BS 5990-1990 工业和商业对流式加热用额定热输入功率达2MW的直接燃气强制对流式空气加热器规范(电气要求除外)(2类家用燃气)

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【英文标准名称】:Specificationfordirectgas-firedforcedconvectionairheaterswithratedheatinputsupto2MWforindustrialandcommercialspaceheating:safetyandperformancerequirements(excludingelectricalrequirement)(2ndfamilygases)
【原文标准名称】:工业和商业对流式加热用额定热输入功率达2MW的直接燃气强制对流式空气加热器规范(电气要求除外)(2类家用燃气)
【标准号】:BS5990-1990
【标准状态】:作废
【国别】:英国
【发布日期】:1990-03-30
【实施或试行日期】:1990-03-30
【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】:
【英文主题词】:
【摘要】:ThisBritishStandardgivesdetailedrequirements,includingsafetyandperformancerequirementsandmethodsoftest,fordirectgasfiredforcedconvectionairheatershavingheatinputsupto2MW,intendedforindustrialandcommercialapplications.Appliancescoveredbythisstandardarenotintendedforinstallationindomesticdwellings.Thescopeofthisstandardincludesdirectgasfiredforcedconvectionairheatersforusebothwithandwithoutducting,andintendedprimarilyforspaceheatingapplications.Itthereforeincludesairheatersdesignedtoprovidemake-upair,doorcurtainheaters,sprayboothheaters,portableairheatersanddirectfiredairheaterscapableofprovidingfullspaceheating.Thisstandardspecifiestherequirementsfordirectgasfiredforcedconvectionairheatersdesignedforpermanentoutdoorinstallation.Italsospecifiestherequirementsfortransportabledirectgasfiredforcedconvectionairheaters.Thisstandardappliestoappliancesdesignedtooperateonnormallowpressuredistrictsuppliesof2ndfamilygas.Forappliancesfittedwithgasboosters,additionalrequirementsmayapply.NOTE.Thetitlesofthepublicationsreferredtointhisstandardarelistedontheinsidebackcover.
【中国标准分类号】:Q83
【国际标准分类号】:97_100_20
【页数】:28P;A4
【正文语种】:英语


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【英文标准名称】:Waterquality-Determinationofnitrogen-Determinationofboundnitrogen(TNb),followingoxidationtonitrogenoxides
【原文标准名称】:水质.氮的测定.根据氧化氮的氧化测定结合氮(TNb)
【标准号】:BSEN12260-2003
【标准状态】:现行
【国别】:英国
【发布日期】:2003-09-25
【实施或试行日期】:2003-09-25
【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】:氨;铵;分析;粘合;化学分析和测试;燃烧;测定;含量测定;冷光;方法;分析方法;硝酸盐;亚硝酸盐;氮;氮含量;二氧化氮;有机化合物;规程;质量;抽样方法;污水;规范(验收);地表水;水常规(实验);水质;水质测试
【英文主题词】:Ammonia;Ammonium;Analysis;Bound;Chemicalanalysisandtesting;Combustion;Determination;Determinationofcontent;Luminescence;Methods;Methodsofanalysis;Nitrates;Nitrites;Nitrogen;Nitrogencontent;Nitrogendioxide;Organiccompounds;Procedures;Quality;Samplingmethods;Sewage;Specification(approval);Surfacewater;Waterpractice;Waterquality;Watertesting
【摘要】:ThisEuropeanStandardspecifiesamethodforthedeterminationofnitrogeninwaterintheformoffreeammonia,ammonium,nitrite,nitrateandorganiccompoundscapableofconversiontonitrogenoxidesundertheoxidativeconditionsdescribed.Determinationiscarriedoutinstrumentally.Dissolvednitrogengasisnotdeterminedbythismethod.Thismethodisapplicabletotheanalysisofsurfacewater,wastewaterandtreatedsewageeffluent.Theconcentrationrangeofthemethodwilldependontheinjectionvolumeusedwhichisinstrumentspecific.Totalnitrogencanbedeterminedintherangefrom1mg/lupto200mg/l.Higherconcentrationscan,ifnecessary,bedeterminedbydilutionofthesample.Thelimitofdetectionwilldependontheinstrumentinuse.Usingasuitableinjectionvolume,thelimitofdetectionistypicallyroundabout0,5mg/l.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:StandardPracticeforControllingQualityofRadiologicalExaminationofElectronicDevices
【原文标准名称】:控制电子装置放射性检验质量的标准实施规程
【标准号】:ASTME801-2006
【标准状态】:现行
【国别】:美国
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:检验;电子工程;无损检验;质量;放射性试验;试验
【英文主题词】:Checks;Electronicengineering;Non-destructivetesting;Quality;Radiographictesting;Testing
【摘要】:
【中国标准分类号】:L04
【国际标准分类号】:19_100
【页数】:4P;A4
【正文语种】:英语