IEC 60115-8-1-1989 电子设备用固定电阻器第8-1部分:空白详细规范:片式固定电阻器评定水平E
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【英文标准名称】:Fixedresistorsforuseinelectronicequipment;part8:blankdetailspecification:fixedchipresistors,assessmentlevelE
【原文标准名称】:电子设备用固定电阻器第8-1部分:空白详细规范:片式固定电阻器评定水平E
【标准号】:IEC60115-8-1-1989
【标准状态】:现行
【国别】:国际
【发布日期】:1989-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC40
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;元部件;电气工程;固定电阻器;空白格式;电子工程;规范(批准);额定值;电子设备及元件;详细规范;试验条件;质量评定;格式(纸);片式电阻器;片;检验;电阻器
【英文主题词】:Blankforms;Chipresistors;Chips;Components;Detailspecification;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Fixedresistors;Forms(paper);Inspection;Qualityassessment;Ratings;Resistors;Specification(approval);Testing;Testingconditions
【摘要】:Isasupplementarydocumenttothesectionalspecification.Containsrequirementsforstyleandlayoutandminimumcontentofdetailspecifications.Specifiesrequirementsfordimensions,ratings,characteristics,derating,marking,orderinginformation
【中国标准分类号】:L13
【国际标准分类号】:31_040_10
【页数】:21P.;A4
【正文语种】:英语
【英文标准名称】:Specificationforcarbonsteelcastings(500N/mm2)
【原文标准名称】:碳素钢铸件(500牛顿/平方毫米)规范
【标准号】:BSHC1-1973
【标准状态】:作废
【国别】:英国
【发布日期】:1973-03-09
【实施或试行日期】:1973-03-09
【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】:低碳钢;非合金钢;铸钢;航空运输工程;钢;铸件;化学成分;材料的机械性能
【英文主题词】:steels;airtransportengineering;chemicalcomposition;mechanicalpropertiesofmaterials;caststeels;castings;low-carbonsteels;unalloyedsteels
【摘要】:BritishStandard:AerospaceSeriesSpecificationforCarbonsteelcastings(500N/mm)1.Inspectionandtestingprocedure2.Chemicalcomposition3.Condition4.Heattreatment5.Mechanicalproperties
【中国标准分类号】:J31
【国际标准分类号】:49_025_10
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:StandardSpecificationforPoly(VinylChloride)(PVC)Pressure-RatedPipe(SDRSeries)
【原文标准名称】:聚氯乙烯(PVC)压力标定管的标准规范(SDR系列)
【标准号】:ASTMD2241-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:F17.25
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:
【英文主题词】:pressurepipe;pressurerated;PVC;SDR;Poly(vinylchloride)(PVC)pipe--specifications;Pressurepipelines/pipingsystems--specifications;Thermoplasticpipe/tube/fittings--specifications;Watersupply/distributionsystems--specifications
【摘要】:1.1Thisspecificationcoverspoly(vinylchloride)(PVC)pipemadeinstandardthermoplasticpipedimensionratiosandpressureratedforwater(seeappendix).IncludedarecriteriaforclassifyingPVCplasticpipematerialsandPVCplasticpipe,asystemofnomenclatureforPVCplasticpipe,andrequirementsandtestmethodsformaterials,workmanship,dimensions,sustainedpressure,burstpressure,flattening,andextrusionquality.Methodsofmarkingarealsogiven.1.2Theproductscoveredbythisspecificationareintendedforusewiththedistributionofpressurizedliquidsonly,whicharechemicallycompatiblewiththepipingmaterials.Duetoinherenthazardsassociatedwithtestingcomponentsandsystemswithcompressedairorothercompressedgases,somemanufacturersdonotallowpneumatictestingoftheirproducts.Consultwithspecificproduct/componentmanufacturersfortheirspecifictestingprocedurespriortopneumatictesting.Note18212;Pressurized(compressed)airorothercompressedgasescontainlargeamountsofstoredenergywhichpresentserioussafetyhazardsshouldasystemfailforanyreason.Note28212;Thisstandardspecifiesdimensional,performanceandtestrequirementsforplumbingandfluidhandlingapplications,butdoesnotaddressventingofcombustiongases.1.3Thetextofthisspecificationreferencesnotes,footnotes,andappendixeswhichprovideexplanatorymaterial.Thesenotesandfootnotes(excludingthoseintablesandfigures)shallnotbeconsideredasrequirementsofthespecification.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thefollowingsafetyhazardscaveatpertainsonlytothetestmethodsportion,Section8,ofthisspecification:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.AspecificprecautionarystatementisgiveninNote7.Note38212;CPVCplasticpipe(SDR-PR),whichwasformerlyincludedinthisspecification,isnowcoveredbySpecificationF442/F442M.Note48212;Thesustainedandburstpressuretestrequirements,andthepressureratingsintheappendix,arecalculatedfromstressvaluesobtainedfromtestsmadeonpipe4in.(100mm)andsmaller.However,testsconductedonpipeaslargeas24in.(600mm)indiameterhaveshownthesestressvaluestobevalidforlargerdiameterPVCpipe.Note58212;PVCpipemadetothisspecificationisoftenbelledforuseaslinepipe.Fordetailsofthesolventcementbell,seeSpecificationD2672andfordetailsofbelledelastomericjoints,seeSpecificationsD3139andD3212.
【中国标准分类号】:G33
【国际标准分类号】:23_040_20
【页数】:9P.;A4
【正文语种】:英语
