ANSI/SCTE 52-2008 数据加密标准.密码块链接信息包加密规范

作者:标准资料网 时间:2024-05-16 07:38:01   浏览:9580   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:DataEncryptionStandard-CipherBlockChainingPacketEncryptionSpecification
【原文标准名称】:数据加密标准.密码块链接信息包加密规范
【标准号】:ANSI/SCTE52-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分组;电缆通信;字符集;密码;编码;数据;加密;信息
【英文主题词】:Blocks;Cablecommunication;Charactersets;Ciphers;Coding;Data;Encryption;Information
【摘要】:ThisdocumentdefinesamethodforencryptingMPEG-2transportstreampacketsusingtheDataEncryptionStandard(DES)CipherBlockChaining(CBC)encryptionstandard.
【中国标准分类号】:L80
【国际标准分类号】:35_040
【页数】:
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:StandardGuideforAirSamplingStrategiesforWorkerandWorkplaceProtection
【原文标准名称】:工作者和工作场地防护用空气取样策略的标准指南
【标准号】:ASTME1370-1996(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1996
【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】:D22.04
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:airsampling;airsamplingstrategies;atmosphere;occupationalhealth;occupationalsafety;workerprotection;workplaceprotection;Airmonitoring;Bioassay;Contamination--atmospheric;Exposure(personnel);Healthhazards;Samplingair/atmospher
【摘要】:Todescribestandardapproachesusedtodetermineairsamplingstrategiesbeforeanyactualairsamplingoccurs.Forthemajorityofthepurposesforsampling,andforthemajorityofthematerialssampled,airsamplingstrategiesaremattersofchoice.Airsamplingintheworkplacemaybedoneforsingleormultiplepurposes.Conflictsarisewhenasingleairsamplingstrategyisexpectedtosatisfymultiplepurposes.Limitationsofcost,space,powerrequirements,equipment,analyticalmethods,andpersonnelrequirementsresultinanoptimumstrategyforeachpurpose.Astrategydesignedtosatisfymultiplepurposesmustbeacompromiseamongseveralalternatives,andwillnotbeoptimumforanyonepurpose.Thepurposeorpurposesofsamplingshouldbeexplicitlystatedbeforeasamplingstrategyisselected.Goodpractice,legalrequirements,costofthesamplingprogram,andtheusefulnessoftheresultsmaybemarkedlydifferentfordifferentpurposesofsampling.Thisguidewillnotaidintheevaluationofairsamplingdata.Thisguideisintendedforthosewhoarepreparingtoevaluatetheworkenvironmentofalocationbyairsampling,orwhowishtoobtainanunderstandingofwhatinformationcanbeobtainedbyairsampling.ThisworkwascommissionedbythecommitteeonOccupationalHealthandSafetybecausetherewasnodocumentavailablethatdrewtogetherinoneplacethemanydiversepiecesofinformationaboutairsamplingcoveredwithinit.Thisguidecannotbeusedasastand-alonedocumenttoevaluateanygivenairbornecontaminant.1.1Toprovidecriteriatobeusedindefiningairsamplingstrategiesforworkplacehealthandsafetymonitoringorevaluation,suchas:duration,frequency,number,location,method,equipment,andtiming.1.2WhensamplingisdonetodetermineiftheconditionsintheworkplaceareincompliancewithregulationsoftheU.S.OccupationalSafetyandHealthAdministration(OSHA),manyofthesecriteria,forspecifichazardoussubstances,arestatedin29CFR1910.
【中国标准分类号】:C51
【国际标准分类号】:13_040_30
【页数】:9P.;A4
【正文语种】:英语


【英文标准名称】:Paperandboardintendedtocomeintocontactwithfoodstuffs-Sensoryanalysis-Part1:odour.
【原文标准名称】:接触食品的纸和纸板.感官分析.第1部分:气味
【标准号】:NFQ03-085-1-2009
【标准状态】:现行
【国别】:法国
【发布日期】:2009-12-01
【实施或试行日期】:2009-12-25
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;纸板;纸板箱;触点;定义;食品包装;食品;材料测试;气味;嗅觉分析;包装件;纸;抽样方法;感官;感官分析(食品);测试;测试条件;检验人员
【英文主题词】:Analysis;Board(paper);Cartons;Contact;Definitions;Foodpackages;Foodproducts;Materialstesting;Odours;Olfactoryanalysis;Packages;Paper;Samplingmethods;Sensory;Sensoryanalysis(food);Testing;Testingconditions;Testingpersonnel
【摘要】:
【中国标准分类号】:Y31
【国际标准分类号】:55_040;67_250;85_060
【页数】:11P;A4
【正文语种】:其他