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BS 5440-1-2000 额定热输入不超过70kW的燃气灶的烟道及通风装置的安装和维修(1类和2类3类家用燃气).烟道的安装和维修规范

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【英文标准名称】:Installationandmaintenanceoffluesandventilationforgasappliancesofratedheatinputnotexceeding70kWnet(1st,2ndand3rdfamilygases)-Specificationforinstallationandmaintenanceofflues
【原文标准名称】:额定热输入不超过70kW的燃气灶的烟道及通风装置的安装和维修(1类和2类3类家用燃气).烟道的安装和维修规范
【标准号】:BS5440-1-2000
【标准状态】:作废
【国别】:英国
【发布日期】:2000-12-15
【实施或试行日期】:2000-12-15
【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】:烟道;一类家用煤气;二类家用煤气;自然通风;通风;燃气动力装置;机械通风;维修;三类家用煤气;烟囱;装配;通风设备;排气系统
【英文主题词】:Chimneys;Exhaustsystems;Flues;Gas-powereddevices;Installation;Maintenance;Mechanicalventilation;Naturalventilation;Ventilation;Ventilationequipment;1stfamilygases;2ndfamilygases;3rdfamilygases
【摘要】:1EquipmentThisPartofBS5440specifiestheselection,design,installationandmaintenancerequirementsforfluesystemswhichformpartofaneworreplacementapplianceinstallationfordomesticorcommercialpurposes.Italsospecifiesrequirementsforconnectinggasappliancestoexistingflues.ItspecifiesnaturalandfanneddraughtfluesforapplianceswhichcarrytheCEmark,utilize1st,2ndor3rdfamilygasesandhaveratedheatinputsbasedonnet(lower)CalorificValue(CV)notexceeding70kW.ItmayalsobeusedforinstallationsofapplianceswhichdonotcarrytheCEmark,e.g.usedappliances,whereappropriate,providingtheappliancemanufacturer'sinstructionsareavailable.Insuchcircumstances,theinstallershouldensurethattheapplianceissafeinconstructionandcondition,andcanbeusedwithoutconstitutingadanger.Theratingof70kWappliestoanindividualapplianceconnectedtoafluesystemand,inthecaseofmorethanoneapplianceinthesameroomconnectedtoafluesystem,tothesumoftheratings.Forsharedflues,e.g.Se-ductsorU-ducts,theratingappliestotheindividualapplianceratingperdwelling.Thisstandarddealswiththecompleteflueequipmentfromtheapplianceconnection,tothedischargepointintooutsideair.Italsocoversfluesthatwereintendedoriginallyforappliancesburningotherfuelsbutwhicharesubsequentlyusedforgasappliances.ThisstandarddoesnotspecifyfluesystemsfordecorativefueleffectfireswhicharespecifiedinBS5871-3.Thisstandardspecifiesresidentialparkhomesbutnotleisureaccommodationvehicles.ThelatterarecoveredbyprEN1949orIGEdocumentUP/8[7].NOTE1Therangeofapplianceshasbeenamendedfrom60kWbasedongrossCVinthepreviousversionofthisstandardto70kWbasedonnetCVinordertoachievecompatibilitywiththegasapplianceproductstandards.Forinformationonfluesforapplianceshavingratedinputsexceeding70kW,referenceshouldbemadetoBS6644.AlthoughthepresentscopeofBS6644includestherange60kWgrossto70kWnet,thispartofBS5440shouldbeusedforfluesinthatrangesinceitcomprisesthemostup-to-datespecification.NOTE2Thisstandarddoesnotcovergas-firedincinerators.Suchappliancesrequirespecialconsiderationsbecauseofthehighfluegastemperaturestheygenerate.ForspecificinformationonincineratorsseeBS3813-1.NOTE3Theinstallershouldcheckthedatagivenwithanappliancetoestablishthebasisonwhichtheheatinputisgiven.Thedatainthisstandardreferstoheatinputexpressedintermsofnetcalorificvalues(CV)withconversiongivenfornaturalgasgrossCVquotedinbracketswhereappropriate.Theratioofgross:netheatinputisapproximately1.11:1fornaturalgas,1.09:1forpropaneand1.08:1forbutane.Forexample,convert9kWinputbasedongrossCVfornaturalgastotheequivalentnetCVinputasfollows:Netinput=9.0/1.11=8.1kW2CompetencyItisessentialthatpersonscarryingouttheinstallationofanygasapplianceanditsfluebecompetenttodoso,and,inthecaseofanyworkthatissubjecttothecurrentGasSafety(InstallationandUse)Regulations[1],itisessentialtocomplywiththeseregulations.Itisessentialthatpersonswhodesignthefluesystemshouldhavetheknowledgeandunderstandingofthestandardsandregulationsthatapplytoensurethatthecompletedplanswillproduceasafeandsatisfactoryinstallation.COMMENTARYANDRECOMMENDATIONSON1.2.Atthetimeofpublication,thebodywithHSEapprovaltooperateandmaintainaregisterofbusinesseswhoare"membersofaclassofpersons"istheCouncilforRegisteredGasInstallers(CORGI).ThusitisessentialthatallbusinessorselfemployedgasfittersshouldberegisteredwithCORGI.GuidanceontheindividualcompetencyrequiredforgasworkisgivenintheHealthandSafetyCommission'sApprovedCodeOf
【中国标准分类号】:P48
【国际标准分类号】:91_060_40
【页数】:96P.;A4
【正文语种】:英语


【英文标准名称】:Mechanicalvibrationandshock-Characterizationofthedynamicmechanicalpropertiesofvisco-elasticmaterials-Part2:Resonancemethod
【原文标准名称】:机械振动和冲击.粘弹性材料的动态机械特性的表征.第2部分:共振法
【标准号】:ISO18437-2-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-04
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC108
【标准类型】:()
【标准水平】:()
【中文主题词】:振动;规范(验收);振动影响(对人体);振动影响;振动测量;测量;试验;材料的机械性能;冲击;抗震试验;弹性(流体);共振法;定义
【英文主题词】:Definition;Definitions;Elasticproperties(fluids);Measurement;Mechanicalpropertiesofmaterials;Resonancemethods;Shock;Specification(approval);Testing;Vibration;Vibrationeffects;Vibrationeffects(humanbody);Vibrationmeasurement;Vibrationresistancetests
【摘要】:ThispartofISO18437definesaresonancemethodfordeterminingfromlaboratory,measurementsthedynamicmechanicalpropertiesoftheresilientmaterialsusedinvibrationisolators.Itisapplicabletoshockandvibrationsystemsoperatingfromafractionofahertztoabout20kHz.ThispartofISO18437isapplicabletoresilientmaterialsthatareusedinvibrationisolatorsinordertoreducea)transmissionsofunwantedvibrationsfrommachines,structuresorvehiclesthatradiatesound(fluid-borne,airborne,structure-borne,orothers),andb)thetransmissionoflow-frequencyvibrationsthatactuponhumansorcausedamagetostructuresorsensitiveequipmentwhenthevibrationistoosevere.ThedataobtainedwiththemeasurementmethodsthatareoutlinedinthispartofISO18437andfurtherdetailedinISO18437-3areusedfor—thedesignofefficientvibrationisolators,—theselectionofanoptimummaterialforagivendesign,—thetheoreticalcomputationofthetransferofvibrationsthroughisolators,—informationduringproductdevelopment,—productinformationprovidedbymanufacturersandsuppliers,and—qualitycontrol.Theconditionforthevalidityofthemeasurementmethodislinearityofthevibrationalbehaviouroftheisolator.Thisincludeselasticelementswithnonlinearstaticloaddeflectioncharacteristics,providedthattheelementsshowapproximatelinearityintheirvibrationalbehaviourforagivenstaticpreload.Measurementsusingthismethodaremadeoveroneortwodecadesinfrequencyatanumberoftemperatures.Byapplyingthetime-temperaturesuperpositionprinciple,themeasureddataareshiftedtogeneratedynamicmechanicalpropertiesoveramuchwiderrangeoffrequencies(typically10to10Hzatasinglereferencetemperature)thaninitiallymeasuredatagiventemperature.NOTEForthepurposesofthispartofISO18437,theterm"dynamicmechanicalproperties"referstothedeterminationofthefundamentalelasticproperties,e.g.thecomplexYoung'smodulusasafunctionoftemperatureandfrequencyand,ifapplicable,astaticpreload.
【中国标准分类号】:J04
【国际标准分类号】:17_160
【页数】:15P.;A4
【正文语种】:英语


【英文标准名称】:Surfacechemicalanalysis-Vocabulary-AMENDMENT1.
【原文标准名称】:表面化学分析.词汇.修改件1
【标准号】:NFX21-052/A1-2008
【标准状态】:作废
【国别】:法国
【发布日期】:2008-07-01
【实施或试行日期】:2008-07-11
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:化学分析和测试;定义;精整;表面性质;词汇
【英文主题词】:Chemicalanalysisandtesting;Definition;Definitions;Finishes;Surfaceproperties;Vocabulary
【摘要】:
【中国标准分类号】:G04
【国际标准分类号】:01_040_71;71_040_40
【页数】:22P.;A4
【正文语种】:其他