BS EN 60534-2-2-1981 工业过程控制阀.流量.在安装条件下可压缩流动方程的参数选择
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【英文标准名称】:Industrial-processcontrolvalves.Flowcapacity.Sizingequationsforcompressiblefluidflowunderinstalledconditions
【原文标准名称】:工业过程控制阀.流量.在安装条件下可压缩流动方程的参数选择
【标准号】:BSEN60534-2-2-1981
【标准状态】:作废
【国别】:英国
【发布日期】:1981-11-30
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:流量调节阀;阀门;热膨胀;流量率;流量测量;体积弹性模量;方程;控制器;出口接头;过程控制;可压缩流动;密度;压差;阀门部件;管道配件;工业的;比热;气体流动;热力学性质
【英文主题词】:
【摘要】:
【中国标准分类号】:N10
【国际标准分类号】:25_040_40;23_060_40
【页数】:20P;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-Databaselanguages-SQL-Part14:XML-RelatedSpecifications(SQL/XML);TechnicalCorrigendum1
【原文标准名称】:信息技术.数据库语言.结构化查询语言(SQL).第14部分:可扩展标记语言(XML)相关规范(结构化查询语言(SQL)/可扩展标记语言(XML)).技术勘误1
【标准号】:ISO/IEC9075-14TechnicalCorrigendum1-2007
【标准状态】:作废
【国别】:国际
【发布日期】:2007-04
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/IECJTC1/SC32
【标准类型】:()
【标准水平】:()
【中文主题词】:人工语言;概念;数据处理;数据库语言;定义;文献;可扩展标记语言;实际数据库;框架;语法;信息交换;信息技术;语言绑定;程序设计语言;SQL;结构化查询语言;文本处理;XML
【英文主题词】:
【摘要】:ThisstandardisInformationtechnology-Databaselanguages-SQL-Part14:XML-RelatedSpecifications(SQL/XML);TechnicalCorrigendum1.
【中国标准分类号】:L74
【国际标准分类号】:35_060
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforUnsteady-StateHeatTransferEvaluationofFlameResistantMaterialsforClothingwithBurnInjuryPrediction
【原文标准名称】:评估阻燃服装材料的非稳态传热进行烧伤预测的标准试验方法
【标准号】:ASTMF2703-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F23.80
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:apparel;protectiveclothing;thermalheatprotection;thermalperformanceestimate,flameresistance
【摘要】:Thistestmethodisintendedforthedeterminationofathermalperformanceestimatevalueofamaterial,acombinationofmaterials,oracomparisonofdifferentmaterialsusedinflameresistantclothingforworkersexposedtocombinedconvectiveandradiantthermalhazards.Thistestmethodevaluatesamaterialx2019;sheattransferpropertieswhenexposedtoaheatexposureataconstantvalueandspecificduration.Airmovementatthefaceofthespecimenandaroundthecalorimetercanaffectthemeasuredheattransferredduetoforcedconvectiveheatlosses.Minimizingairmovementaroundthespecimenandtestapparatuswillaidintherepeatabilityoftheresults.Thistestmethodaccountsforthethermalenergystoredintheexposedtestspecimenaftertheheatexposurehasceased.HighervaluesofThermalPerformanceEstimateratingsdeterminedinthistestassociatetohighervaluesofthermal(convectiveandradiative)energyprotectionagainstapredictedskinburninjury.Thistestmethodmaintainsthespecimeninastatic,horizontalpositionanddoesnotinvolvemovementexceptthatresultingfromtheexposure.Thistestmethodspecifiesastandardized84x00B1;2kW/m2(2x00B1;0.05cal/cm2s)exposurecondition.Differentexposureconditionshavethepotentialtoproducedifferentresults.Otherexposureconditionsrepresentativeoftheexpectedhazardareallowedbutshallbereportedwiththeresultsalongwithadeterminationoftheexposureenergylevelstability.ThistestmethodcontainsoptionalprovisionsforconductingcertificationtestingagainstaprescribedThermalPerformanceEstimatevalue.1.1Thistestmethodmeasuresthenon-steadystateheattransferthroughflameresistantmaterialsforclothingsubjectedtoacombinedconvectiveandradiantheatexposure.1.1.1Thistestmethodisnotapplicabletomaterialsthatarenotflameresistant.Note18212;Thedeterminationofamaterialx2019;sflameresistanceshallbemadepriortotestinganddoneinaccordancewiththeapplicableperformanceand/orspecificationstandardforthematerialx2019;send-use.1.1.2Thistestmethodaccountsforthethermalenergycontainedinanexposedtestspecimenafterthestandardizedcombinedconvectiveandradiantheatexposurehasceasedandisusedtoestimateperformancetoapredictedsecond-degreeskinburninjury.1.2Thistestmethodisusedtomeasureanddescribetheresponseofmaterials,products,orassembliestoheatundercontrolledconditions,butdoesnotbyitselfincorporateallfactorsrequiredforfirehazardorfireriskassessmentofthematerials,products,orassembliesunderactualfireconditions.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesaremathematicalconversionstoinch-poundorotherunitsthatarecommonlyusedforthermaltesting.1.4Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:16P.;A4
【正文语种】:英语
