JJG 637-1990 高频标准振动台试行检定规程
作者:标准资料网 时间:2024-05-03 13:23:17 浏览:9940
来源:标准资料网
基本信息
标准名称: | 高频标准振动台试行检定规程 |
英文名称: | Calibration Vibrators of High Frequency |
中标分类: |
综合 >>
计量 >>
无线电计量 |
替代情况: | 被JJG 637-2006代替 |
发布日期: | |
实施日期: | 1990-10-01 |
首发日期: | |
作废日期: | 2007-03-06 |
出版日期: | |
页数: | 9页 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 综合 计量 无线电计量
【英文标准名称】:Programmingofnumericallycontrolledmachines;CLDATA;minorelementsoftype2000records(post-processorcommands)
【原文标准名称】:数控加工机械的程序设计.CLDATA.2000型记录用微量元素(后处理机指令)
【标准号】:DIN66215-2-1982
【标准状态】:现行
【国别】:德国
【发布日期】:1982-02
【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】:数字控制机床;程序设计;CL数据;程序设计语言;数值控制;机床
【英文主题词】:Automaticcontrolsystems;CLdata;Dataprocessing;Definition;Definitions;Machinetools;Numericalcontrol;Numericallycontrolledmachines;Output;Programprocessors;Programming;Programminglanguages;Vocabulary
【摘要】:Programmingofnumericallycontrolledmachines;CLDATA;minorelementsoftype2000records(post-processorcommands)ZusammenhangmitderInternationalenNormISO4343derInternationalOrganizationforStandardization(ISO),sieheErl?uterungen.
【中国标准分类号】:J50
【国际标准分类号】:25_040_20;35_240_50
【页数】:40P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforMeasuringtheResiliencyofTurfReinforcementMats(TRMs)
【原文标准名称】:泥碳钢筋网弹力测量的标准试验方法
【标准号】:ASTMD6524-2000(2006)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D35.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:厚度;复原;弹力;TRM;泥碳钢筋网
【英文主题词】:recovery;resiliency;thickness;turfreinforcementmat,TRM
【摘要】:ResiliencymaybeusedtocontrolthequalityofmanyTRMs.ResiliencymaybeindicativeofaTRMrsquo;abilitytoretainoriginalconfigurationafterexposuretothestresseswhichmaybeexertedduringmanufacture,shipping,andinstallation.Resiliencyisnotgenerallyindicativeoffieldperformance.TheresiliencyofTRMsmayvaryconsiderablydependingonthepressureappliedtothespecimenduringloadingcycles.Tominimizevariation,specificsamplesizeandappliedpressureareindicatedinthistestmethodtoensureallresultsarecomparable.TodeterminetheeffectofdifferentpressureloadingsonthefinalthicknessofTRMs,usethistestmethod.ThistestmethodmaybeusedforacceptancetestingofcommercialshipmentsofTRMs,butcautionisadvisedsinceinformationonbetween-laboratoryprecisionisincomplete.Comparativetests,inaccordancewith5.4.1maybeadvisable.5.4.1Inacaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatareformedfromalotofmaterialofthetypeinquestion.Thetestspecimensshouldberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentrsquo;t-testforunpaireddateandanacceptableprobabilitylevelchosenbythetwobegun.Ifbiasisfound,eitheritscausemustcorrected,orthepurchaserandbefoundandinterpretfuturetestsinsuppliermustagreetothelightoftheknownbias.Note18212;Theusershouldbeawarethatthecompressibilityofthematerials,theirreboundcharacteristics,andthelikewillalsobeaffectedbythethicknessoftheTRMsfollowingthetimewhentheyarerolleduponrollsshippedandstored.1.1Thistestmethodcoverstheresiliencyorrecoveryofturfreinforcementmats(TRMs)aftertheyhavebeensubjectedtothreecyclesofloadingat689kPa(100psi)for1min/percycle.1.2ThistestmethoddoesnotprovideresiliencyvaluesforTRMsundervariablenormalcompressivestresses.Thistestmethoddeterminesnominalresiliency.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P57
【国际标准分类号】:65_020_20
【页数】:3P.;A4
【正文语种】: