HG/T 3168-1986 油喷嘴性能试验方法
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基本信息
| 标准名称： | 油喷嘴性能试验方法 |
| 英文名称： | Methods of performance tests for oil burners |
| 中标分类： | 化工 >> 化工机械与设备 >> 化工机械 |
| ICS分类： | |
| 替代情况： | 原标准号ZB G92002-1986 |
| 发布日期： | 1986-08-15 |
| 实施日期： | 1986-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 15页 |
适用范围
原标准号ZB G92002-86
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 化工机械与设备 化工机械
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforDeterminationofNon-MethaneOrganicCompounds(NMOC)inAmbientAirUsingCryogenicPreconcentrationandDirectFlameIonizationDetectionMethod(Metric)
【原文标准名称】:用低温预先富集和直接火焰离子检测法测定环境空气中非甲烷有机化合物(NMOC)的标准试验方法(米制单位)
【标准号】:ASTMD5953M-1996(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ambientatmospheres;analysis;atmospheres;canistersampling;cryogenicsampling;flameionizationdetection;indooratmospheres;non-methanehydrocarbons;sampling;workplaceatmospheres;Ambientair/atmosphericanalysis;Canistersamplingmethod
【摘要】:ManyindustrialprocessesrequiredeterminationofNMOCintheatmosphere.AccuratemeasurementsofambientconcentrationsofNMOCareimportantforthecontrolofphotochemicalsmogbecausetheseorganiccompoundsareprimaryprecursorsofatmosphericozoneandotheroxidants(7,8).TheNMOCconcentrationstypicallyfoundaturbansitesmayrangeupto1to3ppmCorhigher.Inordertodeterminetransportofprecursorsintoanarea,measurementofNMOCupwindoftheareamaybenecessary.RuralNMOCconcentrationsoriginatingfromareasfreefromNMOCsourcesarelikelytobelessthanafewtenthsof1ppmC.Conventionaltestmethodsthatdependongaschromatographyandqualitativeandquantitativespeciesevaluationareexcessivelydifficultandexpensivetooperateandmaintainwhenspeciatedmeasurementsarenotneeded.Thetestmethoddescribedhereinvolvesasimple,cryogenicpreconcentrationprocedurewithsubsequentdirectdetectionwiththeFID.ThetestmethodissensitiveandprovidesaccuratemeasurementsofambienttotalNMOCconcentrationswherespeciateddataarenotrequired.Anapplicationofthetestmethodisthemonitoringofthecleanlinessofcanisters.Anotheruseofthetestmethodisthescreeningofcanistersamplespriortoanalysis.Collectionofambientairsamplesinpressurizedcanistersprovidesthefollowingadvantages:Convenientintegrationofambientsamplesoveraspecifictimeperiod,Capabilityofremotesamplingwithsubsequentcentrallaboratoryanalysis,Abilitytoshipandstoresamples,ifnecessary,Unattendedsamplecollection,Analysisofsamplesfrommultiplesiteswithoneanalyticalsystem,Collectionofreplicatesamplesforassessmentofmeasurementprecision,andSpecifichydrocarbonanalysiscanbeperformedwiththesamesamplesystem.1.1Thistestmethodcoversaprocedureforsamplinganddeterminingconcentrationsofnon-methaneorganiccompounds(NMOC)inambient,indoor,orworkplaceatmospheres.1.2Thetestmethoddescribesthecollectionofcumulativesamplesinpassivatedstainlesssteelcanistersandsubsequentlaboratoryanalysis.1.2.1Thistestmethoddescribesaprocedureforsamplingincanistersatfinalpressuresaboveatmosphericpressure(referredtoaspressurizedsampling).1.3ThistestmethodemploysacryogenictrappingprocedureforconcentrationoftheNMOCpriortoanalysis.1.4ThistestmethoddescribesthedeterminationoftheNMOCbythesimpleflameionizationdetector(FID),withoutthegaschromatographiccolumnsandcomplexproceduresnecessaryforspeciesseparation.1.5Therangeofthistestmethodisfrom20to10000ppbC(1,2).Seeforproceduresforloweringtherange.1.6Thetestmethodmayyieldlessaccurateresultsforsomehalogenatedoroxygenatedhydrocarbonsemittedfromnearbysourcesofindustrialairpollutants.Thisisespeciallytrueiftherearehighconcentrationsofchlorocarbonsorchlorofluorocarbonspresent.1.7ThevaluesstatedinSIunitsareregardedasstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:71_040_50
【页数】:13P.;A4
【正文语种】:英语
【原文标准名称】:用低温预先富集和直接火焰离子检测法测定环境空气中非甲烷有机化合物(NMOC)的标准试验方法(米制单位)
【标准号】:ASTMD5953M-1996(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D22.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:ambientatmospheres;analysis;atmospheres;canistersampling;cryogenicsampling;flameionizationdetection;indooratmospheres;non-methanehydrocarbons;sampling;workplaceatmospheres;Ambientair/atmosphericanalysis;Canistersamplingmethod
【摘要】:ManyindustrialprocessesrequiredeterminationofNMOCintheatmosphere.AccuratemeasurementsofambientconcentrationsofNMOCareimportantforthecontrolofphotochemicalsmogbecausetheseorganiccompoundsareprimaryprecursorsofatmosphericozoneandotheroxidants(7,8).TheNMOCconcentrationstypicallyfoundaturbansitesmayrangeupto1to3ppmCorhigher.Inordertodeterminetransportofprecursorsintoanarea,measurementofNMOCupwindoftheareamaybenecessary.RuralNMOCconcentrationsoriginatingfromareasfreefromNMOCsourcesarelikelytobelessthanafewtenthsof1ppmC.Conventionaltestmethodsthatdependongaschromatographyandqualitativeandquantitativespeciesevaluationareexcessivelydifficultandexpensivetooperateandmaintainwhenspeciatedmeasurementsarenotneeded.Thetestmethoddescribedhereinvolvesasimple,cryogenicpreconcentrationprocedurewithsubsequentdirectdetectionwiththeFID.ThetestmethodissensitiveandprovidesaccuratemeasurementsofambienttotalNMOCconcentrationswherespeciateddataarenotrequired.Anapplicationofthetestmethodisthemonitoringofthecleanlinessofcanisters.Anotheruseofthetestmethodisthescreeningofcanistersamplespriortoanalysis.Collectionofambientairsamplesinpressurizedcanistersprovidesthefollowingadvantages:Convenientintegrationofambientsamplesoveraspecifictimeperiod,Capabilityofremotesamplingwithsubsequentcentrallaboratoryanalysis,Abilitytoshipandstoresamples,ifnecessary,Unattendedsamplecollection,Analysisofsamplesfrommultiplesiteswithoneanalyticalsystem,Collectionofreplicatesamplesforassessmentofmeasurementprecision,andSpecifichydrocarbonanalysiscanbeperformedwiththesamesamplesystem.1.1Thistestmethodcoversaprocedureforsamplinganddeterminingconcentrationsofnon-methaneorganiccompounds(NMOC)inambient,indoor,orworkplaceatmospheres.1.2Thetestmethoddescribesthecollectionofcumulativesamplesinpassivatedstainlesssteelcanistersandsubsequentlaboratoryanalysis.1.2.1Thistestmethoddescribesaprocedureforsamplingincanistersatfinalpressuresaboveatmosphericpressure(referredtoaspressurizedsampling).1.3ThistestmethodemploysacryogenictrappingprocedureforconcentrationoftheNMOCpriortoanalysis.1.4ThistestmethoddescribesthedeterminationoftheNMOCbythesimpleflameionizationdetector(FID),withoutthegaschromatographiccolumnsandcomplexproceduresnecessaryforspeciesseparation.1.5Therangeofthistestmethodisfrom20to10000ppbC(1,2).Seeforproceduresforloweringtherange.1.6Thetestmethodmayyieldlessaccurateresultsforsomehalogenatedoroxygenatedhydrocarbonsemittedfromnearbysourcesofindustrialairpollutants.Thisisespeciallytrueiftherearehighconcentrationsofchlorocarbonsorchlorofluorocarbonspresent.1.7ThevaluesstatedinSIunitsareregardedasstandard.1.8Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z15
【国际标准分类号】:71_040_50
【页数】:13P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 关节轴承 额定动载荷与寿命 |
| 英文名称： | Spherical plain bearings-Dynamic load ratings life |
| 中标分类： | 机械 >> 通用零部件 >> 滚动轴承 |
| ICS分类： | 机械系统和通用件 >> 轴承 >> 滚动轴承 |
| 替代情况： | 替代JB/T 8565-1997 |
| 发布部门： | 中华人民共和国工业和信息化部 |
| 发布日期： | 2010-02-11 |
| 实施日期： | 2010-07-01 |
| 首发日期： | |
| 作废日期： | |
| 归口单位： | 全国滚动轴承标委会 |
| 起草单位： | 洛阳轴承研究所;福建龙溪轴承(集团)股份有限公司;黄山学院 |
| 出版社： | 机械工业出版社 |
| 出版日期： | 2010-07-01 |
适用范围
本标准规定了关节轴承基本额定动载荷与寿命的计算方法。
本标准适用于尺寸范围符合GB/T 9161-2001、GB/T 9162-2001、GB/T 9163-2001、GB/T 9164-2001、技术条件符合有关标准规定的向心关节轴承、角接触关节轴承、推力关节轴承和杆端关节轴承。
本标准不适用于特殊结构或非正常使用条件下工作的关节轴承，诸如：特殊材料、特殊滑动接触面、特殊游隙、内外圈相对倾斜过大、轴或座变形过大等。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 机械 通用零部件 滚动轴承 机械系统和通用件 轴承 滚动轴承