简介:摘要:随着科技智能化,焊接机器人应用普及。技能性焊接人员稀缺,人工成本增高。换热管焊接机器人在换热器管头焊接中应用逐间普遍。优点换热管自动寻位、起弧焊接,连续焊接,焊缝成型均匀、美观,提高了焊接效率,降低了工人的劳动强度和对操作技能要求,解决了生产过程人为因素对产品质量的影响。
简介:摘要:通过对延安石油化工厂连续重整装置汽轮机凝汽器和抽气冷却器换热管进行国产化升级改造,极大的缩短备件采购周期,节省检修费用,提高设备管理水平。
简介:Noveltopologyforparallelconnectionofsoft-switchinghigh-powerhigh-frequencyinverters.ElectricalandstructuralcharacterizationoftheinterfaceofwaferbondedInP/Si.ModelingandcontrolforrapidthermalannealinRTP.MINIMISATIONOFPSURFACESEGREGATIONDURINGEPITAXIALSILICONGROWTHFORTHEFABRICATIONOFASILICON-BASEDQUANTUMCOMPUTER.Electricalandstructuralinvestigationofbondedsiliconinterfaces
简介:[篇名]MechanismofthesuppressionofZrsilicideformationinpoly-Si/ZrON/ZrSiON/Sistructure,[篇名]MICROSTRUCTUREANDMECHANICALPROPERTIESOFINTERNALLYOXIDIZEDAg/1.12AT.%Mg,[篇名]Improvingrecrystallizationresistanceinwroughtaluminumalloyswithscandiumaddition,[篇名]Interactionofinterface-trapslocatedatvarioussitesinMOSFETsunderstress,[篇名]ActivationofMgacceptorsinGaN:Mgmonitoredbyelectronparamagneticresonancespectroscopy