BS ISO 16790-2005 塑料.热塑性塑料熔融状态下的拉伸特性测定

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【英文标准名称】:Plastics-Determinationofdrawingcharacteristicsofthermoplasticsinthemoltenstate
【原文标准名称】:塑料.热塑性塑料熔融状态下的拉伸特性测定
【标准号】:BSISO16790-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-12-05
【实施或试行日期】:2005-12-05
【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】:抗断裂强度;共聚物;定义;塑料;抗拉强度;试验;热塑性聚合物
【英文主题词】:Breakingstrength;Copolymers;Definition;Definitions;Plastics;Tensilestrength;Testing;Thermoplasticpolymers
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingthedrawingandbreakcharacteristicsofmoltenplastics.Themethodinvolvesthemeasurementoftheforcegeneratedindeformingamoltenfilamentunderdefinedextrusiontemperatureanddrawingconditions.Dataisgeneratedundernon-isothermalandnon-homogeneousdeformationconditions.However,itisusefulfortheinterpretationofpolymerbehaviourinextensionalflow.Themethodissuitableforthermoplasticsmouldingandextrusionmaterialsthatcanbeextrudedusingacapillaryextrusionrheometer,oranextruderwithcapillaryroddieorotherextrusiondevices,andhavesufficientmeltstrengthtobehandledwithoutdifficulty.Suchmaterialsshouldbechemicallystableandproduceauniformextrudatefreefromheterogeneities,bubbles,unmeltedimpurities,etc.Thismethodmayprovideinformationon:—processabilityforallextrusiontechniques;—theeffectofmechanicalandthermalhistory;—theeffectofchemicalstructure,suchasbranching,entanglementsandmolecularmass.Thistechniqueisoneofanumberoftechniquesthatcanbeusedtomeasuretheextensionalflowbehaviourofamaterial.Thismethodofmeasurementdoesnotnecessarilyreproducethedrawingconditionstowhichthermoplasticsaresubjectedtoduringtheirprocessing.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:24P;A4
【正文语种】:英语


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【英文标准名称】:Guideforsafehandlingandoperationofmobileradioequipment
【原文标准名称】:移动式无线电设备安全运输及操作指南
【标准号】:BSIEC1149-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-06-15
【实施或试行日期】:1997-06-15
【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】:辐射危害;防护电气设备;分类系统;电压;移动无线电通信系统;职业安全;无线电通信;无线电设备;作标记;事故预防;电气保护设备;漏电路径;移动通信系统;间隙;电气安全;电气元件;试验条件;接地;防火安全;符号;安全措施;爆炸
【英文主题词】:Electricalengineering;Guidebooks;Mobileradiosystems;Radioengineering;Radioequipment;Safety
【摘要】:Thistechnicalreportcontainstherequirementsnecessaryforthesafetyofpersonnelagainsthazardswhichmayoccurinoperatingandmaintainingmobileradioequipment.Wheremandatoryrequirementsexistrelatingtosafety,thesetakeprecedenceovertherequirementsgiveninthisreport.Thisreportappliestoallmobileradioequipmentandauxiliaryapparatus,includingcombiningunitsandmatchingnetworks,antennasystemsandassociatedfeeder-lines.RemotecontrolsandprivateorpublictelephoneinterconnectcircuitsarealsoIncluded.ThisreportreferstoallclassesofprotectiveinsulationandequipmentdefinedinIEC536.NOTE-Powersuppliesandbatterychargersoperatingoutsidethehousingofthemobileorfixedradioinstallationarenotincludedinthisscope.Thisreportdealswithprotectionagainst:-injury;-electricshock;-skinburns;-hightemperatureandfire;-harmfulradiation;-miscellaneoushazards.Designandconstructionrequirementsand,whereappropriate,testmethodsarespecifiedcovering:a)thesafetyofpersonnelwhenoperating,carryingoutroutineadjustmentsto,andasfaraspracticable,duringfaultfindingandrepairoftheequipment;b)thesafetyofpersonnelwhentheequipmentisoperatingnormallyandalsowhenitisoperatingundercertainspecificfaultconditionswhichmayariseinnormaluse;andc)thepreventionoffireanditsspread.Therequirementsdonotnecessarilyensurethesafetyofpersonnelworkingontheequip-mentwhenitisnotinnormaloperation.Testsarespecified,whereappropriate,forcheckingthattheequipmentmeetsthesafetyrequirementsofthisreportwhenoperatingnormallyandalsounderthespecifiedfaultconditions.Thesetestsshouldbecarriedoutonarepresentativesetofequipmentinordertodeterminewhetherthedesignmeetstherequirementsofthereport.Theuseofthisreportisnot,however,intendedtoberestrictedtotypetests.Itmayalsobeusedforacceptancetestsafterinstallationoftheequipment,fortestsaftermodificationstopartsoftheequipmentandfortestsatappropriateintervalstoensurethecontinuingsafetyoftheequipmentthroughoutitslife.
【中国标准分类号】:M36
【国际标准分类号】:33_060_99
【页数】:28P.;A4
【正文语种】:英语


【英文标准名称】:Safetyofelectrictoys.
【原文标准名称】:电动玩具的安全性
【标准号】:NFC73-822-1996
【标准状态】:现行
【国别】:法国
【发布日期】:1996-06-01
【实施或试行日期】:1996-06-05
【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】:
【英文主题词】:Accidentprevention;Children;Children'stoys;Definition;Definitions;Design;Electricappliances;Electrical;Electricalappliances;Electricalengineering;Electricalsafety;Electrically-operateddevices;Evaluations;Incription;Instructions;Operation;Protectionagainstelectricshocks;Safety;Safetyextralowvoltages;Safetymeasures;Safetyrequirements;Specification(approval);Strengthofmaterials;Testing;Testingconditions;Toys
【摘要】:
【中国标准分类号】:Y57
【国际标准分类号】:97_200_50
【页数】:41P.;A4
【正文语种】:其他