957-1997
【标准状态】:作废
【国别】:英国
【发布日期】:1997-08-15
【实施或试行日期】:1997-08-15
【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】:驾驶室;准确度;隔音;声学性质和声学现象;声学试验室;音频设备;现场试验;噪声控制;传声器;声学工程;频率;声学测量;录音;混响室;公式;试验设备;声强;声学试验;保护座舱;声学;性能试验;试验条件;性能;实验室试验
【英文主题词】:Acceptancetests;Acoustictesting;Acoustics;Airbornenoise;Artificial;Booths;Data;Determination;Environment;Externalnoise;Fieldmeasurement;Fieldtest;Handling;Insitu;Information;Insertionloss;Inserts;Installations;Insulations;Interferencelevels;Laboratories;Laboratorytesting;Laboratorytests;Loudspeakers;Measurement;Measurementconditions;Measurementofairbornenoise;Measuringenvironment;Measuringequipment;Measuringincertainity;Measuringinstruments;Measuringobjects;Measuringtechniques;Noise;Noiseabatement;Noisecontrol;Noisecontrol(acoustic);Noise(environmental);Noisemeasurements;Noisesources;Operatingconditions;Operatingstations;Rooms;Sound;Soundattenuation;Sounddeadening;Soundfields;Soundinsulation;Soundinsulationmeasure;Soundpressure;Soundpressurelevel;Soundprotectingcabins;Soundspectra;Specification(approval);Status;Testing;Wear-quantity
【摘要】:ThisInternationalStandardspecifiesalaboratorymethod(clause6)andinsitumethods(clause7)forthedeterminationofthesoundinsulationperformanceofsound-protectingcabins.Thesoundinsulationper-formanceisthereductioninsoundpressurelevelorsoundpowerlevelaffordedbythecabin.Themethodsareapplicabletocabinswithasmallleakratio(θ≤2%).ThisInternationalStandardisapplicabletoacompletecabinonlyandnottotheindividualcomponentsfromwhichitismade.NOTE1Soundinsulationsforcabincomponentssuchaswallelements,doors,windows,silencers,etc.shouldbemeasuredaccordingtootherrelevantstandards.Requirementsforthetestenvironmentinthelabora-toryarebasedonthosegiveninISO3741.
【中国标准分类号】:U04
【国际标准分类号】:17_140_99
【页数】:22P.;A4
【正文语种】:英语
【英文标准名称】:SpecificationforHelmetsUsedinRecreationalBicyclingorRollerSkating
【原文标准名称】:娱乐性自行车运动或滚轴滑冰用防护帽的规范
【标准号】:ANSI/ASTMF1447-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006-05-23
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:骑自行车的人;防护服装;防护设备;头皮防护器
【英文主题词】:Cyclists;Protectiveclothing;Protectiveequipment;Scalpprotectors
【摘要】:Thisspecificationcoversperformancerequirementsforhelmetsmanufacturedforusebyrecreationalbicyclistsorrollerskaters.Thisspecificationrecognizesthedesirabilityoflightweightconstructionandventilation;however,itisaperformancestandardandisnotintendedtorestrictdesign.AlltestingandrequirementsofthisspecificationshallbeinaccordancewithTestMethodsF1446,exceptwherenotedherein.Partialutilizationofthisspecificationisprohibited.Anystatementofcompliancewiththisspecificationshallbeacertificationthattheproductmeetsalloftherequirementsofthespecificationinitsentirety.Aproductthatfailstomeetanyoneoftherequirementsofthisspecificationisconsideredtohavefailedthestandardandshouldnotbesoldwithanyindicationthatitmeetspartsofthestandard.
【中国标准分类号】:Y55
【国际标准分类号】:13_340_20
【页数】:
【正文语种】:英语
