JB/Z 173-1981 渐开线圆柱齿轮磨齿机参数和系列型谱
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基本信息
| 标准名称： | 渐开线圆柱齿轮磨齿机参数和系列型谱 |
| 中标分类： | 机械 >> 金属切削机床 >> 齿轮与螺纹加工机床 |
| 替代情况： | 被JB/T 3989.1-99代替 |
| 发布日期： | |
| 实施日期： | 1999-04-05 |
| 首发日期： | |
| 作废日期： | 2000-01-01 |
| 出版日期： | |
| 页数： | 13页 |
适用范围
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前言
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目录
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引用标准
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所属分类： 机械 金属切削机床 齿轮与螺纹加工机床
下载地址: 点击此处下载
【英文标准名称】:StandardPracticeforPolyurethaneRawMaterials:DeterminingHydroxylNumberofPolyolsbyNearInfrared(NIR)Spectroscopy
【原文标准名称】:聚氨基甲酸乙酯原料的标准实施规范:利用近红外谱法测定多元醇中的羟基值
【标准号】:ASTMD6342-2008
【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】:D20.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemometrics;hydroxylnumber;MLR;multivariateanalysis;near-infraredanalysis;NIR;PCR.PLS;polyol;polyurethane;rawmaterial;NIR(nearinfrared)spectroscopy;PCR(principalcomponentsregression);PLS(partialleastsquares)regression;Polyols;
【摘要】:GeneralUtility:Itisnecessarytoknowthehydroxylnumberofpolyolsinordertoformulatepolyurethanesystems.Thispracticeissuitableforresearch,qualitycontrol,specificationtesting,andprocesscontrol.Limitations:FactorsaffectingtheNIRspectraoftheanalytepolyolsneedtobedeterminedbeforeacalibrationprocedureisstarted.Chemicalstructure,interferences,anynonlinearities,theeffectoftemperature,andtheinteractionoftheanalytewithothersamplecomponentssuchascatalyst,waterandotherpolyolsneedstobeunderstoodinordertoproperlyselectsamplesthatwillmodelthoseeffectswhichcannotbeadequatelycontrolled.CalibrationsaregenerallyconsideredvalidonlyforthespecificNIRinstrumentusedtogeneratethecalibration.Usingdifferentinstruments(evenwhenmadebythesamemanufacturer)forcalibrationandanalysiscanseriouslyaffecttheaccuracyandprecisionofthemeasuredhydroxylnumber.ProceduresusedfortransferringcalibrationsbetweeninstrumentsareproblematicandaretobeutilizedwithcautionfollowingtheguidelinesinSection16.Theseproceduresgenerallyrequireacompletelynewvalidationandstatisticalanalysisoferrorsonthenewinstrument.Theanalyticalresultsarestatisticallyvalidonlyfortherangeofhydroxylnumbersusedinthecalibration.Extrapolationtolowerorhigherhydroxylvaluescanincreasetheerrorsanddegradeprecision.Likewise,theanalyticalresultsareonlyvalidforthesamechemicalcompositionasusedforthecalibrationset.Asignificantchangeincompositionorcontaminantscanalsoaffecttheresults.Outlierdetection,asdiscussedinPracticesE1655,isatoolthatcanbeusedtodetectthepossibilityofproblemssuchasthosementionedabove.1.1ThisstandardcoversapracticeforthedeterminationofhydroxylnumbersofpolyolsusingNIRspectroscopy.1.2Definitions,terms,andcalibrationtechniquesaredescribed.Proceduresforselectingsamples,andcollectingandtreatingdatafordevelopingNIRcalibrationsareoutlined.Criteriaforbuilding,evaluating,andvalidatingtheNIRcalibrationmodelarealsodescribed.Finally,theprocedureforsamplehandling,datagatheringandevaluationaredescribed.1.3TheimplementationofthisstandardrequiresthattheNIRspectrometerhasbeeninstalledincompliancewiththemanufacturer''sspecifications.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoequivalentorsimilarISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_040_10
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Superconductivity-Part5:Matrixtosuperconductorvolumeratiomeasurement;CoppertosuperconductorvolumeratioofCu/Nb-Ticompositesuperconductors(IEC61788-5:2000);GermanversionEN61788-5:2001
【原文标准名称】:超导性.第5部分:超导体体积比率测量矩阵.Cu/Nb-Ti复合超导体铜与超导体的体积比率
【标准号】:EN61788-5-2001
【标准状态】:现行
【国别】:
【发布日期】:2001-07
【实施或试行日期】:2001-07-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铜;钛合金;铌;钛;超导性;超导体;电气工程;电流测量;铜导线;铜合金;测量;体积
【英文主题词】:Copper;Copperalloys;Copperconductors;Currentmeasurement;Electricalengineering;Measurement;Niobium;Superconductivity;Superconductors;Titanium;Titaniumalloys;Volume
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:29_050
【页数】:16P.;A4
【正文语种】:英语
【原文标准名称】:聚氨基甲酸乙酯原料的标准实施规范:利用近红外谱法测定多元醇中的羟基值
【标准号】:ASTMD6342-2008
【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】:D20.22
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:chemometrics;hydroxylnumber;MLR;multivariateanalysis;near-infraredanalysis;NIR;PCR.PLS;polyol;polyurethane;rawmaterial;NIR(nearinfrared)spectroscopy;PCR(principalcomponentsregression);PLS(partialleastsquares)regression;Polyols;
【摘要】:GeneralUtility:Itisnecessarytoknowthehydroxylnumberofpolyolsinordertoformulatepolyurethanesystems.Thispracticeissuitableforresearch,qualitycontrol,specificationtesting,andprocesscontrol.Limitations:FactorsaffectingtheNIRspectraoftheanalytepolyolsneedtobedeterminedbeforeacalibrationprocedureisstarted.Chemicalstructure,interferences,anynonlinearities,theeffectoftemperature,andtheinteractionoftheanalytewithothersamplecomponentssuchascatalyst,waterandotherpolyolsneedstobeunderstoodinordertoproperlyselectsamplesthatwillmodelthoseeffectswhichcannotbeadequatelycontrolled.CalibrationsaregenerallyconsideredvalidonlyforthespecificNIRinstrumentusedtogeneratethecalibration.Usingdifferentinstruments(evenwhenmadebythesamemanufacturer)forcalibrationandanalysiscanseriouslyaffecttheaccuracyandprecisionofthemeasuredhydroxylnumber.ProceduresusedfortransferringcalibrationsbetweeninstrumentsareproblematicandaretobeutilizedwithcautionfollowingtheguidelinesinSection16.Theseproceduresgenerallyrequireacompletelynewvalidationandstatisticalanalysisoferrorsonthenewinstrument.Theanalyticalresultsarestatisticallyvalidonlyfortherangeofhydroxylnumbersusedinthecalibration.Extrapolationtolowerorhigherhydroxylvaluescanincreasetheerrorsanddegradeprecision.Likewise,theanalyticalresultsareonlyvalidforthesamechemicalcompositionasusedforthecalibrationset.Asignificantchangeincompositionorcontaminantscanalsoaffecttheresults.Outlierdetection,asdiscussedinPracticesE1655,isatoolthatcanbeusedtodetectthepossibilityofproblemssuchasthosementionedabove.1.1ThisstandardcoversapracticeforthedeterminationofhydroxylnumbersofpolyolsusingNIRspectroscopy.1.2Definitions,terms,andcalibrationtechniquesaredescribed.Proceduresforselectingsamples,andcollectingandtreatingdatafordevelopingNIRcalibrationsareoutlined.Criteriaforbuilding,evaluating,andvalidatingtheNIRcalibrationmodelarealsodescribed.Finally,theprocedureforsamplehandling,datagatheringandevaluationaredescribed.1.3TheimplementationofthisstandardrequiresthattheNIRspectrometerhasbeeninstalledincompliancewiththemanufacturer''sspecifications.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoequivalentorsimilarISOstandard.
【中国标准分类号】:G31
【国际标准分类号】:83_040_10
【页数】:9P.;A4
【正文语种】:英语
【英文标准名称】:Superconductivity-Part5:Matrixtosuperconductorvolumeratiomeasurement;CoppertosuperconductorvolumeratioofCu/Nb-Ticompositesuperconductors(IEC61788-5:2000);GermanversionEN61788-5:2001
【原文标准名称】:超导性.第5部分:超导体体积比率测量矩阵.Cu/Nb-Ti复合超导体铜与超导体的体积比率
【标准号】:EN61788-5-2001
【标准状态】:现行
【国别】:
【发布日期】:2001-07
【实施或试行日期】:2001-07-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:铜;钛合金;铌;钛;超导性;超导体;电气工程;电流测量;铜导线;铜合金;测量;体积
【英文主题词】:Copper;Copperalloys;Copperconductors;Currentmeasurement;Electricalengineering;Measurement;Niobium;Superconductivity;Superconductors;Titanium;Titaniumalloys;Volume
【摘要】:
【中国标准分类号】:A42
【国际标准分类号】:29_050
【页数】:16P.;A4
【正文语种】:英语