HB 3889-1986 普通螺纹塞规 M6×0.5~M48×2
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来源:标准资料网
基本信息
标准名称: | 普通螺纹塞规 M6×0.5~M48×2 |
中标分类: |
机械 >>
工艺装备 >>
量具与量仪 |
发布日期: | 1986-12-30 |
实施日期: | 1987-10-01 |
首发日期: | 1900-01-01 |
作废日期: | 1900-01-01 |
出版日期: | 1900-01-01 |
页数: | 170页 |
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所属分类: 机械 工艺装备 量具与量仪
【英文标准名称】:Methodsoftestforphosphoricacid(orthophosphoricacid)forindustrialuse-Determinationoftotalphosphorus(V)oxidecontent:quinolinephosphomolybdategravimetricmethod
【原文标准名称】:工业用磷酸(正磷酸)试验方法.第7部分:全氧化磷(V)含量测定:磷钼酸喹啉重量法
【标准号】:BS4258-7-1978
【标准状态】:现行
【国别】:英国
【发布日期】:1978-01-31
【实施或试行日期】:1978-01-31
【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】:定量分析;沉淀法;喹啉;磷钼酸盐;磷酸;工业的;干重测定;五氧化二磷;含量测定;重量分析;化学分析和试验
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Foodadditives;Foodindustry;Gravimetricanalysis;Industries;Phosphomolybdates;Phosphoricacid;Quinoline
【摘要】:ThisBritishStandardspecifiesagravimetricmethodusingquinolinephosphomolybdateforthedeterminationofthetotalphosphorus(V)oxidecontentofphosphoricacidforindustrialuse(includingfoodstuffs).
【中国标准分类号】:G11
【国际标准分类号】:71_060_30
【页数】:8P;A4
【正文语种】:英语
【英文标准名称】:Glassinbuilding.Determinationofthermaltransmittance(Uvalue).Guardedhotplatemethod
【原文标准名称】:建筑玻璃.热传递系数(U值)的测定.保护热板法
【标准号】:BSEN674-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-07-31
【实施或试行日期】:2011-07-31
【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】:
【英文主题词】:Construction;Definitions;Determination;Glass;Glassforbuildingpurposes;Glazing;Heattransmission;Measurement;Measuringtechniques;Multipleglazing;Plateapparatus;Testequipment;Thermalinsulation;Thermalprotection;Thermalresistance;Thermaltransmissioncoefficient;Thermaltransmittance;U-values;Windowglass;Windows
【摘要】:ThisEuropeanStandardspecifiesameasurementmethodtodeterminethethermaltransmittanceofglazingwithflatandparallelsurfaces.Structuredsurfaces,e.g.patternedglass,canbeconsideredtobeflat.ThisEuropeanStandardappliestomultipleglazingwithouterpaneswhicharenottransparenttofarinfraredradiation,whichisthecaseforsodalimesilicateglassproducts,borosilicateglassandglassceramics.Internalelementsmaybefarinfraredtransparent.TheprocedurespecifiedinthisEuropeanStandarddeterminestheUvalue1)(thermaltransmittance)inthecentralareaofglazing.Theedgeeffects,duetothethermalbridgethroughthespacerofaninsulatingglassunitorthroughthewindowframearenotincluded.Furthermoreenergytransferduetosolarradiationisnottakenintoaccount.TheprocedurespecifiedinthisEuropeanStandardshouldgenerallyonlybeconsideredwhenthecalculationmethoddetailedinEN673isinappropriateorunsuitable.ThedocumentforthecalculationoftheoverallUvalueofwindows,doorsandshutters(see[3])givesnormativereferencetotheUvalueevaluatedfortheglazingcomponentsaccordingtothisstandard.Averticalpositionoftheglazingisspecified.Uvaluesevaluatedaccordingtothepresentstandardareusedforproductcomparisonaswellasforotherpurposes,inparticularforpredicting:?heatlossthroughglazing;?conductionheatgainsinsummer;?condensationonglazingsurfaces;?theeffectsoftheabsorbedsolarradiationindeterminingthesolarfactor(see[1]).Referenceshouldbemadeto[4],[5],orotherEuropeanStandardsdealingwithheatlosscalculationsfortheapplicationofglazingUvaluesdeterminedbythisstandard.Thedeterminationofthethermaltransmittanceisperformedforconditionswhichcorrespondtotheaveragesituationforglazinginpractice.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:16P.;A4
【正文语种】:英语