EN 12982-2009 工业阀门.铰链焊接端阀门端对端和中心对末端尺寸,德文版本EN12982:2009
作者:标准资料网 时间:2024-05-10 16:34:11 浏览:8269
来源:标准资料网
【英文标准名称】:Industrialvalves-End-to-endandcentre-to-enddimensionsforbuttweldingendvalves;EnglishversionofDINEN12982:2009
【原文标准名称】:工业阀门.铰链焊接端阀门端对端和中心对末端尺寸,德文版本EN12982:2009
【标准号】:EN12982-2009
【标准状态】:现行
【国别】:
【发布日期】:2009-11
【实施或试行日期】:
【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】:
【英文主题词】:Anti-siphonagesystems;Ballvalves;Basicseries;Butterflyvalves;Checkvalves;Conicalcocks;Controlvalves;Definitions;Designations;Dimensions;Flanges;Industrialfittings;Industries;Limitdeviations;Materials;Nominalwidths;Overalllengths;Pipefittings;Pipelines;Slidevalves;Steels;Tolerances(measurement);Valves;Valvesandfittingsforpipelines;Weldingends
【摘要】:
【中国标准分类号】:J16
【国际标准分类号】:23_060_01
【页数】:23P.;A4
【正文语种】:英语
【英文标准名称】:Metricsphericalplainbearings.Specificationfordimensionsofsphericalplainradialbearings,jointtype,dimensionseriesEW,bearingswithextendedinnerring
【原文标准名称】:米制球形滑动轴承.第3部分:带延长内圈的、EW尺寸系列、关节型球形滑动径向轴承的尺寸规范
【标准号】:BS5983Pt.3-1982
【标准状态】:作废
【国别】:英国
【发布日期】:1982-10-29
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:自位轴承;直径;尺寸;滑动轴承;球形;倒棱的;径向轴承;轴承;外部;内部
【英文主题词】:bearings;diameter;dimensions;chamfered;radialbearings;self-aligningbearings;internal;external;plainbearings;sphericalshape
【摘要】:
【中国标准分类号】:J12
【国际标准分类号】:21_100_10
【页数】:4P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforCarbonBlack-TotalandExternalSurfaceAreabyNitrogenAdsorption
【原文标准名称】:氮吸附法炭黑的总表面积和外表面积的标准试验方法
【标准号】:ASTMD6556-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:D24.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Brunauer/Emmett/Teller;carbonblack,B.E.T.;nitrogenadsorption;nitrogensurfacearea;statisticalthicknesssurfacearea;surfaceareabymultipointB.E.T.method,externalsurfacearea;BET(Brunauer,Emmett,andTeller)surfacearea;Carbonblack;
【摘要】:Thistestmethodisusedtomeasurethetotalandexternalsurfaceareaofcarbonblacksbasedonmultipointnitrogenadsorption.TheNSAmeasurementisbasedontheB.E.T.theoryanditincludesthetotalsurfacearea,inclusiveofmicropores,porediameterslessthan2nm(20?/span>).Theexternalsurfacearea,basedonthestatisticalthicknessmethod(STSA),isdefinedasthespecificsurfaceareathatisaccessibletorubber.CTABSurfaceArea(formerlyTestMethodD3765)hasbeenwithdrawn.TheCTABvaluemaybeestimatedfromtheSTSAvalueusingEq1.TheequationisbasedonalinearregressionoftheSTSAandCTABmeasuredvaluesoftheSRB5standards.1.1ThistestmethodcoversthedeterminationofthetotalsurfaceareabytheBrunauer,Emmett,andTeller(B.E.T.NSA)theoryofmultilayergasadsorptionbehaviorusingmultipointdeterminationsandtheexternalsurfaceareabasedonthestatisticalthicknesssurfaceareamethod.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.(Theminimumsafetyequipmentshouldincludeprotectivegloves,sturdyeyeandfaceprotection).
【中国标准分类号】:G49
【国际标准分类号】:71_060_10
【页数】:5P.;A4
【正文语种】:英语