ISO 7792-2-1997 塑料热塑性聚酯(TP)模塑和挤塑材料第2部分:试样的制备和性能的测定
时间:2024-05-23 20:59:32 来源: 标准资料网 作者：标准资料网 阅读：9464
【英文标准名称】:Plastics-Thermoplasticpolyester(TP)mouldingandextrusionmaterials-Part2:Preparationoftestspecimensanddeterminationofproperties
【原文标准名称】:塑料热塑性聚酯(TP)模塑和挤塑材料第2部分:试样的制备和性能的测定
【标准号】:ISO7792-2-1997
【标准状态】:作废
【国别】:国际
【发布日期】:1997-12
【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/TC61
【标准类型】:()
【标准水平】:()
【中文主题词】:特性;模塑材料;塑料;聚酯树脂;规范;挤压成型;热塑性聚合物;试样制备
【英文主题词】:Electricalpropertiesandphenomena;Extrusion;Mechanicalproperties;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polyesterresins;Polyesters;Properties;Specification;Specimenpreparation;Testspecimens;Testingconditions;Thermalproperties;Thermoplasticpolymers
【摘要】:ThispartofISO7792specifiesthemethodsofpreparationoftestspecimensandthestandardtestmethodstobeusedindeterminingthepropertiesofthermoplasticpolyestermouldingandextrusionmaterials.Requirementsforhandlingtestmaterialandforconditioningboththetestmaterialbeforemouldingandthespecimensbeforetestingaregivenhere.Proceduresandconditionsforthepreparationoftestspecimensinaspecifiedstateandproceduresformeasuringpropertiesofthematerialsfromwhichthesespecimensaremadearegiven.Propertiesandtestmethodswhicharesuitableandnecessarytocharacterizethermoplasticpolyestermouldingandextrusionmaterialsarelisted.ThepropertieshavebeenselectedfromthegeneraltestmethodsinISO10350.OthertestmethodsinwideusefororofparticularsignificancetothesemouldingandextrusionmaterialsarealsoincludedinthispartofISO7792,asarethedesignatorypropertiesspecifiedinpart1(viscositynumberandtensilemodulusofelasticity).Inordertoobtainreproducibleandcomparabletestresults,itisnecessarytousethemethodsofspecimenpreparationandconditioning,thespecimendimensionsandthetestproceduresspecifiedherein.Valuesdeterminedwillnotnecessarilybeidenticaltothoseobtainedusingspecimensofdifferentdimensionsorpreparedusingdifferentprocedures.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:6P;A4
【正文语种】:英语
【英文标准名称】:TransmissionandMultiplexing(TM)-Genericrequirementsoftransportfunctionalityofequipment-Part3-1:SynchronousTransportModuleN(STM-N)regeneratorandmultiplexsectionlayerfunctions(EndorsementoftheEnglishversionEN300417-3-1V1.2.1
【原文标准名称】:传输和多路复用(TM).设备传输功能性的一般要求.第3-1部分:同步传输模快N(STM-N)再生器和多路传输分区层功能(英文版本核准本EN300417-3-1V1.2.1(2001-10)作为德国标准)
【标准号】:DINEN300417-3-1-2002
【标准状态】:现行
【国别】:德国
【发布日期】:2002-06
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:传输技术;多路复用;合格;传输系统;数字信号;物理层;无线电工程;规范(验收);远程通信;接口;传输特性;电气工程
【英文主题词】:Conformity;Digitalsignals;Electricalengineering;Interfaces(dataprocessing);Multiplex;Physicallayers;Radioengineering;Specification(approval);Telecommunication;Telecommunications;Transmissioncharacteristics;Transmissionsystems;Transmissiontechnique
【摘要】:ThedocumentdealswiththefunctionsoftheSTM-Nregeneratorandmultiplexsectionlayerfordigitaltransmissionequipment.
【中国标准分类号】:M11
【国际标准分类号】:33_040_20
【页数】:1P.;A4
【正文语种】:德语
【英文标准名称】:Electricalresistancetraceheatingsystemsforindustrialandcommercialapplications-Part1:Generalandtestingrequirements
【原文标准名称】:工业用和商用电阻跟踪加热系统.第1部分:总则和试验要求
【标准号】:IEC62395-1-2006
【标准状态】:现行
【国别】:国际
【发布日期】:2006-08
【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/TC27
【标准类型】:()
【标准水平】:()
【中文主题词】:交付使用;定义;电热;电气工程;电气安全;电加热装置;加热条;工业的;工业设施;安装;维修;作标记;操作;保护措施;合格试验;电阻加热;安全;安全规则;安全要求;规范(验收);试验;跟踪加热系统;贸易
【英文主题词】:Additionalheating;Commissioning;Definitions;Electricheating;Electricalengineering;Electricalsafety;Electroheatinginstallations;Firebars;Industrial;Industrialfacilities;Installations;Maintenance;Marking;Operation;Protectivemeasures;Qualificationtests;Resistanceheating;Safety;Safetyregulations;Safetyrequirements;Specification(approval);Testing;Testingrequirements;Traceheatingsystems;Trade
【摘要】:ThispartofIEC62395specifiesrequirementsforelectricalresistancetraceheatingsystemsandincludesgeneraltestrequirements.Thisstandardpertainstotraceheatingsystemsthatmaycompriseeitherfactory-fabricatedorfield-assembled(work-site)units,andwhichmaybeseriesheatercables,parallelheatercables,heaterpadsorheaterpanelsthathavebeenassembledand/orterminatedinaccordancewiththemanufacturer’sinstructionsforconnectiontovoltagesuppliesuptoandincluding450-750V.Thisstandardalsoincludesrequirementsforterminationassembliesandcontrolmethodsusedwithtraceheatingsystems.Thisstandarddoesnotincludeorprovideforanyapplicationsinpotentiallyexplosiveatmospheres.Thisstandarddoesnotcoverinduction,impedanceorskineffectheating.Traceheatingsystemscanbegroupedintodifferenttypesofapplicationsandthedifferentconditionsfoundduringandafterinstallationnecessitatedifferentrequirementsfortesting.Traceheatingsystemsareusuallycertifiedforaspecifictypeofinstallationorapplication.Typicalapplicationsforthedifferenttypesofinstallationinclude,butarenotlimitedto:a)installationsoftraceheatingforsurfaceheatingonpipes,vesselsandassociatedequipment–applicationsinclude:–freezeprotectionandtemperaturemaintenance;–hotwaterlines;–oilandchemicallines;–sprinklersystemmainsandsupplypiping;b)outdoorexposedareainstallationsoftraceheating–applicationsinclude:–roofde-icing;–gutteranddown-spoutde-icing;–catchbasinsanddrains;–railheating2;c)installationwithembeddedtraceheating–applicationsinclude:–snowmelting;–frostheaveprotection;–floorwarming;–energystoragesystems;–doorframes;d)installationswithtraceheatinginsideconduitorpiping–applicationsinclude:–snowmelting–inconduit;–frostheaveprotection–inconduit;–floorwarming–inconduit;–energystoragesystems–inconduit;–internaltraceheatingforfreezeprotectionofpotablewaterlines;–encloseddrainsandculverts.
【中国标准分类号】:K61
【国际标准分类号】:25_180_10
【页数】:61P.;A4
【正文语种】:英语