BS EN 61300-2-2-2008 光纤转接设备和无源元件.基本试验和测量规程.第2-2部分:对接耐久性测试
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【英文标准名称】:Fibreopticinterconnectingdevicesandpassivecomponents—Basictestandmeasurementprocedures—Part2-2:Tests—Matingdurability
【原文标准名称】:光纤转接设备和无源元件.基本试验和测量规程.第2-2部分:对接耐久性测试
【标准号】:BSEN61300-2-2-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2009-04-30
【实施或试行日期】:2009-04-30
【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】:元部件;组件;周期;耐久性;电插头;电气工程;紧固件;玻璃纤维电缆;玻璃纤维光缆;寿命;测量;测量技术;光波导;被动的;消极的;无源的;试验;测试;痕量元素分析
【英文主题词】:Components;Cycle;Durability;Electricplugs;Electricalengineering;Fasteners;Glassfibrecables;Life(durability);Measurement;Measuringtechniques;Opticalwaveguides;Passive;Testing
【摘要】:ThepurposeofthispartofIEC61300istoevaluatetheeffectsofanumberofsuccessivecyclesofengagementandseparationoffibreopticconnectorsorotherinterconnectingdevicesonopticalperformanceandmechanicaldegradationofthecomponentundernormalusageconditions.
【中国标准分类号】:M33
【国际标准分类号】:33_180_20
【页数】:14P.;A4
【正文语种】:英语
【英文标准名称】:TestMethodsforEvaluationofEngineOilsinaHigh-speed,Single-cylinderDieselEngine-1kProcedure0.4FuelSulfurand1nProcedure0.04FuelSulfur
【原文标准名称】:高速单缸柴油发动机用发动机油的评估试验方法.1K程序(0.4%硫燃料)和1N程序(0.04%硫燃料)
【标准号】:ANSI/ASTMD6750-2008
【标准状态】:作废
【国别】:美国
【发布日期】:2008
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:汽缸;柴油发动机;机油;发动机;评估;燃料;高速;工业用油;润滑剂;润滑油;材料试验;单;硫;试验
【英文主题词】:Cylinders;Dieselengines;Engineoils;Engines;Evaluation;Fuels;Highspeed;Industrialoils;Lubricants;Lubricatingoils;Materialstesting;Single;Sulphur;Testing
【摘要】:
【中国标准分类号】:E34
【国际标准分类号】:75_100
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforSamplingSurfaceSoilforRadionuclides
【原文标准名称】:放射性核素表面土壤取样的标准实施规程
【标准号】:ASTMC998-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:(Practice)
【标准水平】:()
【中文主题词】:核技术;抽样方法;底部;核能;表面;放射性核素;土壤
【英文主题词】:environmental;radionuclides;sampling;soil
【摘要】:Soilprovidesasourcematerialforthedeterminationofselectedradionuclidesandservesasanintegratorofthedepositionofairbornematerials.Soilsamplingshouldnotbeusedastheprimarymeasurementsystemtodemonstratecompliancewithapplicableradionuclidesinairstandards.Thisshouldbedonebyairsamplingorbymeasuringemissionrates.Soilsamplingdoesserveasasecondarysystem,andinmanycases,istheonlyavailableavenueifinsufficientairsamplingoccurredatthetimeofanincident.Formanyinsolubleradionuclides,theprimaryexposurepathwaytothegeneralpopulationisbyinhalation.Theresuspensionoftransuranicelementshasreceivedconsiderableattention(1,2)3andtheirmeasurementinsoilisonemeansofestablishingcompliancewiththeU.S.EnvironmentalProtectionAgency(EPA)guidelinesonexposuretotransuranicelements.Soilsamplingcanprovideusefulinformationforotherpurposes,suchasplantuptakestudies,totalinventoryofvariousradionuclidesinsoilduetoatmosphericnucleartests,andtheaccumulationofradionuclidesasafunctionoftime.Asoilsamplingandanalysisprogramaspartofapreoperationalenvironmentalmonitoringprogramservestoestablishbaselineconcentrations.Considerationwasgiventothesecriteriainpreparingthispractice.Soilcollectedusingthispracticeandsubsequentanalysiscanbeusedtomonitorradionuclidedepositionofemissionsfromnuclearfacilities.Thecriticalfactorsnecessarytoprovidethisinformationaresamplinglocation,timeofsampling,frequencyofsampling,samplesize,andmaintenanceoftheintegrityofthesamplepriortoanalysis.Sincethesoilisconsideredtobeaheterogeneousmedium,multipointsamplingisnecessary.Thesamplesmustrepresenttheconditionsexistingintheareaforwhichdataaredesired.1.1Thispracticecoversthesamplingofsurfacesoilforthepurposeofobtainingasamplerepresentativeofaparticularareaforsubsequentchemicalanalysisofselectedradionuclides.Thispracticedescribesoneacceptableapproachtocollectsoilsamplesforradiochemicalanalysis.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z13
【国际标准分类号】:13_080_05
【页数】:3P.;A4
【正文语种】:
