ASME PVHO MARCH-1994 公司持有的PVHO授权证书
时间:2024-05-17 11:51:53 来源: 标准资料网 作者：标准资料网 阅读：9633
【英文标准名称】:CompaniesHoldingPVHOCertificatesofAuthorization
【原文标准名称】:公司持有的PVHO授权证书
【标准号】:ASMEPVHOMARCH-1994
【标准状态】:现行
【国别】:美国
【发布日期】:
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisStandardprovidesrequirementsforthedesign,fabrication,inspection,testing,marking,andstampingofpressurevesselsforhumanoccupancy,havinganinternalorexternalpressuredifferentialexceeding2psi.
【中国标准分类号】:J00
【国际标准分类号】:11_040_60
【页数】:
【正文语种】:英语
【英文标准名称】:LaminatorQualificationProfile(LQP)
【原文标准名称】:层合机评定大纲
【标准号】:ANSI/IPC1730A-2000
【标准状态】:现行
【国别】:美国
【发布日期】:
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:IPC
【标准类型】:()
【标准水平】:()
【中文主题词】:集成电路;电子工程
【英文主题词】:integratedcircuits;electronicengineering
【摘要】:ProvidestheLaminatorQualificationProfile(LQP),whichisnotintendedtosatisfyallofthecustomer'srequirements.However,conscientiousmaintenanceofthisdocumentand/orregistrationtoISO9000requirementsshouldsatisfythemajorconcerns.Thus,auditsshouldbesimpler,requiredlessfrequently,andfacilitatelesspaperwork,asvendorsandsuppliersworkclosertomeetingeachother'sneeds.OrderFrom:ansirequests@ipc.org
【中国标准分类号】:K70
【国际标准分类号】:03_120_10
【页数】:
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCountingPartialCleavagesinWoolandOtherAnimalFibers
【原文标准名称】:计算羊毛和其他动物纤维部分分裂的标准试验方法
【标准号】:ASTMD4510-2005(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2005
【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】:D13.13
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:animalfibers;damage;partialcleavages;wool;Animalfibers;Cleavages;Damageassessment;Defects--textiles;Microprojection;Partialcleavages;Woolandwooltop
【摘要】:TestMethodD4510forthecountingofpartialcleavages,maybeusedfortheacceptancetestingofcommercialshipmentsofwoolandotheranimalfibers,butcautionisadvised,sinceinformationonbetween-laboratoryprecisionislimited.Comparativetestsasdirectedin5.1.1maybeadvisable.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudentst-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforethetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinthelightoftheknownbias.Chemicallydamagedortenderedfibersarerecognizablemicroscopicallybyqualifiedoperatorsandshouldnotbecountedaspartialcleavages.Suchfibersexhibittotallossofcuticle,severesurfaceerosion,tenderizingcracks,longitudinalfibrillation,oracombinationofthesefeatures(seeFigs.1and2).Inastudyofdeliberatelyover-carbonizedwoolatonelaboratory,itwasfoundthatwhenmorethan24tenderedfiberswereseenin1m,partialcleavagecountsweresignificantlyhigherthanonsimilarfibersthatwerenotovercarbonized.FIG.1(A)PartialCleavagex2014;Butdonotcountifitisattheendofafiber.ThesplitmayhavebeencausedbyothermeansFIG.1(Bx2013;D)SplitFiber(continued)FIG.2FiberWithTransverseCracks1.1Thistestmethodcoversaprocedure,usingthemicroprojector,forthecountingofpartialcleavagesinwoolandotheranimalfibers.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyproblems,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:7P.;A4
【正文语种】:英语