DIN CWA 13989-2001 欧洲元数据工作用基于万维网的观测台维护和结构描述
时间:2024-05-14 17:30:04 来源: 标准资料网 作者：标准资料网 阅读：9075
【英文标准名称】:DescriptionofstructureandmaintenanceofthewebbasedobservatoryofEuropeanworkonmetadata(EnglishversionCWA13989:2000)
【原文标准名称】:欧洲元数据工作用基于万维网的观测台维护和结构描述
【标准号】:DINCWA13989-2001
【标准状态】:作废
【国别】:德国
【发布日期】:2001-04
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;维修;模型;数据处理;数据;多媒体;信息交流;结构;特性;元数据;标准化;标准化;因特网;信息技术;规范(验收)
【英文主题词】:Data;Dataprocessing;Electricalengineering;Informationexchange;Informationtechnology;Internet;Maintenance;Metadata;Models;Multimedia;Properties;Specification(approval);Standardization;Standardizat
【摘要】:
【中国标准分类号】:M11
【国际标准分类号】:35_240_60
【页数】:19P;A4
【正文语种】:德语
Product Code:SAE MA2123
Title:Hose Assembly, Convoluted, Nonmetallic, Tfe, Flareless, 45- to 45-
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:【英文标准名称】:StandardTestMethodforCharacteristicGroupsinRubberExtenderandProcessingOilsandOtherPetroleum-DerivedOilsbytheClay-GelAbsorptionChromatographicMethod
【原文标准名称】:用粘土胶吸收色谱法测定橡胶膨胀剂和加工油以及其他石油衍生油的特性集的标准试验方法
【标准号】:ASTMD2007-2003(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D02.04.0C
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:clay-gelabsorption;elutionchromatography;hydrocarbontype;liquidchromatography;petroleumderivedoils;rubberextenderoils;rubberprocessingoils;Processingoils;Rubberextenderoils;Solventremoval;Adsorption--petroleumproducts/applications
【摘要】:Thecompositionoftheoilincludedinrubbercompoundshasalargeeffectonthecharacteristicsandusesofthecompounds.Thedeterminationofthesaturates,aromatics,andpolarcompoundsisakeyanalysisofthiscomposition.Thedeterminationofthesaturates,aromatics,andpolarcompoundsandfurtheranalysisofthefractionsproducedisoftenusedasaresearchmethodtoaidunderstandingofoileffectsinrubberandotheruses.1.1Thistestmethodcoversaprocedureforclassifyingoilsamplesofinitialboilingpointofatleast260x00B0;C(500x00B0;F)intothehydrocarbontypesofpolarcompounds,aromaticsandsaturates,andrecoveryofrepresentativefractionsofthesetypes.Thisclassificationisusedforspecificationpurposesinrubberextenderandprocessingoils.Note18212;SeeTestMethodD2226.1.2Thistestmethodisnotdirectlyapplicabletooilsofgreaterthan0.1mass%pentaneinsolubles.Suchoilscanbeanalyzedafterremovalofthesematerials,butprecisionisdegraded(seeAppendixX1).1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificwarningstatementsaregivenin6.1,Section7,A1.4.1,andA1.5.5.
【中国标准分类号】:E45
【国际标准分类号】:83_040_20
【页数】:8P.;A4
【正文语种】:英语