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IEC 60774-5-2004 利用VHS型12.65mm(0.5in)磁带螺旋扫描盒式磁带录像系统.第5部分:D-VHS

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【英文标准名称】:Helical-scanvideotapecassettesystemusing12,65mm(0,5in)magnetictapeontypeVHS-Part5:D-VHS
【原文标准名称】:利用VHS型12.65mm(0.5in)磁带螺旋扫描盒式磁带录像系统.第5部分:D-VHS
【标准号】:IEC60774-5-2004
【标准状态】:现行
【国别】:国际
【发布日期】:2004-04
【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/TC100
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);轧制宽带材;螺旋扫描记录(法);记录系统;电气工程;电声器件;视频记录;磁道位置;录像系统;家用盒式录象机制式;轮距;控制信号;音频信号;定义;录像带;盒式带;盒式录象带;磁带录像机;磁带;尺寸;记录工程;录像磁带;电视工程;视频设备;磁带记录;特性;盒式磁带
【英文主题词】:Acoustoelectricdevices;Audiosignals;Broadband;Cassettes;Cassettes(magnetictapes);Cassettes(tapes);Compatibility;Control;Controlsignals;Datarecording;Datastructures;Definitions;Digital;Dimensions;Electricappliances;Electricpowernetworks;Electricpowersystems;Electricalengineering;Electricalproperties;Electromagnetic;Electronicengineering;Formats;Helicalscanrecording;Impedance;Magnetictaperecordings;Magnetictapes;MPEG;Properties;Ratings;Recording;Recordingengineering;Recordingequipment;Recordingsystems;Recordingtracks;Specification(approval);Systems;Trackposition;Trackwidths;VHS;Videocassettes;Videoengineering;Videoequipment;Videorecording;Videorecordingsystems;Videotaperecorders;Videotaperecordings;Videotapes;Waveforms;9tracks
【摘要】:AppliestotheMPEGTS(TransportStream)packetrecordingforhelical-scanvideotapecassettesystemusing12,65mmmagnetictapeontypeVHS.Specifiesthecassettes,thetape,thetrackconfiguration,thedatastructure,therecordingmethodandthe
【中国标准分类号】:M71
【国际标准分类号】:33_160_40
【页数】:164P.;A4
【正文语种】:英语


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【英文标准名称】:Methodsofmeasuringthecharacteristicsofreproducingequipmentfordigitalaudiocompactdiscs;(IEC61096:1992/A1:1996);AmendmentA1;GermanversionEN61096:1993/A1:1996
【原文标准名称】:数字音响压缩盘用重放设备特性的测量方法.修改A1
【标准号】:DINEN61096/A1-1998
【标准状态】:现行
【国别】:德国
【发布日期】:1998-08
【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】:测量技术;音频设备;重放设备;定义;特性;数字记录法;测量方法;录音;电声学;测量;音频系统;激光唱机;激光数字音频系统
【英文主题词】:
【摘要】:ThisdocumentsupplementstheyetmissingclausesofIEC61096whichcontainsmethodsofmeasurementforCDplayers.
【中国标准分类号】:M72
【国际标准分类号】:33_160_30
【页数】:10P;A4
【正文语种】:德语


【英文标准名称】:Wateranalysis-Guidelinesforthedeterminationoftotalorganiccarbon(TOC)anddissolvedorganiccarbon(DOC)
【原文标准名称】:水分析.有机碳(TOC)和溶解的有机碳(DOC)总含量的测定导则
【标准号】:BSEN1484-1997
【标准状态】:现行
【国别】:英国
【发布日期】:1997-10-15
【实施或试行日期】:1997-10-15
【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】:控制样品;污水;再现性;试样制备;水质试验;定量分析;碳素物质测定;地表水;有机物质测定;悬浮液;化学分析和试验;氧化法;碳;地下水;校正;试剂溶液;含量测定;饮用水;浓度(化学);化学试剂;海水;质量;水;试样
【英文主题词】:Analysis;Carbon;Carboncontent;Chemicalanalysisandtesting;Chemicalreactions;Chemicals;Concentration;Definition;Definitions;Determination;Determinationofcontent;Dilution;Groundwater;Guidelines;Inorganiccompounds;Inspection;Massconcentration;Methods;Organiccompounds;Organicmatters;Potablewater;Quality;Reducingagents;Reduction;Samplingmethods;Seawater;Sewage;Solutes;Surfacewater;Testing;Water;Wateranalysis;Waterpractice;Waterquality;Watersamples;Watertesting;Waters
【摘要】:ThisEuropeanStandardgivesguidanceforthedeterminationoforganiccarbonindrinkingwater,groundwater,surfacewater,seawaterandwastewater.Itdealswithdefinitions,interferences,reagents,andthesamplepretreatmentofwatersampleswithacontentoforganiccarbonrangingfrom0,3mg/1to1000mg/lwhilethelowervalueisonlyapplicableinspecialcases,forexampledrinkingwater,measuredwithinstrumentscapableofmeasuringtheselowlevels.Higherconcentrationsmaybedeterminedafterappropriatedilution.ThisEuropeanStandarddoesnotdealwiththeinstrument-dependentaspects.Inadditiontoorganiccarbon,thewatersamplemaycontaincarbondioxideorionsofcarbonicacid.PriortotheTOCdetermination,itisessentialthatthisinorganiccarbonisremovedbypurgingtheacidifiedsamplewithagaswhichisfreefromCO2andorganiccompounds.Alternatively,bothtotalcarbon(TC)andtotalinorganiccarbon(TIC)maybedeterminedandtheorganiccarboncontent(TOC)maybecalculatedbysubtractingthetotalinorganiccarbonfromtheTC.ThismethodisparticularlysuitableforsamplesinwhichthetotalinorganiccarbonislessthantheTOC.Purgeableorganicsubstances,suchasbenzene,toluene,cyclohexane,andchloroformmaypartlyescapeuponstripping.Inthepresenceofthesesubstances,theTOCconcentrationisdeterminedseparately,orthedifferentialmethod(TC-TIC=TOC)maybeapplied.Byusingthedifferentialmethod,thevalueoftheTOCshouldbehigherthantheTIC,oratleastofsimilarsize.Cyanide,cyanate,andparticlesofelementalcarbon(soot)whenpresentinthesample,willbedeterminedtogetherwiththeorganiccarbon.NOTE.Inthepresenceofhumicmaterial,lowvaluesmayoccurwhenUVradiationisused.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50
【页数】:14P.;A4
【正文语种】:英语