IEC 60051-5-1985 直接作用模拟指示电测量仪表及其附件第5部分:相位表、功率因数表和同步指示器的特殊要求
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【英文标准名称】:Directactingindicatinganalogueelectricalmeasuringinstrumentsandtheiraccessories.Part5:Specialrequirementsforphasemeters,powerfactormetersandsynchroscopes.
【原文标准名称】:直接作用模拟指示电测量仪表及其附件第5部分:相位表、功率因数表和同步指示器的特殊要求
【标准号】:IEC60051-5-1985
【标准状态】:现行
【国别】:国际
【发布日期】:1985
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/TC85
【标准类型】:()
【标准水平】:()
【中文主题词】:规范(验收);测量仪器;电气工程;测量;相位测量(电);标度;电功率测量;电学测量仪表;功率因数;刻度;指示器;相位移;精密度;仪表;相位比较器;直接测量;指示;同步指示仪
【英文主题词】:Directmetering;Electricalengineering;Electricalmeasuringinstruments;Indications;Indicators;Measurement;Measuringinstruments;Meters;Phasecomparators;Phasemeasurement(electric);Phaseshift;Powerfactor;Powermeasurement(electric);Precision;Scales;Specification(approval);Synchroscopes
【摘要】:Appliestophasemeters,powerfactormetersandsynchronoscopesaswellastonon-interchangeableaccessoriesusedwiththem.
【中国标准分类号】:N21
【国际标准分类号】:17_220_20
【页数】:
【正文语种】:英语
【英文标准名称】:StandardPracticeforX-rayDiffractionDeterminationofPhaseContentofPlasma-SprayedHydroxyapatiteCoatings
【原文标准名称】:浆喷施羟磷灰石涂层的相含量的X射线衍射测定的标准实施规程
【标准号】:ASTMF2024-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:F04.13
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:
【英文主题词】:amorphouscalciumphosphate(ACP);hydroxyapatitecoatings;hydroxyapatite(HAP);hydroxylapatitecoatings;phaseanalysis;tricalciumphosphate;whitlockite;Amorphouscalciumphosphate(ACP);Hydroxyapatite(HAP);Hydroxylapatite(HA);Phaseanalysis;P
【摘要】:Calciumphosphatecoatingshavebeenshowninanimalandclinicalstudiestobebiocompatibleandtoenhancetheearlyattachmentofbonetoimplantsurfaces(seeRefs.1-5)Itisbelievedthattheformofcalciumphosphateceramicanditspuritywithrespecttosecondarycrystallinephasesandamorphousmaterialhaveaneffectonitsphysical,mechanical,andbiologicalproperties.However,nodefinitivestudiesofeffectsonbiologicalpropertieshavebeencompleted.Toachievereproducibleclinicalresultsandtopermitthedeterminationoftheeffectsofpropertiesofthecoatingonbiologicalperformance,itisessentialthatthepropertiesofbothclinicalandexperimentalmaterialsbewell-characterizedandconsistent.Thispracticeprovidesproceduresfordeterminationofthepercentagebyweightofthecrystallinephasesidentifiedashydroxyapatite,x03B2;-TCPandCaOinplasma-sprayedhydroxyapatitecoatings.1.1Thispracticeisforthedetermination,bytheReferenceIntensityRatioExternalStandardMethod,ofthepercentbyweightofthecrystallinephases,hydroxyapatite(HA),beta-(whitlockite)tricalciumphosphate(x03B2;-TCP),andcalciumoxide(CaO)incoatingsdepositeduponmetallicsubstratesbyplasma-sprayinghydroxyapatite.1.2Amajorcomponentinplasma-sprayedHAcoatingsotherthanHAisexpectedtobeamorphouscalciumphosphate(ACP).CrystallinecomponentsotherthanHAthatmaybepresentincludealpha-andbeta-(whitlockite)tricalciumphosphates,tetracalciumphosphate(TTCP),calciumoxide,andcalciumpyrophosphates.QuantificationoftheminorcrystallinecomponentshasproventobeveryunreliableduetoextremeoverlapandconfoundingofX-raydiffractionpeaks.Therefore,thispracticeaddressesthequantificationofonlyHA,x03B2;-TCP,andCaO.1.3Thispracticewasdevelopedforplasma-sprayedHAcoatingswithHAcontentsofatleast50%ofthetotalcoating.Itisrecognizedthattheanalysisofthecrystallinecomponentsusesdiffractionfromregionsofthepatternthatalsoincludesasmallcontributionfromtheamorphouscomponent.However,withinthelimitsofapplicabilityofthispractice,theeffectofsuchinterferenceisbelievedtobenegligible.1.4Thecoatinganalyzedshallbeproducedandprocessedunderequivalentmanufacturingconditionstothatonthedeviceofinterest.1.5ThispracticerequirestheuseofmonochromatedcopperKx03B1;radiationandflatsamples.1.6ThevaluesstatedinSIunitsaretoberegardedasstandard.Nootherunitsofmeasurementareincludedinthisstandard.1.7Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_99
【页数】:4P.;A4
【正文语种】:英语
【英文标准名称】:Bibliographicreferencesofelectronicdocumentsorpartsthereof
【原文标准名称】:电子文档或其部分文档的目录参考
【标准号】:JISX0807-1999
【标准状态】:现行
【国别】:日本
【发布日期】:1999-04-20
【实施或试行日期】:
【发布单位】:日本工业标准调查会(JP-JISC)
【起草单位】:TechnicalCommitteeonInformationTechnology
【标准类型】:()
【标准水平】:()
【中文主题词】:文献;目录;规范;目录参考;数据处理
【英文主题词】:documents;bibliographies;specifications;bibliographicreferences;dataprocessing
【摘要】:この規格は,電子文献を引用する場合の構成要素について規定する。
【中国标准分类号】:A14
【国际标准分类号】:01_140_20
【页数】:19P;A4
【正文语种】:日语