DIN EN 15856-2010 无损检测.声发射.周围充满液体的金属内壁腐蚀检测用AE试验方法的一般原理.德文版本EN15856-2010

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【英文标准名称】:Non-destructivetesting-Acousticemission-GeneralprinciplesofAEtestingforthedetectionofcorrosionwithinmetallicsurroundingfilledwithliquid;GermanversionEN15856:2010
【原文标准名称】:无损检测.声发射.周围充满液体的金属内壁腐蚀检测用AE试验方法的一般原理.德文版本EN15856-2010
【标准号】:DINEN15856-2010
【标准状态】:现行
【国别】:德国
【发布日期】:2010-05
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:声发射;腐蚀;腐蚀试验;丝状腐蚀;腐蚀检测;文献;外壳;受液器;仪器;材料试验;测量;测量技术;金属容器;无损的;无损检验;安全规则;声音传播;声传输;储存罐;容器;罐;水箱;试验设备;试验;试验条件
【英文主题词】:Acousticemissiontesting;Corrosion;Corrosiontests;Detectionofcorrosion;Documentations;Enclosures;Fluidreceivers;Instruments;Materialtests;Materialstesting;Measurement;Measuringtechniques;Metalcontainer;Non-destructive;Non-destructivetesting;Safetyregulations;Soundpropagation;Soundtransmission;Storagetank;Tanks;Tanks(containers);Testequipment;Testing;Testingconditions
【摘要】:Thisstandarddescribesacousticemissiontesting(AT)onmetallicsurroundingsfilledwithliquidsforthedetectionofcorrosionprocessesthatareactiveatthetimeofthetest.Itisapplicabletometallicstoragetanks,suchasthoseusedinthechemicalandpetrochemicalindustry.
【中国标准分类号】:H26
【国际标准分类号】:19_100
【页数】:14P.;A4
【正文语种】:德语


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【英文标准名称】:Rubber,rawnatural;Determinationofdirtcontent
【原文标准名称】:天然生橡胶.渣垢含量的测定
【标准号】:ISO249-1987
【标准状态】:作废
【国别】:国际
【发布日期】:1987-12
【实施或试行日期】:
【发布单位】:国际标准化组织(ISO)
【起草单位】:ISO/TC45
【标准类型】:()
【标准水平】:()
【中文主题词】:含量测定;杂质;化学分析;天然橡胶;化学分析和试验;橡胶
【英文主题词】:chemicalanalysis;determinationofcontent;chemicalanalysisandtesting;naturalrubber;rubber;impurities
【摘要】:
【中国标准分类号】:G34
【国际标准分类号】:6839
【页数】:4P;A4
【正文语种】:英语


【英文标准名称】:Informationtechnology-Securitytechniques-Keymanagement-Part3:Mechanismsusingasymmetrictechniques
【原文标准名称】:信息技术.安全技术.密钥管理.第3部分:使用不对称技术的机制
【标准号】:ISO/IEC11770-3-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-07
【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/SC27
【标准类型】:()
【标准水平】:()
【中文主题词】:算法;不对称的;校验;代号系统;编码;密码;数据处理;数据保护;数据传输;定义;信息交换;信息技术;IT安全;安全工程
【英文主题词】:Algorithms;Asymmetrical;Authentication;Codesystems;Coding;Cryptographic;Dataprocessing;Dataprotection;Datatransmission;Definitions;Informationinterchange;Informationtechnology;ITsecurity;Safetyengineering
【摘要】:ThispartofISO/IEC11770defineskeymanagementmechanismsbasedonasymmetriccryptographictechniques.Itspecificallyaddressestheuseofasymmetrictechniquestoachievethefollowinggoals.1)EstablishasharedsecretkeyforasymmetriccryptographictechniquebetweentwoentitiesAandBbykeyagreement.Inasecretkeyagreementmechanism,thesecretkeyistheresultofadataexchangebetweenthetwoentitiesAandB.Neitherofthemcanpredeterminethevalueofthesharedsecretkey.2)EstablishasharedsecretkeyforasymmetriccryptographictechniquebetweentwoentitiesAandBbykeytransport.Inasecretkeytransportmechanism,thesecretkeyischosenbyoneentityAandistransferredtoanotherentityB,suitablyprotectedbyasymmetrictechniques.3)Makeanentity'spublickeyavailabletootherentitiesbykeytransport.Inapublickeytransportmechanism,thepublickeyofentityAmustbetransferredtootherentitiesinanauthenticatedway,butnotrequiringsecrecy.SomeofthemechanismsofthispartofISO/IEC11770arebasedonthecorrespondingauthenticationmechanismsinISO/IEC9798-3.ThispartofISO/IEC11770doesnotcoveraspectsofkeymanagementsuchas--keylifecyclemanagement,--mechanismstogenerateorvalidateasymmetrickeypairs,--mechanismstostore,archive,delete,destroy,etc.keys.WhilethispartofISO/IEC11770doesnotexplicitlycoverthedistributionofanentity'sprivatekey(ofanasymmetrickeypair)fromatrustedthirdpartytoarequestingentity,thekeytransportmechanismsdescribedcanbeusedtoachievethis.Aprivatekeycaninallcasesbedistributedwiththesemechanismswhereanexisting,non-compromisedkeyalreadyexists.However,inpracticethedistributionofprivatekeysisusuallyamanualprocessthatreliesontechnologicalmeanslikesmartcards,etc.ThispartofISO/IEC11770doesnotcovertheimplementationsofthetransformationsusedinthekeymanagementmechanisms.NOTEToachieveauthenticityofkeymanagementmessages,itispossibletomakeprovisionsforauthenticitywithinthekeyestablishmentprotocolortouseapublickeysignaturesystemtosignthekeyexchangemessages.
【中国标准分类号】:L04
【国际标准分类号】:35_040
【页数】:89P.;A4
【正文语种】:英语