DIN 58759-2006 光学加工.平光镜块规夹持器的托盘
作者:标准资料网 时间:2024-05-29 04:11:25 浏览:9648
来源:标准资料网
【英文标准名称】:Productioninopticalengineering-Trayforflatlensblockholders
【原文标准名称】:光学加工.平光镜块规夹持器的托盘
【标准号】:DIN58759-2006
【标准状态】:现行
【国别】:德国
【发布日期】:2006-10
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:设计;尺寸;精整;夹持装置;钻模;透镜支承座;材料;光学仪器;光学;光学洗印机;加工设备;光学加工;接受设备;浅;表面平坦;公差(测量);工件夹持装置;工件托架;工件纳入
【英文主题词】:
【摘要】:Thisstandardappliesfortraysforflatlensblockholderswhichareusedinproductioninopticalengineering.Itdefinesdimensions,tolerancesandsurfacequality.#,,#
【中国标准分类号】:N35
【国际标准分类号】:37_020
【页数】:6P.;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforVolatileMatterintheAnalysisSampleofCoalandCoke
【原文标准名称】:煤和焦炭分析样品中挥发性物质的标准试验方法
【标准号】:ASTMD3175-2007
【标准状态】:现行
【国别】:美国
【发布日期】:2007
【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】:分析;煤;焦炭;含量测定;燃料;抽样方法;固体燃料;试样;测试;挥发物测定
【英文主题词】:Analysis;Coal;Coke;Determinationofcontent;Fuels;Samplingmethods;Solidfuels;Testspecimens;Testing;Volatilematterdetermination
【摘要】:
【中国标准分类号】:D20
【国际标准分类号】:75_160_10
【页数】:5P;A4
【正文语种】:英语
【英文标准名称】:StandardPracticeforSamplePreparationofPetroleumandLubricantProductsforElementalAnalysis
【原文标准名称】:石油产品和润滑剂的元素分析用样品制备的标准实施规程
【标准号】:ASTMD7455-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D02.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:aciddecomposition;ash;bombcombustion;ED-XRF;ICP-AES;lubricants;petroleumproducts;SASH;samplepreparation;WD-XRF
【摘要】:Crudeoil,petroleum,petroleumproducts,additives,andlubricantsareroutinelyanalyzedfortheirelementalcontentsuchaschlorine,nitrogen,phosphorus,sulfur,andvariousmetalsusingavarietyofanalyticaltechniques.Someofthesetestmethodsrequirelittletonosamplepreparation;someothersrequireonlysimpledilutions;whileothersrequireelaboratesampledecompositionbeforetheproductisanalyzedforitselementalcontent.Fairlyoftenitcanbeshownthattheroundrobinresultsbyaco-operatorareallbiasedwithrespecttothosefromotherlaboratories.Presumably,thefailuretofollowgoodlaboratorypracticesandinstructionsinthetestmethodscanbeacausalfactorofsucherrors.Afurtherconsequenceisanunnecessarilylargereproducibilityestimateorthedatabeingdroppedfromthestudyasanoutlier.Uniformpracticeforsamplepreparationisbeneficialinstandardizingtheproceduresandobtainingconsistentresultsacrossthelaboratories.1.1Thispracticecoversdifferentmeansbywhichpetroleumproductandlubricantsamplesmaybepreparedbeforethemeasurementoftheirelementalcontentusingdifferentanalyticaltechniques.1.2Thispracticeincludesonlythebasicstepsforgenerallyencounteredsampletypes.Anythingoutoftheordinarymayrequirespecialprocedures.Seeindividualtestmethodsforinstructionstohandlesuchsituations.1.3Thispracticeisnotasubstituteforathoroughunderstandingoftheactualtestmethodtobeused,caveatsthetestmethodcontains,andadditionalsamplepreparationthatmayberequired.1.4Theusershouldnotexpandthescopeofthetestmethodstomaterialsorconcentrationsoutsidethescopeofthetestmethodsbeingusedwithoutthoroughlyunderstandingtheimplicationsofsuchdeviations.1.5Thispracticemayalsobeapplicabletosamplepreparationofnon-petroleumbasedbio-fuelsforelementalanalysis.Currently,workisongoinginASTMSubcommitteeD02.03;asinformationbecomesavailable,itwillbeaddedtothisstandard.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_100
【页数】:8P.;A4
【正文语种】:英语
