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DIN EN 13648-1-2009 低温容器.过压保护用安全装置.第1部分:低温设施用安全阀

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【英文标准名称】:Cryogenicvessels-Safetydevicesforprotectionagainstexcessivepressure-Part1:Safetyvalvesforcryogenicservice;EnglishversionofDINEN13648-1:2009-02
【原文标准名称】:低温容器.过压保护用安全装置.第1部分:低温设施用安全阀
【标准号】:DINEN13648-1-2009
【标准状态】:现行
【国别】:德国
【发布日期】:2009-02
【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】:容器;低温学的;低温容器;定义;密度;设计;过压;水力试验;作标记;材料;性能试验;压力;压力控制阀;安全装置;安全要求;安全阀;规范;规范(验收);测试;密封性;阀门
【英文主题词】:Containers;Cryogenic;Cryogenicvessels;Definition;Definitions;Density;Design;Excesspressures;Hydraulictests;Marking;Materials;Performancetests;Pressure;Pressurecontrolvalves;Safetydevice;Safetydevices;Safetyrequirements;Safetyvalves;Specification;Specification(approval);Testing;Tightness;Valves
【摘要】:ThisEuropeanStandardspecifiestherequirementsforthedesign,manufactureandtestingofsafetyvalvesforcryogenicservice,thatistosayforoperationwithcryogenicfluids(asdefinedinEN1251-1)below-10~Cinadditiontooperationatambienttemperature.ItisarequirementofthisEuropeanStandardthatthevalvescomplywithENISO4126-1orENISO4126-4.Intheeventofdifferentrequirements,therequirementsforcryogenicserviceareapplied.NOTE1Acryogenicfluid(refrigeratedliquefiedgas)isagaswhichispartiallyliquidbecauseofitslowtemperature(includingtotallyevaporatedliquidsandsupercriticalfluids).ThisEuropeanStandardisrestrictedtovalvesnotexceedingasizeofDN100forcategoryB.ThevalvesofcategoryAarelimitedtoDN25andsetpressuresupto40bars.Bothcategoriesaredesignedtorelievesinglephasevapoursorgases.Avalvecanbespecified,constructedandtestedsuchthatitissuitableforusewithmorethanonegasorwithmixturesofgases.NOTE2AllsafetyvalvescoveredinthisEuropeanStandardcorrespondtocategoryIVofPED(Directive97/23/EC)andcategory3ofTPED(Directive99/36/EC).NOTE3ThisEuropeanStandarddoesnotprovidemethodsfordeterminingthecapacityofreliefvalve(s)foraparticularcryogenicvessel.SuchmethodsareprovidedinEN13648-3.
【中国标准分类号】:A82
【国际标准分类号】:
【页数】:16P.;A4
【正文语种】:英语


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【英文标准名称】:Communicationnetworksandsystemsforpowerutilityautomation-Part9-2:Specificcommunicationservicemapping(SCSM)-SampledvaluesoverISO/IEC8802-3
【原文标准名称】:公用电力事业自动化的通信网络和系统.第9-2部分:专用通信服务映射(SCSM)通过ISO/IEC8802-3的抽样值
【标准号】:IEC61850-9-2-2011
【标准状态】:现行
【国别】:国际
【发布日期】:2011-09
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC57
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:Circuitnetworks;Commandsystems;Communication;Datacommunication;Datatransfer;Definitions;Electricpowersystems;Electricalengineering;Electricalprotectionequipment;Electronicequipment;Energysupply;Links;Mapping;Powersystemmanagement;Signaltransmission;Stations;Substation;Telecommunications;Transmission
【摘要】:
【中国标准分类号】:F21
【国际标准分类号】:33_040_40;33_200
【页数】:65P;A4
【正文语种】:英语


【英文标准名称】:Determinationofsubstancescharacteristicofgreenandblacktea-Contentofcatechinsingreentea-Methodusinghigh-performanceliquidchromatography
【原文标准名称】:绿茶和红茶的物质特性测定.绿茶中儿茶酚含量.高效液相色谱法
【标准号】:BSISO14502-2-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2005-04-07
【实施或试行日期】:2005-04-07
【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】:含量测定;茶;儿茶酚;农产品;HPLC;化学分析和试验;食品;高效液相色谱法
【英文主题词】:Agriculturalproducts;Analysis;Catechol;Chemicalanalysisandtesting;Chromatography;Determinationofcontent;Foodproducts;Highperformanceliquidchromatography;HPLC;Liquidchromatography;Samplingmethods;Substances;Tea;Testreports;Testing
【摘要】:ThispartofISO14502specifiesahigh-performanceliquidchromatographic(HPLC)methodforthedeterminationofthetotalcatechincontentofteafromthesummationoftheindividualcatechins.Itisapplicabletobothleafandinstantgreentea,andwithprecisionlimitationstoblacktea(seeAnnexA).Gallicacidandcaffeinecanalsobedeterminedbythismethod,ascantheogallinandtheaflavins.
【中国标准分类号】:X55
【国际标准分类号】:67_140_10
【页数】:30P.;A4
【正文语种】:英语