SAE AMS2759/3 Heat Treatment Precipitation-Hardening Corrosion-Resistant and Maraging Steel Parts
作者:标准资料网 时间:2024-05-27 22:58:36 浏览:9675
来源:标准资料网
Product Code:SAE AMS2759/3
Title:Heat Treatment Precipitation-Hardening Corrosion-Resistant and Maraging Steel Parts
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification, in conjunction with the general requirements for steel heat treatment covered in AMS 2759, establishes the requirements for heat treatment of precipitation-hardening corrosion-resistant and maraging steel parts. Parts are defined in AMS 2759.
【英文标准名称】:Acoustics-Measurementofsoundpressurelevelsintheinteriorofaircraftduringflight
【原文标准名称】:声学飞行中飞机内声压级的测量
【标准号】:ISO5129-2001
【标准状态】:现行
【国别】:国际
【发布日期】:2001-10
【实施或试行日期】:
【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】:内部修整;内部;声学测量;噪声辐射;噪声(环境的);试验条件;测量技术;声级;声压;声学;飞行器;测量仪器;定义;测定;声学试验;声强;噪声测量;声压级;试验;试验报告
【英文主题词】:Acousticmeasurement;Acoustictesting;Acoustics;Aircraft;Aircrafts;Calibration;Checkpoint;Crew;Dataanalysis;Definitions;Determination;Filters;Insidenoise;Insidenoiselevel;Interiortrim;Internal;Measurement;Measurementconditions;Measuringinstruments;Measuringtechniques;Noise;Noiseemissions;Noise(environmental);Noisemeasurements;Soundintensity;Soundlevels;Soundpressure;Soundpressurelevel;Soundsources;Sound-levelmeters;Taperecorders;Testmeasurements;Testreport;Testing;Testingconditions;Vibrationengineering;Workingplaces
【摘要】:1ThisInternationalStandardspecifiesrequirementsforinstrumentsandtestproceduresforthemeasurementandreportingofsoundpressurelevelsatcrewandpassengerlocationsintheinteriorofaircraftundersteadyflightconditions.Thesoundpressurelevelsmaybeusedtodeterminevariousquantitiesfordescribingtheacousticalenvironmentintheinterioroftheaircraft.Theproceduresareintendedtoensureuniformityintestresultsandtoprovidethebasisfordeterminationofmeasurementuncertainties.2ThisInternationalStandardprovideselectroacousticalperformancespecificationsforacompletemeasurementsystemfromamicrophonetothereadoutdevice.VariousindividualcomponentsofameasurementsystemmaybeselectedsolongasthetotalmeasurementsystemconformstothespecificationsofthisInternationalStandard.3Thepreferredmeasurementprocedureinvolvestherecordingofsoundpressuresignalswithsubsequentanalysisintoone-third-octavebandsoundpressurelevels.Directmeasurementsmaybemadeofone-third-octave-bandsoundpressurelevels.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_30;49_020
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:MachineTools;BoringandMillingMachineswithHorizontalSpindle;Floor-TypeMachines;AcceptanceConditions
【原文标准名称】:机床.卧式镗铣床.落地式镗铣床.验收条件
【标准号】:DIN8620T.4-1980
【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】:
