NF S91-211-2-2010 牙科.水性胶.第2部分:改良树脂胶

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【英文标准名称】:Dentistry-Water-basedcements-Part2:resin-modifiedcements.
【原文标准名称】:牙科.水性胶.第2部分:改良树脂胶
【标准号】:NFS91-211-2-2010
【标准状态】:现行
【国别】:法国
【发布日期】:2010-06-01
【实施或试行日期】:2010-06-26
【发布单位】:法国标准化协会(FR-AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:分类;定义;牙科的;牙齿粘结剂;牙科材料;牙科学;说明书;处理;材料规范;规范(验收);试验
【英文主题词】:Classification;Definitions;Dental;Dentalcements;Dentalmaterials;Dentistry;Instructions;Marking;Materialsspecification;Specification(approval);Testing
【摘要】:
【中国标准分类号】:C33
【国际标准分类号】:11_060_10
【页数】:29P;A4
【正文语种】:其他


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【英文标准名称】:StandardGuideforDeterminationofNeptunium-237inSoil
【原文标准名称】:土壤中镎237检测的标准指南
【标准号】:ASTMC1475-2005(2010)e1
【标准状态】:现行
【国别】:美国
【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】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:alphaspectroscopy;americium-243;betacounting;extractionchromatography;gamma-rayspectroscopy;neptunium-239;neptunium-237determination;soilanalysis;Soil(radioactiveanalysis);Neptunium-237
【摘要】:Asoilsamplingandanalysisprogramprovidesadirectmeansofdeterminingtheconcentrationanddistributionofradionuclidesinsoil.Thepresenceandextentofneptunium-237isofparticularinterestbecauseitisoneofthemoremobiletransuranicsintermsofmigrationandplantuptake.Sincesoilisanintegratorandareservoironlong-livedradionuclides,andservesasanintermediaryinseveralpathwaysofpotentialimportancetohumans,knowledgeoftheconcentrationofneptunium-237insoilisessential.1.1Thisguidecoversthedeterminationofneptunium-237insoilbymeansofradiochemicalseparationsandalphaspectrometry.Thisguideprovidesoptionsintheselectionofsamplepreparation,separation,andmeasurement.Althoughneptunium-237isnotacomponentofglobalfallout,itisaproductofproductionreactorsandspentfuelprocessing.ThisguideisdesignedforanalysisoftengramsofsoilpreviouslycollectedandtreatedinaccordancewithPracticesC998andC999.Larger-sizesamplesofenvironmentalsoilmayalsobeanalyzed,aslongastheconcentrationsofinterferencessuchasuraniumandthoriumareatornearenvironmentalconcentrations.Dependingonthechoiceofasampledissolutionmethod,allchemicalformsofneptuniummaynotbecompletelysolubilized.Thisguideshouldallowthedeterminationofneptunium-237concentrationsfromsubbecquerelpergramlevelstoapplicablestandardsdependingoncounttime,samplesize,detectorefficiency,background,andtraceryield.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecificprecautionarystatementsaregiveninSection8.
【中国标准分类号】:Z33
【国际标准分类号】:13_080_10
【页数】:4P.;A4
【正文语种】:英语


【英文标准名称】:Film8mmtypeS;projectedimageareafortelevision;aspectratio1,33:1
【原文标准名称】:8mm电影胶片.图象尺寸.电视用8S胶片放象.图象宽高比为1.33∶1
【标准号】:DIN15852T.5-1982
【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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