您的位置: 标准下载 » 国际标准 » BS 英国标准 »

BS EN 13654-1-2001 土壤改良剂和生长剂.氮的测定.改良的基尔达斯法

作者:标准资料网 时间:2024-05-05 11:45:15  浏览:8359   来源:标准资料网
下载地址: 点击此处下载
【英文标准名称】:Soilimproversandgrowingmedia-Determinationofnitrogen-ModifiedKjeldahlmethod
【原文标准名称】:土壤改良剂和生长剂.氮的测定.改良的基尔达斯法
【标准号】:BSEN13654-1-2001
【标准状态】:现行
【国别】:英国
【发布日期】:2001-11-09
【实施或试行日期】:2001-11-09
【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】:化学分析和试验;含量测定;肥料;基尔达斯法;定量分析;土壤学;土壤改良;培养基;氮;土壤
【英文主题词】:Agriculture;Chemicals;Determinationprocedures;Extraction;Extractionagents;Extractionmethodsofanalysis;Growingmedia;Inter-laboratorytests;Kjeldahl;Kjeldahlsmethod;Methodsofanalysis;Modified;Nitrogen;Nitrogencontent;Nitrogenousfertilizers;Soilimprovement;Soilimprovingmaterials;Soils;Soluble;Solvents;Substrates(insulating)
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofnitrogeninsoilimproversandgrowingmedia.TheKjeldahlmethoddeterminesammonium-N,nitrate-N,nitrite-NandorganicNcontentofsoilimproversandgrowingmedia.NitrogeninN-N-linkages,N-O-linkagesandsomeheterocyclics(especiallypyridine)isonlypartiallydetermined.[6],[7],[8]Themethodisnotapplicabletolimingmaterialsandpreformedmaterialssuchasmineralwoolslabsandfoamslabs.NOTETherequirementsofthestandardmaydifferfromthenationallegalrequirementsforthedeclarationoftheproductsconcerned.
【中国标准分类号】:B11
【国际标准分类号】:65_080
【页数】:14P.;A4
【正文语种】:英语


下载地址: 点击此处下载
【英文标准名称】:Machinetools-Safety-Guillotineshears
【原文标准名称】:机床.安全.铡刀式剪切机
【标准号】:BSEN13985-2003
【标准状态】:作废
【国别】:英国
【发布日期】:2003-08-15
【实施或试行日期】:2003-08-15
【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】:设计;机床;铡刀式剪切机;无切削加工机床;危害;金属加工;危险区域;工作场所安全;剪切机;安全要求;危险防护;剪刀;安全措施;事故预防;保护措施;定义;职业安全;保健;保护设备
【英文主题词】:Accidentprevention;Dangerzones;Definition;Definitions;Design;Guillotineshears;Hazards;Healthprotection;Machinetools;Machinesworkingwithoutstockremoval;Metalworking;Occupationalsafety;Protectionagainstdanger;Protectiondevices;Protectivemeasures;Safetymeasures;Safetyrequirements;Scissors;Shearingmachine;Workplacesafety
【摘要】:1ThisEuropeanStandardspecifiestechnicalsafetyrequirementsandmeasurestobeadoptedbypersonsundertakingthedesignasdefinedin3.11ofEN292-1:1991,manufactureandsupplyofguillotineshearswhichareintendedtoworkcoldmetalormaterialpartlyofcoldmetalasdefinedin3.1.7andhereafterreferredasmachines.2Thisstandardalsocoversguillotineshearswhoseprimaryintendeduseistoworkcoldmetal,whicharetobeusedinthesamewaytoworkothersheetmaterials(e.g.cardboard,plastic,rubber,leather).3Therequirementsinthisstandardtakeaccountofintendeduse,asdefinedin3.12ofEN292-1:1991.Thisstandardpresumesaccesstotheguillotineshearfromalldirections,dealswiththehazardsdescribedinclause4,andspecifiesthesafetyrequirementsand/orprotectivemeasuresforboththeoperatorandotherexposedpersons.4Thisstandardalsoappliestoancillarydeviceswhichareanintegralpartoftheguillotineshear.Thisstandardalsoappliestomachineswhichareintegratedintoanautomaticproductionlinewherethehazardsandriskarisingarecomparabletothoseofmachinesworkingseparately.5Thisstandardincludesguillotineshearsinwhichenergyisimpartedtothebladebyanumberofmeans,e.g.:a)mechanicallydrivenfromamotorthroughafrictionclutch;b)throughadirectdrivemotorandbrake;c)throughhydraulicpressure;d)throughpneumaticpressure.6Thisstandarddoesnotcovermachineswhoseprincipaldesignedpurposeis:a)cuttinginotherthanastraightline(e.g.atnibblingmachines);b)cuttingbycontinuousactionatcrocodileshears(see3.4).7ThisstandarddoesnotcoverthesafetyrequirementsrelatedtotheuseofPESorPPS.Theywillbedealtwithatitsnextrevision.8ThisstandardisnotapplicabletomachineswhicharemanufacturedbeforethedateofpublicationofthisdocumentbyCEN.
【中国标准分类号】:J32
【国际标准分类号】:25_120_10
【页数】:50P.;A4
【正文语种】:英语


【英文标准名称】:Multicoreandsymmetricalpair/quadcablesfordigitalcommunication-Part1:Genericspecification
【原文标准名称】:数字通信用对绞或星绞多芯对称电缆.第1部分:总规范
【标准号】:IEC61156-1-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC46C
【标准类型】:()
【标准水平】:()
【中文主题词】:电信;电气工程;定义;总规范;数字工程;多芯电缆;电缆
【英文主题词】:Cables;Definition;Definitions;Digitalengineering;Electricalengineering;Genericspecification;Multicorecables;Telecommunications
【摘要】:Isaguidetoindoorcableswhichspecifiesthedefinitionsandrequirementsofmulticore,symmetricalpairandquadcablesusedindigitalcommunicationsystemssuchasISDN,localareanetworksanddatacommunicationsystems.
【中国标准分类号】:K13
【国际标准分类号】:33_120_20
【页数】:145P.;A4
【正文语种】:英语