ISO 3074-1975 羊毛在精梳毛条中二氯甲烷可溶物的测定
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【英文标准名称】:Wool;Determinationofdichloromethane-solublematterincombedsliver
【原文标准名称】:羊毛在精梳毛条中二氯甲烷可溶物的测定
【标准号】:ISO3074-1975
【标准状态】:现行
【国别】:国际
【发布日期】:1975-12
【实施或试行日期】:
【发布单位】:国际标准化组织(IX-ISO)
【起草单位】:ISO/TC38
【标准类型】:()
【标准水平】:()
【中文主题词】:纺织材料;化学分析;条子;氯代甲烷;氯甲烷;羊毛;化学分析和试验;试验;油;含量测定;可溶物质;脂肪
【英文主题词】:Chemicalanalysisandtesting;Determinationofcontent;Fats;Methylchloride;Oils;Sliver;Testing;Tests;Textiles;Wool
【摘要】:Wooltextilesmaycontainsolvent-extractableoilsandfats.Theamountofthesesubstancespresentdependsonthestageofmanufacture,anditsestimationisimportantfordeterminingthecleanwoolcontentofasample.Themethodisonlyapplicableto100%woolproducts.Itmaygivemisleadingresultsifappliedtoproductsinwhichfibresotherthanwoolarepresent.
【中国标准分类号】:W20
【国际标准分类号】:59_060_10
【页数】:3P;A4
【正文语种】:英语
【英文标准名称】:StandardTestMethodforDeterminationofRadioactiveIroninWater
【原文标准名称】:测定水中放射性铁的标准试验方法
【标准号】:ASTMD4922-2001
【标准状态】:现行
【国别】:
【发布日期】:2001
【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】:D19.04
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:铁含量;放射性污染;水质分析;试验
【英文主题词】:anionexchange;55Fe;liquidscintillationcounting;radioactiveiron;radioactivity;NumberCode13.060.50(Examinationofwaterforchemicalsubstances);13.060.60(Examinationofwaterforphysicalproperties)
【摘要】:Radioactiveironisproducedbyneutronactivationofstableiron.Itsconcentrationinreactorcoolantisusedtomonitorthecorrosionofreactorpartssuchasreactorfuel-claddingmaterialandreactorstructuralcomponents.Thistechniqueeffectivelyremovesotheractivationandfissionproductssuchasisotopesofiodine,zinc,manganese,cobalt,andcesiumbytheadditionofhold-backcarriersandananionexchangetechnique.Thefissionproducts(zirconium-95andniobium-95)areselectivelyelutedwithhydrochloric-hydrofluoricacidwashes.TheironisfinallyseparatedfromZn+2byprecipitationofFePO4atapHof3.0.1.1Thistestmethodcoversthedeterminationof55Feinthepresenceof59Febyliquidscintillationcounting.Thea-prioriminimumdetectableconcentrationforthistestmethodisE-3Bq/mL.1.2Thistestmethodwasdevelopedprincipallyforthequantitativedeterminationof55Fe.However,afterpropercalibrationoftheliquidscintillationcounterwithreferencestandardsofeachnuclide,59Femayalsobequantified.1.3ThistestmethodwasusedsuccessfullywithTypeIIIreagentwaterconformingtoSpecificationD1193.Itistheresponsibilityoftheusertoensurethevalidityofthistestmethodforwatersofuntestedmatrices.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Foraspecifichazardstatement,seeSection9.
【中国标准分类号】:Z16
【国际标准分类号】:13_060_50;13_060_60
【页数】:5P.;A4
【正文语种】:
【英文标准名称】:DigitalSubscriberSignallingSystemNumber1(DSS1)-SignallingSpecificationoftheUserSignallingBearerService
【原文标准名称】:电信.数字用户信令发送系统NO.1(DSS1)-用户信令发送载体服务的信令发送规范
【标准号】:ANSIT1.623-1993
【标准状态】:现行
【国别】:美国
【发布日期】:1993
【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】:信号传输;综合服务数字网络;通信链路;信号系统;通信网;电信;用户专用线路;定义;用户台
【英文主题词】:Communicationnetworks;Definitions;ISDN;Signaltransmission;Subscriberlinecircuit;Subscriber'sstation;Telecommunicationlinks;Telecommunications
【摘要】:ThisinterfacestandardwaswrittentoprovideasetofrequirementsforUser-NetworkSignallingforISDNsupportofusersignallingbearerservice,whileconforming,whereverpossible,withtheQ-andI-SeriesRecommendationsoftheInternationalTeleg
【中国标准分类号】:M12
【国际标准分类号】:33_040_30
【页数】:21P;A4
【正文语种】:英语
