DIN 2283 T.1-1977 螺纹不过端量规.螺纹公称直径为1至40mm的ISO米制螺纹的不过端工作量规.检验量规和调节量规

上一篇: DIN 2282 T.2-1977 螺纹过端量规.螺纹公称直径大于40至200mm的ISO米制螺纹过端工作量规.检验量规和调节量规
下一篇: DIN 2283 T.2-1977 螺纹不过端量规.螺纹公称直径为40至200mm的ISO米制螺纹的不过端工作量规.检验量规和调节量规

【英文标准名称】:Hardmetals-Rockwelltest(scalesAand45N)-Calibrationofreferenceblocksoutofhardmetalstobeusedfortheverificationandcalibrationofhardnesstestingmachines
【原文标准名称】:硬质合金.洛氏硬度试验(标度A和45N).硬度试验机校验用非硬质合金标准块的校准
【标准号】:DIN30999-1999
【标准状态】:现行
【国别】:德国
【发布日期】:1999-12
【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】:试验;试样;硬度值;物理性能测量;粉末冶金;尺寸;生产;硬度测试仪;校正;硬度试验表;基准;作标记;符号;洛氏(硬度);标度;试验证明书;制造;洛氏硬度测量;洛氏硬度;硬质合金;硬度测量;硬度试验;机械试验;硬度
【英文主题词】:
【摘要】:
【中国标准分类号】:H58
【国际标准分类号】:77_040_10
【页数】:3P;A4
【正文语种】:德语


【英文标准名称】:Acoustics-Determinationofsoundpowerlevelsofnoisesources-Guidelinesfortheuseofbasicstandards
【原文标准名称】:声学.噪声源的声压级的测定.基础标准使用导则
【标准号】:BSENISO3740-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-02-15
【实施或试行日期】:2001-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:声学试验;噪声(环境的);声强;加工设备;声学测量
【英文主题词】:
【摘要】:ThisInternationalStandardgivesguidancefortheuseofaseriesofnineInternationalStandardsdescribingvariousmethodsfordeterminingthesoundpowerlevelsfromalltypesofmachineryandequipment.Itprovides:—briefsummariesofthesebasicInternationalStandards;—guidanceontheselectionofoneormoreofthesestandardswhichareappropriatetoanyparticulartype(seeclause5andannexD).Theguidancegivenappliesonlytoairbornesound.Itisforuseinthepreparationofnoisetestcodes(seeISO12001)andalsoinnoisetestingwherenospecificnoisetestcodeexists.ThisInternationalStandardisnotintendedtoreplaceanyofthedetailsof,oraddanyadditionalrequirementsto,theindividualtestmethodsintheotherbasicstandardsreferredto.Thesebasicstandardsspecifytheacousticalrequirementsformeasurementsappropriatefordifferenttestenvironmentsandaccuracies.ItisimportantthatspecifictestcodesforvarioustypesofmachineryandequipmentbeestablishedandusedinaccordancewiththerequirementsofthesebasicInternationalStandards.SuchstandardizednoisetestcodeswillrecommendthebasicInternationalStandard(s)tobeusedandwillgivedetailedrequirementsonmountingandoperatingconditionsforaparticularfamilytowhichthemachineundertestbelongs.Ifnospecificnoisetestcodeexistsforaparticulartypeofmachinery,thisInternationalStandardisofuseforthechoiceofthemostsuitableofthebasicstandards.Inallcases,themountingandoperatingconditionsofthemachineundertestshouldbeinaccordancewiththegeneralprinciplesgiveninthebasicstandards.NOTETwoquantitieswhichcomplementeachothercanbeusedtodescribethesoundemissionofmachineryorequipment.Oneistheemissionsoundpressurelevelataspecifiedpositionandtheotheristhesoundpowerlevel.TheInternationalStandardswhichdescribethebasicmethodsfordeterminingemissionsoundpressurelevelsattheworkstationandatotherspecifiedpositionsaretheseriesISO11200toISO11204.
【中国标准分类号】:Z32
【国际标准分类号】:17_140_20
【页数】:38P;A4
【正文语种】:英语