DIN 10210-1-1974 香料和调料.术语表.第1表
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【英文标准名称】:Spicesandcondiments;nomenclature,firstlist
【原文标准名称】:香料和调料.术语表.第1表
【标准号】:DIN10210-1-1974
【标准状态】:作废
【国别】:德国
【发布日期】:1974-02
【实施或试行日期】:
【发布单位】:德国标准化学会(DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:香料;定义;混合物;食品;术语;词汇;命名;农业
【英文主题词】:terminology;vocabulary;agriculture;spices;nomenclature;foodproducts;mixtures;definitions
【摘要】:
【中国标准分类号】:B36;X44
【国际标准分类号】:67_220_10
【页数】:5P;A4
【正文语种】:德语
【英文标准名称】:StandardGuideforConductingWholeSedimentToxicityTestswithAmphibians
【原文标准名称】:用两栖动物进行整体沉积物毒性试验的标准指南
【标准号】:ASTME2591-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:E47.03
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:两栖纲;动物生物区;生物分析和试验;生物试验;生物水污染物;进行;沉积物;试验;毒性;水质;水质试验
【英文主题词】:amphibian;bioavailability
【摘要】:Whilefederalcriteriaandstatestandardsexistthatdefineacuteandchronicx201C;safex201D;levelsinthewatercolumn,effectslevelsinthesedimentarepoorlydefinedandmaybedependentuponnumerousmodifyingfactors.EvenwhereUSEPArecommendedWaterQualityCriteria(WQC,(35))arenotexceededbywater-borneconcentrations,organismsthatliveinornearthesedimentmaystillbeadverselyaffected(36).Therefore,simplymeasuringtheconcentrationofachemicalinthesedimentorinthewaterisofteninsufficienttoevaluateitsactualenvironmentaltoxicity.Concentrationsofcontaminantsinsedimentmaybemuchhigherthanconcentrationsinoverlyingwater;thisisespeciallytrueofhydrophobicorganiccompoundsaswellasinorganicionsthathaveastrongaffinityfororganicligandsandnegatively-chargedsurfaces.Higherchemicalconcentrationsinsedimentdonot,however,alwaystranslatetogreatertoxicityorbioaccumulation(37),althoughresearchalsosuggeststhatamendingsedimentwithorganicmatteractuallyincreasesthebioaccumulationofcontaminantparticles(38,39).OtherfactorsthatcanpotentiallyinfluencesedimentbioaccumulationandtoxicityincludepHmineralogicalcomposition,acid-volatilesulfide(AVS)andgrainsize(40,41).Laboratorytoxicitytestsprovideadirectandeffectivewaytoevaluatetheeffectsofsedimentcontaminationonenvironmentalreceptorswhileprovidingempiricalconsiderationofallofthephysical,chemicalandbiologicalparametersthatmayinfluencetoxicity.Amphibiansareoftenamajorecosystemcomponentofwetlandsaroundtheworld,howeverlimiteddataareavailableregardingtheeffectsofsediment-boundcontaminantstoamphibians(30-32,41-43).Laboratorystudiessuchastheproceduredescribedinthisstandardareonemeansofdirectlyassessingsedimenttoxicitytoamphibiansinordertoevaluatepotentialecologicalrisksinwetlands.Resultsfromsedimenttestingwiththisproceduremaybeusefulindevelopingchemical-specificsedimentscreeningvaluesforamphibians.Sedimenttoxicitytestcanbeusedtodemonstratethereactionoftestorganismstothespecificcombinationofphysicalandchemicalcharacteristicsinanenvironmentalmedium.Thebioavailabilityofchemicalsisdependentonanumberoffactors,whicharebothsite-specificandmedium-specific.Althoughmanyofthesefactorscanbeestimatedusingequilibriumpartitioningtechniques,itisdifficulttoaccountforallthephysicalandchemicalpropertieswhichcouldpotentiallyaffectbioavailability.Sedimenttoxicitytestsmaybeparticularlyapplicabletoevaluatinghydrophobiccompoundswhichmaynotreadilypartitionintothewatercolumn.SeeTable1forasummaryofadvantagesanddisadvantagesassociatedwithsedimenttoxicitytests.TABLE1AdvantagesandDisadvantagesforUseofSedimentTests(ModifiedfromTestMethodE1706)Advantages
Measurebioavailablefractionofcontaminant(s).
Provideadirectmeasureofeffectsonsediment-associatedreceptors(benthos,larvalamphibians),assumingnofieldadaptationorameliorationofeffects.
Limitedspecialequipmentisrequired.
Methodsarerapidandinexpensive.
Legalandscientificprecedenceexistforuse;USEPAandASTMstandardmethodsandguidesareavai........
【中国标准分类号】:Z12
【国际标准分类号】:13_060_70
【页数】:18P.;A4
【正文语种】:
