【英文标准名称】:StandardPracticeforReportingIrradiationResultsonGraphite
【原文标准名称】:石墨辐射结果的报告的标准实施规程
【标准号】:ASTMC625-1995(2010)
【标准状态】:现行
【国别】:美国
【发布日期】:1995
【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】:D02.F0
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:graphite;irradiatedproperties;testresults;Irradiance/irradiation;Nucleargraphite;Recording/reportingdataanalysisresults
【摘要】:Thepurposeofthispracticeistoidentifysampleandtestparametersthatmayinfluencegraphiteirradiationtestresults.Thispracticeshouldnotbeconstruedasarequirementorrecommendationthatproprietaryinformationbedisclosed.Irradiationresultsongraphiteincludedimensionalchangesandchangesinpropertiesthatareusedinreactordesign.Theirradiationdataarereportedingovernmentdocuments,openliteraturepublications,andareassembledintodatamanualsforusebyreactordesigners.1.1Thispracticecoversinformationrecommendedforinclusioninreportsgivinggraphiteirradiationresults.
【中国标准分类号】:Q51
【国际标准分类号】:71_060_10
【页数】:2P.;A4
【正文语种】:英语
【英文标准名称】:Petroleumproductsandusedoils.DeterminationofPCBsandrelatedproducts.Determinationandquantificationofpolychlorinatedterphenyls(PCT)andpolychlorinatedbenzyltoluenes(PCBT)contentbygaschromatography(GC)usinganelectroncapturedetec
【原文标准名称】:石油产品和用过的油.PCB和相关产品的测定.使用电子俘获探测器(ECD)的气相色谱法(GC)测定和量化多氯三联苯(PCT)和多氯苯基甲苯(PCBT)含量
【标准号】:BSEN12766-3-2004
【标准状态】:现行
【国别】:英国
【发布日期】:2004-12-07
【实施或试行日期】:2004-12-07
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:分析;原子吸收分光光度测定法;联苯;团料;定义(术语);检波器(回路);测定;含量测定;电子俘获探测器;气相色谱分析法;气相色谱法;铅;润滑油;材料测试;数学计算;方法;计算方法;油;多氯联苯(PCB);多氯苯基甲苯(PCBT);PCT;石油;石油产品;多氯的;多氯甲苯;量化;分离过程;焦油苯基;植物油
【英文主题词】:Analysis;Atomicabsorptionspectrophotometry;Biphenyl;Conglomerates;Definitions;Detectors(circuits);Determination;Determinationofcontent;Electroncapturedetectors;Gaschromatography;Gasphasechromatography;Lead;Lubricatingoils;Materialstesting;Mathematicalcalculations;Methods;Methodsofcalculation;Oils;PCB;PCBT;PCT;Petroleum;Petroleumproducts;Polychlorinated;Polychlorinebiphenyls;Quantification;Separationprocesses;Tarphenyle;Vegetableoils
【摘要】:Thisdocumentspecifiesamethodoftestforthedeterminationofpolychlorinatedterphenyls(PCT)andpolychlorinatedbenzyltoluenes(PCBT)inpetroleumproductsandrelatedmaterialsbymeansofaspecifiedgaschromatographicseparationprocedure.Followingthegaschromatographicseparation,quantificationproceduresaredescribedforPCTAroclor5442,PCTAroclor5460andPCBT(Ugilec141).Thisdocumentisapplicabletounused,usedandtreated(e.g.dechlorinated)petroleumproductsincludingsyntheticlubricatingoils,topetroleumproductsandsyntheticlubricatingoilssuitablyrecoveredfromothermaterials(e.g.fromwastematerials)andtomixturesofvegetableoils.NOTE1ThisdocumenthasbeendevelopedasanextensionofEN12766Parts1and2toprovideamethodofdeterminingthetotalPCBcontentinaccordancewithArticles2,3and4ofECDirective96/59/EC[1].ThetotalPCBcontentiscalculatedbysummationofPCBcontent,determinedaccordingtoEN12766-2,andPCTsandPCBTsaccordingtothisdocument.ThethreeclassesofmaterialsmeasuredinthisstandardcanbequantifiediftheyoccuratconcentrationsgreaterthangiveninTable1.NOTE2Inordertosimplifyandrationalizetheanalyticaloperationsrequiredforaneffective,fastandeconomicinventoryofequipmentcontainingliquidsclassifiedasPCBs(asdefinedbyDirective96/59/EC[1]),itisrecommendedfirstlytodetermine,usinganappropriatescreeningmethod,thetotalchlorinecontent(inmg/kg).Examplesforanalyticalprocedurestodeterminetotalchlorinecontentinfresh,used,ortreatedinsulatingoilsare:i)pre-dosedcolorometrickitstomeasure25mg/kgor50mg/kgtotalchlorine(ref:USEPASW-846Method9079);ii)electrochemicalmethodsintherange2mg/kgto2000mg/kgoftotalchlorine(ref:DEXSILL-2000DXC-USEPASW-846Method9079andUSEPASW-846Method9078);iii)wavelengthdispersiveX-rayfluorescence;oriv)oxidativemicrocoulometryorotherscientificallyvalidatedanalyticalmethods.Fromthetotalchlorinemeasuredforaspecificsample,atheoreticalmaximumequivalentPCBcontentcanbecalculated.WhenthismaximumequivalentPCBcontentissignificantlylowerthanthelimitprescribedbyDirective96/59/EC[1](50mg/kgtotalPCBs)orbylocalstandards(e.g.25mg/kgtotalPCBs),thesamplemaybeconsideredas"PCB-free".NOTE3Whenthetotalchlorinecontentinasampleishigherthanthelimitsdescribedabove,itbecomesnecessarytoproceedwithgaschromatographicanalysisinaccordancewiththisdocumentusingthetotalchlorinecontentas:i)aguidetoestablishthelevelofdilutionnecessarytooperatewithinthelinearrangeoftheECDdetector(EN12766-1:2000,10.3.2);ii)amethodofcalculatingtheratiobetweentotalchlorinecontentandtotalPCBforqualitycontrolpurposes;iii)amethodfortheclassificationofthehazardposedbytheoil(e.g.attheendofitslifecycle,forregeneration,useasfueland/ordisposalinaccordancewithlocalregulations).NOTE4Forthepurposesofthisdocument,theterms"%(m/m)"and"%(V/V)"areusedtorepresentrespectivelythemassfractionandthevolumefraction.WARNING—Theuseofthisdocumentcaninvolvehazardousmaterials,operationsandequipment.Thisdocumentdoesnotpurporttoaddressallthesafetyproblemsassociatedwithitsuse.Itistheresponsibilityoftheuserofthisdocumenttoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E30
【国际标准分类号】:75_080;75_100
【页数】:26P.;A4
【正文语种】:英语
基本信息
| 标准名称： | 明线12路晶体管载波电话设备技术要求 |
| 英文名称： | Specification for 12-channel transistorized carrier telephone equipment on an open-wire pair |
| 中标分类： |
通信、广播 >>
通信设备 >>
载波通信设备 |
| 替代情况： | 作废; |
| 发布日期： | 1985-10-17 |
| 实施日期： | 1986-06-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 起草单位： | 邮电部眉山通信设备厂 |
| 出版日期： | 1900-01-01 |
| 页数： | 7页 |
适用范围
本标准适用于线径为2.5~4.0mm的铜线或传输特性与其相似的有色金属线上使用的双频带二线制明线12路晶体管载波电话终端设备和增音设备。本标准可供设备制造厂家及使用单位作为制定验收规则及维护规范的依据。
前言
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目录
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引用标准
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所属分类： 通信 广播 通信设备 载波通信设备