您的位置: 标准下载 » 国际标准 » BS 英国标准 »
热门标准
下载排行

BS A 346-2000 UNJ螺纹.一般要求和极限尺寸

作者:标准资料网 时间:2024-04-27 23:05:55  浏览:8639   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:UNJthreads-Generalrequirementsandlimitdimensions
【原文标准名称】:UNJ螺纹.一般要求和极限尺寸
【标准号】:BSA346-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-01-15
【实施或试行日期】:2000-01-15
【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】:飞行器部件;半径;外螺纹;内螺纹;数学计算;尺寸公差;螺纹;螺纹紧固件;紧固件;英制;UNJ螺纹;尺寸;名称与符号;直径;螺距;螺纹形状
【英文主题词】:
【摘要】:ThisInternationalStandardspecifiesthegeneralrequirementsandlimitdimensionsofinchseriesUNJthreadswithcontrolledrootradiusforaerospaceconstruction.Itdeterminesthebasictriangularprofileforthistypeofthreadandgivesasystemfordesignatingthediameterandnumberofthreadsperinchcombinations.Foralldiameters0,060in(1,524mm)to6,000in(152,4mm),itoffersintheformoftablesthebasicdimensionsandtolerancesforaselectionofdiameterandnumberofthreadsperinchcombinations.Italsoprovidesthemethodofcalculationforthedimensionsandtolerancesforanydiameterandnumberofthreadsperinchcombinationnotgiveninthetables,includingthreadswithadiameterinexcessof6,000in.
【中国标准分类号】:J05
【国际标准分类号】:49_030_10
【页数】:48P;A4
【正文语种】:英语


下载地址: 点击此处下载
返回跳至顶部
【英文标准名称】:Protectiveclothing-Electrostaticproperties-Part2:Testmethodformeasurementoftheelectricalresistancethroughamaterial(verticalresistance);GermanversionEN1149-2:1997
【原文标准名称】:防护服.静电特性.第2部分:测量材料电阻的试验方法(回路电阻)
【标准号】:EN1149-2-1997
【标准状态】:现行
【国别】:
【发布日期】:1997-11
【实施或试行日期】:1997-11-01
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:职业安全;材料;防护服装;工作场所安全;测量技术;静电的;防护设备;规范(验收);点火防护装置;特性;作标记;测量;定义;数学计算;电阻器;电阻率;安全工程;试验;电气设备
【英文主题词】:Definition;Definitions;Electricalequipment;Electrostatic;Electrostatics;Ignitionprotection;Marking;Materials;Mathematicalcalculations;Measurement;Measuringtechniques;Occupationalsafety;Properties;Protectiveclothing;Protectiveequipment;Resistivity;Resistors;Safetyengineering;Specification(approval);Testing;Workplacesafety
【摘要】:
【中国标准分类号】:C73
【国际标准分类号】:13_340_10
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforPlanningandPreparingforaGroundwaterSamplingEvent
【原文标准名称】:地下水取样结果的制备和规划标准指南
【标准号】:ASTMD5903-1996(2006)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D18.21
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:ground-watersampling;laboratorycoordination;monitoringwell;samplingandanalysisplan
【摘要】:Thesuccessofasamplingeventisinfluencedbyadequateplanningandpreparation.Useofthisguidewillhelptheground-watersamplertomethodicallyexecutetheplanningandpreparation.Thisguideshouldbeusedbyaprofessionalortechnicianthathastrainingorexperienceinground-watersampling.1.1Thisguidecoversplanningandpreparingforaground-watersamplingevent.Itincludestechnicalandadministrativeconsiderationsandprocedures.ExamplechecklistsarealsoprovidedasAppendices.1.2Thisguidemaynotcovereveryconsiderationprocedure,orboth,thatisnecessarybeforeallground-watersamplingprojects.Inkarstorfracturedrockterranes,itmaybeappropriatetocollectgroundwatersamplesfromsprings(seeGuideD5717).Thisguidefocusesonsamplingofgroundwaterfrommonitoringwells;however,mostoftheguidancehereincanapplytothesamplingofspringsaswell.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.1.3Thisguideoffersanorganizedcollectionofinformationoraseriesofoptionsanddoesnotrecommendaspecificcourseofaction.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgment.Notallaspectsofthisguidemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject''smanyuniqueaspects.Theword"Standard"inthetitleofthisdocumentmeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.
【中国标准分类号】:Z12
【国际标准分类号】:
【页数】:4P.;A4
【正文语种】:英语