DIN EN 62037-2000 射频(RF)连接器.连接器电缆组件和电缆.互调电平测量
时间:2024-05-13 15:11:59 来源: 标准资料网 作者：标准资料网 阅读：9847
【英文标准名称】:RFconnectors,connectorcableassembliesandcables-Intermodulationlevelmeasurement(IEC62037:1999);GermanversionEN62037:1999
【原文标准名称】:射频(RF)连接器.连接器电缆组件和电缆.互调电平测量
【标准号】:DINEN62037-2000
【标准状态】:作废
【国别】:德国
【发布日期】:2000-07
【实施或试行日期】:2000-07-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:电缆;射频连接器;插头;高频;连接电缆;干扰信号;互调因素;互相调制;电子设备及元件;电缆接头;波导管;电气工程;导电体;无线电频率空波导;测量;试验;电子工程;射频连接;检验;电插头;特性;测量技术
【英文主题词】:Cables;Cablessplices;Connectorcables;Electricconductors;Electricplugs;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Highfrequencies;Inspection;Interferingsignals;Intermodulation;Intermodulationfactor;Measurement;Measuringtechniques;Plugs;Properties;Radiofrequencyconnections;Radiofrequencyconnectors;Radio-frequencyhollowwaveguides;Testing;Waveguides
【摘要】:Thedocumentisapplicabletotheintermodulation(IM)levelmeasurementofr.f.connectors,connectorcableassembliesandcables.Theobjectofthetestproceduregiveninthistechnicalspecificationistocharacterizethelevelofunwantedsignalscausedbythepresenceoftwoormoretransmittingsignalsinpassiver.f.components.#,,#
【中国标准分类号】:L23
【国际标准分类号】:33_120_30
【页数】:7P.;A4
【正文语种】:德语
【英文标准名称】:Rawmaterialsfortherubberindustry.Sulfenamidetypeaccelerators.Testmethods.
【原文标准名称】:橡胶工业用原材料.亚磺酰胺型加速器.试验方法
【标准号】:NFT45-027-1996
【标准状态】:作废
【国别】:法国
【发布日期】:1996-11-01
【实施或试行日期】:1996-11-05
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:G13
【国际标准分类号】:83_040_20
【页数】:20P;A4
【正文语种】:其他
【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