ISO 14502-1-2005 绿茶和红茶的物质特性测定.第1部分:茶中多酚的总含量.使用Folin-Ciocalteu试剂的比色法
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【英文标准名称】:Determinationofsubstancescharacteristicofgreenandblacktea-Part1:Contentoftotalpolyphenolsintea-ColorimetricmethodusingFolin-Ciocalteureagent
【原文标准名称】:绿茶和红茶的物质特性测定.第1部分:茶中多酚的总含量.使用Folin-Ciocalteu试剂的比色法
【标准号】:ISO14502-1-2005
【标准状态】:现行
【国别】:国际
【发布日期】:2005-03
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:比色法;分析;抽样方法;多酚;茶;食品;农产品;含量测定;化学分析和试验
【英文主题词】:Agriculturalproducts;Analysis;Chemicalanalysisandtesting;Colorimetry;Determinationofcontent;Foodproducts;Investigations;Polyphenols;Samplingmethods;Substances;Tea;Testreports
【摘要】:ThispartofISO14502specifiesamethodforthedeterminationofthetotalpolyphenolcontentofleafteaandinstantteabyacolorimetricassayusingFolin-Ciocalteuphenolreagent[4].Itisapplicabletobothgreenandblackteaproducts.
【中国标准分类号】:X55
【国际标准分类号】:67_140_10
【页数】:10P.;A4
【正文语种】:英语
【英文标准名称】:Guidefortheprocurementofpowerstationequipment-Turbineauxiliaries-Moistureseparatorreheaters
【原文标准名称】:发电站设备采购指南.涡轮机辅助设备.潮气分离再加热器
【标准号】:BSEN45510-6-7-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-06-15
【实施或试行日期】:1998-06-15
【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】:寿命;潮气;选择;质量保证体系;规范;热交换器;性能;可靠度;涡轮机;控制装置;设计;定单;分离;电气设备;定货;涡轮机部件;验证;技术文献;性能试验;组装;认可试验;投标;合同;技术写作;采购;选址;安全措施;检验;发电站;规则;维修
【英文主题词】:Definitions;Deliveryconditions;Design;Documentations;Efficiency;Electricpowerstations;Equipment;Evaluations;Guidebooks;Guidelines;Interfaces(dataprocessing);Maintenance;Manufacturing;Operatingconditions;Performanceinservice;Procurements;Qualityassurance;Qualityrequirements;Resuperheating;Specification(approval);Specifications;Stress;Supplyschedule;Supplying;Traps(separators);Turbineauxiliaries
【摘要】:Thisstandardgivesguidanceonwritingthetechnicalspecificationfortheprocurementofmoistureseparatorreheatersforuseinelectricitygeneratingstations(powerstations).ThisGuideforprocurementisnotapplicabletoequipmentforuseinthenuclearreactorplantareaofnuclearpowerstations.OtherpossibleapplicationsofsuchequipmenthavenotbeenconsideredinthepreparationofthisGuide.ThisGuidecovers:-moistureseparatorreheatersasavesselcontainingthemoistureseparatorandthereheaterbundles;-moistureseparatorasavesselcontainingthemoistureseparators;-highvelocitymoistureseparatorsasapartofthecross-underorcross-overline;-reheatersasavesselcontainingthereheaterbundles;-moistureseparators(forreplacementinstallation);-reheaterbundles(forreplacementinstallation);-moistureseparatorreheaterauxiliaryequipment(drains,ventsandheatingsteamsystems).ThisGuidedoesnotcover-pipeworkfromandtotheturbinesandfordrainandventsystems;-drainpumps.TheequipmentcoveredbythisGuideisdefinedbyitsfunctionratherthandesigntype.Therefore,theguidancetothespecificationisstatedinperformancetermsratherthanbeingspecifiedbyadetaileddescriptionoftheequipmenttobesupplied.ThisGuideindicatestopotentialpurchasershowtheirspecificationshouldbepreparedsothat:-theequipmenttypeandcapacityinterfacescorrectlywithotherelementsofthesystemssuchastheturbine,regenerativefeedheatingsystem,condenserandsteamgeneratingplant;-predictedperformanceisachieved;-ancillaryequipmentisproperlysized;-reliability,availabilityandsafetyrequirementsareachieved;-properconsiderationisgiventotheevaluationprocessandthequalitymeasurestobeapplied.ThisGuidedoesnotdeterminethetypeofspecification(e.g.detailed,performance,functional)ortheextentofsupplyforanygivencontractwhichisnormallydecidedonthebasisofthepurchaser'sprojectstrategy.Itdoesnotcover:-anycommercial,contractualorlegalissueswhicharenormallyinseparatepartsofanenquiry;-anyallocationofresponsibilitieswhicharedeterminedbythecontract.ThisGuidedoesnotprescribethearrangementofthedocumentsintheenquiry.NOTEAsacomprehensiveEuropeanenvironmentalpolicyisstillunderpreparation,thisGuidedoesnotaddresstheenvironmentalimplicationsoftheequipment.
【中国标准分类号】:F02
【国际标准分类号】:27_040;27_100
【页数】:20P.;A4
【正文语种】:英语
Product Code:SAE AS4875
Title:Fittings, Straight Threaded Boss or Flanged, Fluid Connection
Issuing Committee:G-3, Aerospace Couplings, Fittings, Hose, Tubing Assemblies
Scope:This SAE Aerospace Standard (AS) establishes the requirements for straight threaded boss or flanged fluid connection fittings (see Section 6) for use in all types of fluid systems.