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ASTM D4640-1986(2009) 热固性酚醛树脂冲击固化时间的测定的标准试验方法

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【英文标准名称】:StandardTestMethodforDeterminingStrokeCureTimeofThermosettingPhenol-FormaldehydeResins
【原文标准名称】:热固性酚醛树脂冲击固化时间的测定的标准试验方法
【标准号】:ASTMD4640-1986(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1986
【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】:D01.33
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:phenol-formaldehyderesins;strokecuretime;Curingcharacteristics--paints/relatedcoatingapplications;Heatingtests--paints/relatedcoatings/materials;Phenolicresins;Strokecuretime;Thermosettingresins;NumberCode83.080.10(Thermosettingm
【摘要】:Thismethodissignificantasaprocesscontrolforpolymerizationtime.Whenthecuretimesaredeterminedatseveraltemperaturesandplottedastimeversustemperature,differentresinscanbecomparedforcuringcharacteristics.1.1Thistestmethodcoversthedeterminationofthecurerateatanyspecifiedtemperatureforathermosettingphenol-formaldehyderesin.Thetimeatthattemperaturerequiredtomakeafluidmixturechangeintoahardimmovablemassindicatesspeedofcure.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G32
【国际标准分类号】:83_080_10
【页数】:2P.;A4
【正文语种】:英语


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【英文标准名称】:Safetylevelswithrespecttohumanexposuretoelectromagneticfields,0-3kHz
【原文标准名称】:关于人类暴露于0～3kHz电磁场的安全等级
【标准号】:IEEEC95.6-2002
【标准状态】:现行
【国别】:美国
【发布日期】:2002-01-01
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:定义;电气工程;电磁场;人类工效学;高频测量;辐射防护;射频;安全措施
【英文主题词】:Definition;Definitions;Electricalengineering;Electromagneticfields;Ergonomics;High-frequencymeasurement;Radiationprotection;Radiofrequencies;Safetymeasures
【摘要】:In1960,theAmericanStandardsAssociationapprovedtheinitiationoftheRadiationHazardsStandardsprojectundertheco-sponsorshipoftheDepartmentoftheNavyandtheInstituteofElectricalandElectronicsEngineers.Priorto1988,C95standardsweredevelopedbyaccreditedstandardscommitteeC95andsubmittedtotheAmericanNationalStandardsInstitute(ANSI)forapprovalandissuanceasANSIC95standards.Between1988and1990,thecommitteewasconvertedtoStandardsCoordinatingCommittee28undersponsorshipoftheIEEEStandardsBoard,andin2001,becamealsoknownastheInternationalCommitteeonElectromagneticSafety(ICES).InaccordancewithpoliciesoftheIEEE,C95standardswillbeissuedanddevelopedasIEEEstandards,aswellasbeingsubmittedtoANSIforrecognition.ThepresentscopeofICESis:Developmentofstandardsforthesafeuseofelectromagneticenergyintherangeof0Hz?00GHzrelativetothepotentialhazardsduetoexposureofsuchenergytoman,volatilematerials,andexplosivedevices.ThecommitteewillcoordinatewithothercommitteeswhosescopesarecontiguouswithICES.?/p>ICESisresponsibleforthisstandard.Therearefivesubcommitteesconcernedwith:Techniques,Procedures,Instrumentation,andComputation,IITerminology,UnitsofMeasurements,andHazardCommunication,IIISafetyLevelswithRespecttoHumanExposure,0?kHz,IVSafetyLevelswithRespecttoHumanExposure,3kHz?00GHz,VSafetyLevelswithRespecttoElectro-ExplosiveDevices,Twostandards,twoguides,andthreerecommendedpracticeshavebeenissued.Currentversionsare:IEEEStdC95.1?1999Edition,IEEEStandardforSafetyLevelswithRespecttoHumanExposuretoRadioFrequencyElectromagneticFields,3kHz?00GHz(ReplacesIEEEStdC95.1-1991).IEEEStdC95.2?1999,IEEEStandardforRadioFrequencyEnergyandCurrentFlowSymbols(ReplacesANSIC95.2).IEEEStdC95.3?1991(Reaff1997),IEEERecommendedPracticefortheMeasurementofPotentiallyHazardousElectromagneticFields?RFandMicrowave(ReplacesANSIC95.3-1973andANSIC95.1-1981).ANSIC95.5-1981,AmericanNationalStandardRecommendedPracticefortheMeasurementofHazardousElectromagneticFieldsRFandMicrowave.IEEEStd1460?1996,IEEEGuidefortheMeasurementofQuasi-StaticMagneticandElectricFields.ANSIC95.4-1978,AmericanNationalStandardSafetyGuideforthePreventionofRadio-FrequencyRadiationHazardsintheUseofElectricBlastingCaps.ThisstandardwasdevelopedbyanICESSubcommittee3(SC3)formedin1991toaddressthefrequencyrangefrom0?kHz(SC3).Intheearlyyears,thesubcommitteediscussedthesciencerelatingtobothlong-termandshort-termexposuresandconcludedthattheeffectsoflong-term(chronic)exposurewerenotconvincinglyestablishedaswereeffectsofshort-termexposures.Thisstandarddefinesexposurelevelstoprotectagainstadverseeffectsinhumansfromexposuretoelectricandmagneticfieldsatfrequenciesfrom0?kHz.Thisstandardwasdevelopedwithrespecttoestablishedmechanismsofbiologicaleffectsinhumansfromelectricandmagneticfieldexposures.Itdoesnotapplytoexposuresencounteredduringmedicalprocedures.Thedefinedexposurelimitsdonotnecessarilyprotectagainstinterferenceofmedicaldevicesorproblemsinvolvingmetallicimplants(see6.12).
【中国标准分类号】:L06
【国际标准分类号】:13_280
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Steel,SheetandStrip,Carbon,Hot-Rolled,StructuralQuality
【原文标准名称】:结构级热轧碳素钢薄板和带材
【标准号】:ASTMA570/A570M-1995
【标准状态】:作废
【国别】:美国
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:检验;质量保证;建筑;薄板材;结构钢;带钢;碳素钢;钢;质量要求
【英文主题词】:inspection;carbonsteels;steels;construction;qualityrequirements;structuralsteels;qualityassurance;stripsteels;sheetmaterials
【摘要】:
【中国标准分类号】:H46
【国际标准分类号】:77_140_10;77_140_50
【页数】:
【正文语种】:英语