SAE AMS3044 Magnetic Particles, Fluorescent, Wet Method, Dry Powder
时间:2024-05-20 08:07:31 来源: 标准资料网 作者：标准资料网 阅读：8780
Product Code:SAE AMS3044
Title:Magnetic Particles, Fluorescent, Wet Method, Dry Powder
Issuing Committee:Ams K Non Destructive Methods And Processes Committee
Scope:This specification covers fluorescent magnetic particles in the form of a dry powder.These particles have been used typically as the inspection medium in wet, fluorescent magnetic particle inspection system as defined in ASTM E 1444 using either an oil or conditioned-water vehicle, but usage is not limited to such application.
【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
【英文标准名称】:Informationtechnology-Multimediacontentdescriptioninterface-Part8:ExtractionanduseofMPEG-7descriptions-Amendment4:Extractionofaudiofeaturesfromcompressedformats
【原文标准名称】:信息技术.多媒体内容描述接口.第8部分:运动图像专家组-7(MPEG-7)描述的提取及使用.修改件4:从压缩格式中音频功能的提取
【标准号】:ISO/IECTR15938-8AMD4-2009
【标准状态】:现行
【国别】:国际
【发布日期】:2009-11-01
【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/IECJTC1/SC29
【标准类型】:()
【标准水平】:()
【中文主题词】:数据编码;数据处理;数据表示;信息交换;信息技术;接口;MPEG;多媒体
【英文主题词】:Dataenciphering;Dataprocessing;Datarepresentation;Informationinterchange;Informationtechnology;Interfaces;MPEG;Multimedia
【摘要】:
【中国标准分类号】:L71
【国际标准分类号】:35_040
【页数】:30P.;A4
【正文语种】:英语