JIS K1051-1963 食盐的取样及分析方法
时间:2024-05-13 12:09:13 来源: 标准资料网 作者：标准资料网 阅读：9276
【英文标准名称】:Methodsofsamplingandanalysisforcommonsalt
【原文标准名称】:食盐的取样及分析方法
【标准号】:JISK1051-1963
【标准状态】:作废
【国别】:日本
【发布日期】:1963-09-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonChemicalAnalysis
【标准类型】:()
【标准水平】:()
【中文主题词】:氯化钠;抽样方法;岩盐
【英文主题词】:samplingmethods;
【摘要】:
【中国标准分类号】:X38
【国际标准分类号】:71_040_40
【页数】:35P;A4
【正文语种】:日语
【英文标准名称】:StandardTestMethodforThicknessofThinFoilandFilmbyMassMeasuerment
【原文标准名称】:用质量测量法测定薄箔和薄膜厚度的标准试验方法
【标准号】:ASTME252-2004
【标准状态】:作废
【国别】:美国
【发布日期】:2004
【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】:薄膜;金属;称重;厚度;机械试验;箔;塑料
【英文主题词】:mechanicaltesting;testing;metals;thickness;thinfilms;foil;weighing;plastics
【摘要】:
【中国标准分类号】:A52
【国际标准分类号】:17_040_20
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:Plastics-Verificationofpendulumimpact-testingmachines-Charpy,Izodandtensileimpact-testing
【原文标准名称】:塑料.摆锤冲击试验机的鉴定.Charpy,Izod和拉伸冲击试验
【标准号】:BSISO13802-1999
【标准状态】:现行
【国别】:英国
【发布日期】:1999-12-15
【实施或试行日期】:1999-12-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesmethodsfortheverificationofpendulumimpact-testingmachinesusedfortheCharpyimpacttest,IzodimpacttestandtensileimpacttestdescribedinISO179-1,ISO180andISO8256,respectively.ThetestmachinescoveredbythisInternationalStandardareofthependulumtype.TheimpactenergyW(see3.12)absorbedinimpactingatestspecimenistakenasbeingequaltothedifferencebetweenthepotentialenergyE(see3.11)ofthependulumandtheenergyremaininginthependulumafterimpactingthespecimen.Theimpactenergyiscorrectedforfrictionandair-resistancelosses(seeTable2and5.6).Methodsaredescribedforverificationofthegeometricalandphysicalpropertiesofthedifferentpartsofthetestmachine.Theverificationofsomegeometricalpropertiesisdifficulttoperformontheassembledinstrument.ItisthereforeassumedthatthemanufacturerisresponsiblefortheverificationofsuchpropertiesandforprovidingreferenceplanesontheinstrumentthatenableproperverificationinaccordancewiththisInternationalStandard.Thesemethodsareforusewhenthemachineisbeinginstalled,isbeingrepaired,hasbeenmovedorisundergoingperiodicchecking.ThisInternationalStandardisapplicabletopendulum-typeimpact-testingmachines,ofdifferentcapacitiesand/ordesigns,withthegeometricalandphysicalpropertiesdefinedinclause5.Apendulumimpact-testingmachineverifiedinaccordancewiththisInternationalStandard,andassessedassatisfactory,isconsideredsuitableforimpacttestingwithunnotchedandnotchedtestspecimensofdifferenttypes.AnnexAdescribestherelationshipsbetweenthevariouscharacteristicpendulumlengths,thepotentialenergyandthemomentofinertiaofthependulum.AnnexBexplainshowtocalculatetheratioofframemasstopendulummassrequiredtoavoiderrorsintheimpactenergy.AnnexCdescribes,forCharpyimpacttesting,thechangesinpendulumvelocityjustafterimpactasafunctionofimpactenergyandgivestherangesofimpactenergiesforthemeasurementofwhichpendulumsofspecifiedcapacityhavetobeused.AnnexDdiscussesthestiffnessofthebaseoftheframenecessarytoavoidresonantoscillationsintheframeduetoreactionforcescausedbythemovingpendulum.AnnexEgivesthedimensionsofagaugeplatesuitablefortheverificationofCharpyimpact-testingmachines.
【中国标准分类号】:G31
【国际标准分类号】:83_200
【页数】:44P;A4
【正文语种】:英语