现有光伏功率预测方法中,存在大多使用单点映射未能充分挖掘数据中蕴含的局部时序模式、未能深入探究时间数据对光伏出力的全局指导作用和未考虑普遍存在的数据漂移现象对模型的影响等问题,导致模型预测精度不高、鲁棒性不强。针对上述...现有光伏功率预测方法中,存在大多使用单点映射未能充分挖掘数据中蕴含的局部时序模式、未能深入探究时间数据对光伏出力的全局指导作用和未考虑普遍存在的数据漂移现象对模型的影响等问题,导致模型预测精度不高、鲁棒性不强。针对上述问题,提出一种基于改进PatchTST(patch time series transformer)模型的超短期光伏功率预测方法。利用粗糙集既能考虑特征与标签的关系又能考虑特征间耦合关系的特点,进行特征降维,保留决策信息;使用改进通道独立机制的PatchTST模型,提取局部时序模式的同时,捕捉气象要素和光伏出力间的复杂映射关系;此外,使用GLAFF(global-local attention fusion framework)插件获取时间数据中的全局指导信息;使用自适应的权重分配机制动态调整局部信息和全局信息的比例,以缓解数据漂移对模型性能的负面影响。使用内蒙古和澳大利亚两光伏电站的实测数据集进行实验验证,结果表明,所提模型在预测精度和鲁棒性方面具有优势。展开更多
光伏功率日前预测的准确性对电网的能源管理至关重要。针对光伏功率随机性及波动性大、预测精度不高的问题,文章提出一种基于PatchTST-STL模型的光伏发电功率日前预测方法。该方法通过引入时序块和季节趋势分解(seasonal and trend deco...光伏功率日前预测的准确性对电网的能源管理至关重要。针对光伏功率随机性及波动性大、预测精度不高的问题,文章提出一种基于PatchTST-STL模型的光伏发电功率日前预测方法。该方法通过引入时序块和季节趋势分解(seasonal and trend decomposition using loess,STL)改进Transformer的输入和架构,将每个时间步作为1个令牌(Token)改进为每个时序块(Patch)作为1个令牌,使得局部依赖关系被保留在1个令牌内,以提升局部模式捕捉能力,同时利用Transformer多头自注意力机制抽取序列长期依赖关系。考虑到光伏序列的模式复杂,采用STL对多变量光伏序列进行处理,分离出趋势、周期和残差部分,作为独立通道输入。使用灰狼优化算法(grey wolf optimizer,GWO)对模型超参数中时序块大小进行优化,以实现算法快速收敛。在澳大利亚沙漠知识太阳能中心数据集的实验结果表明,所提算法与Informer相比,平均绝对误差(mean absolute error,MAE)和均方根误差(root mean square error,RMSE)平均分别降低了36.7%和11.7%;与Transformer相比,MAE和RMSE平均分别降低了57.6%和30.9%。展开更多
The alpine grassland vegetation on the Qinghai-Tibet Plateau is composed of plant patches in varied sizes.It remains uncertain whether vegetation recovery following grazing exclusion(GE)in degraded grasslands is drive...The alpine grassland vegetation on the Qinghai-Tibet Plateau is composed of plant patches in varied sizes.It remains uncertain whether vegetation recovery following grazing exclusion(GE)in degraded grasslands is driven by increases in patches number(NP),patch size(PS),or both.We based our predictions on two hypotheses:GE intensifies plant competition,and facilitation prevails near patches while competition prevails in interpatch spaces.We predicted that the NP would remain stable or decrease and PS would increase under GE treatment.To evaluate these predictions,we conducted a study in six lightly degraded alpine grasslands under free grazing(FG)conditions in Bangor County,Xizang Autonomous Region,China,with corresponding GE treatments using transects in 2017 and 2018.Results revealed that four sites in 2017 and five sites in 2018 had reduced NP and increased PS,with probabilities of 0.033(2017)and 0.004(2018),respectively,and a joint probability of 0.0001 under the null hypothesis that GE does not affect NP or PS.The NP reduction was solely due to the decrease in small patch sizes.An increase in PS was common across species,and a predominant tendency for NP reduction was observed among species across the sites.The overall changes in NP and PS were primarily driven by the three most abundant species(contributing more than 60%in both years),rather than by shifts in floristic composition.Our findings highlight that vegetation recovery in Bangor alpine steppes following GE relies solely on the expansion of existing patches rather than the recruitment of new ones in interpatch gaps.We recommend prioritizing growth-promoting measures,such as nutrient or water management,over seed addition when assisting with GE for restoring lightly degraded grasslands.展开更多
Root exudation-related traits are crucial for a plant acquiring spatially heterogeneous soil phosphorus(P)resources.Integrating root exudation traits into root trait networks reveals plant foraging strategies and trai...Root exudation-related traits are crucial for a plant acquiring spatially heterogeneous soil phosphorus(P)resources.Integrating root exudation traits into root trait networks reveals plant foraging strategies and trait coordination in P-rich patches,thereby providing deeper insights into the adaptation mechanisms employed by species.We constructed root trait networks for seventeen AM-associated tree species from a subtropical evergreen broad-leaved forest,aiming to analyze the regulatory mechanisms of P patch availability on plant belowground strategies by incorporating root exudation traits,mycorrhizal traits,and traditional absorptive root traits.Results showed that the carbon release rate of general root exudates(RE)and root acid phosphatase activity exhibited significant interspecific variations and were accordingly assigned to the exploration and the chemical traits modules,respectively.P addition reduced the connectivity of the trait network(lowering edge density and average path length)and increased modularity,thereby indicating a shift from a highly integrated collaborative strategy to a more flexible modular strategy in plants.Notably,most traits did not show systematic responses across species to P addition,except for RE,which decreased significantly in P-rich patches.This divergency in trait responses shows that co-existing tree species adopt diverse P acquisition strategies.This study elucidates the belowground responses of plants to P heterogeneity by demonstrating the reorganization of root trait networks and the functional differentiation of exudation traits,offering a novel trait-modularity perspective on species coexistence in subtropical forests.展开更多
Microneedles(MNs)have been extensively investigated for transdermal delivery of large-sized drugs,including proteins,nucleic acids,and even extracellular vesicles(EVs).However,for their sufficient skin penetration,con...Microneedles(MNs)have been extensively investigated for transdermal delivery of large-sized drugs,including proteins,nucleic acids,and even extracellular vesicles(EVs).However,for their sufficient skin penetration,conventional MNs employ long needles(≥600μm),leading to pain and skin irritation.Moreover,it is critical to stably apply MNs against complex skin surfaces for uniform nanoscale drug delivery.Herein,a dually amplified transdermal patch(MN@EV/SC)is developed as the stem cell-derived EV delivery platform by hierarchically integrating an octopusinspired suction cup(SC)with short MNs(≤300μm).While leveraging the suction effect to induce nanoscale deformation of the stratum corneum,MN@EV/SC minimizes skin damage and enhances the adhesion of MNs,allowing EV to penetrate deeper into the dermis.When MNs of various lengths are applied to mouse skin,the short MNs can elicit comparable corticosterone release to chemical adhesives,whereas long MNs induce a prompt stress response.MN@EV/SC can achieve a remarkable penetration depth(290μm)for EV,compared to that of MN alone(111μm).Consequently,MN@EV/SC facilitates the revitalization of fibroblasts and enhances collagen synthesis in middle-aged mice.Overall,MN@EV/SC exhibits the potential for skin regeneration by modulating the dermal microenvironment and ensuring patient comfort.展开更多
In this study,we developed a novel bilayered scaffold consisting of a bottom layer composed of the Decellularized Bovine Pericardium(DP)coated with Polyaniline Nanoparticles(PANINPs)and a top layer made of an electros...In this study,we developed a novel bilayered scaffold consisting of a bottom layer composed of the Decellularized Bovine Pericardium(DP)coated with Polyaniline Nanoparticles(PANINPs)and a top layer made of an electrospun Poly(lactic-co-glycolic acid)/Gelatin(PLGA/Gel)membrane incorporated with Vascular Endothelial Growth Fac-tor(VEGF)and hawthorn extract.Functionally,the DP supplies native Extracellular Matrix(ECM)components and mechanical support,while PANINPs provide conductivity.The electrospun PLGA/Gel layer mimics fibrous ECM.It incorporates bioactives,with VEGF promoting pro-angiogenic stimulation and hawthorn extract enhanc-ing anticoagulant activity,as well as increasing surface hydrophilicity.The tissue adhesive ensures the interfacial integrity between the two layers.Decellularization efficiency was confirmed histologically using 4',6-diamidino-2-phenylindole(DAPI)and Hematoxylin-Eosin(H&E)staining.The DP exhibited a DNA content of 115.9±47.8 ng/mg DNA,compared to 982.88±395.42 ng/mg in Native Pericardium(NP).The PANINPs had an average par-ticle size of 104.94±13.7 nm.The conductivity of PANINPs-coated decellularized pericardium was measured to be 9.093±8.6×10-4 S/cm using the four-point probe method.PLGA/Gel membranes containing hawthorn extract(1%,5%,10%,and 15%w/v)and VEGF(0.1μg/mL,0.5μg/mL,and 1μg/mL)were fabricated by electrospinning,result-ing in fiber diameters between 850 and 1200 nm and pore sizes between 14 and 20μm.The anticoagulant efficiency of the membranes containing hawthorn extract reached 430 s in the Activated Partial Thromboplastin Time Assay(aPTT).Mechanical testing revealed a tensile strength of 22.70±6.33 MPa,an elongation of 53.58±10.63%,and Young's modulus of 0.67±0.10 MPa.The scaffold also exhibited over 91%cell viability and excellent cardiomyo-cyte adhesion.The hemolysis ratio was determined to be 0.421±0.191%,which confirms its blood compatibility.Our results indicate that the proposed bilayered scaffold can be a promising candidate for cardiac patch applications.展开更多
making use of an adaption of Arnold variational principle[4],we construct a family of vortex patches of the inviscid,incompressible steady flow in a finite channel T×[0,1].
高压电缆长期过热可能导致绝缘热击穿,进而影响电网的稳定性。然而,当前研究主要集中在传统预测模型上,忽略了温度数据的复杂性和动态特征。为了解决此问题,提出一种基于多尺度Patch与卷积交互的电缆温度预测模型(MSP-CI)。首先,采用通...高压电缆长期过热可能导致绝缘热击穿,进而影响电网的稳定性。然而,当前研究主要集中在传统预测模型上,忽略了温度数据的复杂性和动态特征。为了解决此问题,提出一种基于多尺度Patch与卷积交互的电缆温度预测模型(MSP-CI)。首先,采用通道重组采样方法降低输入维度,并构建多尺度Patch分支结构,以实现复杂时间序列的解耦;其次,结合序列分解与卷积交互策略,分别提取粗粒度Patch的宏观信息与细粒度Patch的微观信息;最后,构建注意力融合模块,以动态平衡宏观与微观信息的权重,并得到最终的预测结果。在真实高压电缆温度数据集上的实验结果表明,MSP-CI相较于TimeMixer、PatchTST(Patch Time Series Transformer)和MSGNet(Multi-Scale interseries Graph Network)等基线模型,在均方误差(MSE)上下降了7.02%~34.87%,在平均绝对误差(MAE)上下降了5.15%~32.04%。可见,MSP-CI能有效提升电缆温度预测的准确率,为电力调度运行提供依据。展开更多
AIM:To evaluate nanosilver eye patches versus Atrauman nanosilver dressings for ocular surface trauma.METHODS:This randomized non-inferiority trial(November 2024-April 2025)enrolled 60 patients assessed pre-treatment ...AIM:To evaluate nanosilver eye patches versus Atrauman nanosilver dressings for ocular surface trauma.METHODS:This randomized non-inferiority trial(November 2024-April 2025)enrolled 60 patients assessed pre-treatment and on days 1,7,and 14 post-treatment.The patients were then randomized into treatment(nanosilver eye patches)and control groups(Atrauman nanosilver dressings).Outcomes included wound healing,comfort(Ocular Comfort Index,OCI),and safety.Statistical analyses used t-tests,non-inferiority tests,and Chi-square tests.RESULTS:Patient baseline characteristics were comparable between groups,with a mean age of 60.633±10.934 in the treatment group versus 64.933±9.606 in controls,and similar gender distribution(20/10 vs 17/13 male/female).Both groups showed comparable baseline OCI scores(treatment group:6.100±2.187 vs control group:6.267±2.303,P=0.775).Following treatment,scores increased significantly at day 1(treatment group:9.367±2.251;control group:9.067±2.212,both P<0.001 vs baseline).Marked improvement was observed by day 7(treatment group:4.067±1.929;control group:3.900±1.918,P<0.001 vs baseline),with complete resolution at day 14(0.467±0.860 vs 0.467±1.008,P<0.001).The non-inferiority criterion was met.The treatment group showed greater improvement in Grade A wound healing rates(76.67%to 93.33%)compared to controls(80.00%to 86.67%)between 1 and 7d post-treatment.By 14d posttreatment,all patients achieved Grade A healing in both groups,with no Grade C cases observed throughout the study period.No adverse events were reported.CONCLUSION:Nanosilver eye patches are non-inferior to Atrauman dressings,offering effective,safe emergency care for ocular trauma.展开更多
摘要现有光伏功率预测方法中,存在大多使用单点映射未能充分挖掘数据中蕴含的局部时序模式、未能深入探究时间数据对光伏出力的全局指导作用和未考虑普遍存在的数据漂移现象对模型的影响等问题,导致模型预测精度不高、鲁棒性不强。针对上述问题,提出一种基于改进PatchTST(patch time series transformer)模型的超短期光伏功率预测方法。利用粗糙集既能考虑特征与标签的关系又能考虑特征间耦合关系的特点,进行特征降维,保留决策信息;使用改进通道独立机制的PatchTST模型,提取局部时序模式的同时,捕捉气象要素和光伏出力间的复杂映射关系;此外,使用GLAFF(global-local attention fusion framework)插件获取时间数据中的全局指导信息;使用自适应的权重分配机制动态调整局部信息和全局信息的比例,以缓解数据漂移对模型性能的负面影响。使用内蒙古和澳大利亚两光伏电站的实测数据集进行实验验证,结果表明,所提模型在预测精度和鲁棒性方面具有优势。
摘要光伏功率日前预测的准确性对电网的能源管理至关重要。针对光伏功率随机性及波动性大、预测精度不高的问题,文章提出一种基于PatchTST-STL模型的光伏发电功率日前预测方法。该方法通过引入时序块和季节趋势分解(seasonal and trend decomposition using loess,STL)改进Transformer的输入和架构,将每个时间步作为1个令牌(Token)改进为每个时序块(Patch)作为1个令牌,使得局部依赖关系被保留在1个令牌内,以提升局部模式捕捉能力,同时利用Transformer多头自注意力机制抽取序列长期依赖关系。考虑到光伏序列的模式复杂,采用STL对多变量光伏序列进行处理,分离出趋势、周期和残差部分,作为独立通道输入。使用灰狼优化算法(grey wolf optimizer,GWO)对模型超参数中时序块大小进行优化,以实现算法快速收敛。在澳大利亚沙漠知识太阳能中心数据集的实验结果表明,所提算法与Informer相比,平均绝对误差(mean absolute error,MAE)和均方根误差(root mean square error,RMSE)平均分别降低了36.7%和11.7%;与Transformer相比,MAE和RMSE平均分别降低了57.6%和30.9%。
基金financially supported by the Science and Technology Bureau of Ali Prefecture,project named“Assessing the Carbon Sequestration and Carbon Sink Enhancement Potential of Natural Ecosystems in Ali Region(QYXTZX-AL2022-05)”。
摘要The alpine grassland vegetation on the Qinghai-Tibet Plateau is composed of plant patches in varied sizes.It remains uncertain whether vegetation recovery following grazing exclusion(GE)in degraded grasslands is driven by increases in patches number(NP),patch size(PS),or both.We based our predictions on two hypotheses:GE intensifies plant competition,and facilitation prevails near patches while competition prevails in interpatch spaces.We predicted that the NP would remain stable or decrease and PS would increase under GE treatment.To evaluate these predictions,we conducted a study in six lightly degraded alpine grasslands under free grazing(FG)conditions in Bangor County,Xizang Autonomous Region,China,with corresponding GE treatments using transects in 2017 and 2018.Results revealed that four sites in 2017 and five sites in 2018 had reduced NP and increased PS,with probabilities of 0.033(2017)and 0.004(2018),respectively,and a joint probability of 0.0001 under the null hypothesis that GE does not affect NP or PS.The NP reduction was solely due to the decrease in small patch sizes.An increase in PS was common across species,and a predominant tendency for NP reduction was observed among species across the sites.The overall changes in NP and PS were primarily driven by the three most abundant species(contributing more than 60%in both years),rather than by shifts in floristic composition.Our findings highlight that vegetation recovery in Bangor alpine steppes following GE relies solely on the expansion of existing patches rather than the recruitment of new ones in interpatch gaps.We recommend prioritizing growth-promoting measures,such as nutrient or water management,over seed addition when assisting with GE for restoring lightly degraded grasslands.
基金supported by the National Natural Science Foundation of China(grant number 32301356)the Special Project for Guiding Science and Technology Development of Local Government by the Central Government of China(grant number 2022L3009).
摘要Root exudation-related traits are crucial for a plant acquiring spatially heterogeneous soil phosphorus(P)resources.Integrating root exudation traits into root trait networks reveals plant foraging strategies and trait coordination in P-rich patches,thereby providing deeper insights into the adaptation mechanisms employed by species.We constructed root trait networks for seventeen AM-associated tree species from a subtropical evergreen broad-leaved forest,aiming to analyze the regulatory mechanisms of P patch availability on plant belowground strategies by incorporating root exudation traits,mycorrhizal traits,and traditional absorptive root traits.Results showed that the carbon release rate of general root exudates(RE)and root acid phosphatase activity exhibited significant interspecific variations and were accordingly assigned to the exploration and the chemical traits modules,respectively.P addition reduced the connectivity of the trait network(lowering edge density and average path length)and increased modularity,thereby indicating a shift from a highly integrated collaborative strategy to a more flexible modular strategy in plants.Notably,most traits did not show systematic responses across species to P addition,except for RE,which decreased significantly in P-rich patches.This divergency in trait responses shows that co-existing tree species adopt diverse P acquisition strategies.This study elucidates the belowground responses of plants to P heterogeneity by demonstrating the reorganization of root trait networks and the functional differentiation of exudation traits,offering a novel trait-modularity perspective on species coexistence in subtropical forests.
基金supported by National Research Foundation of Korea(NRF)grants funded by the Korean government(MSIT)(No.RS-2023-00256265,RS-2024-00352352,RS-2024-00405818)the Korean Fund for Regenerative Medicine(KFRM)grant funded by the Korea government(the Ministry of Science and ICT,the Ministry of Health&Welfare).(No.25A0102L1)support from the Market-led K-sensor technology program(RS-2022-00154781,Development of large-area wafer-level flexible/stretchable hybrid sensor platform technology for form factor-free highly integrated convergence sensor),funded By the Ministry of Trade,Industry&Energy(MOTIE,Korea).
摘要Microneedles(MNs)have been extensively investigated for transdermal delivery of large-sized drugs,including proteins,nucleic acids,and even extracellular vesicles(EVs).However,for their sufficient skin penetration,conventional MNs employ long needles(≥600μm),leading to pain and skin irritation.Moreover,it is critical to stably apply MNs against complex skin surfaces for uniform nanoscale drug delivery.Herein,a dually amplified transdermal patch(MN@EV/SC)is developed as the stem cell-derived EV delivery platform by hierarchically integrating an octopusinspired suction cup(SC)with short MNs(≤300μm).While leveraging the suction effect to induce nanoscale deformation of the stratum corneum,MN@EV/SC minimizes skin damage and enhances the adhesion of MNs,allowing EV to penetrate deeper into the dermis.When MNs of various lengths are applied to mouse skin,the short MNs can elicit comparable corticosterone release to chemical adhesives,whereas long MNs induce a prompt stress response.MN@EV/SC can achieve a remarkable penetration depth(290μm)for EV,compared to that of MN alone(111μm).Consequently,MN@EV/SC facilitates the revitalization of fibroblasts and enhances collagen synthesis in middle-aged mice.Overall,MN@EV/SC exhibits the potential for skin regeneration by modulating the dermal microenvironment and ensuring patient comfort.
摘要In this study,we developed a novel bilayered scaffold consisting of a bottom layer composed of the Decellularized Bovine Pericardium(DP)coated with Polyaniline Nanoparticles(PANINPs)and a top layer made of an electrospun Poly(lactic-co-glycolic acid)/Gelatin(PLGA/Gel)membrane incorporated with Vascular Endothelial Growth Fac-tor(VEGF)and hawthorn extract.Functionally,the DP supplies native Extracellular Matrix(ECM)components and mechanical support,while PANINPs provide conductivity.The electrospun PLGA/Gel layer mimics fibrous ECM.It incorporates bioactives,with VEGF promoting pro-angiogenic stimulation and hawthorn extract enhanc-ing anticoagulant activity,as well as increasing surface hydrophilicity.The tissue adhesive ensures the interfacial integrity between the two layers.Decellularization efficiency was confirmed histologically using 4',6-diamidino-2-phenylindole(DAPI)and Hematoxylin-Eosin(H&E)staining.The DP exhibited a DNA content of 115.9±47.8 ng/mg DNA,compared to 982.88±395.42 ng/mg in Native Pericardium(NP).The PANINPs had an average par-ticle size of 104.94±13.7 nm.The conductivity of PANINPs-coated decellularized pericardium was measured to be 9.093±8.6×10-4 S/cm using the four-point probe method.PLGA/Gel membranes containing hawthorn extract(1%,5%,10%,and 15%w/v)and VEGF(0.1μg/mL,0.5μg/mL,and 1μg/mL)were fabricated by electrospinning,result-ing in fiber diameters between 850 and 1200 nm and pore sizes between 14 and 20μm.The anticoagulant efficiency of the membranes containing hawthorn extract reached 430 s in the Activated Partial Thromboplastin Time Assay(aPTT).Mechanical testing revealed a tensile strength of 22.70±6.33 MPa,an elongation of 53.58±10.63%,and Young's modulus of 0.67±0.10 MPa.The scaffold also exhibited over 91%cell viability and excellent cardiomyo-cyte adhesion.The hemolysis ratio was determined to be 0.421±0.191%,which confirms its blood compatibility.Our results indicate that the proposed bilayered scaffold can be a promising candidate for cardiac patch applications.
基金supported by the NSF of China(12171247)the Startup Foundation for Introducing Talent of NUIST.
摘要making use of an adaption of Arnold variational principle[4],we construct a family of vortex patches of the inviscid,incompressible steady flow in a finite channel T×[0,1].
摘要高压电缆长期过热可能导致绝缘热击穿,进而影响电网的稳定性。然而,当前研究主要集中在传统预测模型上,忽略了温度数据的复杂性和动态特征。为了解决此问题,提出一种基于多尺度Patch与卷积交互的电缆温度预测模型(MSP-CI)。首先,采用通道重组采样方法降低输入维度,并构建多尺度Patch分支结构,以实现复杂时间序列的解耦;其次,结合序列分解与卷积交互策略,分别提取粗粒度Patch的宏观信息与细粒度Patch的微观信息;最后,构建注意力融合模块,以动态平衡宏观与微观信息的权重,并得到最终的预测结果。在真实高压电缆温度数据集上的实验结果表明,MSP-CI相较于TimeMixer、PatchTST(Patch Time Series Transformer)和MSGNet(Multi-Scale interseries Graph Network)等基线模型,在均方误差(MSE)上下降了7.02%~34.87%,在平均绝对误差(MAE)上下降了5.15%~32.04%。可见,MSP-CI能有效提升电缆温度预测的准确率,为电力调度运行提供依据。
基金Supported by High and New Technology Project of Hainan Key Research and Development Plan(No.ZDYF2024GXJS032)Health Care Special Project of PLA Logistics Research Fund(No.23BJZ37)Scientific Research Project of Health Industry in Hainan Province(No.22A200351).
摘要AIM:To evaluate nanosilver eye patches versus Atrauman nanosilver dressings for ocular surface trauma.METHODS:This randomized non-inferiority trial(November 2024-April 2025)enrolled 60 patients assessed pre-treatment and on days 1,7,and 14 post-treatment.The patients were then randomized into treatment(nanosilver eye patches)and control groups(Atrauman nanosilver dressings).Outcomes included wound healing,comfort(Ocular Comfort Index,OCI),and safety.Statistical analyses used t-tests,non-inferiority tests,and Chi-square tests.RESULTS:Patient baseline characteristics were comparable between groups,with a mean age of 60.633±10.934 in the treatment group versus 64.933±9.606 in controls,and similar gender distribution(20/10 vs 17/13 male/female).Both groups showed comparable baseline OCI scores(treatment group:6.100±2.187 vs control group:6.267±2.303,P=0.775).Following treatment,scores increased significantly at day 1(treatment group:9.367±2.251;control group:9.067±2.212,both P<0.001 vs baseline).Marked improvement was observed by day 7(treatment group:4.067±1.929;control group:3.900±1.918,P<0.001 vs baseline),with complete resolution at day 14(0.467±0.860 vs 0.467±1.008,P<0.001).The non-inferiority criterion was met.The treatment group showed greater improvement in Grade A wound healing rates(76.67%to 93.33%)compared to controls(80.00%to 86.67%)between 1 and 7d post-treatment.By 14d posttreatment,all patients achieved Grade A healing in both groups,with no Grade C cases observed throughout the study period.No adverse events were reported.CONCLUSION:Nanosilver eye patches are non-inferior to Atrauman dressings,offering effective,safe emergency care for ocular trauma.