【英文标准名称】:Europeandigitalcellulartelecommunicationssystem(phase2).Operatordeterminedbarring(GSM02.41).
【原文标准名称】:蜂窝式数字电信系统(第2段).操作员决定的用户锁定区域(GSM02.41)
【标准号】:NFZ83-513-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-08-01
【实施或试行日期】:1996-08-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:数字的;通信网;无线通信业务;电气工程;电信设备;中断;操作者;公共的;电信;欧洲的;远程通信;移动无线电通信系统;呼叫传输;无线电话业务;电力网供电;地面流动服务设施;通信系统;锁紧装置
【英文主题词】:
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:33_070_50
【页数】:9P;A4
【正文语种】:其他


【英文标准名称】:StandardPracticesforMakingHeatsealsforDeterminationofHeatsealabilityofFlexibleWebsasMeasuredbySealStrength
【原文标准名称】:通过测量密封强度测定挠性网热密封性能用熔焊的标准实施规范
【标准号】:ASTMF2029-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:F02.20
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:heatsealability;heatsealing;hottack;sealstrength;Flexiblebarriermaterials;Heatsealability(offlexiblewebs);Hottack;Sealstrength
【摘要】:Thispracticeallowsdeterminationoftheheatsealabilityofasurfaceorsealantlayer.Whileitisnecessarytohaveaheatsealsurfacelayerthathasadequatesealstrengthfortheapplication,othermaterialproperties,suchasthespecificconstructionandtotalthickness,bothchosentosatisfyrequirementsotherthanheatsealability,willimpactthesealingpropertiesofthematerial.Thispracticeallowstheimpactofchangesinmaterialpropertiesonheatsealabilitytobemeasured.1.1Thesepracticescoverlaboratorypreparationofheatsealsandthetreatmentandevaluationofheatsealstrengthdataforthepurposeofdeterminingheatsealabilityofflexiblebarriermaterials.Itdoesnotcovertherequiredvalidationprocedureforthematerialsandproductionequipment.1.2Testingstrengthorotherpropertiesoftheheatsealsformedbythesepracticesisnotincludedinthisstandard.RefertoTestMethodF88fortestingheatsealstrength.1.3Thepracticesofthisstandardarerestrictedtosealingwithamachineemployinghot-barjaw(s).Impulse,high-frequency,andultrasonicheatingmethodsarenotincluded.1.4Thesepracticesapplyprimarilytowebsintendedtobeusedoncommercialmachinesemployingreciprocatingsealingjaws,suchasmostform-fill-sealpackagingmachines,platenheatsealers,andsoforth.Conditionsofdwelltimeandsealingpressureonmachinesofthistypetypicallyaredifferentfromthoseonrotarymachines.1.5Theprocedureofthispracticewithrespecttochoiceofheatsealingconditionsapplytoultimatesealstrengthorhottackmeasurement.1.6Sealsmaybemadebetweenwebsofthesameordissimilarmaterials.Theindividualwebsmaybehomogeneousinstructureormultilayered(coextruded,coated,laminated,andsoforth).1.7StrengthoftheheatsealasmeasuredbyTestMethodF88isthecriterionforjudgingheatsealabilityemployedinthesepractices.1.8Determinationofheatsealabilityasjudgedbysealcontinuity,typicallymeasuredbyair-leak,dyepenetration,visualexamination,microorganismpenetration,orothertechniques,arenotcoveredbythesepractices.1.9ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.10Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:J33
【国际标准分类号】:83_180
【页数】:8P.;A4
【正文语种】:英语