MIL-STD-2525A (NOTICE 1)
时间:2024-05-11 01:16:18 来源: 标准资料网 作者：标准资料网 阅读：8501
MIL-STD-2525A (NOTICE 1), DEPARTMENT OF DEFENSE INTERFACE STANDARD: COMMON WARFIGHTING SYMBOLOGY (10 JUL 1997)., TO ALL HOLDERS OF MIL-STD-2525A:1. THE FOLLOWING PAGES OF MIL-STD-2525A HAVE BEEN REVISED ANDSUPERSEDE THE PAGES LISTED:
【英文标准名称】:PracticeforCompressionTestsofMetallicMaterialsatElevatedTemperatureswithConventionalorRapidHeatingRatesandStrainRates
【原文标准名称】:以公称或快速加热速率和应变速率在高温下进行金属材料压缩试验惯例
【标准号】:ANSI/ASTME209-2000
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【实施或试行日期】:2000-08-15
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:金属;热试验;机械试验;试验
【英文主题词】:mechanicaltesting;thermaltesting;testing;metals
【摘要】:Thispracticecoverscompressiontestinwhichthespecimenisheatedtoaconstantanduniformtemperatureandheldattemperaturewhileanaxialforceisappliedatacontrolledrateofstrain.Note1Inmetalswithextremelyhighelasticlimitorlowmodulusofelasticityitisconceivablethatpercenttotalstrainunderloadcouldbereachedbeforethe0.2percent-offsetyieldstrengthisreached.Inthiseventthe0.2percent-offsetyieldstrengthwillbetheendpointofthetestunlessruptureoccursbeforethatpoint.Note2Foracceptablecompressiontestsitisimperativethatthespecimensnotbucklebeforetheendpointisreached.Forthisreasontheequipmentandprocedures,asdiscussedinthisrecommendedpractice,mustbedesignedtomaintainuniformloadingandaxialalignment.Preferredconditionsoftestingarerecommendedsothatdatafromdifferentsourcesconductingthetestswillbecomparable.Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:
【正文语种】:英语
【英文标准名称】:InformationTechnology-CodingofMovingPicturesandAssociatedAudioforDigitalStorageMediaatuptoabout1,5Mbit/s-Part1:Systems
【原文标准名称】:信息技术.具有1.5Mbit/s及以下的数字存储媒体运动图像及其伴音的编码.第1部分:系统
【标准号】:ANSI/INCITS/ISO/IEC11172-1-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:汇编;录音;信息技术;视频记录;数字记录法
【英文主题词】:Acousticsignals;Codification;Dataprocessing;Digitalengineering;Digitalrecordingmethods;Digitalrecordingtechnique;Encoding;Informationprocessing;Informationtechnology;MPEG;Multimedia;Picturerecording;Soundrecording;Videorecording
【摘要】:ThispartofISO/IEC11172specifiesthesystemlayerofthecoding.ItwasdevelopedprincipallytosupportthecombinationofthevideoandaudiocodingmethodsdefinedinISO/IEC11172-2andISO/IEC11172-3.
【中国标准分类号】:L81
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语