GB/T 12496.13-1999 木质活性炭试验方法 未炭化物的测定
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基本信息
标准名称: | 木质活性炭试验方法 未炭化物的测定 |
英文名称: | Test methods of wooden activated carbon-Determination of uncarbonized substances |
中标分类: |
农业、林业 >>
林业 >>
木炭 |
ICS分类: |
|
替代情况: | GB/T 12496.17-1990 |
发布部门: | 国家质量技术监督局 |
发布日期: | 1999-11-10 |
实施日期: | 2000-04-01 |
首发日期: | 1990-10-12 |
作废日期: | 1900-01-01 |
主管部门: | 国家林业局 |
提出单位: | 国家林业局 |
归口单位: | 国家林业局 |
起草单位: | 中国林科院林产化工所 |
出版社: | 中国标准出版社 |
出版日期: | 2000-04-01 |
页数: | 2页 |
适用范围
本标准规定了木质活性炭末炭化物的测定方法。本标准适用于木质活性炭。
前言
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引用标准
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所属分类: 农业 林业 林业 木炭
【英文标准名称】:StandardPracticeforQualificationandAcceptanceofBoronBasedMetallicNeutronAbsorbersforNuclearCriticalityControlforDryCaskStorageSystemsandTransportationPackaging
【原文标准名称】:干木桶贮藏装置和运输包装的核临界控制用硼基金属中子吸收剂鉴定与验收的标准实施规程
【标准号】:ASTMC1671-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:C26.03
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:验收;硼;控制;临界状态;危险物品;烘干;金属的;中子吸收剂;核;包装;鉴定;储存系统;运输
【英文主题词】:acceptancetesting;drycaskstorage;isotopicanalysis;neutronabsorber;neutronattenuation;neutronpoison;qualificationtesting;transportationpackaging
【摘要】:Forcriticalitycontrolofnuclearfuelindrystorageandtransportation,themostcommonlyusedneutronabsorbermaterialsareboratedstainlesssteelalloys,boratedaluminumalloys,andboroncarbidealuminumalloycomposites.Theboronusedintheseneutronabsorbermaterialsmaybenaturalorenrichedinthenuclide10B.Theboronisusuallyincorporatedeitherasanintermetallicphase(forexample,AlB2,TiB2,CrB2,etc.)inanaluminumalloyorstainlesssteel,orasastablechemicalcompoundparticulatesuchasboroncarbide(B4C),typicallyinanaluminumMMCorcermet.Whileotherneutronabsorberscontinuetobeinvestigated,10Bhasbeenmostwidelyusedintheseapplications,anditistheonlythermalneutronabsorberaddressedinthisstandard.Inservice,manyneutronabsorbermaterialsareinaccessibleandnotamenabletoasurveillanceprogram.Theseneutronabsorbermaterialsareoftenexpectedtoperformoveranextendedperiod.Qualificationandacceptanceproceduresdemonstratethattheneutronabsorbermaterialhasthenecessarycharacteristicstoperformitsdesignfunctionsduringtheservicelifetime.Thecriticalitycontrolfunctionofneutronabsorbermaterialsindrycaskstoragesystemsandtransportationpackagingsisonlysignificantinthepresenceofamoderator,suchasduringloadingoffuelunderwater,orwateringressresultingfromhypotheticalaccidentconditions.Theexpectedusersofthisstandardincludedesigners,neutronabsorbermaterialsuppliersandpurchasers,governmentagencies,consultantsandutilityowners.Adherencetothisstandarddoesnotguaranteeregulatoryapproval;agovernmentregulatoryauthoritymayrequiredifferenttestsoradditionaltests,andmayimposelimitsorrestrictionsontheuseofaneutronabsorbermaterial.1.1Thispracticeprovidesproceduresforqualificationandacceptanceofneutronabsorbermaterialsusedtoprovidecriticalitycontrolbyabsorbingthermalneutronsinsystemsdesignedfornuclearfuelstorage,transportation,orboth.1.2Thispracticeislimitedtoneutronabsorbermaterialsconsistingofmetalalloys,metalmatrixcomposites(MMCs),andcermets,cladorunclad,containingtheneutronabsorberboron-10(10B).Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A80
【国际标准分类号】:13_300
【页数】:4P.;A4
【正文语种】:
Product Code:SAE J2330
Title:Walk-Along Work Machines - Braking Systems - Performance Requirements and Test Procedures
Issuing Committee:Optc2, Braking
Scope:This SAE Standard specifies minimum performance and test criteria for brake systems to enable uniform assessment of the braking capability of walk-along self-propelled work machines with a mass greater than 115 kg. Service and parking brake systems are covered by this document.