JIS C3323-2000 600V硅酮橡胶绝缘线

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【英文标准名称】:PracticeforUsingtheFrickeReferenceStandardDosimetrySystem
【原文标准名称】:弗里克基准剂量测定系统的实施规程
【标准号】:ANSI/ASTME1026-2004
【标准状态】:现行
【国别】:美国
【发布日期】:2004-01-11
【实施或试行日期】:2004-01-11
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:水;太阳能;测量;地热能;核能;剂量;剂量计
【英文主题词】:Dose;Dosimeters;Geothermalenergy;Measurement;Nuclearenergy;Solarpower;Water
【摘要】:Thispracticecoverstheproceduresforpreparation,testingandusingtheacidicaqueousferrousammoniumsulfatesolutiondosimetrysystemtomeasureabsorbeddosetowaterwhenexposedtoionizingradiation.Thesystemconsistsofadosimeterandappropriateanalyticalinstrumentation.ThesystemwillbereferredtoastheFrickesystem.Itisclassifiedasareference-standarddosimetrysystem(seeISO/ASTM51261).ThepracticedescribesthespectrophotometricanalysisproceduresfortheFrickedosimeter.Thispracticeappliesonlytogammarays,x-rays(bremsstrahlung),andhigh-energyelectrons.Thispracticeappliesprovidedthefollowingaresatisfied:Theabsorbeddoserangeshallbefrom20to400Gy(1).Theabsorbed-doseratedoesnotexceed10Gys(2).Forradioisotopegamma-raysources,theinitialphotonenergyisgreaterthan0.6MeV.Forx-rays(bremsstrahlung),theinitialenergyoftheelectronsusedtoproducethephotonsisequaltoorgreaterthan2MeV.Forelectronbeams,theinitialelectronenergyisgreaterthan8MeV(seeICRUReports34and35).Note1-Thelowerenergylimitsgivenareappropriateforacylindricaldosimeterampouleof12-mmoutsidediameter.Correctionsfordosegradientsacrossanampouleofthatdiameterorlessarenotrequired.Theirradiationtemperatureofthedosimetershouldbewithintherangeof10to60C.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G04
【国际标准分类号】:17_240
【页数】:
【正文语种】:英语


【英文标准名称】:Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-Localandmetropolitanareanetworks-Specificrequirements-Part3:CarrierSenseMultipleAccesswithCollisionDetection(CSMA/CD)AccessMethodandPhysicalLayer
【原文标准名称】:信息技术.系统间的信息交换和电信.局域网和城域网.特殊要求.第3部分:带有冲突检测存取方法的载波检测多路访问(CSMA/CD)及物理层规范.修改件1:10GBASE-T型10Gb/s物理层规范和管理参数
【标准号】:IEEE802.3an-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006
【实施或试行日期】:
【发布单位】:美国电气电子工程师学会(US-IEEE)
【起草单位】:IEEE
【标准类型】:()
【标准水平】:()
【中文主题词】:频带宽度;电路网络;传播学;通信网;通信规程;通信系统;计算机网络;控制规程;带检测冲突的载波检测多址存取;数据链层;数据处理;数据传送;数据传输;数据传输控制规程;数据传输方法;定义;EDP;电子数据处理;电气安全;光纤;信息交流;信息交换;信息处理;情报系统;信息技术;接口(数据处理);局部地区网络;局域网;局域电话网;人类;管理;文电;城域网;城域;多处理机;开式系统;开放系统互连;性能;物理层;信号电平;信号;电信;电信传输法;试验;传递函数;电压
【英文主题词】:Bandwidths;Circuitnetworks;Communication;Communicationnetworks;Communicationprocedures;Communicationsystems;Computernetworks;Controlprocedures;CSMA/CD;Datalinklayers;Dataprocessing;Datatransfer;Datatransmission;Datatransmissioncontrolprocedures;Datatransmissionmethods;Definitions;EDP;Electricalsafety;Fibreoptics;Informationexchange;Informationinterchange;Informationprocessing;Informationsystems;Informationtechnology;Interfaces(dataprocessing);LAN;Localareanetworks;Localtelephonenetwork;MAN;Management;Messages;Metropolitanareanetworks;Metropolitanareas;Multiprocessors;Opensystems;Opensystemsinterconnection;OSI;Performance;Physicallayers;Signallevel;Signals;Telecommunication;Telecommunicationtransmissionmethods;Telecommunications;Testing;Transferfunctions;Voltage
【摘要】:definesthewire-levelmodulationfor10GBASE-TasaTomlinson-Harashimaprecoded(THP)versionofpulse-amplitudemodulationwith16discretelevels(PAM-16),encodedinatwo-dimensionalcheckerboardpatternknownasDSQ128.Severalproposalswereconsideredforwire-levelmodulation,includingPAMwith12discretelevels(PAM-12),10levels(PAM-10),or8levels(PAM-8),bothwithandwithoutTomlinson-HarashimaPrecoding(THP).PAM-5iswhatisusedintheolder1000BASE-TgigabitEthernetstandard
【中国标准分类号】:M11
【国际标准分类号】:35_110
【页数】:181P.;A4
【正文语种】:英语