BS EN ISO 20344-2004 个人防护设备.鞋靴的试验方法
时间:2024-05-17 12:12:33 来源: 标准资料网 作者：标准资料网 阅读：8771
【英文标准名称】:Personalprotectiveequipment-Testmethodsforfootwear
【原文标准名称】:个人防护设备.鞋靴的试验方法
【标准号】:BSENISO20344-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08-11
【实施或试行日期】:2004-08-11
【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】:防护鞋靴;鞋;试验;职业安全;鞋靴;工作服;工作鞋;防护设备;事故预防;采掘;工作场所安全;特性;防护服装;测定;安全;规范(验收);护脚设备;试验设备;规范;安全要求
【英文主题词】:Accidentprevention;Anti-slip;Ceramictiles;Determination;Footprotectiveequipment;Footwear;Mining;Nonskid;Occupationalsafety;Properties;Protectiveclothing;Protectiveequipment;Protectivefootwear;Safety;Safetyrequirements;Shoes;Slide-blocking;Slippingsecurity;Specification(approval);Specifications;Testequipment;Testing;Workingclothings;Workingshoe;Workplacesafety
【摘要】:ISO20344:2004specifiesmethodsfortestingfootweardesignedaspersonalprotectiveequipment.
【中国标准分类号】:C73
【国际标准分类号】:13_340_50
【页数】:86P;A4
【正文语种】:英语
【英文标准名称】:Cables,wiresandflexiblecordsforpowerinstallation;polyurethane-sheathedflexiblecable
【原文标准名称】:绝缘电力导线.带聚氨酯外套的软线
【标准号】:DINVDE0250T.818-1985
【标准状态】:作废
【国别】:
【发布日期】:
【实施或试行日期】:
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:
【中国标准分类号】:
【国际标准分类号】:
【页数】:
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【英文标准名称】:StandardPracticeforNaI(Tl)Gamma-RaySpectrometryofWater
【原文标准名称】:用NaI(TI)γ射线光谱法处理水的标准实施规程
【标准号】:ASTMD4962-2002(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:2002
【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】:D19.04
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:gammapulseheightanalysis;gammarayspectrometry;multichannelanalyzer;sodiumiodidedetector;Calibration--wateranalysisinstrumentation;Gammaradiation--water;Gamma-rayspectrometry;Multichannelanalyzer;Radioactivewateranalysis;Radionuclid
【摘要】:Gamma-rayspectrometryisusedtoidentifyradionuclidesandtomakequantitativemeasurements.Useofacomputerandalibraryofstandardspectrawillberequiredforquantitativeanalysisofcomplexmixturesofnuclides.Variationofthephysicalgeometryofthesampleanditsrelationshipwiththedetectorwillproducebothqualitativeandquantitativevariationsinthegamma-rayspectrum.Toadequatelyaccountforthesegeometryeffects,calibrationsaredesignedtoduplicateallconditionsincludingsource-to-detectordistance,sampleshapeandsize,andsamplematrixencounteredwhensamplesaremeasured.Thismeansthatacompletesetoflibrarystandardsmayberequiredforeachgeometryandsampletodetectordistancecombinationthatwillbeused.Sincesomespectrometrysystemsarecalibratedatmanydiscretedistancesfromthedetector,awiderangeofactivitylevelscanbemeasuredonthesamedetector.Forhigh-levelsamples,extremelylowefficiencygeometriesmaybeused.Quantitativemeasurementscanbemadeaccuratelyandpreciselywhenhighactivitylevelsamplesareplacedatdistancesof1mormorefromthedetector.Electronicproblems,suchaserroneousdeadtimecorrection,lossofresolution,andrandomsumming,maybeavoidedbykeepingthegrosscountratebelow2000countspersecondandalsokeepingthedeadtimeoftheanalyzerbelow5%.Totalcountingtimeisgovernedbytheactivityofthesample,thedetectorsourcedistance,andtheacceptablePoissoncountinguncertainty.1.1Thispracticecoversthemeasurementofradionuclidesinwaterbymeansofgamma-rayspectrometry.Itisapplicabletonuclidesemittinggamma-rayswithenergiesgreaterthan50keV.Fortypicalcountingsystemsandsampletypes,activitylevelsofabout40Bq(1080pCi)areeasilymeasuredandsensitivitiesofabout0.4Bq(11pCi)arefoundformanynuclides(1-10).Countratesinexcessof2000countspersecondshouldbeavoidedbecauseofelectroniclimitations.Highcountratesamplescanbeaccommodatedbydilutionorbyincreasingthesampletodetectordistance.1.2Thispracticecanbeusedforeitherquantitativeorrelativedeterminations.Intracerwork,theresultsmaybeexpressedbycomparisonwithaninitialconcentrationofagivennuclidewhichistakenas100%.Forradioassay,theresultsmaybeexpressedintermsofknownnuclidicstandardsfortheradionuclidesknowntobepresent.Inadditiontothequantitativemeasurementofgamma-rayactivity,gamma-rayspectrometrycanbeusedfortheidentificationofspecificgamma-rayemittersinamixtureofradionuclides.Generalinformationonradioactivityandthemeasurementofradiationhasbeenpublished(11and12).Informationonspecificapplicationofgamma-rayspectrometryisalsoavailableintheliterature(13-16).1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_30
【页数】:8P.;A4
【正文语种】:英语