【英文标准名称】:TestMethodforCarbonDisulfideinBenzene
【原文标准名称】:苯中二硫化碳的测试方法
【标准号】:ASTMD2324-1981(1989)
【标准状态】:作废
【国别】:
【发布日期】:1981
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂料;芳烃;含量测定;芳族化合物;苯;二硫化碳;溶剂;试验;油性涂料
【英文主题词】:
【摘要】:
【中国标准分类号】:G16
【国际标准分类号】:71_080_15
【页数】:
【正文语种】:


【英文标准名称】:D.C.orA.C.suppliedelectronicstep-downconvertorsforfilamentlamps-Performancerequirements
【原文标准名称】:钨丝灯用交直流供电电子降压转换器.性能要求
【标准号】:BSEN61047-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-11-15
【实施或试行日期】:2004-11-15
【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】:附件;交流电流;镇流器;电路;转炉(金属);电流;定义(术语);直流电流;耐久性;效率;电灯;电气工程;电子工程;电子设备及元件;电子装置;失效;卤素灯;照明工程;白炽灯;信息;批注;灯;文字书写;照明系统;操作;规范(验收);应力;测试;测试要求;变压器;卤钨灯
【英文主题词】:Accessories;Alternatingcurrent;Ballasts;Circuits;Convertors(metals);Currents;Definitions;Directcurrent;Durability;Efficiency;Electriclamps;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Electronically-operateddevices;Failure;Halogenlamps;Illuminationengineering;Incandescentlamps;Information;Inscription;Lamps;Letterings;Lightingsystems;Operation;Specification(approval);Stress;Testing;Testingrequirements;Transformers;Tungsten-halogenlamps
【摘要】:ThisInternationalStandardspecifiesperformancerequirementsforelectronicstep-downconvertorsforuseond.c.suppliesupto250Vanda.c.suppliesupto1000Vat50Hzor60Hzwithoperatingfrequenciesdeviatingfromthesupplyfrequency,associatedwithtungstenhalogenlampsasspecifiedinIEC60357andotherfilamentlamps.NOTE1Thetestsinthisstandardaretypetests.Requirementsfortestingindividualconvertorsduringproductionarenotincluded.NOTE2Requirementsforconvertorswhichincorporatemeansforvaryingthelamppowerareunderconsideration.NOTE3Itmaybeexpectedthatconvertorscomplyingwiththisstandardwillensuresatisfactoryoperationbetween92%and106%ofratedsupplyvoltageoffilamentlampswithratedlivesgreaterthan200handratedvoltagelessthan50V.NOTE4Thereexistregionalstandardsregardingtheregulationofmainscurrentharmonicsforend-productssuchasluminairesandindependentcontrolgear.Inaluminaire,thecontrolgearisdominantinthisrespect.Controlgear,togetherwithothercomponents,shouldcomplywiththesestandards.
【中国标准分类号】:K74
【国际标准分类号】:29_140_99
【页数】:22P;A4
【正文语种】:英语