BS 7020 Sec.7.1-1989 铁矿石分析.第7部分:硫含量的测定方法.第1节:重量分析法
作者:标准资料网 时间:2024-05-16 08:58:05 浏览:9728
来源:标准资料网
【英文标准名称】:Analysisofironores.Methodsforthedeterminationofsulphurcontent.Gravimetricmethod
【原文标准名称】:铁矿石分析.第7部分:硫含量的测定方法.第1节:重量分析法
【标准号】:BS7020Sec.7.1-1989
【标准状态】:作废
【国别】:英国
【发布日期】:1989-01-31
【实施或试行日期】:
【发布单位】:英国标准学会(BSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:团料;蒸发残余物测定;浓度(化学);试样制备;试样;化学分析和试验;再现性;含量测定;硫;萃取分析法;浓缩物;重量分析;沉淀法;试剂溶液;烧结产品;精密度;铁矿石
【英文主题词】:
【摘要】:
【中国标准分类号】:D31
【国际标准分类号】:
【页数】:12P;A4
【正文语种】:英语
【英文标准名称】:Pressureregulatorsandassociatedsafetydevicesforgasappliances.Pressureregulatorsforinletpressuresuptoandincluding50kPa
【原文标准名称】:燃气器具用压力调节器和相关安全装置.入口压力最大为50kPa及以下的压力调节器
【标准号】:BSEN88-1-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-07-31
【实施或试行日期】:2011-07-31
【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】:
【英文主题词】:Ambienttemperature;Assemblyinstructions;Bending;Bodies;Checkingequipment;Chemicalhazards;Classes;Classification;Compressionfittings;Conditions;Connectingdimensions;Connections;Constructionrequirements;Controlperformance;Controllers;Corrosion;Definitions;Density;Design;Deviations;Durability;Elastomers;EMC;Enclosures;Exits;Explosionhazard;Firerisks;Gasappliances;Gasburners;Gasconnections;Gaspermeability;Gaspressure;Gaspressuregovernors;Gastechnology;Gastightness;Gas-powereddevices;Graphic;Highpressure;Impregnation;Inletpressure;Leakrate;Leaktests;Maintenance;Marking;Materials;Mechanicaltesting;Moisture;Moisturetest;Mountingdimensions;Noiseduringoperation;Nominalwidths;Operatinginstructions;Performancerequirements;Pipes;Pneumatic;Pneumaticequipment;Pressuredrops;Pressuremeasurement(fluids);Pressureregulators;Putoutofaction;Safetycomponents;Safetyengineering;Safetyrequirements;Seals;Solderless;Specification(approval);Stability;Status;Testequipment;Testing;Testingconditions;Thermalenvironmentsystems;Thread-connections;Threads;Tightness;Tolerances(measurement);Transportable;Typetesting;Warningnotices;Wobbeindex;Zeropressure;Zincalloys
【摘要】:ThisEuropeanStandardspecifiesthesafety,constructionandperformancerequirementsforpressureregulatorsandpneumaticgas/airratiopressureregulators(zeropressureregulatorsareincludedasaspecialtypeofpneumaticgas/airratiopressureregulator),intendedforusewithgasburners,gasappliancesandsimilaruse,hereafterreferredtoas‘pressureregulators’.ThisEuropeanStandardisapplicableto?pressureregulatorswithdeclaredmaximuminletpressuresuptoandincluding50kPa(500mbar)ofnominalconnectionsizesuptoandincludingDN250forusewithoneormorefuelgasesinaccordancewithEN437,?pressureregulatorswhichuseauxiliaryenergy,?pneumaticgas/airratiopressureregulators,whichfunctionbycontrollingagasoutletpressureinresponsetoanairsignalpressure,airsignaldifferentialpressure,and/ortoafurnacepressuresignal(zeropressureregulatorsareincludedasaspecialtypeofpneumaticgas/airratiopressureregulator),?gas/airratiopressureregulatorswhichchangeanairoutletpressureinresponsetoagassignalpressureoragassignaldifferentialpressure.ThisEuropeanStandarddoesnotcover?pressureregulatorsconnecteddirectlytogasdistributionnetworkortoacontainerthatmaintainsastandarddistributionpressure,?pressureregulatorsintendedforgasappliancestobeinstalledintheopenairandexposedtotheenvironment,?mechanicallylinkedgas/airratiocontrols,?electronicgas/airratiocontrols(EN12067-2).
【中国标准分类号】:Q82
【国际标准分类号】:23_060_40
【页数】:54P.;A4
【正文语种】:英语
【英文标准名称】:
【原文标准名称】:修改件1
【标准号】:NFX50-201/A1-1978
【标准状态】:作废
【国别】:法国
【发布日期】:1978-04-01
【实施或试行日期】:1978-04-15
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:T43
【国际标准分类号】:
【页数】:6P.;A4
【正文语种】:其他
