GB 7133-1986 未增塑乙酸纤维素水解 乙酸值的测定
作者:标准资料网 时间:2024-05-15 09:58:30 浏览:8858
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： | 未增塑乙酸纤维素水解 乙酸值的测定 |
| 中标分类： | 化工 >> 合成材料 >> 合成树脂、塑料基础标准与通用方法 |
| 替代情况： | 调整为HG/T 3021-1986(1997) |
| 发布日期： | 1900-01-01 |
| 实施日期： | 1987-10-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 3页 |
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： 化工 合成材料 合成树脂 塑料基础标准与通用方法
下载地址: 点击此处下载
【英文标准名称】:StandardGuideforSelectionandUseofMathematicalMethodsforCalculatingAbsorbedDoseinRadiationProcessingApplications
【原文标准名称】:辐射处理设备的吸收剂量计算用数学方法的选择和使用的标准指南
【标准号】:ASTME2232-2010
【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】:E10.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:benchmarking;deterministicmethod;discreteordinates;empiricalmethod;mathematicalmodels;modeling;modelling;MonteCarlo;pointkernel;radiationprocessing;radiationtransport;stochastic;validation;verification;Benchmarkprocessing/testing;D
【摘要】:UseasanAnalyticalTool8212;Mathematicalmethodsprovideananalyticaltooltobeemployedformanyapplicationsrelatedtoabsorbeddosedeterminationsinradiationprocessing.Mathematicalcalculationsmaynotbeusedasasubstituteforroutinedosimetryinsomeapplications(forexample,medicaldevicesterilization,foodirradiation).DoseCalculation8212;Absorbed-dosecalculationsmaybeperformedforavarietyofphoton/electronenvironmentsandirradiatorgeometries.EvaluateProcessEffectiveness8212;Mathematicalmodelsmaybeusedtoevaluatetheimpactofchangesinproductcomposition,loadingconfiguration,andirradiatordesignondosedistribution.ComplementorSupplementtoDosimetry8212;Dosecalculationsmaybeusedtoestablishadetailedunderstandingofdosedistribution,providingaspatialresolutionnotobtainablethroughmeasurement.Calculationsmaybeusedtoreducethenumberofdosimetersrequiredtocharacterizeaprocedureorprocess(forexample,dosemapping).AlternativetoDosimetry8212;Dosecalculationsmaybeusedwhendosimetryisimpractical(forexample,granularmaterials,materialswithcomplexgeometries,materialcontainedinapackagewheredosimetryisnotpracticalorpossible).FacilityDesign8212;Dosecalculationsareoftenusedinthedesignofanewirradiatorandcanbeusedtohelpoptimizedosedistributioninanexistingfacilityorradiationprocess.Theuseofmodelinginirradiatordesigncanbefoundinreferences(3-9).Validation8212;Thevalidationofthemodelshouldbedonethroughcomparisonwithreliableandtraceabledosimetricmeasurements.Thepurposeofvalidationistodemonstratethatthemathematicalmethodmakesreliablepredictionsofdoseandothertransportquantities.Validationcomparespredictionsortheorytotheresultsofanappropriateexperiment.Thedegreeofvalidationiscommensuratewiththeapplication.GuidanceisgiveninthedocumentsreferencedinAnnexA2.Verification8212;Verificationistheconfirmationofthemathematicalcorrectnessofacomputerimplementationofamathematicalmethod.Thiscanbedone,forexample,bycomparingnumericalresultswithknownanalyticsolutionsorwithothercomputercodesthathavebeenpreviouslyverified.Verificationshouldbedonetoensurethatthesimulationisappropriatefortheintendedapplication.Referto3.1.23.1.Note28212;CertainapplicationsofthemathematicalmodeldealwithOperationalQualification(OQ),PerformanceQualification(PQ)andprocesscontrolinradiationprocessingsuchasthesterilizationofhealthcareproducts.Theapplicationanduseofthemathematicalmodelintheseapplicationsmayhavetomeetregulatoryrequirements.RefertoSection6forprerequisitesforapplicationofamathematicalmethodandSection8forrequirementsbeforeroutineuseofthemathematicalmethod.Uncertainty8212;Anabsorbeddosepredictionshouldbeaccompaniedbyanestimateofoveralluncertainty,asitiswithabsorbed-dosedetermination(refertoISO/ASTM51707andNISTTechnicalNote1297).Inmanycases,absorbed-dosemeasurementhelpstoestablishtheuncertaintyinthedosecalculation.Thisguideshouldnotbeusedastheonlyreferenceintheselectionanduseofmathematicalmodels.Theuserisencoura......【英文标准名称】:Textile-reinforcedhoses-Part4:Testing
【原文标准名称】:织物增强软管.第4部分:试验
【标准号】:DIN20018-4-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;验证;检验;柔性管;材料试验;尺寸控制;试验条件;试验;采掘;弯曲试验;软管组件;老化;织物层;规范(验收);试样;耐力;磨损;材料;压力试验;试验压力
【英文主题词】:
【摘要】:ThisstandardfixestestingmethodsforhoseswithlayersoftextileasperDIN20018-1,DIN20018-2andDIN20018-3#,,#
【中国标准分类号】:G42;G33
【国际标准分类号】:23_040_70
【页数】:7P;A4
【正文语种】:德语
【原文标准名称】:辐射处理设备的吸收剂量计算用数学方法的选择和使用的标准指南
【标准号】:ASTME2232-2010
【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】:E10.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:benchmarking;deterministicmethod;discreteordinates;empiricalmethod;mathematicalmodels;modeling;modelling;MonteCarlo;pointkernel;radiationprocessing;radiationtransport;stochastic;validation;verification;Benchmarkprocessing/testing;D
【摘要】:UseasanAnalyticalTool8212;Mathematicalmethodsprovideananalyticaltooltobeemployedformanyapplicationsrelatedtoabsorbeddosedeterminationsinradiationprocessing.Mathematicalcalculationsmaynotbeusedasasubstituteforroutinedosimetryinsomeapplications(forexample,medicaldevicesterilization,foodirradiation).DoseCalculation8212;Absorbed-dosecalculationsmaybeperformedforavarietyofphoton/electronenvironmentsandirradiatorgeometries.EvaluateProcessEffectiveness8212;Mathematicalmodelsmaybeusedtoevaluatetheimpactofchangesinproductcomposition,loadingconfiguration,andirradiatordesignondosedistribution.ComplementorSupplementtoDosimetry8212;Dosecalculationsmaybeusedtoestablishadetailedunderstandingofdosedistribution,providingaspatialresolutionnotobtainablethroughmeasurement.Calculationsmaybeusedtoreducethenumberofdosimetersrequiredtocharacterizeaprocedureorprocess(forexample,dosemapping).AlternativetoDosimetry8212;Dosecalculationsmaybeusedwhendosimetryisimpractical(forexample,granularmaterials,materialswithcomplexgeometries,materialcontainedinapackagewheredosimetryisnotpracticalorpossible).FacilityDesign8212;Dosecalculationsareoftenusedinthedesignofanewirradiatorandcanbeusedtohelpoptimizedosedistributioninanexistingfacilityorradiationprocess.Theuseofmodelinginirradiatordesigncanbefoundinreferences(3-9).Validation8212;Thevalidationofthemodelshouldbedonethroughcomparisonwithreliableandtraceabledosimetricmeasurements.Thepurposeofvalidationistodemonstratethatthemathematicalmethodmakesreliablepredictionsofdoseandothertransportquantities.Validationcomparespredictionsortheorytotheresultsofanappropriateexperiment.Thedegreeofvalidationiscommensuratewiththeapplication.GuidanceisgiveninthedocumentsreferencedinAnnexA2.Verification8212;Verificationistheconfirmationofthemathematicalcorrectnessofacomputerimplementationofamathematicalmethod.Thiscanbedone,forexample,bycomparingnumericalresultswithknownanalyticsolutionsorwithothercomputercodesthathavebeenpreviouslyverified.Verificationshouldbedonetoensurethatthesimulationisappropriatefortheintendedapplication.Referto3.1.23.1.Note28212;CertainapplicationsofthemathematicalmodeldealwithOperationalQualification(OQ),PerformanceQualification(PQ)andprocesscontrolinradiationprocessingsuchasthesterilizationofhealthcareproducts.Theapplicationanduseofthemathematicalmodelintheseapplicationsmayhavetomeetregulatoryrequirements.RefertoSection6forprerequisitesforapplicationofamathematicalmethodandSection8forrequirementsbeforeroutineuseofthemathematicalmethod.Uncertainty8212;Anabsorbeddosepredictionshouldbeaccompaniedbyanestimateofoveralluncertainty,asitiswithabsorbed-dosedetermination(refertoISO/ASTM51707andNISTTechnicalNote1297).Inmanycases,absorbed-dosemeasurementhelpstoestablishtheuncertaintyinthedosecalculation.Thisguideshouldnotbeusedastheonlyreferenceintheselectionanduseofmathematicalmodels.Theuserisencoura......【英文标准名称】:Textile-reinforcedhoses-Part4:Testing
【原文标准名称】:织物增强软管.第4部分:试验
【标准号】:DIN20018-4-2003
【标准状态】:现行
【国别】:德国
【发布日期】:2003-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:尺寸;验证;检验;柔性管;材料试验;尺寸控制;试验条件;试验;采掘;弯曲试验;软管组件;老化;织物层;规范(验收);试样;耐力;磨损;材料;压力试验;试验压力
【英文主题词】:
【摘要】:ThisstandardfixestestingmethodsforhoseswithlayersoftextileasperDIN20018-1,DIN20018-2andDIN20018-3#,,#
【中国标准分类号】:G42;G33
【国际标准分类号】:23_040_70
【页数】:7P;A4
【正文语种】:德语
