BS ISO/IEC 9072-2-1990 信息技术.开放系统互连.远距离操作.协议规范
时间:2024-05-15 17:35:48 来源: 标准资料网 作者：标准资料网 阅读：9327
【英文标准名称】:Informationtechnology.Opensystemsinterconnection.Remoteoperations.Protocolspecification
【原文标准名称】:信息技术.开放系统互连.远距离操作.协议规范
【标准号】:BSISO/IEC9072-2-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-10-31
【实施或试行日期】:1990-10-31
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:开放系统互连;数据传输;信息交流;数据传送;数据处理;通信规程;控制功能;正文;句法;表示层;应用层(开放系统互连);会话方式;数据传输控制规程;远程处理;传递函数
【英文主题词】:
【摘要】:
【中国标准分类号】:L79
【国际标准分类号】:35_240_20
【页数】:36P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminingGasPermeabilityCharacteristicsofPlasticFilmandSheeting
【原文标准名称】:测定塑料薄膜和薄片透气性能的测试方法
【标准号】:ASTMD1434-1982(2003)
【标准状态】:现行
【国别】:
【发布日期】:1982
【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】:F02.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:塑料;铁路;测定;渗透率;箔;试验;透气性
【英文主题词】:estimation;steady-staterate
【摘要】:Thesemeasurementsgivesemiquantitativeestimatesforthegastransmissionofsinglepuregasesthroughfilmandsheeting.Correlationofmeasuredvalueswithanygivenuse,suchaspackagedcontentsprotection,mustbedeterminedbyexperience.Thegastransmissionrateisaffectedbyconditionsnotspecificallyprovidedforinthesetests,suchasmoisturecontent(Note2),plasticizercontent,andnonhomogeneities.Thesetestsdonotincludeanyprovisionfortestingsealsthatmaybeinvolvedinpackagingapplications.Note28212;Thetestsarerunusinggaswith0%moisturechanges.Interlaboratorytestinghasrevealedthatpermeancesmeasuredbytheseproceduresexhibitastrongdependenceontheprocedurebeingused,aswellasonthelaboratoryperformingthetesting.Agreementwithothermethodsissometimespoorandmaybematerial-dependent.Thematerialsbeingtestedoftenaffectthebetween-laboratoryprecision.Thecausesofthesevariationsarenotknownatthistime.Itissuggestedthatthismethodnotbeusedforrefereepurposesunlesspurchaserandsellercanbothestablishthattheyaremeasuringthesamequantitytoamutuallyagreeduponlevelofprecision.Useofthepermeabilitycoefficient(involvingconversionofthegastransmissionratetoaunitthicknessbasis)isnotrecommendedunlessthethickness-to-transmissionraterelationshipisknownfrompreviousstudies.Eveninessentiallyhomogeneousstructures,variationsinmorphology(asindicated,forexample,bydensity)andthermalhistorymayinfluencepermeability.1.1Thistestmethodcoverstheestimationofthesteady-staterateoftransmissionofagasthroughplasticsintheformoffilm,sheeting,laminates,andplastic-coatedpapersorfabrics.Thistestmethodprovidesforthedeterminationof(1)gastransmissionrate(GTR),(2)permeance,and,inthecaseofhomogeneousmaterials,(3)permeability.1.2Twoproceduresareprovided:1.2.1ProcedureMManometric.1.2.2ProcedureVVolumetric.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Q22
【国际标准分类号】:
【页数】:12P.;A4
【正文语种】:
【英文标准名称】:Informationtechnology.Opensystemsinterconnection.Specificationofabstractsyntaxnotationone(ASN.1)
【原文标准名称】:信息技术.开式系统互连.抽象语法符号-1(ASN.1)规范
【标准号】:BSISO/IEC8824-1990
【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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