FZ/T 91015-1995 组合冲模参考图册 组合冲模合件

作者:标准资料网 时间:2024-05-13 22:18:34   浏览:8670   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:组合冲模参考图册 组合冲模合件
中标分类: 纺织 >> 纺织机械与器具 >> 纺织机械零部件
ICS分类: 纺织和皮革技术 >> 纺织机械
替代情况:企业可根据相关国家标准和机械行业标准制定企业标准。
发布日期:1900-01-01
实施日期:2004-01-10
首发日期:1900-01-01
作废日期:2008-01-23
出版日期:1900-01-01
页数:14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: 纺织 纺织机械与器具 纺织机械零部件 纺织和皮革技术 纺织机械
下载地址: 点击此处下载
【英文标准名称】:TestMethodforSulfurinPetroleumandPetroleumProductsbyEnergy-DispersiveX-rayFluorescenceSpectrometry
【原文标准名称】:用能量色散X射线荧光光谱法对石油和石油产品中硫的试验方法
【标准号】:ANSI/ASTMD4294-2007
【标准状态】:作废
【国别】:美国
【发布日期】:2007
【实施或试行日期】:2007-11-27
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;石油产品;测试
【英文主题词】:Determinationofcontent;Lubricants;Petroleumproducts;Spectrometry;Sulphur;Testing
【摘要】:Thistestmethodcoversthedeterminationoftotalsulfurinpetroleumandpetroleumproductsthataresingle-phaseandeitherliquidatambientconditions,liquefiablewithmoderateheat,orsolubleinhydrocarbonsolvents.Thesematerialscanincludedieselfuel,jetfuel,kerosene,otherdistillateoil,naphtha,residualoil,lubricatingbaseoil,hydraulicoil,crudeoil,unleadedgasoline,gasohol,biodiesel(seeNote2),andsimilarpetroleumproducts.Note1-OxygenatedfuelswithethanolormethanolcontentsexceedingthelimitsgiveninTable1canbedealtwithusingthistestmethod,buttheprecisionandbiasstatementsdonotapply(seeAppendixX2).Note2-Forsampleswithhighoxygencontents(3wt%)sampledilutionasdescribedin1.3ormatrixmatchingmustbeperformedtoassureaccurateresults.Interlaboratorystudiesonprecisionrevealedthescopetobe17mg/kgto4.6mass%.Anestimateofthistestmethod'spooledlimitofquantitation(PLOQ)is17.0mg/kgascalculatedbytheproceduresinPracticeD6259.However,becauseinstrumentationcoveredbythistestmethodcanvaryinsensitivity,theapplicabilityofthetestmethodatsulfurconcentrationsbelowapproximately20mg/kgmustbedeterminedonanindividualbasis.Anestimateofthelimitofdetectionisthreetimesthereproducibilitystandarddeviation,andanestimateofthelimitofquantitationistentimesthereproducibilitystandarddeviation.Samplescontainingmorethan4.6mass%sulfurcanbedilutedtobringthesulfurconcentrationofthedilutedmaterialwithinthescopeofthistestmethod.SamplesthataredilutedcanhavehighererrorsthanindicatedinSection16thannon-dilutedsamples.Volatilesamples(suchashighvaporpressuregasolinesorlighthydrocarbons)maynotmeetthestatedprecisionbecauseofselectivelossoflightmaterialsduringtheanalysis.Afundamentalassumptioninthistestmethodisthatthestandardandsamplematricesarewellmatched,orthatthematrixdifferencesareaccountedfor(see5.2).MatrixmismatchcanbecausedbyC/Hratiodifferencesbetweensamplesandstandards(seeSection5)orbythepresenceofotherheteroatoms.ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.TABLE1ConcentrationsofInterferingSpeciesTheconcentrationsofsubstancesinthistableweredeterminedbythecalculationofthesumofthemassabsorptioncoefficientstimesmassfractionofeachelementpresent.Thiscalculationwasmadefordilutionsofrepresentativesamplescontainingapproximately3%ofinterferingsubstancesand0.5%sulfur.
【中国标准分类号】:E30
【国际标准分类号】:75_080
【页数】:
【正文语种】:英语


【英文标准名称】:StandardTerminologyforNondestructiveExaminations
【原文标准名称】:无损检验的标准术语
【标准号】:ASTME1316-2010b
【标准状态】:现行
【国别】:
【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】:E07.92
【标准类型】:(Terminology)
【标准水平】:()
【中文主题词】:
【英文主题词】:Permeability;Pressuretesting;Probemethods;Radiographicexamination;Differentialdata;Discontinuities;Eddycurrentexamination;Electromagnetic(eddycurrent)testing;Ferromagneticmaterial/testing;Fluorescence;Gamma/X-radiography;Harmonicdist
【摘要】:Thetermsfoundinthisstandardareintendedtobeuseduniformlyandconsistentlyinallnondestructivetestingstandards.ThepurposeofthisstandardistopromoteaclearunderstandingandinterpretationoftheNDTstandardsinwhichtheyareused
【中国标准分类号】:H26
【国际标准分类号】:01_040_19;19_100
【页数】:33P.;A4
【正文语种】: