ISO 5983-1 Technical Corrigendum 1-2008 动物饲料.氮含量的测定和粗蛋白质含量的计算.第1部分:基尔达斯法(Kjeldahl).技术勘误1
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【英文标准名称】:Animalfeedingstuffs-Determinationofnitrogencontentandcalculationofcrudeproteincontent-Part1:Kjeldahlmethod;TechnicalCorrigendum1
【原文标准名称】:动物饲料.氮含量的测定和粗蛋白质含量的计算.第1部分:基尔达斯法(Kjeldahl).技术勘误1
【标准号】:ISO5983-1TechnicalCorrigendum1-2008
【标准状态】:现行
【国别】:国际
【发布日期】:2008-09
【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/TC34
【标准类型】:()
【标准水平】:()
【中文主题词】:农业;饲料;动物喂饲;化学分析和测试;含量;粗蛋白质;含量测定;食品;基耶达尔;基尔达斯法;数学计算;氮;氮含量;蛋白质含量;蛋白质
【英文主题词】:Agriculture;Animalfeed;Animalfeeding;Chemicalanalysisandtesting;Content;Crudeproteins;Determinationofcontent;Foodproducts;Kjeldahl;Kjeldahlsmethod;Mathematicalcalculations;Nitrogen;Nitrogencontent;Proteincontent;Proteins
【摘要】:Animalfeedingstuffs-Determinationofnitrogencontentandcalculationofcrudeproteincontent-Part1:Kjeldahlmethod;TechnicalCorrigendum1
【中国标准分类号】:B46
【国际标准分类号】:65_120
【页数】:1P;A4
【正文语种】:英语
【英文标准名称】:Methodsofmeasurementforradiotransmitters.Performancecharacteristicsofterrestrialdigitaltelevisiontransmitters
【原文标准名称】:无线电广播发射机测量方法.地面数字电视发射机的工作特性
【标准号】:BSEN62273-1-2007
【标准状态】:现行
【国别】:英国
【发布日期】:2007-05-31
【实施或试行日期】:2007-05-31
【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】:广播工程;广播;特征;通信;传播技术;条件;定义(术语);数字的;数字广播;数字连接;数字数据;数字工程;数字无线电线路;数字电视;电气工程;电学测量;频率;频率范围;互相调制;测量;测量技术;测量方法;调制;性能;功率输出;无线电电路;无线电工程;无线电装置;无线电发射机;无线电通信;额定输出功率;声音广播发射;规范(验收);电讯;电信传输法;电信;电视发射机;陆地的;测试信号;测试;传输特征;传输性能;传输特性;发射机;发射功率;
【英文主题词】:Broadcastengineeering;Broadcasting;Characteristics;Communication;Communicationtechnology;Conditions;Definitions;Digital;Digitalbroadcasting;Digitalconnections;Digitaldata;Digitalengineering;Digitalradiolinks;Digitaltelevision;Electricalengineering;Electricalmeasurement;Frequencies;Frequencyranges;Intermodulation;Measurement;Measuringtechniques;Methodsformeasuring;Modulation;Performance;Poweroutput;Radiocircuits;Radioengineering;Radiosystems;Radiotransmitters;Radiocommunication;Ratedoutputpower;Sound-broadcastingemissions;Specification(approval);Telecommunication;Telecommunicationtransmissionmethods;Telecommunications;Televisiontransmitters;Terrestrial;Testsignals;Testing;Transmissioncharacteristics;Transmissionperformance;Transmissionperformances;Transmitters;Transmittingpower;
【摘要】:ThispartofIEC62273givestheconditionsformeasuringtheperformanceparametersofterrestrialdigitaltransmittersandforfacilitatingthecomparisonofmeasurementswhicharecarriedoutbydifferentpersonnel.Itcontainsdetailsofspeciallyselectedmethodsfordeterminingthemostimportantperformanceparametersofdigitaltransmitters.Themeasurementmethodsdescribedapplytoalimitednumberofperformanceparameters,i.e.thosewhichcangiverisetoambiguousinterpretationduetotheuseofdifferentmethodsandconditions.Theyareneitherrestrictivenormandatory:measurementscanbechosenforeachparticularcase.Ifnecessary,additionaltestscanbecarriedoutbuttheyshallcomplywiththosestandardswhichhavebeenestablishedbyotherstudygroups,subcommitteesoftheIECorotherinternationalorsuitablyaccreditedorganizations.Nolimitshavebeenassignedtoquantifyacceptablerangesofperformanceparameters.Thesearejudgedtobeproperlyincludedinthetechnicalspecificationsforindividualtransmitters;however,thetermsandthemannerusedtoquantifythemshouldideallybethosedescribedinafutureIECpublication.Themeasurementmethodsdescribedinthisstandardareintendedfortypeapprovaltests.Howevertheycanequallywellapplytoacceptancetestsmeasurementsandqualitycontroltestseitherinfactoriesoronsite.Testsignalsareusedtomeasureperformanceparametersforbothdigitalandanalogueterrestrialtransmitters.Theirelectroniccharacteristicsandtheirassociatedperformanceparametersarewidelyunderstood.Thetestsignalsaremeasuredaftertheyhavegonethroughthetransmitterequipmenttodetermineiftheirdegradationiswithintherequiredqualitycriteria.ThisstandarddoesnotgointoanydetailregardingMPEG2signalsorDVBprocessesnordoesitdealwithdigitalsignalprocessing.
【中国标准分类号】:M74
【国际标准分类号】:33_060_20;33_170
【页数】:42P.;A4
【正文语种】:英语
【英文标准名称】:PracticeforInstallingRadonMitigationSystemsinExistingLowRiseResidentialBuildings
【原文标准名称】:在已有的低层住宅建筑中安装氡减轻系统的实施规程
【标准号】:ANSI/ASTME2121-2002
【标准状态】:作废
【国别】:美国
【发布日期】:2002
【实施或试行日期】:
【发布单位】:美国国家标准学会(ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:辐射防护;住宅层;建筑
【英文主题词】:radiationprotection;residentialsites;construction
【摘要】:
【中国标准分类号】:P04
【国际标准分类号】:91_120_99
【页数】:
【正文语种】:英语
