【英文标准名称】:Seamlesssteeltubesfortubularheatexchangers-Dimensionsandmaterials
【原文标准名称】:管式热交换器用无缝钢管.尺寸和材料
【标准号】:DIN28180-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-09
【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】:附加件;合金钢;化工设备;交货条件;名称与符号;尺寸偏差;尺寸公差;尺寸;热交换器;极限偏差;材料;中桶架;顺序示度;管;工艺工程;无缝的;无缝管;不锈钢;钢管;钢;直的;公差(测量);管束;管式热交换器;非合金钢;壁厚;重量
【英文主题词】:Add-onpiece;Alloysteels;Chemicaltechnologyequipment;Deliveryconditions;Designations;Dimensionaldeviations;Dimensionaltolerances;Dimensions;Heatexchangers;Limitdeviations;Materials;Midgantries;Orderindications;Pipes;Processengineering;Seamless;Seamlesspipes;Stainlesssteels;Steelpipes;Steels;Straight;Tolerances(measurement);Tubebundles;Tubeheatexchangers;Unalloyedsteels;Wallthicknesses;Weights
【摘要】:Thisstandardappliestostraightplain-endseamlesstubesmadefromnon-alloy,alloyandstainlesssteelsintendedforuseintubularheatexchangers,whicharepredominantlyusedinprocessengineering.Thisstandarddoesnotapplytosteeltubesintendedforexposuretoflame.TechnicaldeliveryconditionsshallbeasspecifiedinthestandardslistedinTable8,withtheexceptionofthedimensionsandtolerancesspecifiedinclause3ofthepresentstandard.NOTETheoutsidediameters,wallthicknesses,andmassesperunitlengthspecifiedhereconformtoInternationalStandardISO6759:1980.
【中国标准分类号】:H48
【国际标准分类号】:23_040_10
【页数】:10P.;A4
【正文语种】:英语


【英文标准名称】:Measurementandassessmentofpersonalexposurestoincoherentopticalradiation-Ultravioletradiationemittedbyartificalsourcesintheworkplace
【原文标准名称】:对处于断续光辐射中的人体测量和评定.工作场所中人工源放射的紫外线辐射
【标准号】:BSEN14255-1-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-04-21
【实施或试行日期】:2005-04-21
【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】:
【英文主题词】:
【摘要】:Thisdocumentspecifiesproceduresforthemeasurementandassessmentofpersonalexposurestoultraviolet(UV)radiationemittedbyartificialsources,whereadverseeffectscannotreadilybeexcluded.NOTE1Adverseeffectswillusuallynotoccurinexposurescausedbycommonlyusedartificiallighting.However,exposurestoverystronglightsourcesorlightsourceswithextendedspectramaycauseahealthrisknevertheless.ThisdocumentappliestoUV-exposuresinindoorandoutdoorworkplaces.ItdoesnotapplytoUV-exposuresinleisuretime.ThisdocumentdoesnotapplytoUV-exposurecausedbythesun.NOTE2Part3ofthisstandardwilldealwithUV-exposurecausedbythesun.ThisdocumentdoesnotspecifyUV-exposurelimitvalues.Itsupportstheapplicationoflimitvaluessetbynationalregulationsorinternationalrecommendations.ThisdocumentappliestoUV-exposuresbyartificialincoherentsources,whichemitspectrallinesaswellascontinuousspectra.Thisdocumentdoesnotapplytocoherentradiationsources.NOTE3Coherentopticalradiationsourcesarecoveredbystandardsforlasers,likeEN60825-1etc..ThisdocumentappliestoUV-exposuresinthewavelengthband180nmto400nm.Thisdocumentdoesnotapplytoradiationexposureswhichconcerntheretina.NOTE4Part2ofthisstandardwilladdresstheseeffects.Thisdocumentdoesnotapplytoradiationemissionsofproducts.NOTE5Forradiationemissionsofproductsotherstandardsapply,suchas:EN60335-2-27(IEC60335-2-27)forsunbeds,EN60335-2-59(IEC60335-2-59)forinsectkillersandEN12198forradiationemissionsofmachinery.
【中国标准分类号】:A58
【国际标准分类号】:17_240
【页数】:36P;A4
【正文语种】:英语