The electrocatalytic nitrogen oxidation reaction(NOR)is a sustainable approach for converting N_(2)to NO_(3)^(-)under mild conditions.However,it still faces challenges including inefficient N_(2)absorption/activation ...The electrocatalytic nitrogen oxidation reaction(NOR)is a sustainable approach for converting N_(2)to NO_(3)^(-)under mild conditions.However,it still faces challenges including inefficient N_(2)absorption/activation and oxygen evolution competition,sluggish kinetics,low Faradaic efficiency,and limited nitrate yields.In this work,a novel two-dimensional(2D)layered MOF Mn-BCPPy(H_(2)BCPPy=3,5-di(4'-carboxyphenyl)pyridine)has been successfully synthesized.The framework is composed of a rod-manganese motifs and possesses abundant active sites including open metal sites(OMSs)and Lewis base sites(LBSs).The Mn-BCPPy is the first MOF catalyst applied in electrocatalytic NOR which NO_(3)^(-)exhibited relatively high activity with a yield of 99.75μg/(h·mg)and a Faraday efficiency(FE)of 32.09%.Furthermore,it can be used as fluorescent sensor for selectively and sensitively detect nitrofuran antibiotics(NFs).Therefore,this work explores the application of MOF materials in the field of electrocatalytic NOR,which reveals that manganese-based MOFs have great potential prospects.展开更多
目的/意义研发贴合急诊医学临床教学特点的病例模拟软件,并应用于医学生急诊临床实习教学,丰富急诊医学科等专科临床带教手段。方法/过程利用Visual Studio 2017平台开发软件并实现编辑病例与模拟训练两大核心功能,导入自主设计的急诊...目的/意义研发贴合急诊医学临床教学特点的病例模拟软件,并应用于医学生急诊临床实习教学,丰富急诊医学科等专科临床带教手段。方法/过程利用Visual Studio 2017平台开发软件并实现编辑病例与模拟训练两大核心功能,导入自主设计的急诊典型病例。将该软件应用于50名急诊实习医学生的教学实践,并通过问卷调查收集反馈意见。结果/结论学生对该软件的新颖性和整体效果表示认可,赞同将其用于急诊实习教学。软件的病史采集和体格检查功能有待提升。该病例模拟软件在急诊实习教学中应用前景广阔,值得进一步探索和推广。展开更多
基金supported by Natural Science Foundation of Shandong Province(ZR2021MB075)Fundamental Research Funds for the Central Universities,Ocean University of China(202461021).
文摘The electrocatalytic nitrogen oxidation reaction(NOR)is a sustainable approach for converting N_(2)to NO_(3)^(-)under mild conditions.However,it still faces challenges including inefficient N_(2)absorption/activation and oxygen evolution competition,sluggish kinetics,low Faradaic efficiency,and limited nitrate yields.In this work,a novel two-dimensional(2D)layered MOF Mn-BCPPy(H_(2)BCPPy=3,5-di(4'-carboxyphenyl)pyridine)has been successfully synthesized.The framework is composed of a rod-manganese motifs and possesses abundant active sites including open metal sites(OMSs)and Lewis base sites(LBSs).The Mn-BCPPy is the first MOF catalyst applied in electrocatalytic NOR which NO_(3)^(-)exhibited relatively high activity with a yield of 99.75μg/(h·mg)and a Faraday efficiency(FE)of 32.09%.Furthermore,it can be used as fluorescent sensor for selectively and sensitively detect nitrofuran antibiotics(NFs).Therefore,this work explores the application of MOF materials in the field of electrocatalytic NOR,which reveals that manganese-based MOFs have great potential prospects.
文摘目的/意义研发贴合急诊医学临床教学特点的病例模拟软件,并应用于医学生急诊临床实习教学,丰富急诊医学科等专科临床带教手段。方法/过程利用Visual Studio 2017平台开发软件并实现编辑病例与模拟训练两大核心功能,导入自主设计的急诊典型病例。将该软件应用于50名急诊实习医学生的教学实践,并通过问卷调查收集反馈意见。结果/结论学生对该软件的新颖性和整体效果表示认可,赞同将其用于急诊实习教学。软件的病史采集和体格检查功能有待提升。该病例模拟软件在急诊实习教学中应用前景广阔,值得进一步探索和推广。