目的:利用CiteSpace软件可视化分析国内外重症监护室压力性损伤的相关文献,探讨该领域的研究热点和发展趋势。方法:检索中国知网和Web of Science中关于重症监护室压力性损伤的相关文献,检索时限为2010年1月1日—2023年6月1日。采用Cite...目的:利用CiteSpace软件可视化分析国内外重症监护室压力性损伤的相关文献,探讨该领域的研究热点和发展趋势。方法:检索中国知网和Web of Science中关于重症监护室压力性损伤的相关文献,检索时限为2010年1月1日—2023年6月1日。采用CiteSpace 6.2.R2对作者、机构和关键词进行可视化分析,绘制作者合作共现图谱、机构合作共现图谱、关键词共现、关键词聚类图谱以及突现词图谱。结果:共纳入1406篇文献,结果显示,2010—2023年国内和国外的发文量变化趋势不同;作者合作共现图谱显示国外学者间合作较紧密,但尚未形成作者群,而我国学者间合作较为稀疏;机构的分布显示澳大利亚具有较强的科研水平和影响力,而我国处于较为弱势的科研地位;研究热点可以归纳为风险评估、早期干预、医疗器械相关压力性损伤3个方面。结论:我国医护人员应结合研究热点,深化研究深度,同时加强跨学科、跨领域的合作交流,在循证的基础上为我国建立规范化、科学化的重症压力性损伤评估标准和预防策略,从而提高护理质量与满意度。展开更多
To achieve high quality factor and high-sensitivity refractive index sensor,a slot micro-ring resonator(MRR)based on asymmetric Fabry-Perot(FP)cavity was proposed.The structure consisted of a pair of elliptical holes ...To achieve high quality factor and high-sensitivity refractive index sensor,a slot micro-ring resonator(MRR)based on asymmetric Fabry-Perot(FP)cavity was proposed.The structure consisted of a pair of elliptical holes to form an FP cavity and a microring resonator.The two different optical modes generated by the micro-ring resonator were destructively interfered to form a Fano line shape,which improved the system sensitivity while obtaining a higher quality factor and extinction ratio.The transmission principle of the structure was analyzed by the transfer matrix method.The transmission spectrum and mode field distribution of the proposed structure were simulated by the finite difference time domain(FDTD)method,and the key structural parameters affecting the Fano line shape in the device were optimized.The simulation results show that the quality factor of the device reached 22037.1,and the extinction ratio was 23.9 dB.By analyzing the refractive index sensing characteristics,the sensitivity of the structure was 354 nm·RIU−1,and the detection limit of the sensitivity was 2×10−4 RIU.Thus,the proposed compact asymmetric FP cavity slot micro-ring resonator has obvious advantages in sensing applications owing to its excellent performance.展开更多
文摘目的:利用CiteSpace软件可视化分析国内外重症监护室压力性损伤的相关文献,探讨该领域的研究热点和发展趋势。方法:检索中国知网和Web of Science中关于重症监护室压力性损伤的相关文献,检索时限为2010年1月1日—2023年6月1日。采用CiteSpace 6.2.R2对作者、机构和关键词进行可视化分析,绘制作者合作共现图谱、机构合作共现图谱、关键词共现、关键词聚类图谱以及突现词图谱。结果:共纳入1406篇文献,结果显示,2010—2023年国内和国外的发文量变化趋势不同;作者合作共现图谱显示国外学者间合作较紧密,但尚未形成作者群,而我国学者间合作较为稀疏;机构的分布显示澳大利亚具有较强的科研水平和影响力,而我国处于较为弱势的科研地位;研究热点可以归纳为风险评估、早期干预、医疗器械相关压力性损伤3个方面。结论:我国医护人员应结合研究热点,深化研究深度,同时加强跨学科、跨领域的合作交流,在循证的基础上为我国建立规范化、科学化的重症压力性损伤评估标准和预防策略,从而提高护理质量与满意度。
基金supported by Natural Science Foundation of Gansu Province(No.22JR5RA320).
文摘To achieve high quality factor and high-sensitivity refractive index sensor,a slot micro-ring resonator(MRR)based on asymmetric Fabry-Perot(FP)cavity was proposed.The structure consisted of a pair of elliptical holes to form an FP cavity and a microring resonator.The two different optical modes generated by the micro-ring resonator were destructively interfered to form a Fano line shape,which improved the system sensitivity while obtaining a higher quality factor and extinction ratio.The transmission principle of the structure was analyzed by the transfer matrix method.The transmission spectrum and mode field distribution of the proposed structure were simulated by the finite difference time domain(FDTD)method,and the key structural parameters affecting the Fano line shape in the device were optimized.The simulation results show that the quality factor of the device reached 22037.1,and the extinction ratio was 23.9 dB.By analyzing the refractive index sensing characteristics,the sensitivity of the structure was 354 nm·RIU−1,and the detection limit of the sensitivity was 2×10−4 RIU.Thus,the proposed compact asymmetric FP cavity slot micro-ring resonator has obvious advantages in sensing applications owing to its excellent performance.
