目的:系统揭示鱼腥草研究领域的知识结构与发展脉络,为鱼腥草的深入研究和开发利用提供科学参考。方法:通过中国知网及Web of Science数据库检索建库至2025年7月3日以鱼腥草为主题的文献。基于文献计量学方法,借助CiteSpace结合VOSviewe...目的:系统揭示鱼腥草研究领域的知识结构与发展脉络,为鱼腥草的深入研究和开发利用提供科学参考。方法:通过中国知网及Web of Science数据库检索建库至2025年7月3日以鱼腥草为主题的文献。基于文献计量学方法,借助CiteSpace结合VOSviewer等可视化工具,对纳入文献的发文量、期刊分布、作者群体、研究机构、关键词及引用频次等进行深入剖析。结果:共纳入中文文献4 951篇,英文文献568篇,发文量整体呈现上升趋势。四川农业大学、怀化学院和湖南农业大学构成核心研究集群;伍贤进、吴卫、孟江、陈道峰、卢燕等学者形成核心作者群体;当前研究热点聚焦于鱼腥草的化学成分含量测定、物质基础及其在抗菌、抗炎、抗病毒等药理作用方面。结论:鱼腥草在化学成分分离、传统药理作用验证等领域已形成丰富积累,但在成分复杂性、作用机制、毒副作用及资源可持续性方面仍存不足。未来应强化多学科交叉,解析物质基础与靶点;注重资源可持续性,开展规范化种植。融合传统与现代技术,其在功能食品、新药、化妆品等领域前景广阔。需在扎实基础研究支撑下,通过临床循证及智能技术,推动鱼腥草从传统应用向现代化、科学化迈进,实现价值发掘与可持续利用。展开更多
Diamond tools play a critical role in ultra-precision machining due to their excellent physical and mechanical material properties,such as that cutting edge can be sharpened to nanoscale accuracy.However,abrasive chem...Diamond tools play a critical role in ultra-precision machining due to their excellent physical and mechanical material properties,such as that cutting edge can be sharpened to nanoscale accuracy.However,abrasive chemical reactions between diamond and non-diamond-machinable metal elements,including Fe,Cr,Ti,Ni,etc,can cause excessive tool wear in diamond cutting of such metals and most of their alloys.This paper reviews the latest achievements in the chemical wear and wear suppression methods for diamond tools in cutting of ferrous metals.The focus will be on the wear mechanism of diamond tools,and the typical wear reduction methods for diamond cutting of ferrous metals,including ultrasonic vibration cutting,cryogenic cutting,surface nitridation and plasma assisted cutting,etc.Relevant commercially available devices are introduced as well.Furthermore,future research trends in diamond tool wear suppression are discussed and examined.展开更多
文摘目的:系统揭示鱼腥草研究领域的知识结构与发展脉络,为鱼腥草的深入研究和开发利用提供科学参考。方法:通过中国知网及Web of Science数据库检索建库至2025年7月3日以鱼腥草为主题的文献。基于文献计量学方法,借助CiteSpace结合VOSviewer等可视化工具,对纳入文献的发文量、期刊分布、作者群体、研究机构、关键词及引用频次等进行深入剖析。结果:共纳入中文文献4 951篇,英文文献568篇,发文量整体呈现上升趋势。四川农业大学、怀化学院和湖南农业大学构成核心研究集群;伍贤进、吴卫、孟江、陈道峰、卢燕等学者形成核心作者群体;当前研究热点聚焦于鱼腥草的化学成分含量测定、物质基础及其在抗菌、抗炎、抗病毒等药理作用方面。结论:鱼腥草在化学成分分离、传统药理作用验证等领域已形成丰富积累,但在成分复杂性、作用机制、毒副作用及资源可持续性方面仍存不足。未来应强化多学科交叉,解析物质基础与靶点;注重资源可持续性,开展规范化种植。融合传统与现代技术,其在功能食品、新药、化妆品等领域前景广阔。需在扎实基础研究支撑下,通过临床循证及智能技术,推动鱼腥草从传统应用向现代化、科学化迈进,实现价值发掘与可持续利用。
基金This work was supported by Science Challenge Project(Nos.TZ2016006-0103 and TZ2016006-0107-02)National Natural Science Foundation of China(Nos.90923025 and 51905194)Science Fund for Creative Research Groups of NSFC(No.51621064).The sincere thanks are given to Professor Zhang Xinquan(Shanghai Jiao Tong University)for his comments,and Mr Xu Yongbo for his kind assistance.
文摘Diamond tools play a critical role in ultra-precision machining due to their excellent physical and mechanical material properties,such as that cutting edge can be sharpened to nanoscale accuracy.However,abrasive chemical reactions between diamond and non-diamond-machinable metal elements,including Fe,Cr,Ti,Ni,etc,can cause excessive tool wear in diamond cutting of such metals and most of their alloys.This paper reviews the latest achievements in the chemical wear and wear suppression methods for diamond tools in cutting of ferrous metals.The focus will be on the wear mechanism of diamond tools,and the typical wear reduction methods for diamond cutting of ferrous metals,including ultrasonic vibration cutting,cryogenic cutting,surface nitridation and plasma assisted cutting,etc.Relevant commercially available devices are introduced as well.Furthermore,future research trends in diamond tool wear suppression are discussed and examined.
