NF C91-103-2-2009 电磁兼容性.专用音频,视频,视听频和娱乐灯光控制装置用产品类型标准.第2部分:抗干扰性
作者:标准资料网 时间:2024-05-22 10:03:11 浏览:9584
来源:标准资料网
【英文标准名称】:Electromagneticcompatibility-Productfamilystandardforaudio,video,audio-visualandentertainmentlightingcontrolapparatusforprofessionaluse-Part2:immunity.
【原文标准名称】:电磁兼容性.专用音频,视频,视听频和娱乐灯光控制装置用产品类型标准.第2部分:抗干扰性
【标准号】:NFC91-103-2-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-09-01
【实施或试行日期】:2009-09-19
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Audioappliances;Audiovisualequipment;Connections;Controldevices;Decorativelighting;Definitions;Electricalengineering;Electromagneticcompatibility;EMC;Environment;Influencequantities;Interferencerejections;Interferingemissions;Light;Lightingsystems;Limits(mathematics);Locationlighting;Measurement;Measurementconditions;Measuringtechniques;Specification(approval);Studios;Telecommunications;Testing;Testingrequirements;Videoequipment
【摘要】:
【中国标准分类号】:L06
【国际标准分类号】:33_100_20
【页数】:43P;A4
【正文语种】:其他
【英文标准名称】:StandardPracticeforFabricatingandCheckingAluminumAlloyUltrasonicStandardReferenceBlocks
【原文标准名称】:铝合金超声波检验标准基准块的制造和检查的标准实施规程
【标准号】:ASTME127-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:E07.06
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aluminumreferenceblocks;area-amplitudecalibrationblocks;distance-amplitudecalibrationblocks;nondestructivetesting;standardreferenceblocks;ultrasonicreferenceblocks;Aluminumalloyultrasonicreferenceblocks;Aluminumultrasonicreferen
【摘要】:Referenceblocksfabricatedtothispracticewillexhibitspecificarea-amplitudeanddistance-amplituderelationshipsonlywithanimmersiontestat5MHzusingthesearchunit,testinstrument,andtestparametersdescribedinthispractice.Comparisontestsatotherfrequenciesorwithuncalibratedtestsystemswillnotnecessarilygivethesamerelationshipsshowninthispractice.Note28212;The1964andpriorissuesofthispracticerequiredatestfrequencyof15MHz.Blocksconformingtoearlierissuesofthispracticemaynotproduceultrasonicresponsesthatconformtothisissue.SeeSection13regardingprovisionforrecertificationorcorrectioncurvesandtables.Althoughtheprimaryultrasonicevaluationofblocksisperformedataspecifiedfrequency,theblocksmaybeusedtostandardizeultrasonictestsatanyfrequencyandwithanypulse-echoultrasonictestsystem.Establishmentofdistance-amplitudeandarea-amplitudecharacteristicsisnecessaryforeachapplication.Thisusemaybeinappropriateforothermaterialsandcurvedsurfaceswithoutspecialcompensation.Alsosee(3)forcautionsregardinguseofstandardblocksforteststandardization.1.1Thispracticecoversaprocedureforfabricatingaluminumalloyultrasonicstandardreferenceblocksthatcanbeusedforcheckingperformanceofultrasonictestingequipmentandforstandardizationandcontrolofultrasonictestsofaluminumalloyproductsusingpulsedlongitudinalwavesintroducedintotestmaterialeitherbythedirect-contactmethodorbytheimmersionmethod.Arecommendedprocedureforcheckingblocksisdescribedandcalibrationdataforanumberofreferenceblocksaretabulated.Statementsconcerningproceduresareprovidedwithoutadiscussionofthetechnicalbackgroundforthepreference.ThenecessarytechnicalbackgroundcanbefoundinRefs.(1-16).Note18212;PracticeE428andGuideE1158alsodescribeproceduresforselectingmaterial,fabricatingblocks,andcheckingresponse.Unlikethispractice,thereisnorequirementforevaluationrelativetoaspecifiedstandardtarget.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H26
【国际标准分类号】:77_120_10
【页数】:15P.;A4
【正文语种】:英语
【英文标准名称】:Soil,investigationandtesting-Proctor-test
【原文标准名称】:土壤,勘察和试验.普氏贯入试验
【标准号】:DIN18127-2012
【标准状态】:现行
【国别】:德国
【发布日期】:2012-09
【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】:建筑工地;压实;建筑;定义(术语);密度测定法;密度;干密度;土方工程;基础工程;普氏贯入试验;道路建筑;抽样方法;固体密实度;土壤采样;土壤普查;地基;试验;含水量
【英文主题词】:Buildingsites;Compacting;Construction;Definitions;Densimetry;Density;Drydensity;Earthworks;Foundationengineering;Proctortest;Roadconstruction;Samplingmethods;Soilcompaction;Soilsampling;Soilsurveys;Subsoil;Testing;Watercontent
【摘要】:
【中国标准分类号】:P13
【国际标准分类号】:93_020
【页数】:32P;A4
【正文语种】:德语
