IEC 60825-4 Edition 1.2-2003 激光产品的安全.第4部分:激光防护器
时间:2024-05-13 00:00:12 来源: 标准资料网 作者：标准资料网 阅读：8570
【英文标准名称】:Safetyoflaserproducts-Part4:Laserguards
【原文标准名称】:激光产品的安全.第4部分:激光防护器
【标准号】:IEC60825-4Edition1.2-2003
【标准状态】:作废
【国别】:国际
【发布日期】:2003-10
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/TC76
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Specifiestherequirementsforlaserguards,permanentandtemporary(forexampleforservice),thatenclosetheprocesszoneofalaserprocessingmachine,andspecificationsforproprietarylaserguards.Appliestoallcomponentpartsofaguardinclud
【中国标准分类号】:C66
【国际标准分类号】:31_260
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:Soundbroadcastingengineering;termsanddefinitions
【原文标准名称】:无线电广播技术.术语
【标准号】:DIN45062-1990
【标准状态】:作废
【国别】:德国
【发布日期】:1990-09
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:无线电通信;电气工程;声音广播;术语;定义;广播
【英文主题词】:electricalengineering;terminology;broadcasting;soundbroadcasting;definitions;radiocommunication
【摘要】:
【中国标准分类号】:M70
【国际标准分类号】:2460
【页数】:7P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforPreparationandTestingofControlledLowStrengthMaterial(CLSM)TestCylinders
【原文标准名称】:受控低强度材料(CLSM)圆柱状试块制备和试验的标准试验方法
【标准号】:ASTMD4832-2010
【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】:D18.15
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:backfill;CLSM;compressivestrength;constructioncontrol;mixdesign;qualitycontrol;soilstabilization;CLSM(controlledlowstrengthmaterial);Compressiontesting--soil-cement;Concretetestspecimens;Cylindricalconcretespecimens;Mold
【摘要】:Thistestmethodprovidesstandardizedrequirementsforthepreparation,curing,transportingandtestingoftestcylindersofCLSMunderfieldconditionsbyreplicatingax201C;fieldcurex201D;ofthematerial.Ifthecylindersarefieldcured,asstipulatedherein,theresultingcompressivestrengthtestdatamaybeusedforthefollowingpurposes:Acceptancetestingforspecifiedstrength,Checkingtheadequacyofmixtureproportionsforstrength,Qualitycontrol,DeterminationofwhethertheCLSMiscapableofbeingputinservice,Adequacyofcuring.CLSMistypicallyusedasabackfillmaterialaroundstructures,particularlyinconfinedorlimitedspaces.Compressivestrengthtestingisperformedtoassistinthedesignofthemixandtoserveasaqualitycontroltechniqueduringconstruction.Mixdesignistypicallybasedon28-daystrengthsandconstructioncontroltestsperformed7daysafterplacement.Thecompressivestrength(s)andothertestage(s)willvaryaccordingtotherequirementsfortheendproduct.AdditionalinformationontheuseandhistoryofCLSMiscontainedinAppendixX1.ThistestisoneofaseriesofqualitycontrolteststhatcanbeperformedonCLSMduringconstructiontomonitorcompliancewithspecificationrequirements.TheotherteststhatcanbeusedduringconstructioncontrolofCLSMarePracticeD5971andTestMethodsD6023,D6024,andD6103.Therearemanyothercombinationsofsoil,cement,flyash(cementitiousornot),admixtures,waterqualityorothermaterialsthatcouldbetestedusingthismethod.Themixtureswillvarydependingontheintendeduse,availabilityofmaterials,andplacementrequirements.Note18212;Thequalityoftheresultproducedbythisstandardisdependentonthecompetenceofthepersonnelperformingit,andthesuitabilityoftheequipmentandfacilitiesused.AgenciesthatmeetthecriteriaofPracticeD3740aregenerallyconsideredcapableofcompetentandobjectivetesting/sampling/inspection/andthelike.UsersofthisstandardarecautionedthatcompliancewithPracticeD3740doesnotinitselfassurereliableresults.Reliableresultsdependonmanyfactors;PracticeD3740providesameansofevaluatingsomeofthosefactors.1.1Thistestmethodcoversproceduresforthepreparation,curing,transportingandtestingofcylindricaltestspecimensofcontrolledlowstrengthmaterial(CLSM)forthedeterminationofcompressivestrength.1.2ThistestmethodcoversCLSMmaterialsthathaveahigherstrengththanthesoilbutlessthan8400kPa(1200psi).Typicalstrengthsformostapplicationsfallbetween350to700kPa(50to100psi).1.3TheCLSMusedtomakethemoldedspecimensshallbesampledafterallon-siteadjustmentshavebeenmadetothemixtureproportions,includingtheadditionofmixwaterandanyadmixtures.1.4Thistestmethodmaybeusedtoprepareandtestcylindricalspecimensofothermixturesofsoilandcementitiousmaterials,suchasself-cementingflyashes.1.5CLSMisalsokno......
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:6P.;A4
【正文语种】:英语