SAE AS7225 Rivets, Carbon Steel Procurement Specification For
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来源:标准资料网
Product Code:SAE AS7225
Title:Rivets, Carbon Steel Procurement Specification For
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:This procurement specification covers aircraft-quality solid rivets and tubular end rivets made from a carbon steel of the type identified under the Unified Numbering System as UNS G10100.
【英文标准名称】:Cinematography;16mmmotion-picturefilmperforated8mmTypeR;cuttingandperforatingdimensions
【原文标准名称】:电影在16mm电影胶片上打普通8mm胶片片孔裁切和打孔尺寸
【标准号】:ISO486-1988
【标准状态】:现行
【国别】:国际
【发布日期】:1988-11
【实施或试行日期】:1988-11-01
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC36
【标准类型】:()
【标准水平】:()
【中文主题词】:优先尺寸;孔眼;电影摄影;电影胶片;穿孔;16mm电影胶片;尺寸;切削
【英文主题词】:Cinematography;Cutting;Design;Dimensions;Films;Motion-picturefilm;Perforations;Preferredsizes;Rawstockfilms
【摘要】:
【中国标准分类号】:G81
【国际标准分类号】:37_060_20
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:Acoustics;hearingprotectors;part1:subjectivemethodforthemeasurementofsoundattenuation
【原文标准名称】:声学护听器第1部分:声衰减测量的主观法
【标准号】:ISO4869-1-1990
【标准状态】:现行
【国别】:国际
【发布日期】:1990-12
【实施或试行日期】:1990-12-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC43
【标准类型】:()
【标准水平】:()
【中文主题词】:声学;隔音;声学测量;护耳器;衰减
【英文主题词】:Acousticmeasurement;Acoustics;Attenuation;Audiobility;Auditorythreshold;Closedtestrooms;Convergence;Definitions;Earmuffs;Earplugs;Earprotectors;Ear-mufftypewearingprotectors;Electricalengineering;Insulations;Listeningtests;Lossofhearing;Measurement;Measurementofthresholdofaudibility;Measuringequipment;Measuringresults;Methods;Methodsformeasuring;Noise;Noiseabatement;Noisecontrol;Noisemeasurements;Safetydevices;Signals;Sound;Soundinsulation;Soundpressure;Soundpressurelevel;Testpersons;Testing;Vibrationengineering
【摘要】:Specifiesamethodformeasuringsoundattenuationatthethresholdofhearing.Theprocedureisdesignedtoyieldvaluesclosetothemaximumattenuationwhicharenotnormallyattainedunderfieldconditions.Thevaluesreflecttheattenuatingcharacteristicsonlytotheextentthatuserswearthedeviceinthesamemannerasdidthetestsubjects.Dataarecollectedatlowsoundpressurelevelsbutwhicharealsorepresentativeofthevaluesathighersoundpressurelevels.
【中国标准分类号】:C71
【国际标准分类号】:13_340_20
【页数】:7P.;A4
【正文语种】:英语
