SJ/T 10945-1996 电真空器件用刚玉粉牌号命名方法
作者:标准资料网 时间:2024-05-20 05:19:47 浏览:8043
来源:标准资料网
基本信息
| 标准名称： | 电真空器件用刚玉粉牌号命名方法 |
| 英文名称： | Type designation system for alundum powder for vacuum tubes |
| 中标分类： |
综合 >>
标准化管理与一般规定 >>
技术管理 |
| 替代情况： | 原标准号GB 9490-88 |
| 发布日期： | 1996-11-20 |
| 实施日期： | 1997-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 出版日期： | 1900-01-01 |
| 页数： | 1页 |
适用范围
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前言
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引用标准
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所属分类： 综合 标准化管理与一般规定 技术管理
【英文标准名称】:StandardPracticeforthePredictionofContaminantAdsorptionOnGACInAqueousSystemsUsingRapidSmall-ScaleColumnTests
【原文标准名称】:用快速小刻度柱试验预测含水系统中GAC杂质吸附作用的标准实施规范
【标准号】:ASTMD6586-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D28.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:污染物;表面吸附;柱;标度
【英文主题词】:activatedcarbon;columntesting;granularactivatedcarbon;RSSCT;
【摘要】:Granularactivatedcarbon(GAC)iscommonlyusedtoremovecontaminantsfromwater.Howeverifnotusedproperly,GACcannotonlybeexpensivebutcanattimesbeineffective.Thedevelopmentofengineeringdataforthedesignoffull-scaleadsorbersoftenrequirestime-consumingandexpensivepilotplantstudies.Thisrapidstandardpracticehasbeendevelopedtopredictadsorptioninlarge-scaleadsorbersbaseduponresultsfromsmallcolumntesting.Incontrasttopilotplantstudies,thesmall-scalecolumntestpresentedinthispracticedoesnotallowforarunningevaluationoffactorsthatmayaffectGACperformanceovertime.Suchfactorsmayinclude,forexample,anincreasedremovaloftargetcompoundsbybacterialcolonizingGAC3orlongtermfoulingofGACcausedbyinorganiccompoundsorbackgroundorganicmatter4.Nevertheless,thispracticeoffersmorerelevantoperationaldatathanisothermtestingwithouttheprincipaldrawbacksofpilotplantstudies,namelytimeandexpense;andunlikepilotplantstudies,smallscalestudiescanbeperformedinalaboratoryusingwatersampledfromaremotelocation.Thispracticeknownastherapidsmall-scalecolumntest(RSSCT)usesemptybedcontacttime(EBCT)andhydraulicloadingtodescribetheadsorptionprocess.MeancarbonparticlediameterisusedtoscaleRSSCTresultstopredicttheperformanceofafull-scaleadsorber.Thispracticecanbeusedtocomparetheeffectivenessofdifferentactivatedcarbonsfortheremovalofcontaminantsfromacommonwaterstream.1.1Thispracticecoversatestmethodfortheevaluationofgranularactivatedcarbon(GAC)fortheadsorptionofsolublepollutantsfromwater.Thispracticecanbeusedtoestimatetheoperatingcapacitiesofvirginandreactivatedgranularactivatedcarbons.Theresultsobtainedfromthesmall-scalecolumntestingcanbeusedtopredicttheadsorptionoftargetcompoundsonGACinalargecolumnorfullscaleadsorberapplication.1.2Thispracticecanbeappliedtoalltypesofwaterincludingsyntheticallycontaminatedwater(preparedbyspikinghighpuritywaterwithselectedcontaminants),potablewaters,industrialwastewaters,sanitarywastesandeffluentwaters.1.3Thispracticeisusefulforthedeterminationofbreakthroughcurvesforspecificcontaminantsinwater,thedeterminationofthelengthsoftheadsorbatesmasstransferzones(MTZ)andthepredictionofGACusageratesforlargerscaleadsorbers.1.4Thefollowingsafetycaveatappliestotheproceduresection,Section10,ofthispractice:Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:Z16
【国际标准分类号】:71_040_30;71_100_80
【页数】:6P.;A4
【正文语种】:
【英文标准名称】:ULStandardforSafetyAutomatedTellerSystemsFifthEdition;ReprintwithRevisionthroughandincluding10/20/2006
【原文标准名称】:自动对讲系统
【标准号】:UL291-2001
【标准状态】:作废
【国别】:美国
【发布日期】:2001-05-28
【实施或试行日期】:
【发布单位】:美国保险商实验所(US-UL)
【起草单位】:UL
【标准类型】:()
【标准水平】:()
【中文主题词】:监视装置;保护设备;安全系统;银行业务;财务交易;自动化系统;设计
【英文主题词】:automationsystems;safetysystems;bankoperations;protectiondevices;design;monitoringdevice;financialtransactions
【摘要】:Theserequirementscovertheconstructionandsecurityofequipmentintendedtoautomaticallydispensecurrencywhenoperatedasintendedbyanauthorizedcustomer,andtoprovidealimiteddegreeofprotectionagainstunauthorizedremovalofcurrency.Iftheproductalsoreceivesdeposits,thesamedegreeofprotectionshallalsobeprovidedforthedeposits.Recordsshallbemadeinorderthattheauthorizedcustomermaybedebitedforthecurrencydispensed.Alimiteddegreeofprotectionagainstunauthorizedmanipulationorremovaloftherecordsthatwillpreventproperdebitshallbeprovided.
【中国标准分类号】:M36
【国际标准分类号】:35_240_40
【页数】:74P.;A4
【正文语种】:英语
