【英文标准名称】:Informationtechnology;3,81mmwidemagnetictapecartridgeforinformationinterchange;helicalscanrecording;DATA/DATformat
【原文标准名称】:信息技术.信息交换用3.81mm宽盒式磁带.螺旋扫描记录.DATA/DAT格式
【标准号】:ISO/IEC11321-1992
【标准状态】:现行
【国别】:国际
【发布日期】:1992-12
【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/IECJTC1
【标准类型】:()
【标准水平】:()
【中文主题词】:仪器;数据格式;数据布置;数据媒体;盒式磁带;磁带;互换性;规范;信息处理;记录;信息交换;数据处理;信息交流;数据记录
【英文主题词】:Cassettes(magnetictapes);Dataformats;Datalayout;Datamedia;Dataprocessing;Datarecording;Informationexchange;Informationinterchange;Informationprocessing;Instruments;Interchangeability;Magnetictapes;Recording;Specifications
【摘要】:Specifiesthephysicalandmagneticcharacteristicsandalsothequalityoftherecordedsignal,therecordedformat(DATA/DAT)andtherecordingmethod,therebyallowingdatainterchangebetweendrivesbymeansofsuchmagnetictapecartridges.
【中国标准分类号】:L64
【国际标准分类号】:35_220_23
【页数】:127P.;A4
【正文语种】:英语


【英文标准名称】:Plastics-Polyamide(PA)mouldingandextrusionmaterials-Designation
【原文标准名称】:塑料.聚酰胺模塑和挤出材料.名称
【标准号】:BSENISO1874-1-2001
【标准状态】:作废
【国别】:英国
【发布日期】:2001-01-15
【实施或试行日期】:2001-01-15
【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】:热塑性聚合物;塑料;分类系统;高聚物;塑料和橡胶技术;热固性聚合物;弹性模量;名称与符号;聚酰胺;模塑材料;挤压;粘度测量
【英文主题词】:Classificationsystems;Codedrepresentation;Codes;Copolymers;Datablocks;Definition;Definitions;Designations;Extruding;Homopolymers;Injectionmoulding;Marking;Mouldingmaterials;Moulding(process);Mouldings(shapedsection);Plastics;Polyamides;Properties;Thermoplasticpolymers
【摘要】:1ThispartofISO1874establishesasystemofdesignationforpolyamide(PA)thermoplasticmaterials,whichmaybeusedasthebasisforspecifications.ItcoverspolyamidehomopolymersformouldingandextrusionbasedonPA6,PA66,PA69,PA610,PA812,PA11,PA12,PAMXD6,PA46,PA1212andcopolyamidesofvariouscompositionsformouldingandextrusion.2Thetypesofpolyamideplasticaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthedesignatorypropertiesa)viscositynumber,b)tensilemodulusofelasticityandc)presenceofnucleatingagent,andoninformationaboutchemicalstructure,intendedapplication,methodofprocessing,importantproperties,additives,colour,fillersandreinforcingmaterials.3Thedesignationsystemisapplicabletoallpolyamidehomopolymersandcopolymers.Itsappliestoma-terialsreadyfornormaluse,unmodifiedandmodifiedbycolorants,additives,fillers,reinforcingmaterials,polymermodifiers,etc.ThispartofISO1874doesnotapplytomonomercasting-typepolyamidesofPA6andPA12.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationgivenecessarilythesameper-formance.ThispartofISO1874doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifyamaterialforaparticularapplicationand/ormethodofprocessing.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofISO1874,ifsuitable.5Inordertospecifyathermoplasticmaterialforaparticularapplicationorreproducibleprocessing,ad-ditionalrequirementsmaybegiveninDataBlock5(seeclause3).
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:18P.;A4
【正文语种】:英语