ANSI C57.12.22-1993 带高压套管容量不大于2500千伏安安装在基座上的间隔式自冷三相配电变压器用美国国家标准.高压不大于34500Y接地/19920伏、低压不大于480伏

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【英文标准名称】:AmericanNationalStandardforTransformers—Pad-Mounted,Compartmental-Type,Self-CooledThree-PhaseDistributionTransformersWithHigh-VoltageBushings,2500kVAandSmaller:HighVoltage,34500GrdY/19920VoltsandBelow;LowVoltage,480VoltsandBe
【原文标准名称】:带高压套管容量不大于2500千伏安安装在基座上的间隔式自冷三相配电变压器用美国国家标准.高压不大于34500Y接地/19920伏、低压不大于480伏
【标准号】:ANSIC57.12.22-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993-07
【实施或试行日期】:
【发布单位】:美国国家标准学会(US-ANSI)
【起草单位】:ANSI
【标准类型】:()
【标准水平】:()
【中文主题词】:
【英文主题词】:
【摘要】:Thisstandardisintendedforuseasabasisfordeterminingperformance,interchangeability,andsafetyoftheequipmentcovered,andtoassistintheproperselectionofsuchequipment.Thisstandardcoverscertainelectrical,dimensional,andmechanicalcharacteristicsandtakesintoconsiderationcertainsafetyfeaturesofthree-phase,60Hz.,mineral-oil-immersed,self-cooled,padmounted,compartmental-typedistributiontransformerswithhigh-voltagebushings.Thesetransformersarerated2500kVAandsmaller,withhighvoltagesof34500GrdY/19920voltsandbelow,andwithlowvoltagesof480voltsandbelow.Thesetransformersaregenerallyusedforstep-downpurposesfromanundergroundprimarycablesupply.NOTE—RefertolatestfederalregulationsconcerningPCBcontaminationintransformers.Thisstandardcoversthebushingandterminalarrangementsforradialfeedsystems.Eithercertainminimumdimensions(seefigures1-3)orcertainspecificdimensions(seefigures4-6)shallbespecified.Thisstandarddoesnotcovertheelectricalandmechanicalrequirementsofanyaccessorydevicesthatmaybesuppliedwiththetransformer.
【中国标准分类号】:K41
【国际标准分类号】:
【页数】:24P.;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforUsingtheDisposableEnCoreSamplerforSamplingandStoringSoilforVolatileOrganicAnalysis
【原文标准名称】:用一次性芯取样器取样和储存土壤分析挥发性有机化合物的标准实施规程
【标准号】:ASTMD6418-2004
【标准状态】:现行
【国别】:
【发布日期】:2004
【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】:D34.01.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:可处置的;挥发物测定;采样器;取样;存储;芯;土壤
【英文主题词】:EnCoresampler;soilsampling;storageofsoilsamples;volatileorganiccompounds(VOCs);VOCanalysis
【摘要】:1.1Thispracticeisintendedforapplicationtosoilsthatmaycontainvolatilewasteconstituents.1.2ThispracticeprovidesaprocedureforusingthedisposableEnCoresamplertocollectandstoreasoilsampleforvolatileorganicanalysis.1.3ItisrecommendedthatthisstandardbeusedinconjunctionwithPracticeD4547andGuideD4687.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ASTMtakesnopositionrespectingthevalidityofanypatentrightsassertedinconnectionwithanyitemmentionedinthisstandard.Usersofthisstandardareexpresslyadvisedthatdeterminationofthevalidityofanysuchpatentrights,andtheriskofinfringementofsuchrights,areentirelytheirownresponsibility.
【中国标准分类号】:Z18
【国际标准分类号】:13_080_10(CHEMICALCHARACTERISTICSOFSOIL)
【页数】:14P.;A4
【正文语种】:


Product Code:SAE AMS5768
Title:Alloy, Corrosion and Heat Resistant, Bars, Wire, Forgings, and Rings, 21Cr - 20Ni - 20Co - 3.0Mo - 2.5W - 1.0Cb - 0.15N - 31Fe, Solution and Precipitation Heat Treated
Issuing Committee:Ams F Corrosion Heat Resistant Alloys Committee
Scope:This specification covers a corrosion and heat resistant iron-chromium-nickel-cobalt alloy in the form of bars, wire, forgings, flash welded rings, and stock for forging, flash welded rings, or heading.