【英文标准名称】:Workplaceatmospheres-Electricalapparatususedforthedirectdetectionanddirectconcentrationmeasurementoftoxicgasesandvapours-Performancerequirementsforapparatususedformeasuringconcentrationsintheregionoflimitvalues
【原文标准名称】:工作场所空气.有毒气体和蒸气的直接检测和直接富集测量用电气设施.极限值区域中浓度测量用设备性能要求
【标准号】:BSEN45544-2-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-02-15
【实施或试行日期】:2000-02-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:职业安全;环境试验;气体;准确度;性能试验;电气设备;工作环境;气体分析仪;气体检测器;有毒气体;危险物质;试验条件;化学分析和试验;性能;蒸气;工业空气污染物;测量特征
【英文主题词】:Concentration;Detectors(circuits);Ergonomics;Gasdetectors;Hazards;Limits(mathematics);Measuringtechniques;Performanceinservice;Specification(approval);Testing;Toxicgases;Toxins;Workingplaces
【摘要】:ThisEuropeanStandardspecifiestheperformancerequirementsforelectricalapparatususedforthedirectdetectionanddirectconcentrationmeasurementoftoxicgasesandvapoursinworkplaceatmospheres.Thestandardtestgasconcentration(STGC)tobeusedforthetestsaregiveninannexAofEN45544-1.IntheinstancesinwhichnoSTGCisassignedin5.6ofEN45544-1:1999,aSTGCmaybeagreedbetweenthemanufacturerandtestlaboratoryconsideringtheNationallimitvalues.Otherwise,theperformancerequirementsofEN45544-3apply.NOTETheremaybecases,wherenationallimitvaluesdifferinsomecountriesconsiderablyfromtheSTGCvaluesspecifiedinannexAofEN45544-1.Inthesecasesitmaybenecessarytotesttheapparatusattheselimitvalues.
【中国标准分类号】:J88
【国际标准分类号】:13_040_30;13_320
【页数】:12P;A4
【正文语种】:英语


【英文标准名称】:StandardSpecificationforSeamlessUNSN08020,UNSN08026,andUNSN08024Nickel-AlloyPipeandTube
【原文标准名称】:无缝UNSN08020、UNSNO8026和UNSNO8024镍合金管的标准规范
【标准号】:ASTMB729-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:B02.07
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:合金;镍;有色金属;管;无缝的;无缝管
【英文主题词】:nickel-iron-chromium-molybdenum-copper-columbium;seamlesspipe;seamlesstube;UNSN08020;UNSN08024;UNSN
【摘要】:1.1ThisspecificationcoversUNSN08020,UNSN08026,andUNSN08024seamless,cold-workedorhotfinishedpipeandtubeintendedforgeneralcorrosiveservice.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section10,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:H62
【国际标准分类号】:77_120_40
【页数】:3P.;A4
【正文语种】: