SY 5049-1991 钻井卡瓦
作者:标准资料网 时间:2024-05-20 17:58:37 浏览:8686
来源:标准资料网
下载地址: 点击此处下载
基本信息
标准名称: | 钻井卡瓦 |
替代情况: | 被SY/T 5049-2009代替 |
发布日期: | 1991-11-20 |
实施日期: | 1992-05-01 |
首发日期: | 1900-01-01 |
作废日期: | 2010-05-01 |
出版日期: | 1900-01-01 |
适用范围
没有内容
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类: 石油 石油勘探 开发 集输设备 石油钻采设备与仪器
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforMeasuringSmokeToxicityforUseinFireHazardAnalysis
【原文标准名称】:火灾危险分析用测定烟气毒性的标准试验方法
【标准号】:ASTME1678-2010
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:combustiontoxicity;fire-hazardanalysis;firetests;firetoxicity;Firetoxicity;Lethaltoxicpotencyvalues;Mathematicalfiremodels;Combustiontoxicity;Firehazardassessment;Firetesting--buildingmaterials;Smoketoxicity
【摘要】:Thistestmethodhasbeendesignedtoprovidedataforthemathematicalmodelingoffirehazardasameansfortheevaluationofmaterialsandproductsandtoassistintheirresearchanddevelopment.Thistestmethodisusedtopredict,andsubsequentlyconfirm,thelethaltoxicpotencyofsmokeproducedupontheexposureofamaterialorproducttospecificfiretestconditions.Confirmationdetermineswhethercertainmajorgaseoustoxicantsaccountfortheobservedtoxiceffectsandlethaltoxicpotency.Ifapredictedlethaltoxicpotencyvalueisnotconfirmedadequately,indicatingapotentialforunusualorunexplainedtoxicity,thelethaltoxicpotencywillneedtobeinvestigatedusingothermethodology,suchasconductinganexperimentaldeterminationoftheLC50usingtheapparatusdescribed.(SeeX1.3.1andX1.3.2.)Thistestmethodproduceslethaltoxicpotencyvaluesthatareappropriateforuseinthemodelingofbothpre-flashoverandpost-flashoverfires.MostfiredeathsduetosmokeinhalationintheU.S.occurinareasotherthantheroomoffireoriginandarecausedbyfiresthathaveproceededbeyondtheroomoffireorigin.Itisassumedthattheseareflashoverfires.Therefore,theprincipalemphasisisplacedonevaluatingtoxichazardundertheseconditions.Inpost-flashoverfires,largeconcentrationsofcarbonmonoxideresultsfromreducedairsupplytothefireplumeandotherroom-scalefactors.Bench-scaletestsdonothavethecapacitytosimulatethesephenomena.Thelethaltoxicpotencyvaluesdeterminedinthistestmethodareobtainedfromfuel/airratiosmorerepresentativeofpre-flashover,ratherthanpost-flashoverconditions.Incaseswhereapre-flashoverfirerepresentationisdesiredinfirehazardmodeling,theseLC50valuesareappropriate.Lethaltoxicpotencyandcarbonmonoxideyieldvaluesdeterminedinthistestmethodrequireadjustmentforuseinmodelingofthehazardfrompost-flashoverconditions.(SeeX1.4.1.)Thelethaltoxicpotencyvaluesdeterminedinthistestmethodhavealevelofuncertaintyintheiraccuracywhenusedtopredictreal-scaletoxicpotencies.(SeeX1.4.2.)Theaccuracyofthebench-scaledataforpre-flashoverfireshasnotbeenestablishedexperimentally.Thecombustionconditionsintheapparatusarequitesimilartorealpre-flashoverfires,althoughthemassburningratemaybehigheratthe50kW/m2irradianceofthetestmethod.ComparisonofthetoxicantyieldsandLC50(post-flashover)valuesobtainedusingthismethodhavebeenshowninlimitedtests(22)toreproducetheLC50valuesfromreal-scale,post-flashoverfirestowithinanaccuracyofapproximatelyafactorofthree.Therefore,LC50(post-flashover)valuesdifferingbylessthanafactorofthreeareindistinguishablefromeachother.(SeeX1.4.2.)Thistestmethoddoesnotattempttoaddressthetoxicologicalsignificanceofchangesinparticulateandaerosolsize,smoketransport,distribution,ordepositionorchangesintheconcentrationofanysmokeconstituentasafunctionoftimeasmayoccurinarealfire.Thepropensityforsmokefromanymaterialtohavethesameeffectsonhumansinfiresituationscanbeinferredonlytotheextentthattheratiscorrelatedwithhumansasabiologicalsystem.(SeeX1.2.5.)Thistestmethoddoesnotassessincapacitation.Incapacitationmustbeinferredfromlethaltoxicpotencyvalues.Theeffectsofsensoryirritationarenotaddressedbythistestmethod.1.1Thisfire-test-responsestandardcoversameansfordeterminingthelethaltoxicpotencyofsmokeproducedfromamaterialorproductignitedwhileexposedtoaradiantheatfluxof50kW/m2for15min.1.2Thistestmethodislimitedtotestspecimensno......
【中国标准分类号】:C83
【国际标准分类号】:91_040_01
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Magnesiumandmagnesiumalloys-Returns-Requirements,classificationandacceptance
【原文标准名称】:镁和镁合金.回炉料.要求、分类和验收
【标准号】:BSISO23079-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-03-31
【实施或试行日期】:2005-03-31
【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】:机械性能;镁合金;规范(验收);作标记;再循环;材料;等级;铸造生产;定义;抽样方法;镁;分类系统;特性
【英文主题词】:Classes;Classificationsystems;Definition;Definitions;Foundrypractice;Magnesium;Magnesiumalloys;Marking;Materials;Mechanicalproperties;Properties;Recycling;Samplingmethods;Specification(approval)
【摘要】:ISO23079:2005specifiesgeneralrequirements,classificationandacceptanceforthedifferentclassesofmagnesiumreturns.
【中国标准分类号】:H61
【国际标准分类号】:77_120_20
【页数】:14P;A4
【正文语种】:英语
【原文标准名称】:火灾危险分析用测定烟气毒性的标准试验方法
【标准号】:ASTME1678-2010
【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】:E05.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:combustiontoxicity;fire-hazardanalysis;firetests;firetoxicity;Firetoxicity;Lethaltoxicpotencyvalues;Mathematicalfiremodels;Combustiontoxicity;Firehazardassessment;Firetesting--buildingmaterials;Smoketoxicity
【摘要】:Thistestmethodhasbeendesignedtoprovidedataforthemathematicalmodelingoffirehazardasameansfortheevaluationofmaterialsandproductsandtoassistintheirresearchanddevelopment.Thistestmethodisusedtopredict,andsubsequentlyconfirm,thelethaltoxicpotencyofsmokeproducedupontheexposureofamaterialorproducttospecificfiretestconditions.Confirmationdetermineswhethercertainmajorgaseoustoxicantsaccountfortheobservedtoxiceffectsandlethaltoxicpotency.Ifapredictedlethaltoxicpotencyvalueisnotconfirmedadequately,indicatingapotentialforunusualorunexplainedtoxicity,thelethaltoxicpotencywillneedtobeinvestigatedusingothermethodology,suchasconductinganexperimentaldeterminationoftheLC50usingtheapparatusdescribed.(SeeX1.3.1andX1.3.2.)Thistestmethodproduceslethaltoxicpotencyvaluesthatareappropriateforuseinthemodelingofbothpre-flashoverandpost-flashoverfires.MostfiredeathsduetosmokeinhalationintheU.S.occurinareasotherthantheroomoffireoriginandarecausedbyfiresthathaveproceededbeyondtheroomoffireorigin.Itisassumedthattheseareflashoverfires.Therefore,theprincipalemphasisisplacedonevaluatingtoxichazardundertheseconditions.Inpost-flashoverfires,largeconcentrationsofcarbonmonoxideresultsfromreducedairsupplytothefireplumeandotherroom-scalefactors.Bench-scaletestsdonothavethecapacitytosimulatethesephenomena.Thelethaltoxicpotencyvaluesdeterminedinthistestmethodareobtainedfromfuel/airratiosmorerepresentativeofpre-flashover,ratherthanpost-flashoverconditions.Incaseswhereapre-flashoverfirerepresentationisdesiredinfirehazardmodeling,theseLC50valuesareappropriate.Lethaltoxicpotencyandcarbonmonoxideyieldvaluesdeterminedinthistestmethodrequireadjustmentforuseinmodelingofthehazardfrompost-flashoverconditions.(SeeX1.4.1.)Thelethaltoxicpotencyvaluesdeterminedinthistestmethodhavealevelofuncertaintyintheiraccuracywhenusedtopredictreal-scaletoxicpotencies.(SeeX1.4.2.)Theaccuracyofthebench-scaledataforpre-flashoverfireshasnotbeenestablishedexperimentally.Thecombustionconditionsintheapparatusarequitesimilartorealpre-flashoverfires,althoughthemassburningratemaybehigheratthe50kW/m2irradianceofthetestmethod.ComparisonofthetoxicantyieldsandLC50(post-flashover)valuesobtainedusingthismethodhavebeenshowninlimitedtests(22)toreproducetheLC50valuesfromreal-scale,post-flashoverfirestowithinanaccuracyofapproximatelyafactorofthree.Therefore,LC50(post-flashover)valuesdifferingbylessthanafactorofthreeareindistinguishablefromeachother.(SeeX1.4.2.)Thistestmethoddoesnotattempttoaddressthetoxicologicalsignificanceofchangesinparticulateandaerosolsize,smoketransport,distribution,ordepositionorchangesintheconcentrationofanysmokeconstituentasafunctionoftimeasmayoccurinarealfire.Thepropensityforsmokefromanymaterialtohavethesameeffectsonhumansinfiresituationscanbeinferredonlytotheextentthattheratiscorrelatedwithhumansasabiologicalsystem.(SeeX1.2.5.)Thistestmethoddoesnotassessincapacitation.Incapacitationmustbeinferredfromlethaltoxicpotencyvalues.Theeffectsofsensoryirritationarenotaddressedbythistestmethod.1.1Thisfire-test-responsestandardcoversameansfordeterminingthelethaltoxicpotencyofsmokeproducedfromamaterialorproductignitedwhileexposedtoaradiantheatfluxof50kW/m2for15min.1.2Thistestmethodislimitedtotestspecimensno......
【中国标准分类号】:C83
【国际标准分类号】:91_040_01
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:Magnesiumandmagnesiumalloys-Returns-Requirements,classificationandacceptance
【原文标准名称】:镁和镁合金.回炉料.要求、分类和验收
【标准号】:BSISO23079-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-03-31
【实施或试行日期】:2005-03-31
【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】:机械性能;镁合金;规范(验收);作标记;再循环;材料;等级;铸造生产;定义;抽样方法;镁;分类系统;特性
【英文主题词】:Classes;Classificationsystems;Definition;Definitions;Foundrypractice;Magnesium;Magnesiumalloys;Marking;Materials;Mechanicalproperties;Properties;Recycling;Samplingmethods;Specification(approval)
【摘要】:ISO23079:2005specifiesgeneralrequirements,classificationandacceptanceforthedifferentclassesofmagnesiumreturns.
【中国标准分类号】:H61
【国际标准分类号】:77_120_20
【页数】:14P;A4
【正文语种】:英语