【英文标准名称】:Testmethodforone-dimensionalconsolidationpropertiesofsoils
【原文标准名称】:土壤压实试验方法
【标准号】:JISA1217-1993
【标准状态】:作废
【国别】:日本
【发布日期】:1993-03-01
【实施或试行日期】:1993-03-01
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:Architecture
【标准类型】:()
【标准水平】:()
【中文主题词】:固结试验(土壤);土壤试验
【英文主题词】:soiltesting;consolidationtest(soils)
【摘要】:
【中国标准分类号】:B11
【国际标准分类号】:13_080
【页数】:8P;A4
【正文语种】:日语


【英文标准名称】:Plastics-Polyoxymethylene(POM)mouldingandextrusionmaterials-Part1:Designationsystemandbasisforspecifications
【原文标准名称】:塑料.聚甲醛模塑和挤塑材料.第1部分:命名体系和基本规范
【标准号】:ISO9988-1-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-09
【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】:塑料;模制材料;共聚物;聚甲醛;模塑材料;热塑性聚合物;均聚物;挤压;名称与符号;数据块;甲醛
【英文主题词】:Classification;Copolymers;Datablocks;Designations;Extruding;Formaldehyde;Homopolymers;Marking;Mouldingmaterials;Mouldings(shapedsection);Plastics;Polyoxymethylene;POM;Specification;Thermoplasticpolymers
【摘要】:1ThispartofISO9988establishesasystemofdesignationforpolyoxymethylene(POM)thermoplasticmaterials,whichmaybeusedasthebasisforspecifications.Polyoxymethylenematerialsarethermoplasticmaterialscomposedprincipallyoflong-chainsynthetichomopolymersandcopolymersofformaldehyde.Therepeatingunitinthemolecularchainis-CH2O-asanintegralpartofthemainpolymerchainresultingfrompolymerizationofformaldehyde.2Thetypesofpolyoxymethyleneplasticaredifferentiatedfromeachotherbyaclassificationsystembasedonappropriatelevelsofthefollowingdesignatoryproperties:a)meltmass-flowrateormeltvolume-flowrate,b)tensilemodulus,andoninformationaboutbasicpolymerparameters,intendedapplication,methodofprocessing,importantproperties,additives,colorants,fillersandreinforcingmaterials.3ThispartofISO9988isapplicabletoallpolyoxymethylenehomopolymersandtocopolymersofpolyoxymethyleneandblendsofpolymerscontainingpolyoxymethylene.Itappliestomaterialsreadyfornormaluseintheformofpowder,granulesorpelletsandtomaterialsunmodifiedandmodifiedbycolorants,additives,fillers,etc.4Itisnotintendedtoimplythatmaterialshavingthesamedesignationnecessarilygivethesameperformance.ThispartofISO9988doesnotprovideengineeringdata,performancedataordataonprocessingconditionswhichmayberequiredtospecifymaterialsforparticularend-useapplications.Ifsuchadditionalpropertiesarerequired,theyshallbedeterminedinaccordancewiththetestmethodsspecifiedinpart2ofthisInternationalStandard.5Inordertospecifyathermoplasticmaterialforaparticularapplicationortoensurereproducibleprocessing,additionalrequirementsmaybegivenindatablock5(see3.1).
【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