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【英文标准名称】:Paperandboard-Determinationoftensileproperties-Constantrateofelongationmethod(100mm/min)
【原文标准名称】:纸和纸板.抗张性能的测定.恒速拉伸法(100mm/min)
【标准号】:BSISO1924-3-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-10-03
【实施或试行日期】:2005-10-03
【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】:试验;负荷;强度性能;断裂伸长;延伸;纸板;纸;测定;抗拉强度;特性;材料试验;定义;速度;抗拉试验
【英文主题词】:Board(paper);Definition;Definitions;Determination;Elongation;Elongationatfracture;Loading;Materialstesting;Paper;Properties;Strengthproperties;Tensilestrength;Tensiletesting;Tensiletests;Testing;Velocity
【摘要】:ThispartofISO1924specifiesamethodformeasuringthetensilestrength,strainatbreak,tensileenergyabsorptionandtensilestiffness,usingatestingmachineoperatingwithaconstantrateofelongation(100mm/min).ThispartofISO1924alsospecifiesequationsforcalculatingthetensileindex,thetensileenergyabsorptionindex,thetensilestiffnessindexandthemodulusofelasticity.Whentensilestiffnessistobedetermined,agreateraccuracyisrequiredintheelongationmeasurementthanwhentheothertensilepropertiesaretobedetermined,iftheelongationisdeterminedwiththeloweraccuracy,thetensilestiffnessvalueobtainedisnotinaccordancewiththispartofISO1924.ThispartofISO1924isapplicabletoallpapersandboards,includingpapersofhighextensibility,suchascrepedpapersandextensiblesackpapers,butwiththeexceptionoflow-densitypaperssuchastissuepapersandtissueproductsforwhichISO12625-4isrecommended.
【中国标准分类号】:Y30
【国际标准分类号】:85_060
【页数】:20P.;A4
【正文语种】:英语


【英文标准名称】:Low-voltageelectricalinstallations-Part4-44:Protectionforsafety-Protectionagainstvoltagedisturbancesandelectromagneticdisturbances
【原文标准名称】:低压电气装置.第4-44部分:安全防护.电压干扰和电磁干扰的防护
【标准号】:IEC60364-4-44-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-08
【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/TC64
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电流;基本安全;建筑物;电路;接触安全装置;接触电压;切断;直流电流;接地导线;接地;接地连接;电接触保护;电力系统;电气工程;电气设备;电气装置;电气保护设备;电气安全;电驱动装置;电磁干扰;超低电压;熔丝断开;信息技术;绝缘件;隔离变压器;低电压;低压设备;过电流保护装置;过电压;过电压保护;设备;电位均衡;保护装置;保护措施;剩余电流控制装置;剩余电流控制保护系统;安全;安全措施;规范(验收);电压范围
【英文主题词】:Alternatingcurrent;Basicsafety;Buildings;Circuits;Contactsafetydevices;Contactvoltage;Cutoff;Directcurrent;Earthconductors;Earthing;Earthingconnection;Electriccontactprotection;Electricpowersystems;Electricalengineering;Electricalequipment;Electricalinstallations;Electricalprotectionequipment;Electricalsafety;Electrically-operateddevices;Electromagneticinterferences;Extra-lowvoltage;Fusedisconnection;Informationtechnology;Insulations;Isolatingtransformers;Lowvoltage;Low-voltageequipment;Overcurrentprotectiondevices;Overvoltage;Overvoltageprotection;Plant;Potentialequalization;Protectiondevices;Protectivemeasures;Residualcurrent-operateddevices;Residualcurrent-operatedprotectivesystem;Safety;Safetymeasures;Specification(approval);Voltagerange
【摘要】:TherulesofthisPartofIEC60364areintendedtoproviderequirementsforthesafetyofelectricalinstallationsintheeventofvoltagedisturbancesandelectromagneticdisturbancesgeneratedfordifferentspecifiedreasons.Therulesofthispartarenotintendedtoapplytosystemsfordistributionofenergytothepublic,orpowergenerationandtransmissionforsuchsystems(seethescopeofIEC60364-1)althoughsuchdisturbancesmaybeconductedintoorbetweenelectricalinstallationsviathesesupplysystems.
【中国标准分类号】:K30
【国际标准分类号】:29_120_50;91_140_50
【页数】:110P;A4
【正文语种】:英语