ANSI/ASTM D6046-2002 环境冲击用液压液的分类

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【英文标准名称】:ClassificationofHydraulicFluidsforEnvironmentalImpact
【原文标准名称】:环境冲击用液压液的分类
【标准号】:ANSI/ASTMD6046-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【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】:分类;生态毒性;液压液
【英文主题词】:Classification;Ecotoxicity;Hydraulicfluids
【摘要】:Thisclassificationcoversallunusedfullyformulatedhydraulicfluidsintheiroriginalform.Thisclassificationestablishescategoriesfortheimpactofhydraulicfluidsondifferentenvironmentalcompartmentsasshownin.Fluidsareassigneddesignationswithinthesecategories;forexamplePwL,Pwe,andsoforth,basedonperformanceinspecifiedtests.Inthecurrentversionofthisclassificationtheaspectsofenvironmentalimpactincludedareenvironmentalpersistenceofwhichbiodegradabilityisonecomponentandacuteecotoxicity.Althoughenvironmentalpersistenceisdiscussedfirst,thisclassificationdoesnotimplythatconsiderationsofenvironmentalpersistenceshouldtakeprecedenceoverconcernsforecotoxicity.Anotherimportantaspectofenvironmentalimpactisbioaccumulation.Thisaspectisnotaddressedinthepresentclassificationbecauseadequatetestmethodsdonotyetexisttomeasurebioaccumulationofhydraulicfluids.Thepresentclassificationaddressesthefreshwaterandsoilenvironmentalcompartments.Atthistimemarineandanaerobicenvironmentalcompartmentsarenotincluded,althoughtheyarepertinentformanyusesofhydraulicfluids.Hydraulicfluidsareexpectedtohavenosignificantimpactontheatmosphere;thereforethatcompartmentisnotaddressed.Thisclassificationaddressesreleasestotheenvironmentwhichareincidentaltotheuseofahydraulicfluid.Theclassificationisnotintendedtoaddressenvironmentalimpactinsituationsofmajor,accidentalrelease.Nothinginthisclassificationshouldbetakentorelievetheuseroftheresponsibilitytoproperlyuseanddisposeofhydraulicfluids.Thisclassificationdoesnotcoveranyperformancepropertiesofahydraulicfluidwhichrelatetoitsperformanceinahydraulicsystem.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E39
【国际标准分类号】:75_120
【页数】:
【正文语种】:英语


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【英文标准名称】:Tungstenpowderandtungstencarbidepowder
【原文标准名称】:钨粉及碳化钨粉
【标准号】:JISH2116-1995
【标准状态】:作废
【国别】:日本
【发布日期】:1995-06-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JISC)
【起草单位】:TechnicalCommitteeonNon-FerrousMetals
【标准类型】:()
【标准水平】:()
【中文主题词】:材料(按形状分);钨;粒状材料;高熔点金属
【英文主题词】:particulatematerials;materialsbyform
【摘要】:
【中国标准分类号】:H63
【国际标准分类号】:77_120_99
【页数】:11P;A4
【正文语种】:日语


【英文标准名称】:Informationtechnology-Securitytechniques-Entityauthenticationmechanisms-Mechanismsusingsymmetricenciphermentalgorithms
【原文标准名称】:信息技术.安全技术.实体鉴定机制.使用对称加密算法的机制
【标准号】:BSISO/IEC9798-2-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-02-15
【实施或试行日期】:2000-02-15
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:编码(程序设计);数据安全;数据传输;算法;安全措施;验证;数据表示;密码;程序设计技术;数据处理;信息交流;软件工程技术;数据存储保护;标记(数据传输)
【英文主题词】:Algorithms;Authenticitytest;Dataprocessing;Dataprotection;Datasecurity;Datatransmission;Informationinterchange;Informationtechnology
【摘要】:ThispartofISO/IEC9798specifiesentityauthenticationmechanismsusingsymmetricenciphermentalgorithms.Fourofthemechanismsprovideentityauthenticationbetweentwoentitieswherenotrustedthirdpartyisinvolved;twoofthesearemechanismstounilaterallyauthenticateoneentitytoanother,whiletheothertwoaremechanismsformutualauthenticationoftwoentities.Theremainingmechanismsrequireatrustedthirdpartyfortheestablishmentofacommonsecretkey,andrealizemutualorunilateralentityauthentication.ThemechanismsspecifiedinthispartofISO/IEC9798usetimevariantparameterssuchastimestamps,sequencenumbers,orrandomnumbers,topreventvalidauthenticationinformationfrombeingacceptedatalatertimeormorethanonce.Ifnotrustedthirdpartyisinvolvedandatimestamporsequencenumberisused,onepassisneededforunilateralauthentication,whiletwopassesareneededtoachievemutualauthentication.Ifnotrustedthirdpartyisinvolvedandachallengeandresponsemethodemployingrandomnumbersisused,twopassesareneededforunilateralauthentication,whilethreepassesarerequiredtoachievemutualauthentication.Ifatrustedthirdpartyisinvolved,anyadditionalcommunicationbetweenanentityandthetrustedthirdpartyrequirestwoextrapassesinthecommunicationexchange.
【中国标准分类号】:L70
【国际标准分类号】:35_040
【页数】:18P;A4
【正文语种】:英语