NF C32-025/A2-2001 电缆的绝缘和护套材料.通用试验方法.第1部分:一般应用.第2节:热老化法

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【英文标准名称】:Insulatingandsheathingmaterialsofelectriccables-Commontestmethods-Part1:generalapplication-Section2:thermalageingmethods.
【原文标准名称】:电缆的绝缘和护套材料.通用试验方法.第1部分:一般应用.第2节:热老化法
【标准号】:NFC32-025/A2-2001
【标准状态】:现行
【国别】:法国
【发布日期】:2001-05-01
【实施或试行日期】:2001-05-20
【发布单位】:法国标准化协会(AFNOR)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:烘炉;老化性能;绝缘材料;电线;聚合材料;热的;绝缘;热稳定性;绝缘线;高聚物;检验;护套电缆;电缆护套;电缆;电缆;绝缘电缆;电气工程;规范(验收);试验设备;热试验;试验;材料;包覆材料;老化;老化试验;电绝缘材料
【英文主题词】:
【摘要】:
【中国标准分类号】:K13
【国际标准分类号】:29_035_01
【页数】:8P;A4
【正文语种】:其他


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【英文标准名称】:StandardTestMethodforDeterminingAnaerobicBiodegradationPotentialofOrganicChemicalsUnderMethanogenicConditions
【原文标准名称】:测定产甲烷条件下有机化合物厌氧性生物降解潜能的标准试验方法
【标准号】:ASTME2170-2001(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:2001
【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】:E47.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Anaerobicsewagetreatment;Biodegradation;Inoculumprocessing;Methanogenicenvironments;Organicchemicals
【摘要】:Biodegradationisanimportantprocessfortheremovalofmanychemicalsubstancesinanaerobicenvironments.Inmethanogenicenvironments,thisprocessinvolvesdissimilationtocarbondioxideandmethane.Thistestmethodhasbeendevelopedtoscreenorganicchemicalsforanaerobicbiodegradationpotentialundermethanogenicconditions,wherethereisnoingressofoxygen.Ahigh-biodegradabilityresultinthistestmethodisgoodevidencethatthetestsubstancewillbebiodegradableinwastetreatmentplantanaerobicdigestersandinmanynaturalenvironments.Conversely,alow-biodegradationresultmayhavecausesotherthanpoorbiodegradabilityofthetestsubstance.Inhibitionofthemicrobialinoculumbythetestsubstancemayhaveoccurredattheconcentrationstested,orconditionsinthetestmayhavebeeninappropriateforthedevelopmentofanacclimatedmicrobialpopulation.Toxicityshouldbesuspectedwhenthegasproductionintheblanksexceedsthatinthetestvessels.Insuchcases,furtherworkisneededtoassesstheanaerobicbiodegradationpotentialofthechemical.Anestimateoftheexpectedenvironmentalconcentrationwillhelptoputanyobservedtoxiceffectsintoperspective.1.1Thistestmethodcoversscreeningproceduresforthedeterminingthebiodegradationpotentialoforganicchemicalsundermethanogenicconditionsusinganinoculumfromanaerobicsewagetreatment.Theconditionsdescribedinthistestmethodarenotnecessarilyoptimalforbiodegradation,sinceitinvolvesadiluteinoculumandarelativelyhighconcentrationoftestchemical.1.2Thetestmethodisapplicabletomostorganicchemicals,assumingthattheycanbeaccuratelydosedintothetestsystems.Thetestisnotapplicabletochemicalsthatareinhibitoryattheconcentrationusedinthetestorthosewhosevolatilitygeneratessignificantheadpressureinthetestvessels.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection8.
【中国标准分类号】:Z04
【国际标准分类号】:13_060_70
【页数】:5P.;A4
【正文语种】:英语