【英文标准名称】:Pre-setceramiccapacitors(TypeC)forelectronicequipment
【原文标准名称】:电子设备用预设置陶瓷电容器(C型)
【标准号】:JISC6447-1984
【标准状态】:作废
【国别】:日本
【发布日期】:
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Electronics
【标准类型】:()
【标准水平】:()
【中文主题词】:变容二极管;电子设备及元件;电容器;可变电容器;陶瓷
【英文主题词】:varactors;
【摘要】:
【中国标准分类号】:L11
【国际标准分类号】:31_060_20
【页数】:22P;A4
【正文语种】:日语


【英文标准名称】:StandardTestMethodforFieldDeterminationofWaterPenetrationofInstalledExteriorWindows,Skylights,Doors,andCurtainWalls,byUniformorCyclicStaticAirPressureDifference
【原文标准名称】:用统一的或循环的静态气压差法现场测定已安装的外窗、天窗、护墙及门渗水度的标准试验方法
【标准号】:ASTME1105-2000(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2000
【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】:E06.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:curtainwalls;doors;skylights;waterpenetration;windows;Airpressuretesting--buildingconstructions/materials;Curtainwalls;Cyclicstaticairpressuretests;Doors/doorassemblies;Exteriordoors;Exteriorwindows;Fieldtesting--buildingmater
【摘要】:Thistestmethodisastandardprocedurefordeterminingtheresistancetowaterpenetrationunderuniformorcyclicstaticairpressuredifferencesofinstalledexteriorwindows,skylights,curtainwalls,anddoors.Theair-pressuredifferencesactingacrossabuildingenvelopevarygreatly.Thesefactorsshouldbeconsideredfullypriortospecifyingthetestpressuredifferencetobeused.Note18212;Inapplyingtheresultsoftestsbythistestmethod,notethattheperformanceofawalloritscomponents,orboth,maybeafunctionofproperinstallationandadjustment.Inservice,theperformancewillalsodependontherigidityofsupportingconstructionandontheresistanceofcomponentstodeteriorationbyvariouscauses,vibration,thermalexpansionandcontraction,andsoforth.Itisdifficulttosimulatetheidenticalcomplexwettingconditionsthatcanbeencounteredinservice,withlargewind-blownwaterdrops,increasingwaterdropimpactpressureswithincreasingwindvelocity,andlateralorupwardmovingairandwater.Somedesignsaremoresensitivethanotherstothisupwardmovingwater.Note28212;Thistestmethoddoesnotidentifyunobservableliquidwaterwhichmaypenetrateintothetestspecimen.Laboratorytestsaredesignedtogiveanindicationoftheperformanceofanassembly.Fieldperformancemayvaryfromlaboratoryperformancesincethesupportingstructureforthetestspecimen,methodsofmounting,andsealinginthelaboratorycanonlysimulatetheactualconditionsthatwillexistinthebuilding.Shipping,handling,installation,actsofsubsequenttrades,aging,andotherenvironmentalconditionsallmayhaveanadverseeffectupontheperformanceoftheinstalledproduct.Thisfieldtestprocedureprovidesameansfordeterminingtheperformanceofaproductonceinstalledinthebuilding.Thefieldtestmaybemadeatthetimethewindow,skylight,curtain-wall,ordoorassembliesareinitiallyinstalledandbeforetheinteriorofthebuildingisfinished.Atthistime,itisgenerallyeasiertochecktheinteriorsurfacesoftheassembliesforwaterpenetrationandtoidentifythepointsofpenetration.Themajoradvantageoftestingwhenassembliesareinitiallyinstalledisthaterrorsinfabricationorinstallationcanbereadilydiscoveredandcorrectionsmadebeforetheentirewallwithitscomponentassembliesiscompletedatwhichtimetheexpenseofcorrectiveworkmaybeincreasedmanytimes.Thefieldtestmayalsobemadeafterthebuildingiscompletedandinservicetodeterminewhetherornotreportedleakageproblemsareduetothefailureoftheinstalledassembliestoresistwaterpenetrationatthespecifiedstaticairpressuredifference.Generallyitispossibletoconducttestsonwindow,skylight,anddoorassemblieswithouttoomuchdifficulty,andtoidentifysourcesofleakage.Acurtain-wallassembly,ontheotherhand,maynotbeaccessiblefromtheinsidewithouttheremovalofinteriorfinishedwallsandceilings.Evenwithremovalofinteriorwallsandceilings,itmaynotbepossibletoobservecurtain-wallsurfacesbehindspandrelbeams.Thefeasibilityofconductingameaningfulstaticairpressuredifferencewaterpenetrationtestonanin-servicebuildingmustbecarefullyevaluatedbeforebeingspecified.Weatherconditionscanaffectthestaticairpressuredifferencemeasurements.Ifwindgustingcausespressurefluctuationtoexceedx00B1;10%fromthespecifiedtestpressure,thetestshouldnotbeconducted.Generallyitismoreconvenienttouseaninteriormountedpressurechamberfromwhichairisexhaustedtoobtainalowerpressureontheinteriorsurfaceofthespecimen.Acalibratedrackofnozzlesisthenusedtospray.........
【中国标准分类号】:P32
【国际标准分类号】:91_060_50
【页数】:6P.;A4
【正文语种】:英语