DIN 4000-140-2005 特性表.第140部分:工件的啮合系统数据

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【英文标准名称】:Tabularlayoutsofproperties-Part140:Toothingsystemdataofworkpieces
【原文标准名称】:特性表.第140部分:工件的啮合系统数据
【标准号】:DIN4000-140-2005
【标准状态】:作废
【国别】:德国
【发布日期】:2005-04
【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】:传动数据;事物特性;渐开线齿;圆柱齿轮;齿轮齿;齿轮切削工具;事物特性表;尺寸;符号;额定值;特性;正齿轮;数字代码;工件;设计;外齿;内啮合;渐开线齿形
【英文主题词】:involuteteeth;gearingdata;symbols;workpieces;numericcodes;internaltoothing;teethofgears;spurgears;subjectcharacteristics;dimensions;gear-cuttingtools;externalteeth;involutetoothprofiles;characteristics;tabularlayoutofarticlecharacteristics;tabularlayoutsofarticlecharateristics;ratings;cylindricalgears;design
【摘要】:Thisstandardspecifiesthecharacteristicsofstandardizedandnotstandardizedshavingcuttersandrollingdieswithboreforcylindricalgears.Itisvalidforexternalandinternaltoothingwithinvoluteprofile.Thecharacteristicsdescribeatoothingforaspecifiedtollingmethod.Foracompletedescriprtionseveraldatarecordscanbenecessary.Thefirstdatarecorddescribesthefinishedworkpiece.
【中国标准分类号】:J04
【国际标准分类号】:21_020;21_200
【页数】:16P.;A4
【正文语种】:德语


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【英文标准名称】:StandardTestMethodforAirborneAsbestosConcentrationinAmbientandIndoorAtmospheresasDeterminedbyTransmissionElectronMicroscopyDirectTransfer(TEM)
【原文标准名称】:用透射式电子显微镜直接转移法测定周围环境和室内空气中气载石棉浓度的标准试验方法
【标准号】:ASTMD6281-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D22.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:空气;空气质量;环境空气;角闪石;石棉;石棉粉;温石棉;电子显微镜;电子显微镜检查法;显微术;试验
【英文主题词】:air;ambientair;amphibole;asbestos;chrysotile;electronmicroscopy;indooratmospheres;microscopy
【摘要】:1.1Thistestmethodisananalyticalprocedureusingtransmissionelectronmicroscopy(TEM)forthedeterminationoftheconcentrationofasbestosstructuresinambientatmospheresandincludesmeasurementofthedimensionofstructuresandoftheasbestosfibersfoundinthestructuresfromwhichaspectratiosarecalculated.1.1.1Thistestmethodallowsdeterminationofthetype(s)ofasbestosfiberspresent.1.1.2Thistestmethodcannotalwaysdiscriminatebetweenindividualfibersoftheasbestosandnon-asbestosanaloguesofthesameamphibolemineral.1.2Thistestmethodissuitablefordeterminationofasbestosinbothambient(outdoor)andbuildingatmospheres.1.2.1Thistestmethodisdefinedforpolycarbonatecapillary-porefiltersorcelluloseester(eithermixedestersofcelluloseorcellulosenitrate)filtersthroughwhichaknownvolumeofairhasbeendrawnandforblankfilters.1.3Theupperrangeofconcentrationsthatcanbedeterminedbythistestmethodis7000s/mm2.Theairconcentrationrepresentedbythisvalueisafunctionofthevolumeofairsampled.1.3.1Thereisnolowerlimittothedimensionsofasbestosfibersthatcanbedetected.Inpractice,microscopistsvaryintheirabilitytodetectverysmallasbestosfibers.Therefore,aminimumlengthof0.5mhasbeendefinedastheshortestfibertobeincorporatedinthereportedresults.1.4Thedirectanalyticalmethodcannotbeusedifthegeneralparticulatematterloadingofthesamplecollectionfilterasanalyzedexceedsapproximately10%coverageofthecollectionfilterbyparticulatematter.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:13_040_01
【页数】:32P.;A4
【正文语种】:


【英文标准名称】:Ophthalmicinstruments-Chartprojectors
【原文标准名称】:眼科仪器.图表放映机
【标准号】:BSENISO10938-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-07-15
【实施或试行日期】:1998-07-15
【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】:放映机;作标记;使用说明;定型试验;亮度;眼科学;材料的光学性质;眼科试验设备;眼科设备;分辨率;视力测验表;对比度
【英文主题词】:
【摘要】:TobereadinconjunctionwithBSENISO15004:1998
【中国标准分类号】:C32
【国际标准分类号】:11_040_70
【页数】:12P;A4
【正文语种】:英语