ASME SEC II A SA-649/SA-649M-2001 波纹板机械用锻钢辊的规范.ASTMA649/A649M-99
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【英文标准名称】:SpecificationforForgedSteelRollsUsedforCorrugatingPaperMachineryASTMA649/A649M-99
【原文标准名称】:波纹板机械用锻钢辊的规范.ASTMA649/A649M-99
【标准号】:ASMESECIIASA-649/SA-649M-2001
【标准状态】:现行
【国别】:美国
【发布日期】:2001-07-01
【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】:BoilerandPressureVessel,SpecificationforForgedSteelRollsUsedforCorrugatingPaperMachineryASTMA649/A649M-99
【中国标准分类号】:J32
【国际标准分类号】:
【页数】:
【正文语种】:英语
【英文标准名称】:StandardSpecificationforCastPoly(MethylMethacrylate)PlasticRods,Tubes,andShapes
【原文标准名称】:注塑聚甲基丙烯酸甲酯塑料棒、管和型材规范
【标准号】:ASTMD5436-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【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】:D20.15
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:acrylic;acrylicplastic;castacrylic;clearweatherableplastics;plastic;plasticmaterials;plasticrods;plasticshapes;plastictubes;PMMA;poly(methylmethacrylate);rods;shapes;transparent;tubes;Acrylicplastics--specifications;Castacrylic;
【摘要】:1.1Thisspecificationcoverspoly(methylmethacrylate)rods,tubes,andothershapesproducedbycastingormachiningcastblanks.Thisspecificationdoesnotapplytoheat-formedandmoldedorextrudedpartsandshapes,orsectionsthataremadebyassemblingorjoiningtwoormorepieces.Note18212;Thepropertiesincludedinthisspecificationarethoserequiredtoidentifythetypesandgradesofmaterialscovered.Theremaybeotherrequirementsnecessarytoidentifyparticularcharacteristics.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;ThereisnoknownISOequivalenttothisstandard.
【中国标准分类号】:G33
【国际标准分类号】:83_140_99
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforMedandKempFibersinWoolandOtherAnimalFibersbyMicroprojection
【原文标准名称】:用显微投影法测定羊毛和其它动物纤维中的有髓纤维和死毛纤维的标准试验方法
【标准号】:ASTMD2968-1995(2008)
【标准状态】:现行
【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(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(exceptwool);microscopicalexamination;wool;Animalfibers;Kempfibercontent;Med(medullated)fibercontent;Microprojection;Woolandwooltop
【摘要】:TestMethodD2968forthedeterminationofmedandkempfibersbymicroprojectionmaybeusedfortheacceptancetestingofcommercialshipmentsofwoolandotheranimalfibers,butcautionisadvisedsinceonlyafewtypesofanimalfibershavebeensubjectedtointerlaboratoryteststoascertaintheprecisionoftestsformedandkempfibersbythistestmethod.Comparativetestsasdirectedin5.1.1maybeadvisable.IncaseofadisputearisingfromdifferencesinreportedtestresultswhenusingTestMethodD2968foracceptancetestingofcommercialshipments,thepurchaserandthesuppliershouldconductcomparativeteststodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimum,thetwopartiesshouldtakeagroupoftestspecimenswhichareashomogeneousaspossibleandwhicharefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedinequalnumberstoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiesbeforetestingisbegun.Ifabiasisfound,eitheritscausemustbefoundandcorrected,orthepurchaserandthesuppliermustagreetointerpretfuturetestresultsinviewoftheknownbias.Knowledgeoftheincidenceofmedfibersandkempfibersinwoolandotheranimalfibersisofimportancetomanufacturersofwovenorknittedfabricsbecauseoftheapparentdyeresistanceandlightreflectancequalitiesofthesefibers.Thisisnottoimplythatallkempfiberswillresistdyeandallmedfiberswillacceptdyenormally.Inpractice,aproportionofkempfiberswillappearnormalafterdyeingandaproportionofmedfiberswillappearchalkywhiteafterdyeing.Fromtheperspectiveofvisualandaestheticproblems,medullatedfibershavinganabnormallylargediameterandahighdegreeofmedullationareprobablytheworstkind.Note8212;Thecontrastbetweenthesolidandthehollowportionsofthemedullatedfibersissignificantlyreducedwhenthemedullabecomesfilledwithmountingmedium.FIG.1TypesofMedullainWoolandMohairFibers1.1Thistestmethodcoversthedeterminationbymicroprojectionofthepercentageofmedullatedfibers(medandkempfibers)inwoolorotheranimalfiberssuchasmohair,cashmere,alpaca,orcamel''shairintheirvariousforms.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:3P.;A4
【正文语种】:英语
