目的:分析国际上嗓音训练的研究现状及前沿趋势,为我国嗓音训练研究提供新思路。方法:检索Web of Science核心合集数据库中关于嗓音训练的文献,检索时限为2013年1月1日—2023年7月31日,采用CiteSpace 6.1.R6软件进行可视化分析。结果:...目的:分析国际上嗓音训练的研究现状及前沿趋势,为我国嗓音训练研究提供新思路。方法:检索Web of Science核心合集数据库中关于嗓音训练的文献,检索时限为2013年1月1日—2023年7月31日,采用CiteSpace 6.1.R6软件进行可视化分析。结果:共检索出964篇文献,发文量整体呈上升趋势;发文量最多的国家为美国,有387篇;发文量最多的期刊是Journal of Voice。研究热点集中于不同嗓音障碍患者的嗓音康复、嗓音训练干预方式及改善生活质量、提高训练依从性等。嗓音训练在老年疾病中的应用可能是未来的研究趋势。结论:目前嗓音训练领域正朝着新的研究应用方向深入,公众对嗓音康复的需求增加,建议未来加强多学科协作,探索嗓音训练在更多不同人群和疾病的临床疗效。展开更多
In the present work,a remarkable combination of non-thermal plasma and photocatalyst was developed to widen the operating temperature window of selective catalytic reduction(SCR)of NOx with CH4,especially to improve t...In the present work,a remarkable combination of non-thermal plasma and photocatalyst was developed to widen the operating temperature window of selective catalytic reduction(SCR)of NOx with CH4,especially to improve the low-temperature removal efficiency of NOx.It was shown that the operating temperature window was significantly widened.Among all the catalysts prepared,1%Ag2O/TiO2 showed the highest catalytic activity for NOx removal due to the utilization of near ultraviolet light.The conversion of NOx to N2 over the in-plasma 1%Ag2O/TiO2 photocatalyst at 60 and 300℃ could achieve 31.8%and 53.0%,respectively.The combination mode of plasma and catalyst affected NOx removal efficiency greatly,the in-plasma catalysis outperformed the post-plasma catalytic mode remarkably,signifying the contribution of photocatalytic processes on the catalysts.Meanwhile,the characterizations of the catalyst demonstrated that the morphology and structure of the Ag2O/TiO2 catalyst were unchanged throughout the non-thermal plasma and photocatalytic processes,implying the superior stability of the catalyst.展开更多
文摘目的:分析国际上嗓音训练的研究现状及前沿趋势,为我国嗓音训练研究提供新思路。方法:检索Web of Science核心合集数据库中关于嗓音训练的文献,检索时限为2013年1月1日—2023年7月31日,采用CiteSpace 6.1.R6软件进行可视化分析。结果:共检索出964篇文献,发文量整体呈上升趋势;发文量最多的国家为美国,有387篇;发文量最多的期刊是Journal of Voice。研究热点集中于不同嗓音障碍患者的嗓音康复、嗓音训练干预方式及改善生活质量、提高训练依从性等。嗓音训练在老年疾病中的应用可能是未来的研究趋势。结论:目前嗓音训练领域正朝着新的研究应用方向深入,公众对嗓音康复的需求增加,建议未来加强多学科协作,探索嗓音训练在更多不同人群和疾病的临床疗效。
基金Supported by the Natural Science Foundation of Zhejiang Province,China(No.LQ17B060006).
文摘In the present work,a remarkable combination of non-thermal plasma and photocatalyst was developed to widen the operating temperature window of selective catalytic reduction(SCR)of NOx with CH4,especially to improve the low-temperature removal efficiency of NOx.It was shown that the operating temperature window was significantly widened.Among all the catalysts prepared,1%Ag2O/TiO2 showed the highest catalytic activity for NOx removal due to the utilization of near ultraviolet light.The conversion of NOx to N2 over the in-plasma 1%Ag2O/TiO2 photocatalyst at 60 and 300℃ could achieve 31.8%and 53.0%,respectively.The combination mode of plasma and catalyst affected NOx removal efficiency greatly,the in-plasma catalysis outperformed the post-plasma catalytic mode remarkably,signifying the contribution of photocatalytic processes on the catalysts.Meanwhile,the characterizations of the catalyst demonstrated that the morphology and structure of the Ag2O/TiO2 catalyst were unchanged throughout the non-thermal plasma and photocatalytic processes,implying the superior stability of the catalyst.
