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ASTM D252-1927 在微波频率和1650℃时固体电绝缘材料复合介电常数的测试方法

作者:标准资料网 时间:2024-05-12 11:01:32  浏览:8844   来源:标准资料网
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【英文标准名称】:SpecificationforCoal-TarPitchforRoofing,DampProofing,andWaterproofing
【原文标准名称】:在微波频率和1650℃时固体电绝缘材料复合介电常数的测试方法
【标准号】:ASTMD252-1927
【标准状态】:作废
【国别】:
【发布日期】:1927
【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】:
【标准类型】:(Specification)
【标准水平】:()
【中文主题词】:电缆;容许的;电气试验;试验;电绝缘材料;绝缘;电气工程;电绝缘
【英文主题词】:
【摘要】:
【中国标准分类号】:K15
【国际标准分类号】:
【页数】:
【正文语种】:


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【英文标准名称】:Safetyofmachinery-Safetyrequirementsformachineryandequipmentforcontinuouscastingofsteel
【原文标准名称】:机械安全.钢的连续浇铸用机械和设备的安全要求
【标准号】:BSEN14753-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2008-05-30
【实施或试行日期】:2008-05-30
【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】:配件;铸造机械;铸造工艺;铸件;接触安全装置;连续浇铸;连续浇注机器;定义;电控制设备;电机;电气工程;电气设备;电气安全;设备;手册;危害;工业机械;工业;检验;机床;机器;维修;作标记;机械工程;噪声抑制;防电击;保护措施;安全;安全组件;安全工程;安全措施;机械安全;安全要求;规范(验收);测试;用户信息;警告标志
【英文主题词】:Accessories;Castingmachines;Casting(process);Castings;Contactsafetydevices;Continuouscasting;Continuouscastingmachines;Definition;Definitions;Electriccontrolequipment;Electricmachines;Electricalengineering;Electricalequipment;Electricalsafety;Equipment;Handbooks;Hazards;Industrialmachines;Industries;Inspection;Machinetools;Machines;Maintenance;Marking;Mechanicalengineering;Noiseabatement;Protectionagainstelectricshocks;Protectivemeasures;Safety;Safetycomponents;Safetyengineering;Safetymeasures;Safetyofmachinery;Safetyrequirements;Specification(approval);Testing;Userinformation;Warningnotices;Warningsigns
【摘要】:ThisEuropeanStandardappliesforplant(containingmachineryandequipment)usedintheprocessofcontinuouscastingofliquidsteel(hereafterreferredtoascontinuouscastingmachine,CCM)asdefinedin3.1andillustratedinAnnexB.ThisEuropeanStandarddealswithallsignificanthazards,hazardoussituationsandeventsrelevanttomachineryandequipmentforthecontinuouscastingofsteel,whentheyareusedasintendedandunderconditionsofmisusewhicharereasonablyforeseeablebythemanufacturer(seeClause4).ThisEuropeanStandardspecifiesthesafetyrequirementstobemetduringdesign,assembly,transport,commissioning,operation,maintenance(asdescribedinClause5)anddecommissioningoftheequipment.ThisEuropeanStandardassumesthatthemachineryandequipmentoftheplantisoperatedandmaintainedbyadequatelytrainedandcompetentpersonnel(see7.4).Manualinterventionforsetting,adjustmentandmaintenanceisacceptedaspartoftheintendeduseoftheplant.ThisEuropeanStandardassumesthatthemachineryisusedwithadequateworkplacelightingconformingtoEN12464-1.NOTELocalregulationsregardinglightingshouldbeconsideredandcoulddifferfromrequirementsofEN12464-1.ThisEuropeanStandardappliesto:CCMforthetransformationofmoltenliquidsteelintosolidproductsinsections(e.g.square,rectangular,beamblank,circular)?fromthepointwhereoverheadcranesorothertransportsystemsdepositladles(e.g.inaladleturretorladlecar);?viacastingprocess;?viacuttingequipment;?totherun-out-areawherethecutproductiscollected.ThisEuropeanStandarddoesnotcoversafetyrequirementsfor:?auxiliaryplants(e.g.watertreatment,refractoryhandling);?ladles;?cranes;?winchesandhoists;?conveyorsorhandlingsystems.ThisEuropeanStandardisnotapplicabletoCCM,manufacturedbeforethedateofpublicationofthisstandardbyCEN.
【中国标准分类号】:H90
【国际标准分类号】:77_180
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Determinationofthespontaneousignitionbehaviourofdustaccumulations;EnglishversionofDINEN15188:2007-11
【原文标准名称】:尘埃积聚物自发着火性的测定
【标准号】:DINEN15188-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-11
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析装置;散装物料;团料;定义;尘埃;尘埃火灾;防尘试验;爆炸性环境;易燃材料;热存储;着火性;点火;点燃;点燃温度;解释;调查方法;调查;材料特性;安全工程;划痕试验程序;自燃材料;自燃;固体;温度;测试
【英文主题词】:Apparatusforanalysis;Bulkmaterials;Conglomerates;Definition;Definitions;Dust;Dustfires;Dusttests;Explosiveatmospheres;Flammablematerials;Hotstorage;Ignitability;Ignition;Inflammation;Inflammationtemperature;Interpretations;Investigationmethods;Investigations;Materialproperties;Safetyengineering;Scoringprocedures(tests);Self-ignitingmaterials;Self-ignition;Solids;Temperature;Testing
【摘要】:ThisEuropeanStandardspecifiesanalysisandevaluationproceduresfordeterminingself-ignitiontemperatures(Tsl)ofcombustibledustsorgranularmaterialsasafunctionofvolumebyhotstorageexperimentsinovensofconstanttemperature.ThespecifiedtestmethodisapplicabletoanysolidmaterialforwhichthelinearcorrelationofIg(V/A)versusthereciprocalself-ignitiontemperature1/Ts?(withTslinK)holds(i.e.notlimitedtoonlyoxidativelyunstablematerials).ThisEuropeanStandardisnotapplicabletotheignitionofdustlayersorbulksolidsunderaeratedconditions(e.g.asinfluidbeddryer).ThisEuropeanStandardshouldnotbeappliedtodustslikerecognisedexplosivesthatdonotrequireatmosphericoxygenforcombustion,nortopyrophoricmaterials.NOTEBecauseofregulatoryandsafetyreasons"recognisedexplosives"arenotinthescopeofthisEuropeanStandard.Inspiteofthat,substanceswhichundergothermaldecompositionreactionsandwhicharenot"recognisedexplosives"butbehaveverysimilarlytoself-ignitionprocesseswhentheydecomposeareinthescope.Ifthereareanydoubtsastowhetherthedustisanexplosiveornot,expertsshouldbeconsulted.
【中国标准分类号】:C67
【国际标准分类号】:13_230
【页数】:23P.;A4
【正文语种】:英语



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