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BS 4311-2007 符合英制规范的块规.规范、确认和附件

作者:标准资料网 时间:2024-05-26 09:55:47  浏览:9920   来源:标准资料网
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【英文标准名称】:Gaugeblocksmanufacturedtoimperialspecification-Specification,validationandaccessories
【原文标准名称】:符合英制规范的块规.规范、确认和附件
【标准号】:BS4311-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-09-28
【实施或试行日期】:2007-09-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:准确度;角度公差;块规;校正;尺寸测量;尺寸公差;尺寸;平整度(表面);硬度;线性测量仪器;维修;作标记;选择
【英文主题词】:Accuracy;Angulartolerances;Blockgauges;Calibration;Dimensionalmeasurement;Dimensionaltolerances;Dimensions;Flatness(surface);Hardness;Linearmeasuringinstruments;Maintenance;Marking;Selection
【摘要】:ThisBritishStandardspecifiesthemostimportantdesignandmetrologicalcharacteristicsofgaugeblockswitharectangularcross-sectionandanominallengthlnofnotmorethan4in.LimitdeviationsandtolerancesarestatedforthecalibrationgradeKandforthegrades0,1and2forvariousmeasuringpurposes.
【中国标准分类号】:J42
【国际标准分类号】:17_040_30
【页数】:18P.;A4
【正文语种】:英语


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【英文标准名称】:Informationtechnology-Biometricdatainterchangeformats-Framework
【原文标准名称】:信息技术.生物统计学数据交换格式.框架
【标准号】:BSISO/IEC19794-1-2006
【标准状态】:作废
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:确认;应用层;生物测定的;生物测定学;数据交换;数据格式;数据记录;数据存储;数据结构;定义;交换格式;识别;信息交换;信息技术;系统
【英文主题词】:Acknowledgements;Applicationlayer;Biometric;Biometrics;Dataexchange;Dataformats;Datarecording;Datastorage;Datastructures;Definition;Definitions;Exchangeformats;Identification;Informationinterchange;Informationtechnology;Systems
【摘要】:ThispartofISO/IEC19794specifies—generalaspectsfortheusageofbiometricdatastructures,—thetypesofbiometricdatastructure,—anamingconceptforbiometricdatastructures,—acodingschemeforformattypes.Biometricdataincludebutarenotlimitedtofingerminutiae,fingerpattern,fingerimage,faceimage,irisimageandsignature/signbehaviouraldata.
【中国标准分类号】:L72
【国际标准分类号】:35_040
【页数】:24P.;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodsforAnilinePointandMixedAnilinePointofPetroleumProductsandHydrocarbonSolvents
【原文标准名称】:石油产品和烃类溶剂的苯胺点和混合苯胺点用标准试验方法
【标准号】:ASTMD611-2007
【标准状态】:现行
【国别】:
【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(US-ASTM)
【起草单位】:D02.04.0D
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:苯胺点;芳族化合物;芳烃;化学性质;油性涂料;石油产品;溶剂;温度测量;测试
【英文主题词】:anilinepoint;aromatics;mixedanilinepoint
【摘要】:Theanilinepoint(ormixedanilinepoint)isusefulasanaidinthecharacterizationofpurehydrocarbonsandintheanalysisofhydrocarbonmixtures.Aromatichydrocarbonsexhibitthelowest,andparaffinsthehighestvalues.Cycloparaffinsandolefinsexhibitvaluesthatliebetweenthoseforparaffinsandaromatics.Inhomologousseriestheanilinepointsincreasewithincreasingmolecularweight.Althoughitoccasionallyisusedincombinationwithotherphysicalpropertiesincorrelativemethodsforhydrocarbonanalysis,theanilinepointismostoftenusedtoprovideanestimateofthearomatichydrocarboncontentofmixtures.1.1Thesetestmethodscoverthedeterminationoftheanilinepointofpetroleumproductsandhydrocarbonsolvents.TestMethodAissuitablefortransparentsampleswithaninitialboilingpointaboveroomtemperatureandwheretheanilinepointisbelowthebubblepointandabovethesolidificationpointoftheaniline-samplemixture.TestMethodB,athin-filmmethod,issuitableforsamplestoodarkfortestingbyTestMethodA.TestMethodsCandDareforsamplesthatmayvaporizeappreciablyattheanilinepoint.TestMethodDisparticularlysuitablewhereonlysmallquantitiesofsampleareavailable.TestMethodEdescribesaprocedureusinganautomaticapparatussuitablefortherangecoveredbyTestMethodsAandB.1.2Thesetestmethodsalsocoverthedeterminationofthemixedanilinepointofpetroleumproductsandhydrocarbonsolventshavinganilinepointsbelowthetemperatureatwhichanilinewillcrystallizefromtheaniline-samplemixture.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificwarningstatementsaregiveninSection7.
【中国标准分类号】:E30
【国际标准分类号】:71_080_01;87_060_30
【页数】:7P.;A4
【正文语种】:



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