The uncertainty and destructiveness of major emergencies have resulted in China attaching unprecedented importance to emergency management.Ineffective response to emergencies also exposes the shortage of emergency man...The uncertainty and destructiveness of major emergencies have resulted in China attaching unprecedented importance to emergency management.Ineffective response to emergencies also exposes the shortage of emergency management personnel and professionals,highlighting the necessity and urgency of emergency science education.Based on the actual needs of the state and society for emergency disciplines,this paper analyzes the logical possibilities of the emergency science and engineering discipline system design and gives a design framework.The study also puts forth measures to support implementation,such as conducting interdisciplinary pilot research and exploring the school's tradition of emergency science education.Including emergency science and engineering disciplines in interdisciplinary disciplines is conducive to enhancing resource investment,condensing academic consensus,accurately cultivating emergency personnel,achieving emergency technology breakthroughs,and providing a reference for the development of emergency science education in China.展开更多
Sequential energy transfer is ubiquitous in natural light-harvesting systems(LHSs),which greatly promotes the exploitation of light energy.The LHSs in nature are sophisticated supramolecular assemblies of chlorophyll ...Sequential energy transfer is ubiquitous in natural light-harvesting systems(LHSs),which greatly promotes the exploitation of light energy.The LHSs in nature are sophisticated supramolecular assemblies of chlorophyll molecules that carry out efficient light harvesting through cascade energy transfer process.Inspired by nature,scientists have paid much attention to fabricate stepwise LHSs based on assorted supramolecular scaffolds in recent years.Light-harvesting antennas and energy acceptors can be accommodated in particular scaffolds,which offer great convenience for energy transfer between them.These systems not only further mimic photosynthesis,but also demonstrate many potential applications,such as photocatalysis,tunable luminescence,and information encryption,etc.In this review article,aiming at offering a practical guide to this emerging research field,the introduction of construction strategies towards sequential LHSs will be presented.Different scaffolds are classified and highlighted,including host-guest assemblies,metal-coordination assemblies,as well as bio-macromolecular and other supramolecular scaffolds.展开更多
The current energy crisis is a worldwide problem and the search for clean and economic energy production is a global challenge.In this context,the exploitation and utilization of solar energy is becoming more and more...The current energy crisis is a worldwide problem and the search for clean and economic energy production is a global challenge.In this context,the exploitation and utilization of solar energy is becoming more and more popular.Photosynthesis in nature sets an outstanding example to harvest,transfer and store solar energy[1].In most of the photosynthetic organisms such as purple photosynthetic bacteria,the rigid protein scaffolds serve as key elements to bind pigments and control their excitation energy transfer.Sequential energy transfer is especially intriguing in this field to make full use of full-band solar energy.To mimic natural photosynthesis[2].展开更多
Molecular nanotubes are nanoscale organic materials with tubular architecture,that show potential applications in molecular recognition/separation,cross-membrane transportation,catalysis in confined spaces,and nanoele...Molecular nanotubes are nanoscale organic materials with tubular architecture,that show potential applications in molecular recognition/separation,cross-membrane transportation,catalysis in confined spaces,and nanoelectronics[1].However,the precise construction of molecular nanotubes with well-defined cavity sizes and shapes is non-trivial.展开更多
基金supported by the School of Emergency Management and the Emergency Science and Engineering Research Centre of Henan Polytechnic University(Jiaozuo,China).
文摘The uncertainty and destructiveness of major emergencies have resulted in China attaching unprecedented importance to emergency management.Ineffective response to emergencies also exposes the shortage of emergency management personnel and professionals,highlighting the necessity and urgency of emergency science education.Based on the actual needs of the state and society for emergency disciplines,this paper analyzes the logical possibilities of the emergency science and engineering discipline system design and gives a design framework.The study also puts forth measures to support implementation,such as conducting interdisciplinary pilot research and exploring the school's tradition of emergency science education.Including emergency science and engineering disciplines in interdisciplinary disciplines is conducive to enhancing resource investment,condensing academic consensus,accurately cultivating emergency personnel,achieving emergency technology breakthroughs,and providing a reference for the development of emergency science education in China.
基金the National Natural Science Foundation of China(No.21702020)is gratefully acknowledged。
文摘Sequential energy transfer is ubiquitous in natural light-harvesting systems(LHSs),which greatly promotes the exploitation of light energy.The LHSs in nature are sophisticated supramolecular assemblies of chlorophyll molecules that carry out efficient light harvesting through cascade energy transfer process.Inspired by nature,scientists have paid much attention to fabricate stepwise LHSs based on assorted supramolecular scaffolds in recent years.Light-harvesting antennas and energy acceptors can be accommodated in particular scaffolds,which offer great convenience for energy transfer between them.These systems not only further mimic photosynthesis,but also demonstrate many potential applications,such as photocatalysis,tunable luminescence,and information encryption,etc.In this review article,aiming at offering a practical guide to this emerging research field,the introduction of construction strategies towards sequential LHSs will be presented.Different scaffolds are classified and highlighted,including host-guest assemblies,metal-coordination assemblies,as well as bio-macromolecular and other supramolecular scaffolds.
文摘The current energy crisis is a worldwide problem and the search for clean and economic energy production is a global challenge.In this context,the exploitation and utilization of solar energy is becoming more and more popular.Photosynthesis in nature sets an outstanding example to harvest,transfer and store solar energy[1].In most of the photosynthetic organisms such as purple photosynthetic bacteria,the rigid protein scaffolds serve as key elements to bind pigments and control their excitation energy transfer.Sequential energy transfer is especially intriguing in this field to make full use of full-band solar energy.To mimic natural photosynthesis[2].
文摘Molecular nanotubes are nanoscale organic materials with tubular architecture,that show potential applications in molecular recognition/separation,cross-membrane transportation,catalysis in confined spaces,and nanoelectronics[1].However,the precise construction of molecular nanotubes with well-defined cavity sizes and shapes is non-trivial.
