DIN EN 61788-13-2013 超导性.第13部分:交流电损耗测量.Cu/Nb-Ti多丝复合超导体中磁滞损失测定的磁强计法(IEC61788-13-2012).德文版本EN61788-13-2012
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【英文标准名称】:Superconductivity-Part13:AClossmeasurements-Magnetometermethodsforhysteresislossinsuperconductingmultifilamentarycomposites(IEC61788-13:2012);GermanversionEN61788-13:2012
【原文标准名称】:超导性.第13部分:交流电损耗测量.Cu/Nb-Ti多丝复合超导体中磁滞损失测定的磁强计法(IEC61788-13-2012).德文版本EN61788-13-2012
【标准号】:DINEN61788-13-2013
【标准状态】:现行
【国别】:德国
【发布日期】:2013-02
【实施或试行日期】:2013-02-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:交流电损耗;交流电流;粘合剂;铜;临界温度;临界数据;电流测量;定义;电气工程;长丝;滞后现象;滞后损耗;损耗测量;磁场;磁测量;模型;测量;测量技术;铌;比率;电阻测量;超导性;超导体;试验;钛;金属线
【英文主题词】:AClosses;Alternatingcurrent;Bond;Copper;Criticaltemperature;Criticalitydata;Currentmeasurement;Definitions;Electricalengineering;Filament(textilefibre);Hysteresis;Hysteresislosses;Lossmeasurement;Magneticfields;Magneticmeasurement;Matrices;Measurement;Measuringtechniques;Niobium;Ratios;Resistancemeasurement;Superconductivity;Superconductors;Testing;Titanium;Wires
【摘要】:
【中国标准分类号】:
【国际标准分类号】:29_050
【页数】:27P;A4
【正文语种】:德语
【英文标准名称】:StandardTestMethodforParticleSizeDistributionofCatalyticMaterialbyLaserLightScattering
【原文标准名称】:激光散射测定催化材料粒度分布的标准试验方法
【标准号】:ASTMD4464-2000(2005)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D32.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:catalyst;FraunhoferDiffraction;lightscattering;MieScattering
【摘要】:Itisimportanttorecognizethattheresultsobtainedbythistestmethodoranyothermethodforparticlesizedeterminationutilizingdifferentphysicalprinciplesmaydisagree.Theresultsarestronglyinfluencedbyphysicalprinciplesemployedbyeachmethodofparticlesizeanalysis.Theresultsofanyparticlesizingmethodshouldbeusedonlyinarelativesenseandshouldnotberegardedasabsolutewhencomparingresultsobtainedbyothermethods.Lightscatteringtheories(FraunhoferDiffraction3andMieScattering4)thatareusedfordeterminationofparticlesizehasbeenavailableformanyyears.Severalmanufacturersoftestingequipmentnowhaveunitsbasedontheseprinciples.Althougheachtypeoftestingequipmentutilizesthesamebasicprinciplesforlightscatteringasafunctionofparticlesize,differentassumptionspertinenttoapplicationofthetheoryanddifferentmodelsforconvertinglightmeasurementstoparticlesize,mayleadtodifferentresultsforeachinstrument.Furthermore,anyparticleswhichareoutsidethesizemeasurementrangeoftheinstrumentwillbeignored,causinganincreaseinthereportedpercentageswithinthedetectablerange.Aparticlesizedistributionwhichendsabruptlyatthedetectionlimitoftheinstrumentmayindicatethatparticlesoutsidetherangearepresent.Therefore,useofthistestmethodcannotguaranteedirectlycomparableresultsfromdifferenttypesofinstruments.Thistestmethodcanbeusedtodetermineparticlesizedistributionsofcatalystsandsupportsformaterialsspecifications,manufacturingcontrol,andresearchanddevelopmentwork.1.1Thistestmethodcoversthedeterminationoftheparticlesizedistributionofcatalystandcatalystcarrierparticlesandisoneofseveralfoundvaluableforthemeasurementofparticlesize.Therangeofparticlesizesinvestigatedwas30to300956;mequivalentsphericaldiameter.Thetechniqueiscapableofmeasuringparticlesaboveandbelowthisrange.Theangleandintensityoflaserlightscatteredbytheparticlesareselectivelymeasuredtopermitcalculationofavolumedistributionusinglight-scatteringtechniques.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G74
【国际标准分类号】:19_120
【页数】:3P.;A4
【正文语种】:
【英文标准名称】:StandardTestMethodforDryingShrinkageofMortarContainingHydraulicCement
【原文标准名称】:含水硬水泥的灰浆干燥收缩率的标准试验方法
【标准号】:ASTMC596-2001
【标准状态】:作废
【国别】:美国
【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(ASTM)
【起草单位】:ASTM
【标准类型】:()
【标准水平】:()
【中文主题词】:灰浆;硅酸盐水泥;施工材料;水泥;试验
【英文主题词】:Cements;Construction;Constructionmaterials;Drying;Mortars;Portlandcement;Shrinkage;Testing
【摘要】:
【中国标准分类号】:Q13
【国际标准分类号】:91_100_10
【页数】:3P;A4
【正文语种】:英语
