ASP.Net Core MVC技术近几年被广泛应用于智能制造MES、控制、监控领域。本设计工作日志上传系统是利用ASP.Net Core MVC的优势,实现的功能是:在Oracle Linux 7.6服务器上发布应用程序,在任意接入服务器网内的PC上通过浏览器注册登录后...ASP.Net Core MVC技术近几年被广泛应用于智能制造MES、控制、监控领域。本设计工作日志上传系统是利用ASP.Net Core MVC的优势,实现的功能是:在Oracle Linux 7.6服务器上发布应用程序,在任意接入服务器网内的PC上通过浏览器注册登录后添加当日工作日志的功能。本设计使用ASP.Net Core MVC技术,基于内置依赖注入与接口的程序设计,结构清晰,应用发布跨平台,用户可将应用发布到Linux或Windows平台。展开更多
Genetic diversity is crucial to genetic research and crop breeding,and core collections are important resources for capturing this diversity.Recently,the core germplasm of tea plants was constructed mainly based on ph...Genetic diversity is crucial to genetic research and crop breeding,and core collections are important resources for capturing this diversity.Recently,the core germplasm of tea plants was constructed mainly based on phenotypic data or molecular markers;however,the effective construction of core germplasm resources for plant breeding programs requires consideration of multiple aspects.In this study,we collected 320 tea germplasm resources and analyzed their singlenucleotide polymorphisms(SNPs) and metabolite data.Abundant genetic diversity in tea plants was inferred from the mean values of observed heterozygosity(Ho=0.340),expected heterozygosity(He=0.327),minor allele frequency(MAF=0.229),and polymorphic information content(PIC=0.268),based on the data from 2,118,060 high-quality SNP markers.A mean genetic diversity index(H') value of 1.902 suggested significant metabolic variation.The 320 tea samples were categorized into six groups based on phylogenetic analysis,reflecting the influence of geographical origins on genetic diversity.Based on the genetic and metabolic data,a preliminary core collection of 106 accessions was developed to effectively represent most of the original panel's molecular,metabolic,population,and regional diversity.Genome-wide association studies of the core panel successfully replicated the marker-trait associations found in the original panel.This study contributes to the conservation and management of tea plant germplasm.展开更多
While the complexity of fifth-generation wireless networks is being widely commented upon,there is great anticipation for the arrival of the sixth generation(6G),with its enriched capabilities and features.It can easi...While the complexity of fifth-generation wireless networks is being widely commented upon,there is great anticipation for the arrival of the sixth generation(6G),with its enriched capabilities and features.It can easily be imagined that,without proper design,the enrichment of 6G will further increase system complexity.To address this issue,we propose the Agentic-AI Core(A-Core),an artificial intelligence(AI)-empowered,mission-oriented core network architecture for next-generation mobile telecommunications.In A-Core,network capabilities can be added and updated on the fly and further programmed into missions for enabling and offering diverse services to customers.These missions are created and executed by autonomous network agents according to the customer's intent,which may be expressed in natural language.The agents resolve intents from customers into workflows of network capabilities by leveraging a large-scale network AI model and follow the workflows to execute the mission.As an open,agile system architecture,A-Core holds promise for accelerating innovation and greatly reducing standard release times.The advantages of A-Core are demonstrated through two use cases.展开更多
Low reactivity and appropriate wettability between molten superalloys and ceramic materials are crucial for the production of high-quality superalloy castings.The sessile-drop experiment was employed to systematically...Low reactivity and appropriate wettability between molten superalloys and ceramic materials are crucial for the production of high-quality superalloy castings.The sessile-drop experiment was employed to systematically investigate the interfacial reaction and wettability between the 4777DS1 superalloy and SiO2-based ceramic core at various temperatures(1,480℃,1,500℃,1,520℃,and 1,550℃).The wetting behavior and interfacial reaction products at different temperatures were analyzed by scanning electron microscopy(SEM),energy dispersive spectroscopy(EDS),and X-ray diffraction(XRD).The interfacial reaction process and products were discussed,and the thermodynamic behavior and interfacial reaction mechanisms were elucidated.The results demonstrate that the wetting behavior and interfacial reaction between the 4777DS1 alloy and the ceramic core are significantly influenced by temperature.The wettability angle exhibits a trend of initial decrease followed by an increase with rising temperature,reaching a maximum of 139°at 1,480℃,indicating poorer wettability of the 4777DS1 superalloy with the ceramic core and better casting properties at this specific temperature.The most intense interfacial reaction occurs at 1,520℃,resulting in the formation of the main interfacial reaction products such as Al2O3,SiO2,and HfO2.Additionally,some crystal-like products rich in Si and Hf distribute on the reaction layer.展开更多
Objective:This study develops a core outcome set(COS)for clinical research concerning Chinese medicine(CM)dampness syndrome(COS-CMDS)that might improve heterogeneity of outcomes,reporting,and inadequate attention to t...Objective:This study develops a core outcome set(COS)for clinical research concerning Chinese medicine(CM)dampness syndrome(COS-CMDS)that might improve heterogeneity of outcomes,reporting,and inadequate attention to the CM characteristic outcomes in clinical research on CM dampness syndrome.Methods:An initial outcome pool was constructed based on a systematic review of clinical studies related to CM dampness,registered trials,and semi-structured interviews with patients and healthcare professionals.Various stakeholders were invited to participate in a 2-round Delphi survey to scrutinize the important outcomes.A consensus meeting was held to determine the final COS-CMDS.Results:We identified 1904 studies and 73 registered trials in the systematic review.Six patients and seven healthcare professionals were invited to participate in a semi-structured interview.Then,541 outcomes were extracted,of which 397 were physicochemical.After combining certain outcomes(especially the physicochemical outcomes)and excluding those with weak relevance by discussion,26 outcomes were included in round 1 of the Delphi survey.Round 1 was completed by 82.89%of participants,and 22 outcomes were carried on to round 2.Round 2 was completed by 92.06%of participants,and 14 outcomes achieved consensus for inclusion in the COS.Nineteen stakeholders attended the consensus meeting,voted,and discussed the final COS.It included evaluation of dampness syndrome,CM syndrome assessment,effective response,validated laboratory outcomes of CM dampness syndrome,and adverse events.Conclusion:The COS-CMDS provides a reference for the selection and reporting of outcomes in clinical research concerning CM dampness syndrome,embodying the characteristics of CM.展开更多
Correction to:Nano-Micro Lett.(2026)18:135 http://gffzzd3cc09b8251d45dfsqpf5uu0bbnk060vv.ffgz.tsg.suse.edu.cn/10.1007/s40820-025-01988-7 Following publication of the original article[1],the authors noticed that Fig.2 was published with an incorrect panel order,which d...Correction to:Nano-Micro Lett.(2026)18:135 http://gffzzd3cc09b8251d45dfsqpf5uu0bbnk060vv.ffgz.tsg.suse.edu.cn/10.1007/s40820-025-01988-7 Following publication of the original article[1],the authors noticed that Fig.2 was published with an incorrect panel order,which does not reflect the final intended version approved during the proof stage.As a result,the panel sequence in Fig.2 is inconsistent with the figure caption and manuscript text.This issue is limited strictly to the order and labeling of the figure panels.The experimental data,scientific interpretation,results,and conclusions of the paper remain completely unchanged.展开更多
The three-dimensional multiphase flow and the unreacted core desulfurization kinetic model were coupled to predict the sulfur content in hot metal during the Kanbara reactor(KR)stirring process.The effect of the impel...The three-dimensional multiphase flow and the unreacted core desulfurization kinetic model were coupled to predict the sulfur content in hot metal during the Kanbara reactor(KR)stirring process.The effect of the impeller rotation speed,initial sulfur content,desulfurizer diameter,and desulfurizer addition on the variation of the sulfur content and desulfurization rate was revealed.The accuracy of the current model was validated through industrial trials involving sampling and measurement of the sulfur content in hot metal.Results indicated that the speed of the hot metal and the vortex distribution were primary factors determining the dispersion degree of the desulfurizer and the desulfurization rate.The variation of the average sulfur content during the KR process essentially followed an exponential distribution.The desulfurization rate constant increased with the higher rotation speed,higher desulfurizer addition,and lower desulfurizer diameter.However,the initial sulfur content in the hot metal hardly affects the desulfurization rate constant.A formula for predicting the variation of the sulfur content with the initial sulfur content,impeller rotation speed,desulfurizer diameter,total mass of desulfurizers,total mass of hot metal,and desulfurization time was proposed to provide theoretical guidance for the actual production.展开更多
Fe-based nanocrystalline powders are ideal soft magnetic materials for matching the wide bandgap semiconductors.Previously developed Fe-based nanocrystalline alloys are difficult to produce high-quality precursor powd...Fe-based nanocrystalline powders are ideal soft magnetic materials for matching the wide bandgap semiconductors.Previously developed Fe-based nanocrystalline alloys are difficult to produce high-quality precursor powder by gas atomization due to their poor amorphous forming ability,and their following nanocrystallizations also require high temperatures or heating rates.In present work,we invented novel high-performance Fe-based nanocrystalline powders that can be directly manufactured by gas atomization without annealing.The as-atomized Fe73.3Si12B13Cu1.7nanocrystalline powders exhibit fine α-Fe(Si)crystals with an average size of 15.1 nm and high saturation magnetization(Ms)of 156.2 emu/g.The Fe73.3Si12B13Cu1.7soft magnetic powder cores annealed at 480℃for 60 min process high effective permeability of 35.9 and low core losses(50 mT/100 kHz)of 310.1 mW/cm3.These outstanding magnetic properties and good processability make the developed Fe73.3Si12B13Cu1.7nanocrystalline powders highly promising for high-performance inductors and transformers.展开更多
NiFe-based layered double hydroxide(NiFe-LDH)nanosheets were hydrothermally anchored onto the surface of CoFe-based Prussian blue analogue(CoFe-PBA)nanocubes,resulting in the formation of core-shell-structured CoFe-PB...NiFe-based layered double hydroxide(NiFe-LDH)nanosheets were hydrothermally anchored onto the surface of CoFe-based Prussian blue analogue(CoFe-PBA)nanocubes,resulting in the formation of core-shell-structured CoFe-PBA@NiFe-LDH.Electrochemical characterizations revealed that this material exhibits exceptional oxygen evolution reaction(OER)activity coupled with remarkable long-term stability in alkaline media.The optimized CoFe-PBA@NiFe-LDH catalyst achieves a low OER overpotential of 287 mV to reach a current density of 10 mA cm−2,accompanied by a favorable Tafel slope of 77 mV dec−1.Notably,the catalyst can maintain the initial catalytic activity even after 18 h of continuous operation,with its morphology and crystalline structure remaining well-preserved.The superb electrocatalytic performance is fundamentally attributed to the synergistic core-shell architecture,where the uniform decoration of NiFe-LDH nanosheets on CoFe-PBA nanocubes maximizes the exposure of abundant and highly accessible active sites while facilitating the mass transport of reactive intermediates.展开更多
CoCo-Prussian blue analogue nanocubes were firstly synthesized via a co-precipitation method and subsequently converted into CoSe2nanocubes through a high-temperature selenization.The core-shell-structured CoSe2...CoCo-Prussian blue analogue nanocubes were firstly synthesized via a co-precipitation method and subsequently converted into CoSe2nanocubes through a high-temperature selenization.The core-shell-structured CoSe2@MoS2electrocatalyst was then fabricated via a hydrothermal process.The resulting material exhibits outstanding hydrogen evolution reaction performances in both acidic and alkaline electrolytes,achieving overpotentials of 229 and 247 mV at the current density of 10 mA cm-2,respectively,with the corresponding Tafel slopes of 79 and 115 mV dec-1.Notably,the CoSe2@MoS2catalyst maintains a high catalytic activity after extended cycles.The enhanced catalytic activity and durability are primarily ascribed to the core-shell architecture,wherein MoS2nanosheets uniformly anchored on the surface of CoSe2nanocubes effectively suppress the self-agglomeration of MoS2nanosheets,thus providing abundant active sites.展开更多
To address the issue of temperature cross-sensitivity in refractive index(RI)measurement,a fiber-optic surface plasmon resonance(SPR)sensor based on dual D-shaped no-core fiber(NCF)is proposed and designed.The sensor ...To address the issue of temperature cross-sensitivity in refractive index(RI)measurement,a fiber-optic surface plasmon resonance(SPR)sensor based on dual D-shaped no-core fiber(NCF)is proposed and designed.The sensor mainly consists of D-shaped NCF,Ag/Fe2O3composite film,and polydimethylsiloxane(PDMS),where the silver and Fe2O3are successively coated on both D-shaped surfaces of NCF to generate SPR and enhance the oxidation resistance.The layer of PDMS coated on one D-shaped surface acts as a tunable ambient medium sensing the temperature variation and affecting the transmission spectrum of the sensor.Since the surface plasmon waves are excited in the two D-shaped surfaces with different films,the two RI and temperature-dependent spectral resonance peaks with different wavelengths will be produced.Research results demonstrate that the two peaks'wavelengths have different responses to the variations of ambient RI and temperature.In the RI range of 1.36–1.376 and temperature range of 10–100℃,the RI and temperature sensitivities reach 5000 nm/RIU and-0.546 nm/℃,respectively.With the sensitivity coefficient matrix,simultaneous measurement of RI and temperature can be realized,and the corresponding accuracy is superior to 0.4×10-5RIU and 0.037℃.展开更多
Although much research has been devoted to gait analysis while walking or running,a surprising gap in knowledge is its relationship with upper body function,particularly core stability.The methods used to train and as...Although much research has been devoted to gait analysis while walking or running,a surprising gap in knowledge is its relationship with upper body function,particularly core stability.The methods used to train and assess athletic locomotion are mainly focused on the lower limbs,while the upper body is often overlooked.Yet,proper body alignment from feet to head is essential for applying maximum force to the ground,thereby moving faster and more efficiently.It is believed that the core,which connects the upper and lower body,should be strong.The training of many athletes is therefore aimed at developing core muscle strength.However,for most of them,rigid core musculature associated with reduced spinal mobility may not be beneficial.Instead,core strength should be developed to the extent that allows race walkers and runners to optimize their performance.Accordingly,methods reflecting the functional nature of core strength,along with measures of postural alignment and lateral lumbopelvic stability,should be used to assess training effectiveness.To this end,a comprehensive head-to-toe approach to the assessment of athletic locomotion is recommended.Special emphasis should be placed on the role of postural and core stability in walking and running gait.展开更多
基金supported by the National Natural Science Foundation of China (32472795)the Natural Science Basic Research Program of Shaanxi, China (2024JC-YBMS-145+3 种基金2021JQ-162)the China Agriculture Research System of MOF and MARA (CARS-19)the Agricultural Special Fund Project of Shaanxi Province, China (2024NYGG009)Chinese Universities Scientific Fund (2452023481)。
摘要Genetic diversity is crucial to genetic research and crop breeding,and core collections are important resources for capturing this diversity.Recently,the core germplasm of tea plants was constructed mainly based on phenotypic data or molecular markers;however,the effective construction of core germplasm resources for plant breeding programs requires consideration of multiple aspects.In this study,we collected 320 tea germplasm resources and analyzed their singlenucleotide polymorphisms(SNPs) and metabolite data.Abundant genetic diversity in tea plants was inferred from the mean values of observed heterozygosity(Ho=0.340),expected heterozygosity(He=0.327),minor allele frequency(MAF=0.229),and polymorphic information content(PIC=0.268),based on the data from 2,118,060 high-quality SNP markers.A mean genetic diversity index(H') value of 1.902 suggested significant metabolic variation.The 320 tea samples were categorized into six groups based on phylogenetic analysis,reflecting the influence of geographical origins on genetic diversity.Based on the genetic and metabolic data,a preliminary core collection of 106 accessions was developed to effectively represent most of the original panel's molecular,metabolic,population,and regional diversity.Genome-wide association studies of the core panel successfully replicated the marker-trait associations found in the original panel.This study contributes to the conservation and management of tea plant germplasm.
摘要While the complexity of fifth-generation wireless networks is being widely commented upon,there is great anticipation for the arrival of the sixth generation(6G),with its enriched capabilities and features.It can easily be imagined that,without proper design,the enrichment of 6G will further increase system complexity.To address this issue,we propose the Agentic-AI Core(A-Core),an artificial intelligence(AI)-empowered,mission-oriented core network architecture for next-generation mobile telecommunications.In A-Core,network capabilities can be added and updated on the fly and further programmed into missions for enabling and offering diverse services to customers.These missions are created and executed by autonomous network agents according to the customer's intent,which may be expressed in natural language.The agents resolve intents from customers into workflows of network capabilities by leveraging a large-scale network AI model and follow the workflows to execute the mission.As an open,agile system architecture,A-Core holds promise for accelerating innovation and greatly reducing standard release times.The advantages of A-Core are demonstrated through two use cases.
基金supported by the fund of State Key Laboratory of Clean and Efficient Turbomachinery Power Equipment(No.DEC8300CG202210353EE280297)the China Postdoctoral Science Foundation(No.2021M692555)+1 种基金the Shaanxi Province Qinchuangyuan‘Scientists+Engineers’Team Building Project(No.2023KXJ-266)the Fundamental Research Funds for the Central Universities(No.xzy012023145)。
摘要Low reactivity and appropriate wettability between molten superalloys and ceramic materials are crucial for the production of high-quality superalloy castings.The sessile-drop experiment was employed to systematically investigate the interfacial reaction and wettability between the 4777DS1 superalloy and SiO2-based ceramic core at various temperatures(1,480℃,1,500℃,1,520℃,and 1,550℃).The wetting behavior and interfacial reaction products at different temperatures were analyzed by scanning electron microscopy(SEM),energy dispersive spectroscopy(EDS),and X-ray diffraction(XRD).The interfacial reaction process and products were discussed,and the thermodynamic behavior and interfacial reaction mechanisms were elucidated.The results demonstrate that the wetting behavior and interfacial reaction between the 4777DS1 alloy and the ceramic core are significantly influenced by temperature.The wettability angle exhibits a trend of initial decrease followed by an increase with rising temperature,reaching a maximum of 139°at 1,480℃,indicating poorer wettability of the 4777DS1 superalloy with the ceramic core and better casting properties at this specific temperature.The most intense interfacial reaction occurs at 1,520℃,resulting in the formation of the main interfacial reaction products such as Al2O3,SiO2,and HfO2.Additionally,some crystal-like products rich in Si and Hf distribute on the reaction layer.
基金supported by the Guangzhou Science and Technology Project(No.2024A03J0647)the State Key Laboratory of Dampness Syndrome of Chinese Medicine,the Second Affiliated Hospital of Guangzhou University of Chinese Medicine(No.SZ2021ZZ0402)。
摘要Objective:This study develops a core outcome set(COS)for clinical research concerning Chinese medicine(CM)dampness syndrome(COS-CMDS)that might improve heterogeneity of outcomes,reporting,and inadequate attention to the CM characteristic outcomes in clinical research on CM dampness syndrome.Methods:An initial outcome pool was constructed based on a systematic review of clinical studies related to CM dampness,registered trials,and semi-structured interviews with patients and healthcare professionals.Various stakeholders were invited to participate in a 2-round Delphi survey to scrutinize the important outcomes.A consensus meeting was held to determine the final COS-CMDS.Results:We identified 1904 studies and 73 registered trials in the systematic review.Six patients and seven healthcare professionals were invited to participate in a semi-structured interview.Then,541 outcomes were extracted,of which 397 were physicochemical.After combining certain outcomes(especially the physicochemical outcomes)and excluding those with weak relevance by discussion,26 outcomes were included in round 1 of the Delphi survey.Round 1 was completed by 82.89%of participants,and 22 outcomes were carried on to round 2.Round 2 was completed by 92.06%of participants,and 14 outcomes achieved consensus for inclusion in the COS.Nineteen stakeholders attended the consensus meeting,voted,and discussed the final COS.It included evaluation of dampness syndrome,CM syndrome assessment,effective response,validated laboratory outcomes of CM dampness syndrome,and adverse events.Conclusion:The COS-CMDS provides a reference for the selection and reporting of outcomes in clinical research concerning CM dampness syndrome,embodying the characteristics of CM.
摘要Correction to:Nano-Micro Lett.(2026)18:135 http://gffzzd3cc09b8251d45dfsqpf5uu0bbnk060vv.ffgz.tsg.suse.edu.cn/10.1007/s40820-025-01988-7 Following publication of the original article[1],the authors noticed that Fig.2 was published with an incorrect panel order,which does not reflect the final intended version approved during the proof stage.As a result,the panel sequence in Fig.2 is inconsistent with the figure caption and manuscript text.This issue is limited strictly to the order and labeling of the figure panels.The experimental data,scientific interpretation,results,and conclusions of the paper remain completely unchanged.
基金grateful for the support from the National Natural Science Foundation of China(Grant Nos.52474366 and U22A20171)the High Steel Center(HSC)at North China University of Technology,China.
摘要The three-dimensional multiphase flow and the unreacted core desulfurization kinetic model were coupled to predict the sulfur content in hot metal during the Kanbara reactor(KR)stirring process.The effect of the impeller rotation speed,initial sulfur content,desulfurizer diameter,and desulfurizer addition on the variation of the sulfur content and desulfurization rate was revealed.The accuracy of the current model was validated through industrial trials involving sampling and measurement of the sulfur content in hot metal.Results indicated that the speed of the hot metal and the vortex distribution were primary factors determining the dispersion degree of the desulfurizer and the desulfurization rate.The variation of the average sulfur content during the KR process essentially followed an exponential distribution.The desulfurization rate constant increased with the higher rotation speed,higher desulfurizer addition,and lower desulfurizer diameter.However,the initial sulfur content in the hot metal hardly affects the desulfurization rate constant.A formula for predicting the variation of the sulfur content with the initial sulfur content,impeller rotation speed,desulfurizer diameter,total mass of desulfurizers,total mass of hot metal,and desulfurization time was proposed to provide theoretical guidance for the actual production.
基金financially supported by the National Key R&D Program of China(No.2023YFB3809200)the National Natural Science Foundation of China(No.52101239)+2 种基金the Ningbo Natural Science Foundation(No.2024J005)the Project of Leading Youth Talents for S&T Innovation in Ningbo(No.2024QL011)the"Pioneer"R&D Program of Zhejiang Province(No.2023C01075).
摘要Fe-based nanocrystalline powders are ideal soft magnetic materials for matching the wide bandgap semiconductors.Previously developed Fe-based nanocrystalline alloys are difficult to produce high-quality precursor powder by gas atomization due to their poor amorphous forming ability,and their following nanocrystallizations also require high temperatures or heating rates.In present work,we invented novel high-performance Fe-based nanocrystalline powders that can be directly manufactured by gas atomization without annealing.The as-atomized Fe73.3Si12B13Cu1.7nanocrystalline powders exhibit fine α-Fe(Si)crystals with an average size of 15.1 nm and high saturation magnetization(Ms)of 156.2 emu/g.The Fe73.3Si12B13Cu1.7soft magnetic powder cores annealed at 480℃for 60 min process high effective permeability of 35.9 and low core losses(50 mT/100 kHz)of 310.1 mW/cm3.These outstanding magnetic properties and good processability make the developed Fe73.3Si12B13Cu1.7nanocrystalline powders highly promising for high-performance inductors and transformers.
基金supported by the National Natural Science Foundation of China(Grant Nos.U25A20201 and 52575389).
摘要NiFe-based layered double hydroxide(NiFe-LDH)nanosheets were hydrothermally anchored onto the surface of CoFe-based Prussian blue analogue(CoFe-PBA)nanocubes,resulting in the formation of core-shell-structured CoFe-PBA@NiFe-LDH.Electrochemical characterizations revealed that this material exhibits exceptional oxygen evolution reaction(OER)activity coupled with remarkable long-term stability in alkaline media.The optimized CoFe-PBA@NiFe-LDH catalyst achieves a low OER overpotential of 287 mV to reach a current density of 10 mA cm−2,accompanied by a favorable Tafel slope of 77 mV dec−1.Notably,the catalyst can maintain the initial catalytic activity even after 18 h of continuous operation,with its morphology and crystalline structure remaining well-preserved.The superb electrocatalytic performance is fundamentally attributed to the synergistic core-shell architecture,where the uniform decoration of NiFe-LDH nanosheets on CoFe-PBA nanocubes maximizes the exposure of abundant and highly accessible active sites while facilitating the mass transport of reactive intermediates.
基金funded by the Suzhou Huapu Intelligent Technology Co.,Ltd.,China.
摘要CoCo-Prussian blue analogue nanocubes were firstly synthesized via a co-precipitation method and subsequently converted into CoSe2nanocubes through a high-temperature selenization.The core-shell-structured CoSe2@MoS2electrocatalyst was then fabricated via a hydrothermal process.The resulting material exhibits outstanding hydrogen evolution reaction performances in both acidic and alkaline electrolytes,achieving overpotentials of 229 and 247 mV at the current density of 10 mA cm-2,respectively,with the corresponding Tafel slopes of 79 and 115 mV dec-1.Notably,the CoSe2@MoS2catalyst maintains a high catalytic activity after extended cycles.The enhanced catalytic activity and durability are primarily ascribed to the core-shell architecture,wherein MoS2nanosheets uniformly anchored on the surface of CoSe2nanocubes effectively suppress the self-agglomeration of MoS2nanosheets,thus providing abundant active sites.
基金supported by the Scientific Research Project of Shaanxi Provincial Department of Education(No.20JS122)the Postgraduate Innovation and Practice Ability Development Fund of Xi’an Shiyou University(No.YCS23213189)。
摘要To address the issue of temperature cross-sensitivity in refractive index(RI)measurement,a fiber-optic surface plasmon resonance(SPR)sensor based on dual D-shaped no-core fiber(NCF)is proposed and designed.The sensor mainly consists of D-shaped NCF,Ag/Fe2O3composite film,and polydimethylsiloxane(PDMS),where the silver and Fe2O3are successively coated on both D-shaped surfaces of NCF to generate SPR and enhance the oxidation resistance.The layer of PDMS coated on one D-shaped surface acts as a tunable ambient medium sensing the temperature variation and affecting the transmission spectrum of the sensor.Since the surface plasmon waves are excited in the two D-shaped surfaces with different films,the two RI and temperature-dependent spectral resonance peaks with different wavelengths will be produced.Research results demonstrate that the two peaks'wavelengths have different responses to the variations of ambient RI and temperature.In the RI range of 1.36–1.376 and temperature range of 10–100℃,the RI and temperature sensitivities reach 5000 nm/RIU and-0.546 nm/℃,respectively.With the sensitivity coefficient matrix,simultaneous measurement of RI and temperature can be realized,and the corresponding accuracy is superior to 0.4×10-5RIU and 0.037℃.
基金supported by the Scientific Grant Agency of the Ministry of Education,Science,Research and Sport of the Slovak Republic and the Slovak Academy of Sciences(No.1/0725/23)the Cross-border Co-operation Programme INTERREG V-A SK-CZ/2018/06(No.NFP 304011P714),INTERREG V-A SK-CZ/2020/12(No.NFP304010AYX7)and INTERREG VI-A SK-CZ/2023/4(No.NFP403401DXF4)co-financed by the European Regional Development Fund.
摘要Although much research has been devoted to gait analysis while walking or running,a surprising gap in knowledge is its relationship with upper body function,particularly core stability.The methods used to train and assess athletic locomotion are mainly focused on the lower limbs,while the upper body is often overlooked.Yet,proper body alignment from feet to head is essential for applying maximum force to the ground,thereby moving faster and more efficiently.It is believed that the core,which connects the upper and lower body,should be strong.The training of many athletes is therefore aimed at developing core muscle strength.However,for most of them,rigid core musculature associated with reduced spinal mobility may not be beneficial.Instead,core strength should be developed to the extent that allows race walkers and runners to optimize their performance.Accordingly,methods reflecting the functional nature of core strength,along with measures of postural alignment and lateral lumbopelvic stability,should be used to assess training effectiveness.To this end,a comprehensive head-to-toe approach to the assessment of athletic locomotion is recommended.Special emphasis should be placed on the role of postural and core stability in walking and running gait.