您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS DD ISO/TS 17764-1-2002 动物饲料.脂肪酸含量的测定.甲酯的制备

时间:2024-05-27 09:15:46 来源: 标准资料网 作者:标准资料网 阅读:9796
下载地址: 点击此处下载
【英文标准名称】:Animalfeedingstuffs-Determinationofthecontentoffattyacids-Preparationofmethylesters
【原文标准名称】:动物饲料.脂肪酸含量的测定.甲酯的制备
【标准号】:BSDDISO/TS17764-1-2002
【标准状态】:现行
【国别】:英国
【发布日期】:2002-12-20
【实施或试行日期】:2002-12-20
【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】:农业;化学分析和试验;动物;含量测定;饲料;脂肪酸;甲酯;动物喂饲
【英文主题词】:Agriculture;Animalfeed;Animalfeeding;Animals;Chemicalanalysisandtesting;Determinationofcontent;Fattyacids;Methylesters
【摘要】:ISO/TS17764specifiesmethodsforthequantitativedeterminationofindividualfattyacidsandofthesumofthefattyacids(elutablefattyacids).ThispartofISO/TS17764specifiestwomethodsforpreparingthemethylestersoffattyacidsofanimatandvegetablefats,oilsandfattyacidmixturesforrawmaterialsforcompoundanimalfeeds,andfattyacidsoriginatingfromfatextractsofanimalfeedingstuffs,includingfatsandfattyacidmixturescontainingbutyricacid.Thegeneralmethod,theborontrifluoride(BF3)method,isconcernedwiththepreparationofmethylestersoffattyacidswithsixormoreCatoms,originatingfromfats,oilsandfreefattyacids.TheKOH/HCImethodisconcernedwiththepreparationofmethylestersoffattyacidswithfourormoreCatoms.ThismethodcanalsobeusedforthequantitativedeterminationoffattyacidswithachainlengthshorterthantenCatomsinfreefattyacidmixtures.Themethylestersproducedcanbeusedforgas-liquidchromatography(GLC).NOTE1Unsaponifiablematerialsarenotremovedandcan,whenpresentinconsiderableamounts,interferewiththechromatographicanalysis.NOTE2ISO/TS17764-2describestheapplicationofgaschromatographywithcapillarycolumnsandflameionizationdetectionforthedeterminationofthecontentoffattyacidsinafatbymakinguseofthemethylestersofthefattyacidsobtainedinaccordancewiththemethodsspecifiedinthispartofISO/TS17764.
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:14P;A4
【正文语种】:英语


【英文标准名称】:Lampcapsandholderstogetherwithgaugesforthecontrolofinterchangeabilityandsafety.Part1:Lampcaps
【原文标准名称】:灯头、灯座及检验其安全性和互换性的量规第1部分:灯头
【标准号】:IEC60061-1-1969
【标准状态】:作废
【国别】:国际
【发布日期】:1969-01
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC34B
【标准类型】:()
【标准水平】:()
【中文主题词】:电气工程;插脚灯头;可置换性;摩托车;安全;公差(测量);尺寸;灯头量规;IEC灯头量规;IEC灯头;IEC灯座;灯座;螺纹灯头;螺口灯头;IEC量规;底座;底座;普通照明灯;蜡烛;车灯;电灯;灯;照明系统;灯头
【英文主题词】:
【摘要】:Givesanexplanationofthegeneralprinciplesofthedesignationoflampcapsandholders,thenumberingofthesheetandthesymbolsofdimensions.Containsthestandardsheetsofbajonetcaps,screwcaps,prefocuscaps,bi-pincapsandfestooncaps.S
【中国标准分类号】:K70
【国际标准分类号】:29_140_10
【页数】:113P;A4
【正文语种】:英语


【英文标准名称】:Banking-Securefiletransfer(retail)
【原文标准名称】:银行业务.安全文件传输(零售)
【标准号】:BSISO15668-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-04-15
【实施或试行日期】:2000-04-15
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:数据传送;数据安全;零售;计算机软件;算法;数据存储保护;数据完整性;文件;金融;密码;信息交流;验证;银行
【英文主题词】:Algorithms;Authentication;Authenticitytest;Bankoperations;Creditcards;Datatransfer;Definition;Definitions;Filetransfer;Files;Financialtransactions;Identitycards;Retailtrade;Safety;Services
【摘要】:Incontrasttofiletransfersinawholesalebankingenvironmentcharacterisedbyexchangesoflargevolume,betweenmainframes,inarelativelyhigh-securityenvironment("bulkfiletransfers");thoseinaretailbankingenvironmentarecharacterisedbylowvolumesandalowerdegreeofreliabilityofenvironmentinwhichdownloadeddevicesareoperated.Suchdevicesmaybe,butnotlimitedto,anelectronicpointofsaleterminal(EPOS),anautomatedvendingmachine(AVM),anautomatedtellermachine(ATM),oramerchantserverincommunicationwithpaymentgateways.Itisassumedthatapre-establishedrelationshipexistsbetweentheentitiesinvolvedinthesecurefiletransfer,especiallytocoverthelegalandcommercialaspectsrelatedtothefiletransferliabilities.ThisInternationalStandardappliestothedifferentkindsoffiletransferusedinretailbankingenvironment,butdoesnotcovertransactionmessagesidentifiedinISO8583.Thetransfermayrequiretimeliness,andrequiresatleastoneofthefollowingsecurityservices:—messageoriginauthentication;—receiverauthentication;—integrity;—confidentiality;—nonrepudiationoforigin;—nonrepudiationofdelivery;—auditability.Itisassumedthatalldataforwardedbytheoriginatorshallhavebeenconfirmedaslegitimateandcorrectpriortothetransfer.Thedifferenttypesoffilestobetransferredcouldcontain:—software;—theretailtransactionswhichhavebeenperformedandregistered,(uploading);—technicaldatarelatedtoanacquirer(accessparameters...),(downloading);—applicationdatarelatedtoanacquirer(BINlist,hotlist,...),(downloading).Characteristicsofsuchfiletransfersarethefollowing:a)thetypeofdatatobetransferredcanbe—non-secretdata(collectionofretailtransactions,technicaldataandapplicationdata);or—secretdata.b)thenumberofentitiestoreceivethedatacanbe:—one;—morethanone(broadcastwitheventhousandsofreceivers).c)thecommunicationchannelscanconsistofoneorbothofthefollowingexamples:—telecommunication:publicnetwork,privatenetwork;d)thenatureofthetransfercanbe:—direct-connect,real-timetransfer(alsoknownascircuitswitching);or—store-and-forwardtransfer(alsoknownasmessageswitching).NOTEThisInternationalStandardconsidersthesecurityserviceduringthetransfer.RequirementstoensurethattransferredfileshavenotbeenalteredaftertransferachievementareoutsidethescopeofthisInternationalStandard.PermissibleformsofSecureFileTransferTransferofSecuredFilesThetransferfunctiondoesnotprovideanysecurityservicesbutincludesonlycommunicationservices.Inthiscasethefileshallbesecuredpriortothetransfer.Securityismanagedbytheoriginatorandthereceiverthemselves.Theyneednottrustthelowerlevels.Thereisnosecurityaddedbythecommunicationlevel(senderandreceiver).SFT=SecureFileTransferSecuredtransferoffilesInthiscase,thesecurityistakenintoaccountonlyfromthesendertothereceiverandtheoriginatorfullytruststhesender.Oneexampleiswheretheoriginatoristhesenderandthesecurityisdelegatedtothetransferlevel.Thisisnotendtoendsecurityasthereisnosecurityaddedbytheoriginator.Inthiscase,thetransferfunctionfullyincludesthesecurityservices.Thefileneednotbesecuredpriortothesecuredtransfertakingplace.SecuredtransferofsecuredfilesThesecurityfunctionscanbesplitupbetweenthesecurityfunctionandthetransferfunction.Oneexampleiswheretheoriginatorcreatesafile,signsitwiththeprivatesignaturekey,andenciphersthefilewithakeyknownonlybytheenduser(thereceiver).Theconcerninthisexampleistopreventanyonewithinthesendersorganisationfromseeingthecontentoftheoriginatorsfile.
【中国标准分类号】:A11
【国际标准分类号】:35_040;35_240_15
【页数】:42P.;A4
【正文语种】:英语