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SJ/T 11105-1996 金属覆盖层 金和金合金电镀层的试验方法 第1部分:镀层厚度测定

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标准名称:金属覆盖层 金和金合金电镀层的试验方法 第1部分:镀层厚度测定
英文名称:Metallic coatings-Test mothods for electrodeposited gold and gold alloy coatings-Part 1:Determination of coating thickness
中标分类: 电工 >> 电工综合 >> 技术管理
替代情况:原标准号GB 12305.1-90
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:6页
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所属分类: 电工 电工综合 技术管理
【英文标准名称】:StandardTestMethodforElectricalConductivityandResistivityofaFlowingHighPurityWaterSample
【原文标准名称】:高纯度流动水样品电导性和电阻率的标准试验方法
【标准号】:ASTMD5391-1999(2009)
【标准状态】:现行
【国别】:美国
【发布日期】:1999
【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】:D19.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:cation;conductivity;highpuritywatermeasurements;resistivity;specificconductance;specificresistance;Conductanceandconductivity(electrical)--water;Contamination--water;High-puritywater;Instrumentalmeasurement--water;Ioniccontaminatio
【摘要】:Conductivitymeasurementsaretypicallymadeonsamplesofmoderatetohighionicstrengthwherecontaminationofopensamplesinroutinelaboratoryhandlingisnegligible.Underthoseconditions,standardtemperaturecompensationusingcoefficientsof1to3%ofreadingperdegreeCelsiusoverwideconcentrationrangesisappropriate.Incontrast,thistestmethodrequiresspecialconsiderationstoreducetracecontaminationandaccommodatesthehighandvariabletemperaturecoefficientsofpurewatersamplesthatcanrangeashighas7%ofreadingperdegreeCelsius.Inaddition,measuringinstrumentdesignperformancemustbeprovenunderhighpurityconditions.Thistestmethodisapplicablefordetectingtraceamountsofioniccontaminantsinwater.Itistheprimarymeansofmonitoringtheperformanceofdemineralizationandotherhighpuritywatertreatmentoperations.Itisalsousedtodetectioniccontaminationinboilerwaters,microelectronicsrinsewaters,pharmaceuticalprocesswaters,etc.,aswellastomonitorandcontrolthelevelofboilerandpowerplantcyclechemistrytreatmentchemicals.ThistestmethodsupplementsthebasicmeasurementrequirementsforTestMethodsD1125,D2186,andD4519.Atverylowlevelsofalkalinecontamination,forexample,0x2013;1x03BC;g/LNaOH,conductivityissuppressed,andcanactuallybeslightlybelowthetheoreticalvalueforpurewater.(13,14)Alkalinematerialssuppressthehighlyconductivehydrogenionconcentrationwhilereplacingitwithlessconductivesodiumandhydroxideions.Thisphenomenonisnotaninterferencewithconductivityorresistivitymeasurementitselfbutcouldgivemisleadingindicationsofinferredwaterpurityinthisrangeifitisnotrecognized.1.1Thistestmethodcoversthedeterminationofelectricalconductivityandresistivityofhighpuritywatersamplesbelow10x03BC;S/cm(above0.1Mohm-cm).Itisapplicabletobothcontinuousandperiodicmeasurementsbutinallcases,thewatermustbeflowinginordertoproviderepresentativesampling.Staticgrabsamplingcannotbeusedforsuchhighpuritywater.Continuousmeasurementsaremadedirectlyinpurewaterprocesslines,orinsidestreamsamplelinestoenablemeasurementsonhightemperatureorhighpressuresamples,orboth.1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A42
【国际标准分类号】:13_060_60
【页数】:7P.;A4
【正文语种】:英语


【英文标准名称】:Aerospaceseries-Qualificationandapprovalofpersonnelfornon-destructivetesting;GermanandEnglishversionEN4179:2005
【原文标准名称】:航空航天系列.无损检验人员的资格和认可
【标准号】:EN4179-2005
【标准状态】:现行
【国别】:
【发布日期】:2007-08
【实施或试行日期】:
【发布单位】:欧洲标准学会(EN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:航空航天运输;航空运输;认可;定义;检验师;多语种的;无损检验;人员;合格;航天运输;规范(验收);讲授;检验;检验人员;训练
【英文主题词】:Aerospacetransport;Airtransport;Approval;Definition;Definitions;Inspectors;Multilingual;Non-destructivetesting;Personnel;Qualifications;Spacetransport;Specification(approval);Teaching;Testing;Testingpersonnel;Training
【摘要】:
【中国标准分类号】:V04
【国际标准分类号】:
【页数】:32P.;A4
【正文语种】:英语