学科分类
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500 个结果
  • 简介:用H2O2氧化Co2+成Co3+,以EDTA为显色剂,测定Co3+-EDTA配合物的吸光度,以求得中的含钴量。实验结果表明,显色体系最大吸收波长位于540nm处,钴浓度介于0-0.7mg/10mL遵守比尔定律。Co3+-EDTA配合物在强酸介质中十分稳定,方法具有高选择性。应用于钯钴合金中钴的测定,方法简便快捷。

  • 标签: 钴测定 光度法 电镀液
  • 简介:电镀金-铜-镉,俗称18K金。采用EDTA分光光度法测定金-铜-镉中的铜。实验结果表明,显色体系十分稳定。包括镉在内的许多金属离子均无干扰,方法具有良好的选择性且简便快捷,分析结果的准确度满足生产的要求。

  • 标签: 铜测定 光度法 EDTA 电镀液
  • 简介:Compositeplatingcontainingnanometer-sizedparticlesfromanon-aqueouselectrolyte;CompositeplatingofNi/SiCusingazo-cationicsurfactantsandwearresistanceofcoatings;Developmentofrapidcompositeplatingsystemformotorcycleenginecylinders;DynamicResponseofLaminatedCompositePlateusingFirstOrderShearDeformationTheory

  • 标签: 复合电镀 纳米颗粒 碳化硅 磨损性能
  • 简介:[篇名]InfluenceofWCadditionanmicrostructuresoflaser-meltedNi-basedalloycoating,[篇名]MicrostructureanddryslidingwearbehavioroflasercladNi-basedalloycoatingwiththeadditionofSiC,[篇名]PreparationofAdvancedLithiumSecondaryBatterieswithTin-IronAlloyPlatingAnodesandTheirCharge-DischargeBehaviors,[篇名]SnAg-alloycoatingforconnectorsandsolderingapplications,[篇名]Structureandpropertiesofwear-resistanttitaniumcarbonitride-basedcoatings,[篇名]TheanalysisofthedepositionmechanismofZn/NialloyplatingusinganEQCM,[篇名]Theeffectofheattreatmentonwearresistanceofpartshavinghard-alloycoating.

  • 标签: 镀合金 微观结构 激光熔炼
  • 简介:AdvancedLithiumSecondaryBatteriesUsingTin-IronAlloyNegativeElectrodesPreparedbyElectroplating;CavitationerosionofTi-Nishapememoryalloycoating;Effectsoffueldyeonthehotcorrosionresistanceofmarinegasturbinematerials;EffectsofphosphorouscontentsandambienthumidityonthefrictionandwearpropertiesofNi-W-PalloyplatingFrictionandwearofelectrolessNialloyplatedgearundernon-lubricationconditioninhighvacuum

  • 标签: 镀合金 气穴侵蚀 电极预备 钛-镍形状记忆合金
  • 简介:AdvancesinEnhancedBoilingtteatTransferFromElectronicComponents;AFMstudyofultrathintri-blockcopolymerfilmsontailoredgraftedpolymerlayer;AirConditionerInverterforElectricVehicle;Aneffectofinertgasonsurfacefihnformationandwoltagedlopofslidingcontacts;Analysisofahomopolardiskgeneratorviaequivalentnetwork

  • 标签: 刷镀 热转换 电子成分 聚合薄膜 空气条件
  • 简介:[篇名]AFrameworkforTransferColorsBasedontheBasicColorCategories,[篇名]Agraphicaltabletusingthermalsensor,[篇名]AMethodforOptimisingtheWeightandResponseofBrush-TypeWound-FieldDirectCurrentMotors,[篇名]Anumericalstudyofweaklyturbulentpremixedcombustionwithflamespeedclosuremodel,[篇名]Astrongerstartyieldsasmootherfinish,[篇名]Astudyofbrushghostmarkinthedeformationring,[篇名]Astudyontiremodelingforcamberthrustandcambertorque.

  • 标签: 刷镀 热传感器 颜色变换 图像处理
  • 简介:[篇名]Afieldstudyonvalidationofsupplementalbrakelampwithflashingturnsignalsformotorcycles,[篇名]AgthinfilmonSiasthelubricantunderultra-highvacuumandtheeffectofadsorbedgasmoleculesonfriction,[篇名]CleaningandDe-OilingwithLow-PressureFlashingFlow,[篇名]Companionadvancedhazardwarningsystem,[篇名]Developmentsinprocesscontrolmonitoring,[篇名]Doroadengineeringinterventionsreduceon-campusobstructionatpedestriancrossings?[篇名]EvolvingSpikingNeuronControllersforPhototaxisandPhonotaxis.

  • 标签: 闪镀 腐蚀保护 摩托车 硅薄膜 真空扩散
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  • 简介:SY509-3-78[篇名]EnergyAbsorptioninChoppedCarbonFiberCompressionMoldedComposites;SY509-3-79[篇名]Hybridcontrolofsoundfieldsfromvibratinglaminatedplateusingpiezoelectricandviscoelasticmaterial;……

  • 标签: 复合镀 碳素纤维 压模复合材料 腐蚀防护
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