BS EN 149-2001 呼吸防护装置.颗粒防护用过滤半面罩.要求、检验和标记
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来源:标准资料网
【英文标准名称】:Respiratoryprotectivedevices-Filteringhalfmaskstoprotectagainstparticles-Requirements,testing,marking
【原文标准名称】:呼吸防护装置.颗粒防护用过滤半面罩.要求、检验和标记
【标准号】:BSEN149-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-06-15
【实施或试行日期】:2001-06-15
【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】:过滤器;安全装置;颗粒空气污染物;呼吸装置;作标记;面具(防护工作服);性能试验;空气过滤器;呼吸器;防护服装;粒状材料
【英文主题词】:Breathingapparatus;Definition;Exhalingvalves;Filteringdevices;Filteringmaterials;Filters;Fitnessforpurpose;Halfmasks;Inhalingvolve;Inspection;Instructionsforuse;Laboratorytesting;Marking;Masks;Materials;Occupationalsafety;Particlefilters;Particles;Protectingmasks;Protectiveclothing;Protectiveequipment;Respirators;Safetyengineering;Specification(approval);Testing;Valves;Workplacesafety
【摘要】:Providesperformanceandmarkingrequirementsandtestmethodsforfilteringhalfmasksforprotectionoftherespiratorytractagainstparticles.
【中国标准分类号】:C73;C85
【国际标准分类号】:13_340_30
【页数】:42P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 电子器件详细规范 半导体集成电路ＣＦ７１５型高速运算放大器（可供认证用） |
| 英文名称： | Detail specification for electronic components-Semiconductor integrated circuits-Type CF715 high-speed operational amplifier (Applicable for certification) |
| 中标分类： |
化工 >>
化工综合 >>
技术管理 |
| 发布日期： | 1991-11-12 |
| 实施日期： | 1992-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 2010-01-20 |
| 出版日期： | 1900-01-01 |
| 页数： | 18页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 化工 化工综合 技术管理
【英文标准名称】:StandardTestMethodforDeterminationofIgnitionDelayandDerivedCetaneNumber(DCN)ofDieselFuelOilsbyCombustioninaConstantVolumeChamber
【原文标准名称】:用等容室燃烧法测定柴油的点火延迟和衍生十六烷值(DCN)的标准试验方法
【标准号】:ASTMD6890-2010a
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D02.01
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cetanenumber;derivedcetanenumber;dieselperformance;ignitioncharacteristic;ignitiondelay;Automatedprocedures--petroleumproductsanalysis;Cetanenumber;Constantvolumechamber;Derivedcetanenumber(DCN);Dieselenginefueloils;Dieselper
【摘要】:TheIDandDCNvaluesdeterminedbythistestmethodcanprovideameasureoftheignitioncharacteristicsofdieselfueloilincompressionignitionengines.Thistestcanbeusedbyenginemanufacturers,petroleumrefinersandmarketers,andincommerceasaspecificationaidtorelateormatchfuelsandengines.TherelationshipofdieselfueloilDCNdeterminationstotheperformanceoffull-scale,variable-speed,variable-loaddieselenginesisnotcompletelyunderstood.Thistestmaybeappliedtonon-conventionalfuels.Itisrecognizedthattheperformanceofnon-conventionalfuelsinfull-scaleenginesisnotcompletelyunderstood.Theuseristhereforecautionedtoinvestigatethesuitabilityofignitioncharacteristicmeasurementsforpredictingperformanceinfull-scaleenginesforthesetypesoffuels.Thistestdeterminesignitioncharacteristicsandrequiresasampleofapproximately100mLandatesttimeofapproximately20minonafit-for-useinstrument.1.1Thisautomatedlaboratorytestmethodcoversthequantitativedeterminationoftheignitioncharacteristicsofconventionaldieselfueloil,oil-sandsbasedfuels,blendsoffuelcontainingbiodieselmaterial,dieselfueloilscontainingcetanenumberimproveradditives,andisapplicabletoproductstypicalofASTMSpecificationD975gradesNo.1-Dand2-Dregularandlow-sulfurdieselfueloils,EuropeanstandardEN590,andCanadianstandardsCAN/CGSB-3.517and3.6-2000.Thetestmethodmayalsobeappliedtothequantitativedeterminationoftheignitioncharacteristicsofdieselfuelblendingcomponents.1.2Thistestmethodmeasurestheignitiondelayandutilizesaconstantvolumecombustionchamberwithdirectfuelinjectionintoheated,compressedair.AnequationcorrelatesanignitiondelaydeterminationtocetanenumberbyTestMethodD613,resultinginaderivedcetanenumber(DCN).1.3Thistestmethodcoverstheignitiondelayrangefrom3.1to6.5ms(64to33DCN).Thecombustionanalyzercanmeasureshorterandlongerignitiondelays,butprecisionmaybeaffected.FortheseshorterorlongerignitiondelaysthecorrelationequationforDCNisgiveninAppendixX2.ThereisnoinformationabouthowDCNsoutsidethe33to64rangecomparetoTestMethodD613cetanenumbers.1.4ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E31
【国际标准分类号】:43_060_40
【页数】:16P.;A4
【正文语种】:英语
