HG/T 2988-1988 氯菊酯含量分析方法
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来源:标准资料网
基本信息
| 标准名称： | 氯菊酯含量分析方法 |
| 英文名称： | Analytical method of content for permethrin |
| 中标分类： |
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| 替代情况： | 调整(转号)GB/T 9566-1988 |
| 发布日期： | 1988-05-19 |
| 实施日期： | 1989-02-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
适用范围
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前言
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引用标准
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所属分类：
Product Code:SAE J1754/2
Title:Hose Assemblies, Rubber, Hydraulic, Steel Wire Reinforced - Part 2: Ordering Information
Issuing Committee:Hydraulic Hose And Hose Fittings Committee
Scope:This SAE Standard covers ordering information for steel wire reinforced rubber hose assemblies using connectors specified in SAE J516 for use in hydraulic systems using petroleum based hydraulic fluids with maximum working pressures of 1.7 to 42 MPa. See SAE J1754-2, Table 8 for hose operating temperature ranges and identification codes.Note: Working pressure is defined as maximum system pressure.【英文标准名称】:Methodsofmeasurementforradiotransmitters-Part1:Performancecharacteristicsofterrestrialdigitaltelevisiontransmitters
【原文标准名称】:无线电发射机测量方法.第1部分:地面数字电视发射机的工作特性
【标准号】:IEC62273-1-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-02
【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/TC103
【标准类型】:()
【标准水平】:()
【中文主题词】:广播工程;广播;特性;通讯;通讯技术;条件;定义;数字的;数字广播;数字连接;数字数据;数字工程;数字无线电连接;数字电视;电气工程;电气测量;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;无线电系统;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;远程通信;通信;电信传输法;电信;电视发射机;陆地的;试验信号;试验;传输特性;传输性能;发射机;发射功率
【英文主题词】:Broadcastengineering;Broadcasting;Characteristics;Communication;Communicationtechnology;Conditions;Digital;Digitalbroadcasting;Digitalconnections;Digitaldata;Digitalengineering;Digitalradiolinks;Digitaltelevision;Electricalengineering;Electricalmeasurement;Englishlanguage;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;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】:39P.;A4
【正文语种】:英语
