NF C52-115-1994 50赫三相干式配电变压器,50Hz,100至2500kVA,设备最大电压不超过36kV.第1部分:一般要求和对所带设备最大电压不超过24kV的变压器的要求
时间:2024-05-19 11:53:58 来源: 标准资料网 作者：标准资料网 阅读：9819
【英文标准名称】:THREE-PHASEDRY-TYPEDISTRIBUTIONTRANSFORMERS50HZ,FROM100TO2500KVA,WITHHIGHESTVOLTAGEFOREQUIPMENTNOTEXCEEDING36KV.PART1:GENERALREQUIREMENTSANDREQUIREMENTSFORTRANSFORMERSWITHHIGHESTVOLTAGEFOREQUIPMENTNOTEXCEEDING24KV.
【原文标准名称】:50赫三相干式配电变压器,50Hz,100至2500kVA,设备最大电压不超过36kV.第1部分:一般要求和对所带设备最大电压不超过24kV的变压器的要求
【标准号】:NFC52-115-1994
【标准状态】:作废
【国别】:法国
【发布日期】:1994-02
【实施或试行日期】:1994-01-20
【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】:
【英文主题词】:
【摘要】:
【中国标准分类号】:K41
【国际标准分类号】:
【页数】:17P;A4
【正文语种】:其他
【英文标准名称】:TestMethodsforDeterminingAerobicBiodegradationofRadiolabeledPlasticMaterialsinan(A)Aqueousor(B)CompostEnvironment
【原文标准名称】:在水和堆肥环境中测定放射性同位素塑料氧化降解的方法
【标准号】:ANSI/ASTMD6340-1998
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【实施或试行日期】:1999-02-10
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:试验;堆肥处理(废弃物);污水;生物降解能力;塑料
【英文主题词】:plastics;testing;sewage;biodegradability;composting(waste)
【摘要】:Thesetestmethodsdirectlydeterminetherateanddegreeofbiologicaloxidationofcarboninplasticmaterialswhenplacedinacompostingenvironmentcontainingsimulatedmunicipalsolidwasteoranaqueousenvironmentunderlaboratoryconditions.TestMethodAutilizesamixedculturederivedfromthetargetenvironment(wastewater,sewagesludge,composteluant,andotherenvironmentalsources).Temperature,mixing,andaerationaremonitoredandcontrolled.Thismethodhasthesensitivitytodeterminebiodegradationatconcentrationscommonlyfoundintheseenvironments.TestMethodBstartswithfreshcompostandproceedsthroughthenormalcompostingprocesstoanearlymaturestage.Temperature,aeration;andmoisturearemonitoredandcontrolled.Thismethodcandeterminebiodegradationatlevelsoftheplasticcommonlyexpectedinmunicipalsolidwaste.Thesetestmethodsrequirethatthetargetcomponentoftheplasticmaterialbesynthesizedusingtheradioactiveisotopecarbon-14.Dependingupontheobjective,eitheraportionofthecomponentsoftheplasticorallofthecarboncanbeuniformlylabeledwithcarbon-14.Thetestmethodwilldeterminehowthatlabeledportionwillbemetabolizedandbiologicallyoxidizedbythemicroorganismsinthesystemtested.Thesetestmethodscanbeappliedtoanycarbon-14labeledcompoundaswellasforplasticmaterialsthathavebeenformulatedtobiodegradeinanaturalaerobicenvironment.Thesynthesisandpreparationoftheradiolabledplasticisbeyondthescopeofthesemethods.Carbon-14labeledpolymersmaybepurchasedfromanumberofcommerciallabs.TherearenoISOtestmethodsthatareequivalenttothetestmethodsinthisstandard.Thesafetyproblemsassociatedwithcompostandradioactivityarenotaddressedinthisstandard.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】:
【正文语种】:英语
【英文标准名称】:Specificationforfiremen'sleatherboots
【原文标准名称】:消防人员的皮靴规范
【标准号】:BS2723-1956
【标准状态】:作废
【国别】:英国
【发布日期】:1956-02-28
【实施或试行日期】:1956-02-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:化学成分;缝纫;耐水性试验;缝合;靴;尺寸;皮革制品;作标记;鞋号;消防人员;鞋靴;收缩性试验;消防设备;防护鞋靴;防护服装;拉条;无螺纹紧固件;设计
【英文主题词】:
【摘要】:Specifiesrequirementsformaterials,design,construction,manufactureandwater-proofnessofhandandmachineclosedboots.Methodsoftestaredealtwithinappendices.
【中国标准分类号】:C85
【国际标准分类号】:13_340_50
【页数】:16P;A4
【正文语种】:英语