BS 5489 Pt.5-1989 道路照明.分级道路交叉口照明实施规程

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【英文标准名称】:Specificationsforhigh-voltage(1000V)expulsion-typedistribution-classfuses,fuseanddisconnectingcutouts,fusedisconnectiongswitches,andfuselinks,andaccessoriesusedwiththesedevices
【原文标准名称】:高压(1000V)冲击式分布等级熔断器、熔断器和隔离保险开关、熔断器隔离开关、熔线环及这些装置所用配件的规范
【标准号】:IEEEC37.42-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:附件;电流负载;设计;分布系统;电气工程;冲击式熔断器;熔断器;高电压;高压熔断器;断流试验;中断;隔离开关;负载电流;操作;电容率;短路;短期;短时电流;规范(验收);开关;开关保险丝;试验;试验要求;密封性
【英文主题词】:Accessories;Currentloads;Design;Distributionsystems;Electricalengineering;Expulsionfuses;Fuses;Highvoltage;High-voltagefuse;Interruptiontests;Interruptions;Isolatorswitches;Loadcurrents;Operation;Permittivity;Shortcircuits;Short-time;Short-timecurrent;Specification(approval);Switches;Switch-fuses;Testing;Testingrequirements;Tightness
【摘要】:
【中国标准分类号】:K43
【国际标准分类号】:29_130_10
【页数】:42P;A4
【正文语种】:英语


【英文标准名称】:StandardTestMethodforRadiochemicalDeterminationofPlutoniuminSoilbyAlphaSpectroscopy
【原文标准名称】:用α光谱分析法放化测定土壤中钚的标准试验方法
【标准号】:ASTMC1001-2011
【标准状态】:现行
【国别】:
【发布日期】:2011
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:C26.05
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:α光谱测定法;钚;放射化学;土壤;同位素分析;放化分析;土壤(放射性分析);光谱学-α光谱测定法
【英文主题词】:alphaspectrometry;plutonium;radiochemistry;soil;Isotopicanalysis;Radiochemicalanalysis;Soil(radioactiveanalysis);Spectroscopy--alphaspectroscopy
【摘要】:Asoilsamplingandanalysisprogramprovidesadirectmeansofdeterminingtheconcentrationanddistributionofradionuclidesinsoil.Asoilanalysisprogramhasthemostsignificanceforthepreoperationalmonitoringprogramtoestablishbaselineconcentrationspriortotheoperationofanuclearfacility.Soilanalysis,althoughusefulinspecialcasesinvolvingunexpectedreleases,isapoortechniqueforassessingsmallincrementalreleasesandisthereforenotrecommendedasamethodforroutinemonitoringreleasesofradioactivematerial.Nevertheless,becausesoilisanintegratorandareservoiroflong-livedradionuclides,andservesasanintermediaryinseveraloftheplutoniumpathwaysofpotentialimportancetohumans,knowledgeoftheconcentrationofplutoniuminsoilisessential.1.1Thistestmethodcoversthedeterminationofplutoniuminsoilsatlevelsofdetectiondependentoncounttime,samplesize,detector,background,andtraceryield.Thistestmethoddescribesoneacceptableapproachtothedeterminationofplutoniuminsoil.1.2Thistestmethodisdesignedfor10gofsoil,previouslycollectedandtreatedasdescribedinPracticesC998andC999,butsamplesizesupto50gmaybeanalyzedbythistestmethod.Thistestmethodmaynotbeabletocompletelydissolveallformsofplutoniuminthesoilmatrix.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection9.
【中国标准分类号】:Z18
【国际标准分类号】:27_120_30
【页数】:6P.;A4
【正文语种】: