ISO 7226-1988 六角形板牙的尺寸
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来源:标准资料网
【英文标准名称】:Hexagonaldienuts
【原文标准名称】:六角形板牙的尺寸
【标准号】:ISO7226-1988
【标准状态】:现行
【国别】:国际
【发布日期】:1988-05
【实施或试行日期】:1988-05-15
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC29
【标准类型】:()
【标准水平】:()
【中文主题词】:手工工具;工具;切削工具;尺寸;螺纹板牙;板牙
【英文主题词】:Cuttingtools;Dies(threading);Dimensions;Handtools;Tools
【摘要】:Thissecondeditioncancelsandreplacesthefirstedition(ISO7226:1985),ofwhichitconstitutesaminorrevision.SpecifiesthegeneraldimensionsofhexagonalforcertainsuzeofISOmetricthreads,ISOinchthreadsandpipethreads,aswellasthenon-preferredthreadseriesBSW,BSFandBA.Givesthemarkingofthesedienuts.
【中国标准分类号】:J41
【国际标准分类号】:25_100_50
【页数】:3P.;A4
【正文语种】:英语
基本信息
标准名称: | 颗粒离心干燥机 |
英文名称: | Pellet centrifugal dryer |
中标分类: |
化工 >>
化工机械与设备 >>
化工机械 |
ICS分类: |
|
发布部门: | 中华人民共和国工业和信息化部 |
发布日期: | 2011-12-20 |
实施日期: | 2012-07-01 |
首发日期: | |
作废日期: | |
归口单位: | 全国化工机械与设备标准化技术委员会 |
起草单位: | 天华化工机械及自动化研究设计院、国家干燥技术及装备工程技术研究中心 |
出版社: | 化工出版社 |
出版日期: | 2012-07-01 |
适用范围
本标准规定了颗粒离心干燥机的型式与命名、基本参数、要求、试验方法、检验规则及标志、包装、贮运。
本标准适用于干燥各种不易破碎的颗粒状有机物物料和无机物物料表面湿份的离心式干燥机。
前言
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目录
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引用标准
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所属分类: 化工 化工机械与设备 化工机械
【英文标准名称】:StandardTestMethodforAcceleratedLeachTestforDiffusiveReleasesfromSolidifiedWasteandaComputerProgramtoModelDiffusive,FractionalLeachingfromCylindricalWasteForms
【原文标准名称】:固化废料中扩散释放物加速浸出试验,模型扩散的计算机程序和从圆柱形废料状态中分离淋滤的标准试验方法
【标准号】:ASTMC1308-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:C26.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:accelerated;diffusion;leach;waste;Acceleratedleachtest;Computerprograms;Diffusive/fractionalleaching;Leachates/leaching;Models/modeling--environmental;Nuclearscrapandwastematerials;Solidifiedwaste;Wastematerials/processing/analysis
【摘要】:Thistestmethodcanbeusedtomeasurethereleaseofacomponentfromacylindricalsolidifiedwasteformintowateratthereferencetemperatureof20x00B0;Candatelevatedtemperaturesthatacceleratetherateandextentofleachingrelativetothevaluesmeasuredat20x00B0;C.Thistestmethodcanbeusedto:Comparereleasesofwastecomponentsfromvarioustypesofsolidificationagentsandformulations.Determinethediffusioncoefficientsforthereleaseofwastecomponentsfromwasteformsataspecifictemperature.Promotegreaterextentsofreactionthancanbeachievedunderexpectedserviceconditionswithinalaboratorytimeframetoprovidegreaterconfidenceinmodeleddiffusivereleases.Determinethetemperaturedependenceofdiffusiverelease.Fittingtheexperimentalresultswithamechanisticmodelallowsdiffusivereleasestobeextrapolatedtolongtimesandtofull-scalewasteformsunderthefollowingconstraints:Resultsofthistestmethodaddressanintrinsicpropertyofamaterialandshouldnotbepresumedtorepresentreleasesinspecificdisposalenvironments.Testscanbeconductedunderconditionsthatrepresentaspecificdisposalenvironment(forexample,byusingarepresentativegroundwater)todetermineaneffectivediffusioncoefficientforthoseconditions.Projectionsofreleasesoverlongtimesrequiresthatthewasteformmatrixremainstable,whichmaybedemonstratedbythebehaviorofthespecimeninALTsatelevatedtemperatures.ExtrapolationsintimeandscalearelimitedtovaluesthatcorrespondtothemaximumCFLvalueobtainedinanacceleratedtest.Themechanismmustbethesameatalltemperaturesusedintheextrapolation.Thesamemodelthatdescribestheresultsoftestsconductedatelevatedtemperaturesmustalsodescribetheresultsoftestsrunatthereferencetemperatureof20x00B0;C.1.1Thistestmethodprovidesproceduresformeasuringtheleachratesofelementsfromasolidifiedmatrixmaterial,determiningifthereleasesarecontrolledbymassdiffusion,computingvaluesofdiffusionconstantsbasedonmodels,andverifyingprojectedlong-termdiffusivereleases.Thistestmethodisapplicabletoanymaterialthatdoesnotdegradeordeformduringthetest.1.1.1Ifmassdiffusionisthedominantstepintheleachingmechanism,thentheresultsofthistestcanbeusedtocalculatediffusioncoefficientsusingmathematicaldiffusionmodels.Acomputerprogramdevelopedforthatpurposeisavailableasacompaniontothistestmethod(Note1).1.1.2Itshouldbeverifiedthatleachingiscontrolledbydiffusionbyameansotherthananalysisoftheleachtestsolutiondata.Analysisofconcentrationprofilesofspeciesofinterestnearthesurfaceofthesolidwasteformafterthetestisrecommendedforthispurpose.1.1.3Potentialeffectsofpartitioningonthetestresultscanbeidentifiedthroughmodeling,althoughfurthertestingandanalysesarerequiredtodeterminethecauseofpartitioning(forexample,ifitoccursduringproductionofthematerialorasaresultofleaching).1.2Themethodisamodificationofothersemi-dynamictestssuchastheIAEAtest(1)andtheANS16.1LeachTestwhereinelevatedtemperaturesareusedtoacceleratediffusivereleasetoanextentthatwouldonlybereachedafterverylongtimesatlowertemperatures.Thisapproachprovidesamechanisticbasisforcalculatingdiffusivereleasesatrepository-relevanttemperaturesoverlongtimes,providedthattheleachingmechanismdoesnotchangewithtemperature.1.2.1Testscanbeconductedatelevatedtemperature......
【中国标准分类号】:Z13
【国际标准分类号】:13_030_10
【页数】:14P.;A4
【正文语种】:英语