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500 个结果
  • 简介:烤瓷熔附金属全冠(PFM)具有美观、逼真、耐磨等特点,巳被广泛用于牙体组织缺损的修复。PFM的制作工艺复杂,其修复的成功与否,取决于临床医师的设计、牙体预备质量和技工的制作。有关PFM临床修复的文献报道较多,本文拟从技术加工的角度,对PFM返工作回顾性分析,探讨PFM制作中医技交流的方式方法问题。

  • 标签: 烤瓷熔附金属全冠 技工 返工
  • 简介:本发明涉及一种金属工件表面渗金刚石工艺。它包括电解活化、热水清洗、盐酸活化、热水清洗、渗处理、热水清洗、冷水清洗、低温回火等工序,其特征是渗处理及电解活化工序的渗液和电解液采用特殊的成分及配比和工艺规范,将超细化的金刚石微粒渗至金属工件表面,从而使金属工件表面获得超强性能,可全面提高工件的使用寿命,据测试,

  • 标签: 金属工件 表面 低温回火 金刚石 工序 工艺规范
  • 简介:介绍一种化学Ni-P合金层的退溶液配方,对Ni-P合金层退液对金属基体的腐蚀量进行了测定,并对退反应的机理进行了初步的探讨.

  • 标签: 化学镀NI-P合金 腐蚀量 缓蚀剂
  • 简介:摘要:提出了一种主要采用HF,HNO3与H3PO4以及络合缓蚀剂组成的混合液退除镁合金上化学镍层的方法。测试了不同HF HNO H3PO4组合的退液的性能,并分别测定了HF HNO3 H3PO4不同含量对退的效果影响,同时对比了最优混合比例下不同牌号镁合金退效果,结果表明,HF,HNO3 H3PO4比例为3:3:1,添加混合络合缓蚀剂B 10g/L时,镁合金基体不腐蚀,退效果最好。

  • 标签: 镁合金 化学镀镍 镀层退除
  • 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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