BS ISO 3622-1997 摄影技术.洗片化学制品.硫氰酸铵规范
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【英文标准名称】:Photography-Processingchemicals-Specificationsforammoniumthiocyanate
【原文标准名称】:摄影技术.洗片化学制品.硫氰酸铵规范
【标准号】:BSISO3622-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-02-15
【实施或试行日期】:1997-02-15
【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】:纯度;照相药品;化学成分;摄影;铵无机化合物;硫氰酸盐;化学分析和试验;pH值;摄影材料;含量测定;pH值测定
【英文主题词】:Ammonium;Chemicals;Materialsspecification;Photographicchemicals;Photographicmaterials;Photography;Testing;Tests;Thiocyanates
【摘要】:ThisInternationalStandardestablishescriteriaforthepurityofphotographic-gradeammoniumthiocyanateandspecifiesthetestmethodstobeusedtodeterminethepurity.
【中国标准分类号】:G84
【国际标准分类号】:37_040_30
【页数】:16P.;A4
【正文语种】:英语
【英文标准名称】:Admixturesforconcrete,mortarandgrout-Testmethods-Part14:Determinationoftheeffectoncorrosionsusceptibilityofreinforcingsteelbypotentiostaticelectro-chemicaltestEnglishversionofDINEN480-14:2007-03
【原文标准名称】:混凝土、灰浆和水泥浆混合物.试验方法.第14部分:恒电势电化学试验法测定腐蚀敏感性对钢筋的影响
【标准号】:DINEN480-14-2007
【标准状态】:现行
【国别】:德国
【发布日期】:2007-03
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:添加剂;混凝土外加剂;混凝土添充料;混凝土拌合料;混凝土;建筑;施工材料;腐蚀;测定;电化学腐蚀;电化学方法;水泥浆;测量;混合过程;混合;灰浆;加筋混凝土;钢筋;杆材;棒材;规范(验收);棒钢;钢;敏感性;试件;试验
【英文主题词】:
【摘要】:ThisEuropeanStandarddefines:Atestmethodfordeterminingtheinfluenceofanadmixtureonthecorrosionofasteelbarembeddedinamortarsampleheldatanincreasedpotentialinanelectrochemicalcell.Themethodcanbeusedtodeterminetheharmlessnessofadmixtureswithregardtocorrosionofreinforcingbutnotstressedsteel.Itappliestoalladmixturesforconcrete,mortarandgroutincontactwithreinforcingsteel.
【中国标准分类号】:Q13
【国际标准分类号】:91_100_30
【页数】:12P.;A4
【正文语种】:英语
【英文标准名称】:Safetyofpowertransformers,powersupplyunitsandsimilardevices-Part2-19:Particularrequirementsforperturbationattenuationtransformers
【原文标准名称】:电力变压器、电源装置及类似设备的安全第2-19部分:扰动衰减变压器的特殊要求
【标准号】:IEC61558-2-19-2000
【标准状态】:作废
【国别】:国际
【发布日期】:2000-06
【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/TC96
【标准类型】:()
【标准水平】:()
【中文主题词】:安全;安全要求;电气工程;电气安全;机械安全;小功率变压器;规范(验收);定义;热性能;性能;试验;安全隔离变压器;噪声限制;变压器;衰减因子;供电系统;电力变压器;电源设备;隔离变压器
【英文主题词】:Attenuationfactors;Definition;Definitions;Electricalengineering;Electricalsafety;Isolatingtransformers;Mainsunits;Mechanicalsafety;Noiselimitation;Performance;Powersupplysystem;Powertransformers;Safety;Safetyisolatingtransformers;Safetyrequirements;Small-powertransformers;Specification(approval);Testing;Thermalproperties;Transformers
【摘要】:Replacement:ThisInternationalStandarddealswithallaspectsofsafetysuchaselectrical,thermalandmechanical.Thispart2-19ofIEC61558appliestostationaryorportable,single-phaseorpoly-phase,air-cooled(naturalorforced),independentorassociated,isolatingorsafetyisolatingtransformers,havingaratedsupplyvoltagenotexceeding1000Va.c,aratedfrequencynotexceeding500Hz,aratedoutputnotexceeding10kVA.Perturbationattenuationtransformersareintendedtothesupplyofofficemachinesandthelikeandhaveamid-pointleadoutintheoutputcircuitinordertoattenuatemainsbornedisturbances.Inaddition,doubleorreinforcedinsulationbetweencircuitsrequiredbytheinstallationrulesorbytheappliancespecificationisfulfilledbyusingthistransformer.NOTE1Connectionofanapplianceviatransformersofthekindreferredtoheredoesnotimplythattherequirementsforthisapplianceareallowedtobelessstringent.Perturbationattenuationisolatingtransformers:-haveano-loadoutputvoltageandaratedoutputvoltageexceeding50Va.c.or120Vripple-freed.c.andnotexceeding500Va.c.or708Vripplefreed.c;theno-loadoutputvoltageandtheratedoutputvoltagemayexceedtheselimitsinordertobeinaccordancewiththenationalwiringrulesorspecialpurposes,howevertheyshallnotexceed1000Va.c.or1415Vripplefreed.c.Perturbationattenuationsafetyisolatingtransformers:-haveano-loadoutputvoltageandaratedoutputvoltagenotexceeding50Va.c.or120Vripple-freed.c.Thisstandardisapplicabletodry-typetransformers.Thewindingsmaybeencapsulatedornon-encapsulated.Whereanisolatingtransformerprovidessupplytotwoormoreitemsofequipment,aconnectionofexposed-conductive-partsofsuchequipmentisrequiredinaccordancewithsection413.5ofIEC60364-4-41.NOTE2Fortransformersfilledwithliquiddielectricorpulverisedmaterial,suchassand,additionalrequirementsareunderconsideration.NOTE3Attentionisdrawntothefactthat:-fortransformersintendedtobeusedintropicalcountries,specialrequirementsmaybenecessary;-inlocationswherespecialenvironmentalconditionsprevail,particularrequirementsmaybenecessary.NOTE4Thispart2-19doesnotpreventtheuseofothertypesoftransformersasattenuationtransformerwithoutmid-pointintheoutputcircuit.Thisstandarddoesnotcovertheperformancesofthefunction"attenuation".Thisfunctionmaybeobtainedbydifferentfeatures,forexample:screenorspeciallamination.Thisstandardalsoappliestotransformersincorporatingelectroniccircuits.Thisstandarddoesnotapplytoexternalcircuitsandtheircomponentsintendedtobeconnectedtotheinputandoutputterminalsorsocket-outletsofthetransformer.
【中国标准分类号】:K41
【国际标准分类号】:29_180
【页数】:29P;A4
【正文语种】:英语