The existing methods of landscape visual quality evaluation is mostly based on people's subjective feelings,and the objectivity and scientificity of evaluation results are insufficient.As an important means of exp...The existing methods of landscape visual quality evaluation is mostly based on people's subjective feelings,and the objectivity and scientificity of evaluation results are insufficient.As an important means of experimental psychology,eye movement technology can show great advantages and potential in landscape visual quality evaluation.On the basis of combing and summarizing the relevant literature,based on the explanation of the technical principle of eye movement analysis,the application field,research content,technical methods and other aspects of eye movement analysis were reviewed.The application prospect of eye movement technology in landscape visual quality evaluation was explored to provide theoretical reference for the in-depth evaluation and research of landscape visual quality evaluation theory.展开更多
In this paper, on the basis of the implementation of the national chemical industry standard analytical test methods and analysis of test items, a food additive quality analysis and inspection of network management ap...In this paper, on the basis of the implementation of the national chemical industry standard analytical test methods and analysis of test items, a food additive quality analysis and inspection of network management applications are developed using the development technology of Visual Basic language and computer system operating environment, to achieve a network management software for users on food additives of quality analytical testing. The software sets up an information sharing network platform for enterprise and quality management departments, which is a major innovation in the food additive quality analysis on test management methods and tools.展开更多
Access database technology and Visual Basic programming language are used to develop a set of chemical reagents quality analysis and inspection of intelligent management application software, and its stability was inv...Access database technology and Visual Basic programming language are used to develop a set of chemical reagents quality analysis and inspection of intelligent management application software, and its stability was investigated. The results show that the sotfware is used to manage intelligently the quality analysis of chemical reagents test each linkage, to upload and save the analysis of test data and results in the network in time for users, to build a network of information sharing platform for enterprises and quality management departments, and its quality of chemical reagents test results is used to manage by the computer with practical application value. The software is simple, convenient, fast, friendly interface, stable operation, accurate and reliable results, with a high value to promote the application.展开更多
Block-based visual programming languages enable programmers to focus on programming thinking without excessive coding or syntax attention.We find that projects written in visual programming languages like Scratch also...Block-based visual programming languages enable programmers to focus on programming thinking without excessive coding or syntax attention.We find that projects written in visual programming languages like Scratch also have bugs and code smells that cannot be avoided automatically.Existing studies analyze these problems by converting code into Abstract Syntax Trees(ASTs)before analysis.This process is time-consuming and analyzing the AST directly can be complex.In this paper,we propose a novel code image-based static analysis approach for visual programming languages,which mines code patterns in images to pre-determine whether there are problems in projects without parsing them first.We train a code image object detection network to judge whether the input projects are likely to have bugs or smells.Further analysis is performed only on potentially problematic projects.Based on the proposals of the detection network,we analyze the key areas of the AST and identify the specific code problems.Experiments show that compared with others,our method can quickly determine code problems and accurately locate them.For the code image detection task,the improved model can achieve higher mean average precision(MAP)faster in the training phase,while the model is smaller and faster in inference.展开更多
AIM:To evaluate the effect of low-degree astigmatism on objective visual quality through the Optical Quality Analysis System(OQAS).METHODS:This study enrolled 46 participants(aged 23 to 30y,90 eyes)with normal or corr...AIM:To evaluate the effect of low-degree astigmatism on objective visual quality through the Optical Quality Analysis System(OQAS).METHODS:This study enrolled 46 participants(aged 23 to 30y,90 eyes)with normal or corrected-to-normal vision.The cylindrical lenses(0,0.5,0.75,1.0,and 1.25 D)were placed at the axial direction(180°,45°,90°,and 135°)in front of the eyes with the best correction to form 16 types of regular low-degree astigmatism.OQAS was used to detect the objective visual quality,recorded as the objective scattering index(OSI),OQAS values at contrasts of 100%,20%,and 9%predictive visual acuity(OV100%,OV20%,and OV9%),modulation transfer function cut-off(MTFcut-off)and Strehl ratio(SR).The mixed effect linear model was used to compare objective visual quality differences between groups and examine associations between astigmatic magnitude and objective visual quality parameters.RESULTS:Apparent negative relationships between the magnitude of low astigmatism and objective visual quality were observed.The increase of OSI per degree of astigmatism at 180°,45°,90°,and 135°axis were 0.38(95%CI:0.35,0.42),0.50(95%CI:0.46,0.53),0.49(95%CI:0.45,0.54)and 0.37(95%CI:0.34,0.41),respectively.The decrease of MTFcut-off per degree of astigmatism at 180°,45°,90°,and 135°axis were-10.30(95%CI:-11.43,-9.16),-12.73(95%CI:-13.62,-11.86),-12.75(95%CI:-13.79,-11.70),and-9.97(95%CI:-10.92,-9.03),respectively.At the same astigmatism degree,OSI at 45°and 90°axis were higher than that at 0°and 135°axis,while MTFcut-off were lower.CONCLUSION:Low astigmatism of only 0.50 D can significantly reduce the objective visual quality.展开更多
目的:系统梳理DRGs支付模式对医疗服务质量影响领域的研究热点与进展情况。方法:本研究基于Web of Science(WOS)核心合集数据库,利用CitNetExplorer文献计量软件,对1986—2025年10月间收录的206篇相关文献进行引文网络分析与可视化挖掘...目的:系统梳理DRGs支付模式对医疗服务质量影响领域的研究热点与进展情况。方法:本研究基于Web of Science(WOS)核心合集数据库,利用CitNetExplorer文献计量软件,对1986—2025年10月间收录的206篇相关文献进行引文网络分析与可视化挖掘。结果:针对DRGs支付模式对医疗服务质量影响的研究时间跨度较长,近几年进入快速增长期,当前研究热点可以划分为:(1)DRGs支付模式应用于医疗质量评价的研究;(2)DRGs支付模式对医疗服务质量的现实影响效果研究;(3)DRGs支付模式对医疗服务质量影响的异质性研究;(4)DRGs支付模式对医疗服务质量的影响机制与路径研究。未来需要尝试构建多维度分析模型,识别影响政策成效的关键情境因素,同时聚焦核心问题深入解析复杂因果作用机制,为优化DRGs支付模式和提高医疗服务质量提供更坚实的理论支撑。展开更多
目的通过分析2000至2025年中国知网(CNKI)和Web of Science数据库中关于高血压与睡眠质量的文献,探讨该领域的研究现状、热点及发展趋势,为优化高血压患者睡眠管理及未来研究提供科学依据。方法采用CiteSpace(6.3.R1)软件对检索到的414...目的通过分析2000至2025年中国知网(CNKI)和Web of Science数据库中关于高血压与睡眠质量的文献,探讨该领域的研究现状、热点及发展趋势,为优化高血压患者睡眠管理及未来研究提供科学依据。方法采用CiteSpace(6.3.R1)软件对检索到的4146篇文献(中文1808篇,英文2338篇)进行文献计量学与可视化分析。结果美国是英文文献发文量最高的国家(645篇),中国位列第2名(406篇)。哈佛大学医学院(93篇)为国外发文量最高的机构,北京中医药大学(37篇)为国内核心研究机构。新疆维吾尔自治区人民医院高血压中心的Li Nanfang以及法国格勒诺布尔大学医院的Pepin Jean-Louis发文量最多(8篇)。英文文献聚焦睡眠质量、危险因素及血压水平,中文研究则侧重于护理干预与危险因素分析。时间线分析结果显示,2009年后关于高血压与睡眠质量的研究进入快速增长期,2020年后“不良情绪”和“血压水平”成为新兴突现词。结论关于高血压患者睡眠质量研究呈现多学科交叉趋势,美国在该领域处于领先地位,研究重点已从基础睡眠监测转向心理社会因素及个性化干预。可穿戴设备结合人工智能的睡眠评估应用、肠道菌群-脑-血压轴机制是该领域两大前沿方向,但跨区域合作网络尚未完善,仍需强化。建议深化临床与公共卫生领域的协同研究,进而构建睡眠-血压综合管理模式。展开更多
土壤质量评价是保障区域生态安全和实现农业可持续发展的关键基础,系统梳理土壤质量评价研究的发展脉络对推动该领域科学决策和方法创新具有重要意义。运用CiteSpace与VOSviewer可视化工具,对Web of Science核心数据库2005—2025年间相...土壤质量评价是保障区域生态安全和实现农业可持续发展的关键基础,系统梳理土壤质量评价研究的发展脉络对推动该领域科学决策和方法创新具有重要意义。运用CiteSpace与VOSviewer可视化工具,对Web of Science核心数据库2005—2025年间相关文献进行了文献计量分析,内容涵盖发文量、国家、机构、作者、关键词及高被引文献等维度。结果表明:近20年来,该领域研究呈显著增长态势。美国在学术影响力方面居于主导地位,中国虽起步较晚,但发文总量已跃居全球首位,展现出强劲的发展潜力;关键词聚类分析可归纳出三大研究主题:土壤肥力与管理、土壤环境与健康、土壤质量评价指标与体系;研究前沿分析表明,基于机器学习算法评价土壤质量、筛选指标构建最小数据集、结合遥感进行数字土壤制图、微生物学指标纳入评价将成为方法学研究的重点方向,而土壤健康与可持续发展、土壤生态系统服务功能是当前的研究热点。系统梳理、总结了国际土壤质量评价的研究进展和前沿热点,旨在为我国相关领域的科研布局与方法创新提供参考。展开更多
基金Supported by the National Natural Science Foundation of China(32001366)General Project of China Postdoctoral Science Foundation(2022M710403).
文摘The existing methods of landscape visual quality evaluation is mostly based on people's subjective feelings,and the objectivity and scientificity of evaluation results are insufficient.As an important means of experimental psychology,eye movement technology can show great advantages and potential in landscape visual quality evaluation.On the basis of combing and summarizing the relevant literature,based on the explanation of the technical principle of eye movement analysis,the application field,research content,technical methods and other aspects of eye movement analysis were reviewed.The application prospect of eye movement technology in landscape visual quality evaluation was explored to provide theoretical reference for the in-depth evaluation and research of landscape visual quality evaluation theory.
文摘In this paper, on the basis of the implementation of the national chemical industry standard analytical test methods and analysis of test items, a food additive quality analysis and inspection of network management applications are developed using the development technology of Visual Basic language and computer system operating environment, to achieve a network management software for users on food additives of quality analytical testing. The software sets up an information sharing network platform for enterprise and quality management departments, which is a major innovation in the food additive quality analysis on test management methods and tools.
文摘Access database technology and Visual Basic programming language are used to develop a set of chemical reagents quality analysis and inspection of intelligent management application software, and its stability was investigated. The results show that the sotfware is used to manage intelligently the quality analysis of chemical reagents test each linkage, to upload and save the analysis of test data and results in the network in time for users, to build a network of information sharing platform for enterprises and quality management departments, and its quality of chemical reagents test results is used to manage by the computer with practical application value. The software is simple, convenient, fast, friendly interface, stable operation, accurate and reliable results, with a high value to promote the application.
基金supported by the National Natural Science Foundation of China(Nos.62272052 and 62172051).
文摘Block-based visual programming languages enable programmers to focus on programming thinking without excessive coding or syntax attention.We find that projects written in visual programming languages like Scratch also have bugs and code smells that cannot be avoided automatically.Existing studies analyze these problems by converting code into Abstract Syntax Trees(ASTs)before analysis.This process is time-consuming and analyzing the AST directly can be complex.In this paper,we propose a novel code image-based static analysis approach for visual programming languages,which mines code patterns in images to pre-determine whether there are problems in projects without parsing them first.We train a code image object detection network to judge whether the input projects are likely to have bugs or smells.Further analysis is performed only on potentially problematic projects.Based on the proposals of the detection network,we analyze the key areas of the AST and identify the specific code problems.Experiments show that compared with others,our method can quickly determine code problems and accurately locate them.For the code image detection task,the improved model can achieve higher mean average precision(MAP)faster in the training phase,while the model is smaller and faster in inference.
文摘AIM:To evaluate the effect of low-degree astigmatism on objective visual quality through the Optical Quality Analysis System(OQAS).METHODS:This study enrolled 46 participants(aged 23 to 30y,90 eyes)with normal or corrected-to-normal vision.The cylindrical lenses(0,0.5,0.75,1.0,and 1.25 D)were placed at the axial direction(180°,45°,90°,and 135°)in front of the eyes with the best correction to form 16 types of regular low-degree astigmatism.OQAS was used to detect the objective visual quality,recorded as the objective scattering index(OSI),OQAS values at contrasts of 100%,20%,and 9%predictive visual acuity(OV100%,OV20%,and OV9%),modulation transfer function cut-off(MTFcut-off)and Strehl ratio(SR).The mixed effect linear model was used to compare objective visual quality differences between groups and examine associations between astigmatic magnitude and objective visual quality parameters.RESULTS:Apparent negative relationships between the magnitude of low astigmatism and objective visual quality were observed.The increase of OSI per degree of astigmatism at 180°,45°,90°,and 135°axis were 0.38(95%CI:0.35,0.42),0.50(95%CI:0.46,0.53),0.49(95%CI:0.45,0.54)and 0.37(95%CI:0.34,0.41),respectively.The decrease of MTFcut-off per degree of astigmatism at 180°,45°,90°,and 135°axis were-10.30(95%CI:-11.43,-9.16),-12.73(95%CI:-13.62,-11.86),-12.75(95%CI:-13.79,-11.70),and-9.97(95%CI:-10.92,-9.03),respectively.At the same astigmatism degree,OSI at 45°and 90°axis were higher than that at 0°and 135°axis,while MTFcut-off were lower.CONCLUSION:Low astigmatism of only 0.50 D can significantly reduce the objective visual quality.
文摘目的:系统梳理DRGs支付模式对医疗服务质量影响领域的研究热点与进展情况。方法:本研究基于Web of Science(WOS)核心合集数据库,利用CitNetExplorer文献计量软件,对1986—2025年10月间收录的206篇相关文献进行引文网络分析与可视化挖掘。结果:针对DRGs支付模式对医疗服务质量影响的研究时间跨度较长,近几年进入快速增长期,当前研究热点可以划分为:(1)DRGs支付模式应用于医疗质量评价的研究;(2)DRGs支付模式对医疗服务质量的现实影响效果研究;(3)DRGs支付模式对医疗服务质量影响的异质性研究;(4)DRGs支付模式对医疗服务质量的影响机制与路径研究。未来需要尝试构建多维度分析模型,识别影响政策成效的关键情境因素,同时聚焦核心问题深入解析复杂因果作用机制,为优化DRGs支付模式和提高医疗服务质量提供更坚实的理论支撑。
文摘目的通过分析2000至2025年中国知网(CNKI)和Web of Science数据库中关于高血压与睡眠质量的文献,探讨该领域的研究现状、热点及发展趋势,为优化高血压患者睡眠管理及未来研究提供科学依据。方法采用CiteSpace(6.3.R1)软件对检索到的4146篇文献(中文1808篇,英文2338篇)进行文献计量学与可视化分析。结果美国是英文文献发文量最高的国家(645篇),中国位列第2名(406篇)。哈佛大学医学院(93篇)为国外发文量最高的机构,北京中医药大学(37篇)为国内核心研究机构。新疆维吾尔自治区人民医院高血压中心的Li Nanfang以及法国格勒诺布尔大学医院的Pepin Jean-Louis发文量最多(8篇)。英文文献聚焦睡眠质量、危险因素及血压水平,中文研究则侧重于护理干预与危险因素分析。时间线分析结果显示,2009年后关于高血压与睡眠质量的研究进入快速增长期,2020年后“不良情绪”和“血压水平”成为新兴突现词。结论关于高血压患者睡眠质量研究呈现多学科交叉趋势,美国在该领域处于领先地位,研究重点已从基础睡眠监测转向心理社会因素及个性化干预。可穿戴设备结合人工智能的睡眠评估应用、肠道菌群-脑-血压轴机制是该领域两大前沿方向,但跨区域合作网络尚未完善,仍需强化。建议深化临床与公共卫生领域的协同研究,进而构建睡眠-血压综合管理模式。
文摘土壤质量评价是保障区域生态安全和实现农业可持续发展的关键基础,系统梳理土壤质量评价研究的发展脉络对推动该领域科学决策和方法创新具有重要意义。运用CiteSpace与VOSviewer可视化工具,对Web of Science核心数据库2005—2025年间相关文献进行了文献计量分析,内容涵盖发文量、国家、机构、作者、关键词及高被引文献等维度。结果表明:近20年来,该领域研究呈显著增长态势。美国在学术影响力方面居于主导地位,中国虽起步较晚,但发文总量已跃居全球首位,展现出强劲的发展潜力;关键词聚类分析可归纳出三大研究主题:土壤肥力与管理、土壤环境与健康、土壤质量评价指标与体系;研究前沿分析表明,基于机器学习算法评价土壤质量、筛选指标构建最小数据集、结合遥感进行数字土壤制图、微生物学指标纳入评价将成为方法学研究的重点方向,而土壤健康与可持续发展、土壤生态系统服务功能是当前的研究热点。系统梳理、总结了国际土壤质量评价的研究进展和前沿热点,旨在为我国相关领域的科研布局与方法创新提供参考。
