We synthesized tungsten-doped vanadium dioxide(W-VO_(2))particles via a one-step hydrothermal method,followed by their integration with antimony-doped tin oxide(ATO)nanoparticles to formulate a composite coating.Subse...We synthesized tungsten-doped vanadium dioxide(W-VO_(2))particles via a one-step hydrothermal method,followed by their integration with antimony-doped tin oxide(ATO)nanoparticles to formulate a composite coating.Subsequently,the VO_(2)/ATO composite coating was fabricated through a spin-coating process.The impact of varying W-VO_(2) content and coating thickness on the performance of the composite coatings was systematically investigated by employing X-ray diffraction,particle size distribution analysis,spectrometry,and other pertinent test methodologies.Our findings revealed that an escalation in both W-VO_(2) content and coating thickness retained high transmittance in the near-infrared band at lower temperatures.However,as the temperature increased,a notable reduction in transmittance in the near-infrared band was observed,alongside a slight decrease in transmittance within the visible band.Remarkably,when the W-VO_(2) content reached 5%and the coating thickness was 1253 nm,the transmittance of the composite coating surpassed 80%.Furthermore,the heat insulation effect achieved a remarkable 10.0℃increase.Consequently,the synthesized composite coating demonstrates significant potential for smart glass applications,particularly in the realm of heat-insulating glass.展开更多
为实现市域铁路全自动运行控制并提高运输效率,提出一种CTCS+ATO列控系统自动化等级提升方案。该方案基于现有CTCS2+ATO系统架构,结合市域铁路具体应用需求,通过分析不同自动化等级下的关键运行场景和功能,给出列控系统自动化等级提升...为实现市域铁路全自动运行控制并提高运输效率,提出一种CTCS+ATO列控系统自动化等级提升方案。该方案基于现有CTCS2+ATO系统架构,结合市域铁路具体应用需求,通过分析不同自动化等级下的关键运行场景和功能,给出列控系统自动化等级提升至更高自动化等级(Grade of Automation,GoA)所需的关键技术和实施策略,提出全自动运行系统架构及实现自动化等级提升的具体要求,对推动市域铁路向更高级别自动化与智能化发展具有重要意义。展开更多
基金Funded by Beijing Municipal Science&Technology Commission,Administrative Commission of Zhongguancun Science Park(No.Z221100006722022)。
文摘We synthesized tungsten-doped vanadium dioxide(W-VO_(2))particles via a one-step hydrothermal method,followed by their integration with antimony-doped tin oxide(ATO)nanoparticles to formulate a composite coating.Subsequently,the VO_(2)/ATO composite coating was fabricated through a spin-coating process.The impact of varying W-VO_(2) content and coating thickness on the performance of the composite coatings was systematically investigated by employing X-ray diffraction,particle size distribution analysis,spectrometry,and other pertinent test methodologies.Our findings revealed that an escalation in both W-VO_(2) content and coating thickness retained high transmittance in the near-infrared band at lower temperatures.However,as the temperature increased,a notable reduction in transmittance in the near-infrared band was observed,alongside a slight decrease in transmittance within the visible band.Remarkably,when the W-VO_(2) content reached 5%and the coating thickness was 1253 nm,the transmittance of the composite coating surpassed 80%.Furthermore,the heat insulation effect achieved a remarkable 10.0℃increase.Consequently,the synthesized composite coating demonstrates significant potential for smart glass applications,particularly in the realm of heat-insulating glass.
文摘为实现市域铁路全自动运行控制并提高运输效率,提出一种CTCS+ATO列控系统自动化等级提升方案。该方案基于现有CTCS2+ATO系统架构,结合市域铁路具体应用需求,通过分析不同自动化等级下的关键运行场景和功能,给出列控系统自动化等级提升至更高自动化等级(Grade of Automation,GoA)所需的关键技术和实施策略,提出全自动运行系统架构及实现自动化等级提升的具体要求,对推动市域铁路向更高级别自动化与智能化发展具有重要意义。
