As environmental awareness,waste minimization and conscious living gain widespread attention,endeavors have been dedicated to acquiring new water-based(WB)lubricants for green manufacturing.Zeolitic Imidazolate Framew...As environmental awareness,waste minimization and conscious living gain widespread attention,endeavors have been dedicated to acquiring new water-based(WB)lubricants for green manufacturing.Zeolitic Imidazolate Framework-8(ZIF-8),an important branch of metal organic frameworks(MOFs),can perform ex-ceptional lubricity add-on water conditions.Nevertheless,surface functionalization of ZIF-8 nanoparticles is a key issue for promoting interfacial consistency and mixing stability in aqueous solutions.In this research work,the functionalization approach of ZIF-8 via polydopamine polymerization process(PDA)was adopted to enhance its dispersion durability in water.A ball-on-flat linear reciprocating tribometer was used to test the lubrication achievement of the functionalized ZIF-8@PDA as an additive nanoparticle in water under room temperature.The experimental findings revealed a significant lubrication improvement,with the coefficient of friction(COF)being decreased by 33.9%with a 4.0 wt%content of ZIF-8@PDA.The wear track width distance saw a reduction of 34.4%when utilizing a 2.0 wt%inclusion of ZIF-8@PDA.This lubrication enhancement accounts for mi-crobearing and mending effects provided by ZIF-8@PDA.展开更多
目的设计一种生命体征采集系统,实现非联网体征采集设备测量数据的自动识别与记录。方法利用移动手持终端(Personal Digital Assistant,PDA)作为硬件载体,以卷积神经网络算法为基础,结合YOLOv5目标检测算法开发图像识别功能,设计具有图...目的设计一种生命体征采集系统,实现非联网体征采集设备测量数据的自动识别与记录。方法利用移动手持终端(Personal Digital Assistant,PDA)作为硬件载体,以卷积神经网络算法为基础,结合YOLOv5目标检测算法开发图像识别功能,设计具有图像识别能力的生命体征采集系统。通过PDA实现体温、血压、血氧、血糖测量设备体征数据的快速识别,并按照护理管理规则自动记录至医疗系统。结果生命体征采集系统应用后,体征数据采集正确率由99.67%提高至100.00%,次均采集时间缩短29.21%,医护满意度提升5.74%,且差异均有统计学意义(P<0.05)。结论该系统以真实体征数据保障有效诊断,进一步提高了病区护理工作效率,提升了护理质量水平与准确性。展开更多
基金Supported by Shaanxi Provincial Natural Science Basic Research Program(Grant No.2025JC-YBMS-353)the Fundamental Research Funds for the Central Universities(Grant No.ZYTS25049)National Natural Science Foundation of China(Grant No.52105205).
文摘As environmental awareness,waste minimization and conscious living gain widespread attention,endeavors have been dedicated to acquiring new water-based(WB)lubricants for green manufacturing.Zeolitic Imidazolate Framework-8(ZIF-8),an important branch of metal organic frameworks(MOFs),can perform ex-ceptional lubricity add-on water conditions.Nevertheless,surface functionalization of ZIF-8 nanoparticles is a key issue for promoting interfacial consistency and mixing stability in aqueous solutions.In this research work,the functionalization approach of ZIF-8 via polydopamine polymerization process(PDA)was adopted to enhance its dispersion durability in water.A ball-on-flat linear reciprocating tribometer was used to test the lubrication achievement of the functionalized ZIF-8@PDA as an additive nanoparticle in water under room temperature.The experimental findings revealed a significant lubrication improvement,with the coefficient of friction(COF)being decreased by 33.9%with a 4.0 wt%content of ZIF-8@PDA.The wear track width distance saw a reduction of 34.4%when utilizing a 2.0 wt%inclusion of ZIF-8@PDA.This lubrication enhancement accounts for mi-crobearing and mending effects provided by ZIF-8@PDA.
文摘目的设计一种生命体征采集系统,实现非联网体征采集设备测量数据的自动识别与记录。方法利用移动手持终端(Personal Digital Assistant,PDA)作为硬件载体,以卷积神经网络算法为基础,结合YOLOv5目标检测算法开发图像识别功能,设计具有图像识别能力的生命体征采集系统。通过PDA实现体温、血压、血氧、血糖测量设备体征数据的快速识别,并按照护理管理规则自动记录至医疗系统。结果生命体征采集系统应用后,体征数据采集正确率由99.67%提高至100.00%,次均采集时间缩短29.21%,医护满意度提升5.74%,且差异均有统计学意义(P<0.05)。结论该系统以真实体征数据保障有效诊断,进一步提高了病区护理工作效率,提升了护理质量水平与准确性。