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ASTM C1473-2005 α光谱测定法放化测定尿中铀同位素的标准试验方法

作者:标准资料网 时间:2024-05-03 19:13:10  浏览:8544   来源:标准资料网
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【英文标准名称】:StandardTestMethodforRadiochemicalDeterminationofUraniumIsotopesinUrinebyAlphaSpectrometry
【原文标准名称】:α光谱测定法放化测定尿中铀同位素的标准试验方法
【标准号】:ASTMC1473-2005
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:测定;α射线光谱测定法;试验方法;光谱测定法;铀同位素;尿液检验;放射性同位素
【英文主题词】:alphaspectrometry;ionexchangeseparation;uranium;urine
【摘要】:Thistestmethodisusedtodetectpossibleexposurestouraniumisotopesfromoccupationaloperations.1.1Thistestmethodisapplicabletothedeterminationofuraniuminurineatlevelsofdetectiondependentonsamplesize,counttime,detectorefficiency,background,andtraceryield.Itisdesignedasascreeningtoolfordetectionofpossibleexposureofoccupationalworkers.1.2Thistestmethodisdesignedfor50mLofurine.Thistestmethoddoesnotaddressthesamplingprotocolorsamplepreservationmethodsassociatedwithitsuse.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:F80
【国际标准分类号】:11_100
【页数】:4P.;A4
【正文语种】:


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【英文标准名称】:Packagingcode.Guidanceonwoodenboxes,casesandcrates
【原文标准名称】:包装规范.木箱,木盒和木条箱指导
【标准号】:BS1133-8-2011
【标准状态】:现行
【国别】:英国
【发布日期】:2011-12-31
【实施或试行日期】:2011-12-31
【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】:
【英文主题词】:Battens;Boxes;Bulkstoragecontainers;Cases;Containers;Crates;Density;Design;Fasteners;Grades(quality);Graphicsymbols;Hardwoods;Industrial;Materialshandlingcomponents;Moisture;Nailing;Packages;Packaging;Packingcases;Plywood;Safeworkingload;Sawntimber;Softwoods;Stapling;Straps;Strengthofmaterials;Wood;Woodpreservatives;Woodbasedsheetmaterials
【摘要】:ThispartofBS1133providesguidanceformanufacturers,usersandspecifiersofwoodenboxes,casesandcratesforindustrial,defenceandothercommercialapplications.Thisdocumentcontainsguidanceonwoodspecies,sheetmaterialsandfasteningslikelytobeencounteredbyUKmanufacturersorexportpackersandgivesguidanceonthedesignof:a)industrial,defenceandcommercialcasesandcrates;b)rangesofsmallersawnwoodboxesforgeneraluse;c)rangesofplywoodandwood-basedsheetboxesandcases;d)plywoodcasesofmetaledgeconstruction;e)wireboundboxes,cratesandcases;f)warehousestoragecontainers.ThisBritishStandardalsogivesbriefguidanceonsustainabilityandrecycling.
【中国标准分类号】:A82
【国际标准分类号】:55_160
【页数】:123P.;A4
【正文语种】:英语


【英文标准名称】:StandardGuideforConductingTerrestrialPlantToxicityTests
【原文标准名称】:陆上植物毒性试验的标准指南
【标准号】:ASTME1963-2002
【标准状态】:现行
【国别】:
【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】:E47.02
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:
【英文主题词】:planttoxicitytests;terrestrialplant;wildlife
【摘要】:Terrestrialphytotoxicitytestsareusefulinassessingtheeffectsofenvironmentalsamplesorspecificchemicalsasapartofanecologicalriskassessment(3-6,12,13).Thoughinferencesregardinghigher-orderecologicaleffects(population,community,orlandscape)maybemadefromtheresults,thesetestsevaluateresponsesofindividualsofoneormoreplantspeciestothetestsubstance.Thisguideisapplicablefor:(a)establishingphytotoxicityoforganicandinorganicsubstances;(b)determiningthephytotoxicityofenvironmentalsamples;(c)determiningthephytotoxicityofsludgesandhazardouswastes,(d)assessingtheimpactofdischargeoftoxicantstoland,and(e)assessingtheeffectivenessofremediationefforts.1.1Thisguidecoverspracticesforconductingplanttoxicitytestsusingterrestrialplantspeciestodetermineeffectsoftestsubstancesonplantgrowthanddevelopment.Specifictestproceduresarepresentedinaccompanyingannexes.1.2Terrestrialplantsarevitalcomponentsofecologicallandscapes.Thepopulationsandcommunitiesofplantsinfluencethedistributionandabundanceofwildlife.Obviously,plantsarethecentralfocusofagriculture,forestry,andrangelands.Toxicitytestsconductedundertheguidelinesandannexespresentedhereincanprovidecriticalinformationregardingtheeffectsofchemicalsontheestablishmentandmaintenanceofterrestrialplantcommunities.1.3Toxicsubstancesthatpreventorreduceseedgerminationcanhaveimmediateandlargeimpactstocrops.Innaturalsystems,manydesiredspeciesmaybesensitive,whileotherspeciesaretolerant.Suchselectivepressurecanresultinchangesinspeciesdiversity,populationdynamics,andcommunitystructurethatmaybeconsideredundesirable.Similarly,toxicsubstancesmayimpairthegrowthanddevelopmentofseedlingsresultingindecreasedplantpopulations,decreasedcompetitiveabilities,reducedreproductivecapacity,andloweredcropyield.Forthepurposesofthisguide,testsubstancesincludepesticides,industrialchemicals,sludges,metalsormetalloids,andhazardouswastesthatcouldbeaddedtosoil.Italsoincludesenvironmentalsamplesthatmayhavehadanyofthesetestsubstancesincorporatedintosoil.1.4Terrestrialplantsrangefromannuals,capableofcompletingalife-cycleinaslittleasafewweeks,tolong-livedperennialsthatgrowandreproduceforseveralhundredsofyears.Procedurestoevaluatechemicaleffectsonplantsrangefromshort-termmeasuresofphysiologicalresponses(forexample,chlorophyllfluorescence)tofieldstudiesoftreesoverseveralyears.Researchanddevelopmentofstandardizedplanttestshaveemphasizedthreecategoriesoftests:(1)short-term,physiologicalendpoints(thatis,biomarkers);(2)short-termtestsconductedduringtheearlystagesofplantgrowthwithseveralendpointsrelatedtosurvival,growth,anddevelopment;and(3)life-cycletoxicityteststhatemphasizereproductivesuccess.1.5Thisguideisarrangedbysectionsasfollows:SectionTitle1Scope2ReferencedDocuments3Terminology4SummaryofPhytotoxicityTests5SignificanceandUse6Apparatus7TestMaterial8Hazards9TestOrganisms10SampleHandlingandStorage11CalibrationandStandardization12TestConditions......
【中国标准分类号】:
【国际标准分类号】:07_100_99
【页数】:21P.;A4
【正文语种】:



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