BS EN ISO 7823-3-2007 塑料.聚丙烯酸甲酯薄膜.型式、尺寸和特征.连续浇铸薄膜
时间:2024-05-10 14:00:03 来源: 标准资料网 作者：标准资料网 阅读：9519
【英文标准名称】:Plastics-Poly(methacrylate)sheets-Types,dimensionsandcharacteristics-Continuouscastsheets
【原文标准名称】:塑料.聚丙烯酸甲酯薄膜.型式、尺寸和特征.连续浇铸薄膜
【标准号】:BSENISO7823-3-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-06-29
【实施或试行日期】:2007-06-29
【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】:特征;连续浇铸;定义;尺寸测量;尺寸;无止境的;挤压的;挤压制品;材料;机械特性;异丁烯酸甲酯;塑料薄膜;塑料;板;高聚物;聚甲基丙烯酸甲酯;特性;薄膜;规范(验收);规范;表面防护;测试;型式分类;型式
【英文主题词】:Characteristics;Continuouscasting;Definitions;Dimensionalmeasurement;Dimensions;Endless;Extruded;Extrudedproducts;Materials;Mechanicalproperties;Methylmethacrylate;Plasticsheets;Plastics;Plates;Polymers;Polymethylmethacrylate;Polymethylmethacrylate;Properties;Sheets;Specification(approval);Specifications;Surfaceprotection;Testing;Typeclassification;Types
【摘要】:ThispartofISO7823specifiesrequirementsfornon-modifiedflatpoly(methylmethacrylate)(PMMA)continuouscastsheetsforgeneral-purposeuse.Thesheetsmaybecolourlessorcoloured,andmaybetransparent,translucentoropaque.ThethicknessrangeofthesheetscoveredbythispartofISO7823is1mmto10mm.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:18P.;A4
【正文语种】:英语
【英文标准名称】:Informationtechnology-OpenSystemsInterconnection-TheDirectory:Models
【原文标准名称】:信息技术.开放系统互连.目录:模型
【标准号】:ISO/IEC9594-2-2005
【标准状态】:作废
【国别】:国际
【发布日期】:2005-12
【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/SC6
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;电信设备;数据网络;定义;人名地址录;信息交换;信息技术;模型;网络互连;开放系统互连;电信
【英文主题词】:Applicationlayer;Communicationservice;Datanetwork;Definitions;Directories;Informationinterchange;Informationtechnology;Models;Networkinterconnection;Opensystemsinterconnection;OSI;Telecommunication;Telecommunications
【摘要】:ThemodelsdefinedinthisRecommendation|InternationalStandardprovideaconceptualandterminologicalframeworkfortheotherITU-TX.500-seriesRecommendations|partsofISO/IEC9594whichdefinevariousaspectsoftheDirectory.ThefunctionalandadministrativeauthoritymodelsdefinewaysinwhichtheDirectorycanbedistributed,bothfunctionallyandadministratively.GenericDSAandDSAinformationmodelsandanOperationalFrameworkarealsoprovidedtosupportDirectorydistribution.ThegenericDirectoryInformationModelsdescribethelogicalstructureoftheDIBfromtheperspectiveofDirectoryandAdministrativeUsers.Inthesemodels,thefactthattheDirectoryisdistributed,ratherthancentralized,isnotvisible.ThisRecommendation|InternationalStandardprovidesaspecializationofthegenericDirectoryInformationModelstosupportDirectorySchemaadministration.TheotherITU-TRecommendationsintheX.500series|partsofISO/IEC9594makeuseoftheconceptsdefinedinthisRecommendation|InternationalStandardtodefinespecializationsofthegenericinformationandDSAmodelstoprovidespecificinformation,DSAandoperationalmodelssupportingparticulardirectorycapabilities.Thesecuritymodelestablishesaframeworkforthespecificationofaccesscontrolmechanisms.ItprovidesamechanismforidentifyingtheaccesscontrolschemeineffectinaparticularportionoftheDIT,anditdefinesthreeflexible,specificaccesscontrolschemeswhicharesuitableforawidevarietyofapplicationsandstylesofuse.Thesecuritymodelalsoprovidesaframeworkforprotectingtheconfidentialityandintegrityofdirectoryoperationsusingmechanismssuchasencryptionanddigitalsignatures.ThismakesuseoftheframeworkforauthenticationdefinedinITU-TRec.X.509|ISO/IEC9594-8aswellasgenericupperlayerssecuritytoolsdefinedinITU-TRec.X.830|ISO/IEC11586-1.DSAmodelsestablishaframeworkforthespecificationoftheoperationofthecomponentsoftheDirectory.
【中国标准分类号】:L79
【国际标准分类号】:35_100_70
【页数】:234P.;A4
【正文语种】:英语
【英文标准名称】:Specificationforfixedheightwalkingframes
【原文标准名称】:固定高度的助步架规范
【标准号】:BS4986-1973
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
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