DIN 26054-2008 化学产品用非金属螺纹软管组件
时间:2024-05-04 04:45:24 来源: 标准资料网 作者：标准资料网 阅读：8081
【英文标准名称】:Non-metalliccorrugatedhoseassembliesforchemicalproducts
【原文标准名称】:化学产品用非金属螺纹软管组件
【标准号】:DIN26054-2008
【标准状态】:现行
【国别】:德国
【发布日期】:2008-05
【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】:装箱;耐化学性;化学物质;化学制品;波纹状的;设计;名称与符号;尺寸;电性能;气体的生成;软管组件;软管;作标记;材料;连接方式;安装;非金属的;物理性能;管道;特性;电阻率;槽罐设备;测试;波形
【英文主题词】:Casing;Chemicalresistance;Chemicalsubstances;Chemicals;Corrugated;Design;Designations;Dimensions;Electricalproperties;Gasproduction;Hoseassemblies;Hoses;Marking;Materials;Modeofconnection;Mounting;Nonmetallic;Physicalproperties;Pipelines;Properties;Resistivity;Tankinstallations;Testing;Waveforms
【摘要】:
【中国标准分类号】:G42
【国际标准分类号】:23_040_70
【页数】:17P.;A4
【正文语种】:德语
【英文标准名称】:StandardGuideforConductingAcuteToxicityTestsonAqueousAmbientSamplesandEffluentswithFishes,Macroinvertebrates,andAmphibians
【原文标准名称】:鱼类、大型无脊椎动物和两栖动物身上流出的含水物质进行剧毒试验的标准指南
【标准号】:ASTME1192-1997(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1997
【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】:
【英文主题词】:acutetoxicity;ambientsamples;amphibians;EC50;effluents;freshwaterfishes;freshwaterinvertebrates;LC50;saltwaterfishes;saltwaterinvertebrates;Lifecycle(ofaquaticorganisms);Macroinvertebrates;Samplingwateranalysisapplications;
【摘要】:Anacuteeffluenttoxicitytestisconductedtoobtaininformationconcerningtheimmediateeffectsontestorganismsofashort-termexposuretoaneffluentunderspecificexperimentalconditions.Onecandirectlyexamineacuteeffectsofcomplexmixturesofchemicalsasoccursineffluentsandsomeambientwaters.Acuteeffluenttoxicitytestscanbeusedtoevaluatethepotentialfordesignated-useoraquaticlifeimperimentinthereceivingstream,lake,orestuary.Anacutetoxicitytestdoesnotprovideinformationaboutwhetherdelayedeffectswilloccur,althoughapost-exposureobservationperiod,withappropriatefeedingifnecessary,mightprovidesuchinformation.Resultsofacuteeffluenttestsmightbeusedtopredictacuteeffectslikelytooccuronaquaticorganismsinfieldsituationsasaresultofexposureundercomparableconditions,exceptthat(1)motileorganismsmightavoidexposurewhenpossible,(2)toxicitytobenthicspeciesmightbedependentonsorptionorsettlingofcomponentsoftheeffluentontothesubstrate,and(3)theeffluentmightphysicallyorchemicallyinteractwiththereceivingwater.Resultsofacuteeffluenttestsmightbeusedtocomparetheacutesensitivitiesofdifferentspeciesandtheacutetoxicitiesofdifferenteffluents,andtostudytheeffectsofvariousenvironmentalfactorsonresultsofsuchtests.Acutetestsareusuallythefirststepinevaluatingtheeffectsofaneffluentonaquaticorganisms.Resultsofacuteeffluenttestswilldependonthetemperature,compositionofthedilutionwater,conditionofthetestorganisms,exposuretechnique,andotherfactors.1.1Thisguidecoversproceduresforobtaininglaboratorydataconcerningtheadverseeffectsofanaqueouseffluentoncertainspeciesoffreshwaterandsaltwaterfishes,macroinvertebrates,andamphibians,usuallyduring2to4-dayexposures,dependingonthespecies,usingthestatic,renewal,andflow-throughtechniques.Theseprocedureswillprobablybeusefulforconductingacutetoxicitytestsonaqueouseffluentswithmanyotheraquaticspecies,althoughmodificationsmightbenecessary.1.2Othermodificationsoftheseproceduresmightbejustifiedbyspecialneedsorcircumstances.Althoughusingappropriateproceduresismoreimportantthanfollowingprescribedprocedures,resultsoftestsconductedusingunusualproceduresarenotlikelytobecomparabletoresultsofmanyothertests.Comparisonofresultsobtainedusingmodifiedandunmodifiedversionsoftheseproceduresmightprovideusefulinformationconcerningnewconceptsandproceduresforconductingacutetoxicitytestsonaqueouseffluents.1.3ThisguideisbasedinlargepartonGuideE729.Themajordifferencesbetweenthetwoguidesare(1)themaximumtestconcentrationis100%effluentorambientsample,(2)testingisnotchemicalspecific,and(3)theholdingtimeofeffluentandambientsamplesisoftenconsiderablylessthanthatforchemicalsandothertestmaterials.Becausethesampleisoftenacomplexmixtureofchemicals,analyticaltestscannotgenerallybeusedtoconfirmexposureconcentrations.1.4Selectionofthetechniquetobeusedinaspecificsituationwilldependupontheneedsoftheinvestigatoranduponavailableresources.Statictestsprovidethemosteasilyobtainedmeasureofacutetoxicity,butshouldnotlastlongerthan48h.Renewalandflow-throughtestsmaylastlongerthan48hbecausethepHandconcentrationsofdissolvedoxygenandeffluentaremaintainedatdesiredlevelsanddegradationand......
【中国标准分类号】:Z19
【国际标准分类号】:13_060_70
【页数】:14P.;A4
【正文语种】:英语
Product Code:SAE AS172201
Title:Washer, Key-Single, Bearing Retaining, Ams 8350 (Asg)
Issuing Committee:E-25 General Standards For Aerospace And Propulsion Systems
Scope:No scope available.