ZB T 32005.1-1988 双钢丝式环箍
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基本信息
| 标准名称： | 双钢丝式环箍 |
| 中标分类： | 车辆 >> 车辆通用零部件 >> 螺塞、管件 |
| 替代情况： | JB 3616.1-84;转化为QC/T 390-1999 |
| 发布日期： | |
| 实施日期： | 1990-10-01 |
| 首发日期： | |
| 作废日期： | |
| 出版日期： |
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前言
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引用标准
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所属分类： 车辆 车辆通用零部件 螺塞 管件
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【英文标准名称】:StandardTestMethodforAromaticCarbonContentsofHydrocarbonOilsbyHighResolutionNuclearMagneticResonanceSpectroscopy
【原文标准名称】:用高裂度核磁共振光谱法测定烃类油中芳香碳含量的标准试验方法
【标准号】:ASTMD5292-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D02.04.0F
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromaticcarboncontent;aromatichydrogencontent;continuouswave;Fouriertransform;hydrocarbonoils;NMR;nuclearmagneticresonancespectroscopy;Aromaticcompounds;Aromatichydrocarbons(AHs);Aromatichydrogen/carboncontent;Carboncontent
【摘要】:Aromaticcontentisakeycharacteristicofhydrocarbonoilsandcanaffectavarietyofpropertiesoftheoilincludingitsboilingrange,viscosity,stability,andcompatibilityoftheoilwithpolymers.Existingmethodsforestimatingaromaticcontentsusephysicalmeasurements,suchasrefractiveindex,density,andnumberaveragemolecularweight(seeTestMethodD3238)orinfraredabsorbanceandoftendependontheavailabilityofsuitablestandards.TheseNMRproceduresdonotrequirestandardsofknownaromatichydrogenoraromaticcarboncontentsandareapplicabletoawiderangeofhydrocarbonoilsthatarecompletelysolubleinchloroformatambienttemperature.Thearomatichydrogenandaromaticcarboncontentsdeterminedbythistestmethodcanbeusedtoevaluatechangesinaromaticcontentsofhydrocarbonoilsduetochangesinprocessingconditionsandtodevelopprocessingmodelsinwhichthearomaticcontentofthehydrocarbonoilisakeyprocessingindicator.1.1Thistestmethodcoversthedeterminationofthearomatichydrogencontent(ProceduresAandB)andaromaticcarboncontent(ProcedureC)ofhydrocarbonoilsusinghigh-resolutionnuclearmagneticresonance(NMR)spectrometers.Applicablesamplesincludekerosenes,gasoils,mineraloils,lubricatingoils,coalliquids,andotherdistillatesthatarecompletelysolubleinchloroformatambienttemperature.ForpulseFouriertransform(FT)spectrometers,thedetectionlimitistypically0.1mol%aromatichydrogenatomsand0.5mol%aromaticcarbonatoms.Forcontinuouswave(CW)spectrometers,whicharesuitableformeasuringaromatichydrogencontentsonly,thedetectionlimitisconsiderablyhigherandtypically0.5mol%aromatichydrogenatoms.1.2Thereportedunitsaremolepercentaromatichydrogenatomsandmolepercentaromaticcarbonatoms.1.3Thistestmethodisnotapplicabletosamplescontainingmorethan1mass%olefinicorphenoliccompounds.1.4ThistestmethoddoesnotcoverthedeterminationofthepercentagemassofaromaticcompoundsinoilssinceNMRsignalsfrombothsaturatedhydrocarbonsandaliphaticsubstituentsonaromaticringcompoundsappearinthesamechemicalshiftregion.Forthedeterminationofmassorvolumepercentaromaticsinhydrocarbonoils,chromatographic,ormassspectrometrymethodscanbeused.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.2and7.3.
【中国标准分类号】:E31
【国际标准分类号】:75_080
【页数】:7P.;A4
【正文语种】:英语
MIL-PRF-32144, PERFORMANCE SPECIFICATION: CLOCK, AIRCRAFT, ELECTRONIC (09 MAR 2004)., This specification contains the technical and performance requirements for an electronic clock. The electronic clock is intended for use in military aircraft, which may be at a fixed military base, deployed to austere forward operating locations, or naval vessels afloat. This specification provides for first article testing described herein.
【原文标准名称】:用高裂度核磁共振光谱法测定烃类油中芳香碳含量的标准试验方法
【标准号】:ASTMD5292-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D02.04.0F
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:aromaticcarboncontent;aromatichydrogencontent;continuouswave;Fouriertransform;hydrocarbonoils;NMR;nuclearmagneticresonancespectroscopy;Aromaticcompounds;Aromatichydrocarbons(AHs);Aromatichydrogen/carboncontent;Carboncontent
【摘要】:Aromaticcontentisakeycharacteristicofhydrocarbonoilsandcanaffectavarietyofpropertiesoftheoilincludingitsboilingrange,viscosity,stability,andcompatibilityoftheoilwithpolymers.Existingmethodsforestimatingaromaticcontentsusephysicalmeasurements,suchasrefractiveindex,density,andnumberaveragemolecularweight(seeTestMethodD3238)orinfraredabsorbanceandoftendependontheavailabilityofsuitablestandards.TheseNMRproceduresdonotrequirestandardsofknownaromatichydrogenoraromaticcarboncontentsandareapplicabletoawiderangeofhydrocarbonoilsthatarecompletelysolubleinchloroformatambienttemperature.Thearomatichydrogenandaromaticcarboncontentsdeterminedbythistestmethodcanbeusedtoevaluatechangesinaromaticcontentsofhydrocarbonoilsduetochangesinprocessingconditionsandtodevelopprocessingmodelsinwhichthearomaticcontentofthehydrocarbonoilisakeyprocessingindicator.1.1Thistestmethodcoversthedeterminationofthearomatichydrogencontent(ProceduresAandB)andaromaticcarboncontent(ProcedureC)ofhydrocarbonoilsusinghigh-resolutionnuclearmagneticresonance(NMR)spectrometers.Applicablesamplesincludekerosenes,gasoils,mineraloils,lubricatingoils,coalliquids,andotherdistillatesthatarecompletelysolubleinchloroformatambienttemperature.ForpulseFouriertransform(FT)spectrometers,thedetectionlimitistypically0.1mol%aromatichydrogenatomsand0.5mol%aromaticcarbonatoms.Forcontinuouswave(CW)spectrometers,whicharesuitableformeasuringaromatichydrogencontentsonly,thedetectionlimitisconsiderablyhigherandtypically0.5mol%aromatichydrogenatoms.1.2Thereportedunitsaremolepercentaromatichydrogenatomsandmolepercentaromaticcarbonatoms.1.3Thistestmethodisnotapplicabletosamplescontainingmorethan1mass%olefinicorphenoliccompounds.1.4ThistestmethoddoesnotcoverthedeterminationofthepercentagemassofaromaticcompoundsinoilssinceNMRsignalsfrombothsaturatedhydrocarbonsandaliphaticsubstituentsonaromaticringcompoundsappearinthesamechemicalshiftregion.Forthedeterminationofmassorvolumepercentaromaticsinhydrocarbonoils,chromatographic,ormassspectrometrymethodscanbeused.1.5ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.6Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin7.2and7.3.
【中国标准分类号】:E31
【国际标准分类号】:75_080
【页数】:7P.;A4
【正文语种】:英语
MIL-PRF-32144, PERFORMANCE SPECIFICATION: CLOCK, AIRCRAFT, ELECTRONIC (09 MAR 2004)., This specification contains the technical and performance requirements for an electronic clock. The electronic clock is intended for use in military aircraft, which may be at a fixed military base, deployed to austere forward operating locations, or naval vessels afloat. This specification provides for first article testing described herein.
