SN/T 1772-2006 进出口粮谷中玉米赤霉烯酮的测定 免疫亲合柱-液相色谱法
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基本信息
| 标准名称： | 进出口粮谷中玉米赤霉烯酮的测定 免疫亲合柱-液相色谱法 |
| 英文名称： | Determination of zearalenone in cereals for import and export--Immunoaffinity column and liquid chromatoraphy method |
| 中标分类： | |
| ICS分类： | 食品技术 >> 谷物、豆类及其制品 |
| 发布日期： | 2006-04-25 |
| 实施日期： | 2006-11-15 |
| 首发日期： | |
| 作废日期： | |
| 起草单位： | 国家认证认可监督管理委员会 |
| 出版日期： | |
| 页数： | 13页 |
适用范围
本标准规定了进出口粮谷中玉米赤霉烯酮检验的制样和免疫亲和柱-液相色谱测定方法。本标准适用于进出口玉米、小麦中玉米赤霉烯酮的检验。
前言
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引用标准
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所属分类： 食品技术 谷物 豆类及其制品
下载地址: 点击此处下载
【英文标准名称】:StandardTestMethodforCreep-FatigueCrackGrowthTesting
【原文标准名称】:蠕变—疲劳龟裂增大试验的标准试验方法
【标准号】:ASTME2760-2010
【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】:E08.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compactspecimens;cracks;crackgrowth;creep;fatigue;metals
【摘要】:Creep-fatiguecrackgrowthtestingistypicallyperformedatelevatedtemperaturesoverarangeoffrequenciesandhold-timesandinvolvesthesequentialorsimultaneousapplicationoftheloadingconditionsnecessarytogeneratecracktipcyclicdeformation/damageenhancedbycreepdeformation/damageorviceversa.Unlesssuchtestsareperformedinvacuumoraninertenvironment,oxidationcanalsoberesponsibleforimportantinteractioneffectsrelatingtodamageaccumulation.Thepurposeofcreep-fatiguecrackgrowthtestscanbetodeterminematerialpropertydatafor(a)assessmentinputdataforthedamageconditionanalysisofengineeringstructuresoperatingatelevatedtemperatures,(b)materialcharacterization,or(c)developmentandverificationofrulesfordesignandlifeassessmentofhigh-temperaturecomponentssubjecttocyclicservicewithlowfrequenciesorwithperiodsofsteadyoperation,oracombinationthereof.Ineverycase,itisadvisabletohavecomplementarycontinuouscyclingfatiguedata(gatheredatthesameloading/unloadingrate),creepcrackgrowthdataforthesamematerialandtesttemperature(s)asperTestMethodE1457,andcreep-fatiguecrackformationdataasperTestMethodE2714.Aggressiveenvironmentsathightemperaturescansignificantlyaffectthecreep-fatiguecrackgrowthbehavior.Attentionmustbegiventotheproperselectionandcontroloftemperatureandenvironmentinresearchstudiesandingenerationofdesigndata.Resultsfromthistestmethodcanbeusedasfollows:Establishmaterialselectioncriteriaandinspectionrequirementsfordamagetolerantapplicationswherecyclicloadingatelevatedtemperatureispresent.Establish,inquantitativeterms,theindividualandcombinedeffectsofmetallurgical,fabrication,operatingtemperature,andloadingvariablesoncreep-fatiguecrackgrowthlife.Theresultsobtainedfromthistestmethodaredesignedforcrackdominantregimesofcreep-fatiguefailureandshouldnotbeappliedtocracksinstructureswithwide-spreadcreepdamage.Localizeddamageinasmallzonearoundthecracktipispermissible,butnotinazonethatiscomparableinsizetothecracksizeortheremainingligamentsize.1.1Thistestmethodcoversthedeterminationofcreep-fatiguecrackgrowthpropertiesofnominallyhomogeneousmaterialsbyuseofpre-crackedcompacttype,C(T),testspecimenssubjectedtouniaxialcyclicforces.Itconcernsfatiguecyclingwithsufficientlylongloading/unloadingratesorhold-times,orboth,tocausecreepdeformationatthecracktipandthecreepdeformationberesponsibleforenhancedcrackgrowthperloadingcycle.Itisintendedasaguideforcreep-fatiguetestingperformedinsupportofsuchactivitiesasmaterialsresearchanddevelopment,mechanicaldesign,processandqualitycontrol,productperformance,andfailureanalysis.Therefore,thismethodrequirestestingofatleasttwospecimensthatyieldoverlappingcrackgrowthratedata.Thecyclicconditionsresponsibleforcreep-fatiguedeformationandenhancedcrackgrowthvarywithmaterialandwithtemperatureforagivenmaterial.Theeffectsofenvironmentsuchastime-dependentoxidationinenhancingthecrackgrowthratesareassumedtobeincludedinthetestresults;itisthusessentialtoconducttestinginanenvironmentthatisrepresentativeoftheintendedapplication.1.2Twotypesofcrackgrowthmechanismsareobservedduringcreep/fatiguetests:(1)time-dependentintergranularcreepand(2)cycledependenttransgranularfatigu......
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasurementofIndexFluxThroughSaturatedGeosyntheticClayLinerSpecimensUsingaFlexibleWallPermeameter
【原文标准名称】:使用可变形墙式渗透计测量透过饱和土工合成织物粘土衬垫样品指数通量测量的标准试验方法
【标准号】:ASTMD5887-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flux;geosyntheticclayliner;hydraulicbarrier;permeameter;Flux;Geosyntheticclayliner(GCL);Geosynthetics;Hydraulicbarrier;Indexflux;Permeameters
【摘要】:ThistestmethodyieldsthefluxofwaterthroughasaturatedGCLspecimenthatisconsolidated,hydrated,andpermeatedunderaprescribedsetofconditions.ThistestmethodcanbeperformedtodetermineifthefluxofaGCLspecimenexceedsthemaximumvaluestatedbythemanufacturer.ThistestmethodcanbeusedtodeterminethevariationinfluxwithinasampleofGCLbytestinganumberofdifferentspecimens.Thistestmethoddoesnotprovideafluxvaluetobeuseddirectlyindesigncalculations.Note18212;Fluxforin-serviceconditionsdependsonanumberoffactors,includingconfiningpressure,typeofhydrationfluid,degreeofhydration,degreeofsaturation,typeofpermeatingfluid,andhydraulicgradient.CorrelationbetweenfluxvaluesobtainedwiththistestmethodandfluxthroughGCLssubjectedtoin-serviceconditionshasnotbeenfullyinvestigated.Thistestmethoddoesnotprovideavalueofhydraulicconductivity.Althoughhydraulicconductivitycanbedeterminedinamannersimilartothemethoddescribedinthistestmethod,thethicknessofthespecimenisneededtocalculatehydraulicconductivity.ThistestmethoddoesnotincludeproceduresformeasuringthethicknessoftheGCLnoroftheclaycomponentwithintheGCL.Theapparatususedinthistestmethodiscommonlyusedtodeterminethehydraulicconductivityofsoilspecimens.However,fluxvaluesmeasuredinthistestaretypicallymuchlowerthanthosecommonlymeasuredformostnaturalsoils.Itisessentialthattheleakagerateoftheapparatususedinthistestbelessthan10%oftheflux.1.1Thistestmethodcoversanindextestthatcoverslaboratorymeasurementoffluxthroughsaturatedgeosyntheticclayliner(GCL)specimensusingaflexiblewallpermeameter.1.2ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s)orpolymercoatingbacking(s).1.3Thistestmethodprovidesameasurementoffluxunderaprescribedsetofconditionsthatcanbeusedformanufacturingqualitycontrol.Thetestmethodcanalsobeusedtocheckconformance.Thefluxvaluedeterminedusingthistestmethodisnotconsideredtoberepresentativeofthein-servicefluxofGCLs.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard,unlessotherunitsarespecificallygiven.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:7P.;A4
【正文语种】:英语
【原文标准名称】:蠕变—疲劳龟裂增大试验的标准试验方法
【标准号】:ASTME2760-2010
【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】:E08.06
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:compactspecimens;cracks;crackgrowth;creep;fatigue;metals
【摘要】:Creep-fatiguecrackgrowthtestingistypicallyperformedatelevatedtemperaturesoverarangeoffrequenciesandhold-timesandinvolvesthesequentialorsimultaneousapplicationoftheloadingconditionsnecessarytogeneratecracktipcyclicdeformation/damageenhancedbycreepdeformation/damageorviceversa.Unlesssuchtestsareperformedinvacuumoraninertenvironment,oxidationcanalsoberesponsibleforimportantinteractioneffectsrelatingtodamageaccumulation.Thepurposeofcreep-fatiguecrackgrowthtestscanbetodeterminematerialpropertydatafor(a)assessmentinputdataforthedamageconditionanalysisofengineeringstructuresoperatingatelevatedtemperatures,(b)materialcharacterization,or(c)developmentandverificationofrulesfordesignandlifeassessmentofhigh-temperaturecomponentssubjecttocyclicservicewithlowfrequenciesorwithperiodsofsteadyoperation,oracombinationthereof.Ineverycase,itisadvisabletohavecomplementarycontinuouscyclingfatiguedata(gatheredatthesameloading/unloadingrate),creepcrackgrowthdataforthesamematerialandtesttemperature(s)asperTestMethodE1457,andcreep-fatiguecrackformationdataasperTestMethodE2714.Aggressiveenvironmentsathightemperaturescansignificantlyaffectthecreep-fatiguecrackgrowthbehavior.Attentionmustbegiventotheproperselectionandcontroloftemperatureandenvironmentinresearchstudiesandingenerationofdesigndata.Resultsfromthistestmethodcanbeusedasfollows:Establishmaterialselectioncriteriaandinspectionrequirementsfordamagetolerantapplicationswherecyclicloadingatelevatedtemperatureispresent.Establish,inquantitativeterms,theindividualandcombinedeffectsofmetallurgical,fabrication,operatingtemperature,andloadingvariablesoncreep-fatiguecrackgrowthlife.Theresultsobtainedfromthistestmethodaredesignedforcrackdominantregimesofcreep-fatiguefailureandshouldnotbeappliedtocracksinstructureswithwide-spreadcreepdamage.Localizeddamageinasmallzonearoundthecracktipispermissible,butnotinazonethatiscomparableinsizetothecracksizeortheremainingligamentsize.1.1Thistestmethodcoversthedeterminationofcreep-fatiguecrackgrowthpropertiesofnominallyhomogeneousmaterialsbyuseofpre-crackedcompacttype,C(T),testspecimenssubjectedtouniaxialcyclicforces.Itconcernsfatiguecyclingwithsufficientlylongloading/unloadingratesorhold-times,orboth,tocausecreepdeformationatthecracktipandthecreepdeformationberesponsibleforenhancedcrackgrowthperloadingcycle.Itisintendedasaguideforcreep-fatiguetestingperformedinsupportofsuchactivitiesasmaterialsresearchanddevelopment,mechanicaldesign,processandqualitycontrol,productperformance,andfailureanalysis.Therefore,thismethodrequirestestingofatleasttwospecimensthatyieldoverlappingcrackgrowthratedata.Thecyclicconditionsresponsibleforcreep-fatiguedeformationandenhancedcrackgrowthvarywithmaterialandwithtemperatureforagivenmaterial.Theeffectsofenvironmentsuchastime-dependentoxidationinenhancingthecrackgrowthratesareassumedtobeincludedinthetestresults;itisthusessentialtoconducttestinginanenvironmentthatisrepresentativeoftheintendedapplication.1.2Twotypesofcrackgrowthmechanismsareobservedduringcreep/fatiguetests:(1)time-dependentintergranularcreepand(2)cycledependenttransgranularfatigu......
【中国标准分类号】:H22
【国际标准分类号】:77_040_10
【页数】:19P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMeasurementofIndexFluxThroughSaturatedGeosyntheticClayLinerSpecimensUsingaFlexibleWallPermeameter
【原文标准名称】:使用可变形墙式渗透计测量透过饱和土工合成织物粘土衬垫样品指数通量测量的标准试验方法
【标准号】:ASTMD5887-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D35.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:flux;geosyntheticclayliner;hydraulicbarrier;permeameter;Flux;Geosyntheticclayliner(GCL);Geosynthetics;Hydraulicbarrier;Indexflux;Permeameters
【摘要】:ThistestmethodyieldsthefluxofwaterthroughasaturatedGCLspecimenthatisconsolidated,hydrated,andpermeatedunderaprescribedsetofconditions.ThistestmethodcanbeperformedtodetermineifthefluxofaGCLspecimenexceedsthemaximumvaluestatedbythemanufacturer.ThistestmethodcanbeusedtodeterminethevariationinfluxwithinasampleofGCLbytestinganumberofdifferentspecimens.Thistestmethoddoesnotprovideafluxvaluetobeuseddirectlyindesigncalculations.Note18212;Fluxforin-serviceconditionsdependsonanumberoffactors,includingconfiningpressure,typeofhydrationfluid,degreeofhydration,degreeofsaturation,typeofpermeatingfluid,andhydraulicgradient.CorrelationbetweenfluxvaluesobtainedwiththistestmethodandfluxthroughGCLssubjectedtoin-serviceconditionshasnotbeenfullyinvestigated.Thistestmethoddoesnotprovideavalueofhydraulicconductivity.Althoughhydraulicconductivitycanbedeterminedinamannersimilartothemethoddescribedinthistestmethod,thethicknessofthespecimenisneededtocalculatehydraulicconductivity.ThistestmethoddoesnotincludeproceduresformeasuringthethicknessoftheGCLnoroftheclaycomponentwithintheGCL.Theapparatususedinthistestmethodiscommonlyusedtodeterminethehydraulicconductivityofsoilspecimens.However,fluxvaluesmeasuredinthistestaretypicallymuchlowerthanthosecommonlymeasuredformostnaturalsoils.Itisessentialthattheleakagerateoftheapparatususedinthistestbelessthan10%oftheflux.1.1Thistestmethodcoversanindextestthatcoverslaboratorymeasurementoffluxthroughsaturatedgeosyntheticclayliner(GCL)specimensusingaflexiblewallpermeameter.1.2ThistestmethodisapplicabletoGCLproductshavinggeotextilebacking(s).ItisnotapplicabletoGCLproductswithgeomembranebacking(s),geofilmbacking(s)orpolymercoatingbacking(s).1.3Thistestmethodprovidesameasurementoffluxunderaprescribedsetofconditionsthatcanbeusedformanufacturingqualitycontrol.Thetestmethodcanalsobeusedtocheckconformance.Thefluxvaluedeterminedusingthistestmethodisnotconsideredtoberepresentativeofthein-servicefluxofGCLs.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard,unlessotherunitsarespecificallygiven.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W59
【国际标准分类号】:59_080_70
【页数】:7P.;A4
【正文语种】:英语
