DIN 50018-1988 含二氧化硫大气在变化气候下冷凝水的检验
时间:2024-05-18 07:11:16 来源: 标准资料网 作者：标准资料网 阅读：8510
【英文标准名称】:Testinginasaturatedatmosphereinthepresenceofsulfurdioxide
【原文标准名称】:含二氧化硫大气在变化气候下冷凝水的检验
【标准号】:DIN50018-1988
【标准状态】:作废
【国别】:德国
【发布日期】:1988-06
【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】:样本;试验条件;材料;气候;耐腐蚀性;气候荷载;防腐蚀;大气;试验大气环境;冷凝;试验;定义;气候试验;腐蚀试验;二氧化硫;腐蚀;大气腐蚀;大气凝结
【英文主题词】:
【摘要】:
【中国标准分类号】:A47
【国际标准分类号】:1070
【页数】:4P;A4
【正文语种】:德语
【英文标准名称】:Photography-Photographicmaterials-DeterminationofISOresolvingpower
【原文标准名称】:摄影.照像材料.ISO分辨率的测定
【标准号】:BSISO6328-2000
【标准状态】:现行
【国别】:英国
【发布日期】:2000-06-15
【实施或试行日期】:2000-06-15
【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】:彩色反转片;负片(摄影);彩色印刷;单色摄影胶片;摄影;分辨率测定;相纸;照相干版;摄影材料;单色摄影;摄影胶片
【英文主题词】:Definition;Definitions;Determination;Dissolution;Photographicmaterials;Photography;Resolvingpowerdetermination;Testing;Tests
【摘要】:ThisInternationalStandardspecifiesamethodfordeterminingtheresolvingpowerofphotographicfilms,platesandpapers,includingblack-and-whitefilms,black-and-whiteprintingpapers,colour-reversalfilms,colour-negativefilms,andcolour-printingpapers.MaterialsdesignedforX-rayandotherhigh-energyradiationareexcluded,asarephotographicmaterialsusedinmedicalradiographywheretheexposuresourceisanintensifyingscreenincontactwiththefilm(sensitizedononeortwosides).Alsoexcludedarematerialshavingphoto-polymer,diazo,etc.light-sensitivelayers.
【中国标准分类号】:G81
【国际标准分类号】:37_040_20
【页数】:24P.;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodsforDeterminingAerobicBiodegradationofRadiolabeledPlasticMaterialsinanAqueousorCompostEnvironment
【原文标准名称】:在含水或合成环境中测定放射性标记塑料材料的需氧生物降解性的标准试验方法
【标准号】:ASTMD6340-1998(2007)
【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】:D20.96
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:堆肥处理(废弃物);需氧生物降解;堆肥环境;试验;程度;生物降解能力;塑料;比例;碳;含水环境;生物氧化;污水;放射性标记;城市固体废物;塑料材料
【英文主题词】:
【摘要】:Thesetestmethodscanprovidedirectandunequivocalevidenceofaerobicbiodegradability.ThisrequiresthattheradiochemicalpurityoftheplasticisverifiedusingTestMethodD5296.Thesemethodsalsoprovidetheopportunitytodeterminetherateofbiologicaloxidationinacompletecompostingenvironmentoraqueousenvironmentbyfrequentperiodicsamplingofcarbondioxide.Thesemethodsprovidebiodegradationdataatuselevelsoftheplasticinafullcyclecompostingprocessoranaqueoussystem.1.1Thesetestmethodsdirectlydeterminetherateanddegreeofbiologicaloxidationofcarboninplasticmaterialswhenplacedinacompostingenvironmentcontainingsimulatedmunicipalsolidwasteoranaqueousenvironmentunderlaboratoryconditions.1.2TestMethodAutilizesamixedculturederivedfromthetargetenvironment(wastewater,sewagesludge,composteluant,andotherenvironmentalsources).Temperature,mixing,andaerationaremonitoredandcontrolled.1.2.1Thismethodhasthesensitivitytodeterminebiodegradationatconcentrationscommonlyfoundintheseenvironments.1.3TestMethodBstartswithfreshcompostandproceedsthroughthenormalcompostingprocesstoanearlymaturestage.Temperature,aeration;andmoisturearemonitoredandcontrolled.1.3.1Thismethodcandeterminebiodegradationatlevelsoftheplasticcommonlyexpectedinmunicipalsolidwaste.1.4Thesetestmethodsrequirethatthetargetcomponentoftheplasticmaterialbesynthesizedusingtheradioactiveisotopecarbon-14.Dependingupontheobjective,eitheraportionofthecomponentsoftheplasticorallofthecarboncanbeuniformlylabeledwithcarbon-14.Thetestmethodwilldeterminehowthatlabeledportionwillbemetabolizedandbiologicallyoxidizedbythemicroorganismsinthesystemtested.1.5Thesetestmethodscanbeappliedtoanycarbon-14labeledcompoundaswellasforplasticmaterialsthathavebeenformulatedtobiodegradeinanaturalaerobicenvironment.1.6Thesynthesisandpreparationoftheradiolabledplasticisbeyondthescopeofthesemethods.Carbon-14labeledpolymersmaybepurchasedfromanumberofcommerciallabs.1.7TherearenoISOtestmethodsthatareequivalenttothetestmethodsinthisstandard.1.8Thesafetyproblemsassociatedwithcompostandradioactivityarenotaddressedinthisstandard.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpractices.Itisalsoincumbentontheusertoconformtoalltheregulatoryrequirements,specificallythosethatrelatetotheuseofopenradioactivesources.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G31
【国际标准分类号】:13_030_40
【页数】:7P.;A4
【正文语种】: