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ASTM B 598-1998 抗拉试验中确定铜合金偏置屈服强度的标准实施规程

作者:标准资料网 时间:2024-05-03 00:37:00  浏览:9764   来源:标准资料网
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【英文标准名称】:StandardPracticeforDeterminingOffsetYieldStrengthinTensionforCopperAlloys
【原文标准名称】:抗拉试验中确定铜合金偏置屈服强度的标准实施规程
【标准号】:ASTMB598-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:有色金属;铜;铜合金;合金;屈服强度;材料强度;抗拉试验
【英文主题词】:tensiletesting;yieldstrength;copperalloys;strengthofmaterials;alloys;non-ferrousmetals;nonferrousmetals;copper
【摘要】:
【中国标准分类号】:H22
【国际标准分类号】:77_120_30
【页数】:2P;A4
【正文语种】:英语


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【英文标准名称】:Descriptionofnameofcorporatebodiesforinformationinterchange
【原文标准名称】:信息交换用公司机构名称表达方法
【标准号】:JISX0802-1989
【标准状态】:作废
【国别】:日本
【发布日期】:1989-12-01
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonInformationTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:识别方法;机构;研究机构;文献描述;文献目录;企业;信息交流;数据处理
【英文主题词】:organizations;bibliographies;documentdescription;identificationmethods;informationexchange;dataprocessing;researchorganizations;enterprises
【摘要】:この規格は,データ処理システム(以下,システムという。)における書誌参照及びニ次資料の作成に用いる機関名の表記方法について規定する。
【中国标准分类号】:L70
【国际标准分类号】:35_240_30
【页数】:10P;A4
【正文语种】:日语


【英文标准名称】:StandardGuideforConductingStaticAcuteToxicityTestsStartingwithEmbryosofFourSpeciesofSaltwaterBivalveMolluscs
【原文标准名称】:用四种咸水双壳类软体动物幼虫进行的静态急性毒力试验的标准指南
【标准号】:ASTME724-1998(2004)
【标准状态】:现行
【国别】:
【发布日期】:1998
【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】:E47.01
【标准类型】:(Guide)
【标准水平】:()
【中文主题词】:幼虫;试件;污染控制;毒性;农药;危险物质;试验
【英文主题词】:acutetoxicitytest;bivalvemollusclarvae;bivalvemolluscsembryos;bluemussel;Crassostreagigas;Crassostreavirginica;hardclam;Mercenariamercenaria;Mytilusedulis;oyster
【摘要】:Anacutetoxicitytestisconductedtoobtaininformationconcerningtheacuteeffectsofashorttermexposureoforganismstoatestmaterialunderspecificexperimentalconditions.Anacutetoxicitytestdoesnotprovideinformationconcerningwhetherdelayedeffectswilloccur.Becauseembryosandlarvaeareusuallyassumedtobethemostsensitivelifestagesofthesebivalvemolluscspeciesandbecausethesespeciesarecommerciallyandrecreationallyimportant,resultsoftheseacutetestsareoftenconsideredtobeagoodindicationoftheacceptabilityofpollutantconcentrationstosaltwatermolluscanspeciesingeneral.Resultsoftheseacutetoxicitytestsareoftenassumedtobeanimportantconsiderationwhenassessingthehazardofmaterialstoothersaltwaterorganisms(seeGuideE1023)orwhenderivingwaterqualitycriteriaforsaltwaterorganisms(3).Resultsofacutetoxicitytestsmightbeusedtopredictacuteeffectslikelytooccurtoaquaticorganismsinfieldsituationsasaresultofexposureundercomparableconditions,exceptthattoxicitytobenthicspeciesmightdependonsorptionorsettlingofthetestmaterialontothesubstrate.Resultsofacutetestsmightbeusedtocomparetheacutesensitivitiesofdifferentspeciesandtheacutetoxicitiesofdifferenttestmaterials,andtodeterminetheeffectsofvariousenvironmentalfactorsonresultsofsuchtests.Resultsofacutetoxicitytestsmightbeusefulforstudyingbiologicalavailabilityof,andstructureactivityrelationshipsbetween,testmaterials.Resultsofacutetoxicitytestswilldependontemperature,compositionofthedilutionwater,conditionofthetestorganisms,andotherfactors.1.1Thisguidedescribesproceduresforobtaininglaboratorydataconcerningtheacuteeffectsofatestmaterialonembryosandtheresultinglarvaeoffourspeciesofsaltwaterbivalvemolluscs(Pacificoyster,CrassostreagigasThunberg;easternoyster,CrassostreavirginicaGmelin;quahogorhardclam,MercenariamercenariaLinnaeus;andbluemussel,MytilusedulisLinnaeus)duringstatic48-hexposures.Theseprocedureswillprobablybeusefulforconductingstaticacutetoxicitytestsstartingwithembryosofotherbivalvespecies()althoughmodificationsmightbenecessary.1.2Othermodificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingproceduresappropriatetoaparticularspeciesorspecialneedsandcircumstancesismoreimportantthanfollowingprescribedprocedures,resultsoftestsconductedbyusingunusualproceduresarenotlikelytobecomparabletoresultsofmanyothertests.Comparisonofresultsobtainedbyusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconducting48-hacutetestsstartingwithembryosofbivalvemolluscs.1.3Theseproceduresareapplicabletomostchemicals,eitherindividuallyorinformulations,commercialproducts,orknownmixtures.Withappropriatemodificationstheseprocedurescanbeusedtoconductacutetestsontemperature,dissolvedoxygen,andpHandonsuchmaterialsasaqueouseffluents(seealsoGuideE1192),leachates,oils,particulatematter,sediments,andsurfacewaters.Renewaltestsmightbepreferabletostatictestsformaterialsthathaveahighoxygendemand,arehighlyvolatile,arerapidlybiologicallyorchemicallytransformedinaqueoussolution,orareremovedfromtestsolutionsinsubstantialquantitiesbythetestchambersororganismsduringthetest.1.4ResultsofacutetoxicitytestswithembryosofbivalvemolluscsshouldusuallybereportedastheEC50basedonthetotal......
【中国标准分类号】:C05
【国际标准分类号】:
【页数】:21P.;A4
【正文语种】:



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