In this study,the evidence-based design(EBD)of naturalized decoration in hematopoietic stem cell transplantation(HSCT)wards of Peking University First Hospital was explored to improve patients’psychological state and...In this study,the evidence-based design(EBD)of naturalized decoration in hematopoietic stem cell transplantation(HSCT)wards of Peking University First Hospital was explored to improve patients’psychological state and rehabilitation environment by introducing natural elements.Based on questionnaire surveys and literature research,the EBD method was adopted to propose a naturalized decoration scheme for HSCT wards,and a satisfaction evaluation was conducted after construction and use.The research results show that naturalized decoration can effectively enhance the satisfaction and comfort of patients and medical staff,verifying its positive effects in HSCT wards.展开更多
Na metal batteries(SMBs)have emerged as a fascinating choice for large-scale energy storage.However,dendrite formation on Na metal anode has been acknowledged to cause inferior cycling stability and safety issues.Here...Na metal batteries(SMBs)have emerged as a fascinating choice for large-scale energy storage.However,dendrite formation on Na metal anode has been acknowledged to cause inferior cycling stability and safety issues.Herein,we report the design of atomic indium-decorated graphene(In/G)to inhibit the growth of Na dendrites and substantially improve the stability of high-energy-density SMBs.Benefiting from the high-valence In-O-C configuration and evenly distributed sodiophilic sites,the In/G promotes uniform nucleation and in-plane growth of Na on the electrode surface,resulting in the intrinsic suppression of Na dendrites.Remarkably,the In/G@Na||Na batteries exhibit excellent long-term cyclability with 160 h at 8 mA cm^(-2)and ultralow overpotential of 110 mV at 10 mA cm^(-2).The Na_(3)V_(2)(PO_(4))_(3)||In/G@Na full batteries show exceptionally high reversible discharge capacity of 61 mAh g^(-1)at an ultrahigh rate of 40 C and extremely low capacity decay rate of only 0.021%per cycle over 300 cycles at 1 C.Therefore,this strategy provides a new direction for the development of next-generation high-energydensity SMBs.展开更多
This study systematically explores the refined strategies for construction management in building decoration and renovation projects,establishing a comprehensive management system that includes process control and qua...This study systematically explores the refined strategies for construction management in building decoration and renovation projects,establishing a comprehensive management system that includes process control and quality assurance.By integrating BIM technology with intelligent tool development,the study achieved an improvement in construction quality compliance to 98.7%,a reduction in project delay rate to 1.2%,and a comprehensive cost savings of 12.7%.The“3D Standards+Five-Dimensional Monitoring”method proposed in the study effectively addresses the unique challenges of decoration projects.A total of 128 quality control points and dynamic early warning mechanisms form a replicable management paradigm,providing technical support for the industry’s implementation of the“14th Five-Year Plan for the Construction Industry.”展开更多
The management of architectural decoration and renovation technology encompasses multiple aspects,including the implementation of design standards,process flow control,and material quality monitoring.Housing construct...The management of architectural decoration and renovation technology encompasses multiple aspects,including the implementation of design standards,process flow control,and material quality monitoring.Housing construction projects have specific requirements,such as cross-construction,finishing treatment,and finished product protection.The text also introduces BIM deepening design and modular installation techniques.It emphasizes the importance of material management,quality control,and the PDCA cycle,as well as various specialized inspections,smart site management,and mobile terminal applications.Intelligent management is seen as the future direction.展开更多
The haematopoietic stem cell transplantation(HSCT)ward serves as a temporary residence for patients following their surgical procedures,necessitating adherence to rigorous aseptic standards.However,the current atmosph...The haematopoietic stem cell transplantation(HSCT)ward serves as a temporary residence for patients following their surgical procedures,necessitating adherence to rigorous aseptic standards.However,the current atmosphere within these wards frequently contributes to feelings of depression among patients.Research indicates that a restorative environment has the potential to alleviate negative emotional states in individuals.This study utilized the HSCT ward of Peking University First Hospital as a case study to examine the decorative preferences.This investigation was conducted through a questionnaire that was informed by the patients’inherent preferences and insights derived from research on restorative environments.The results indicated that the incorporation of floral decorations,particularly those resembling sunflowers,in ward corridors,communal activity areas,and walls can significantly enhance patients’sense of hope.Additionally,it is essential to improve the environmental visual experience in the nurses’lounge and demonstration rooms for medical staff.展开更多
Surface modification of graphite anode with electroactive matters has been proven of a more practical strategy in enhancing the performance of Li-ion batteries than exploring alternative novel anode materials.Herein,r...Surface modification of graphite anode with electroactive matters has been proven of a more practical strategy in enhancing the performance of Li-ion batteries than exploring alternative novel anode materials.Herein,rutile TiNbO_(4-x) nanoparticles with a tunnel structure are employed as multifunctional decoration substances in combination with a carbon coating layer to improve the rate and cycle properties of mesocarbon microbeads(MCMBs).As compared to pristine MCMB,the Li^(+)diffusion coefficients of the composite anodes are enhanced due to the synergistic effect of TiNbO_(4-x)@C.Meanwhile,the overcharge and voltage polarization of the composite anodes at high rate are obviously minimized due to the current sharing effect of the high-potential TiNbO_(4-x).Moreover,the amorphous Li_(y)TiNbO_(4-x) converted from TiNbO_(4-x) in the initial lithiation process can deliver pseudocapacitive capacity to the composite anodes from the second cycle.All of these functions of TiNbO_(4-x)@Ccoating layer have directly contributed to the improved rate and cycle performance of the MCMB/TiNbO_(4-x)@C composite anodes.The one containing 12.0 wt%TiNbO_(4-x) exhibits a high reversible specific capacity of 118 m Ah·g^(-1)at 10C(1C=372 m A·g^(-1)),together with a high capacity retention of 90.9%after 300 cycles at 3C,which are all much superior to those of pristine MCMB.展开更多
This study aims to investigate the feasibility of using decoration waste powder(DWP)as a partial replacement for fly ash(FA)in the preparation of geopolymer masonry mortar,and to examine the effect of different DWP re...This study aims to investigate the feasibility of using decoration waste powder(DWP)as a partial replacement for fly ash(FA)in the preparation of geopolymer masonry mortar,and to examine the effect of different DWP replacement rates(0%-40%)on the fresh and mechanical properties of the mortar.The results showed that each group of geopolymer masonry mortar exhibited excellent water retention performance,with a water retention rate of 100%,which was due to the unique geopolymer mortar system and high viscosity of the alkaline activator solution.Compared to the control group,the flowability of the mortar containing lower contents of DWP(10%and 20%)was higher.However,as the DWP replacement rate further increased,the flowability gradually decreased.The DWP could absorb the free water in the reaction system of geopolymer mortar,thereby limiting the occurrence of geopolymerization reaction.The incorporation of DWP in the mortar resulted in a decrease in compressive strength compared to the mortar without DWP.However,even at a replacement rate of 40%,the compressive strength of the mortar still exceeded 15 MPa,which met the requirements of the masonry mortar.It was feasible to use DWP in the geopolymer masonry mortar.Although the addition of DWP caused some performance loss,it did not affect its usability.展开更多
Nests are important structures for birds to raise their offspring and for signaling.Many birds incorporate feathers into the nest,since feathers were traditionally thought to serve the function of insulation.Hypothese...Nests are important structures for birds to raise their offspring and for signaling.Many birds incorporate feathers into the nest,since feathers were traditionally thought to serve the function of insulation.Hypotheses in recent years have considered that some birds place feathers in conspicuous locations in the nest for decoration to trigger a fear response in the competitors.In this study,we investigated whether decorative feathers could deter nest usurpation by Crested Mynas(Acridotheres cristatellus)by manipulating nest box contents.The results revealed that Crested Mynas preferred black feathers to white feathers as decorations and occupied nest boxes decorated with black feathers significantly less than those decorated with white feathers,suggesting that black decorative feathers in the nest could be more effective in preventing nest usurpation by Crested Mynas and that white decorative feathers may have other functions.The black feathers in the nest are prominently placed at the edge of the nest to convey the message that“this nest is occupied”or“the owner of this nest has been preyed upon”to visitor Crested Mynas,thus effectively preventing them from usurping the nest at a later stage.展开更多
In electrochemical energy devices,the operating conditions always exert enormous influence on electrocatalysts'performances.Phosphoric acid(PA),acted as the proton carriers,can be adsorbed on Pt surface,block acti...In electrochemical energy devices,the operating conditions always exert enormous influence on electrocatalysts'performances.Phosphoric acid(PA),acted as the proton carriers,can be adsorbed on Pt surface,block active sites and affect the electronic structure of Pt unfavorably,which severely restricts the performance of high-temperature proton exchange membrane fuel cells(HT-PEMFCs).Herein,simply basic organic compounds,such as dicyandiamide(DCD),melamine(Mel)and cyanuric acid(CA),are decorated on Pt surface(DCD-Pt/C,Mel-Pt/C and CA-Pt/C)to induce the adsorption transfer of proton carriers.The decoration can not only inject electrons to Pt and enhance oxygen reduction reaction(ORR)activity but also can induce PA to transfer from Pt surface to organic compounds,decontaminating active sites.In addition,the organic compounds with the larger conjugated system and the smaller electronegativity of ligating atoms would have a greater interaction with Pt,causing a larger decoration amount on Pt surface,which leads to more excellent ORR activity and resistance to PA blockage effect.Therefore,MelPt/C shows a peak power density of 629 mW/cm^(2),exceeding commercial Pt/C(437 mW/cm^(2)),DCD-Pt/C(539 m W/cm^(2))and CA-Pt/C(511 mW/cm^(2))with the same loading.展开更多
Solid oxide electrolysis cells(SOECs),displaying high current density and energy efficiency,have been proven to be an effective technique to electrochemically reduce CO_(2)into CO.However,the insufficiency of cathode ...Solid oxide electrolysis cells(SOECs),displaying high current density and energy efficiency,have been proven to be an effective technique to electrochemically reduce CO_(2)into CO.However,the insufficiency of cathode activity and stability is a tricky problem to be addressed for SOECs.Hence,it is urgent to develop suitable cathode materials with excellent catalytic activity and stability for further practical application of SOECs.Herein,a reduced perovskite oxide,Pr_(0.35)Sr_(0.6)Fe_(0.7)Cu_(0.2)Mo_(0.1)O_(3-δ)(PSFCM0.35),is developed as SOECs cathode to electrolyze CO_(2).After reduction in 10%H_(2)/Ar,Cu and Fe nanoparticles are exsolved from the PSFCM0.35 lattice,resulting in a phase transformation from cubic perovskite to Ruddlesden-Popper(RP)perovskite with more oxygen vacancies.The exsolved metal nanoparticles are tightly attached to the perovskite substrate and afford more active sites to accelerate CO_(2)adsorption and dissociation on the cathode surface.The significantly strengthened CO_(2)adsorption capacity obtained after reduction is demonstrated by in situ Fourier transform-infrared(FT-IR)spectra.Symmetric cells with the reduced PSFCM0.35(R-PSFCM0.35)electrode exhibit a low polarization resistance of 0.43Ωcm^(2)at 850℃.Single electrolysis cells with the R-PSFCM0.35 cathode display an outstanding current density of 2947 mA cm^(-2)at 850℃and 1.6 V.In addition,the catalytic stability of the R-PSFCM0.35 cathode is also proved by operating at 800℃with an applied constant current density of 600 mA cm^(-2)for 100 h.展开更多
With the development of information technology,sharing marketing,as an innovative marketing method,plays an important role in promoting the marketing willingness and enthusiasm of employees in the Internet decoration ...With the development of information technology,sharing marketing,as an innovative marketing method,plays an important role in promoting the marketing willingness and enthusiasm of employees in the Internet decoration industry.Based on the data obtained from the ques-tionnaire survey,this paper makes an empirical analysis of the impact of the economic value,social value,perceived ease of use,perceived convenience,enabling conditions and subjective norms of sharing marketing on the marketing willingness of employees in the Internet decoration industry.The results showed that the questionnaire had good internal consistency and construct validity.Through empirical analysis,it can be found that the economic value,social value,perceived ease of use,perceived convenience,enabling conditions and subjective norms of sharing marketing have a significant positive impact on employees'marketing willingness.展开更多
Marquetry,also known as wood mosaic or wood veneer mosaic,uses wood as its primary material for intricate inlay work.Historically significant,marquetry can be seen in renowned museums like France’s Louvre,the British...Marquetry,also known as wood mosaic or wood veneer mosaic,uses wood as its primary material for intricate inlay work.Historically significant,marquetry can be seen in renowned museums like France’s Louvre,the British Museum,and Italy’s Uffizi Gallery.It is favored in interior design for its natural ambiance and affordability,enhancing spaces with its rich textures and colors.Having evolved significantly during the Italian Renaissance,today’s technological advancements have simplified marquetry,allowing for more complex designs and easier production.This thesis explores the application of thin wood inlays in modern home decor,highlighting marquetry’s blend of traditional craftsmanship and contemporary aesthetics,contributing to interior design innovation and inspiring designers.展开更多
This paper deeply discusses the characteristics of decorative language in China’s contemporary oil painting art,analyzes its performance in form,color,and composition,and expounds on the application of decorative lan...This paper deeply discusses the characteristics of decorative language in China’s contemporary oil painting art,analyzes its performance in form,color,and composition,and expounds on the application of decorative language in contemporary oil painting practice with specific artists’works.Through the study of this unique artistic language,this paper reveals the innovation and development of China’s contemporary oil painting in integrating traditional and modern,Eastern and Western artistic elements,and provides theoretical reference and practical enlightenment for the further development of China’s contemporary oil painting art.展开更多
Temple of the Three Sus,which was first established during the Yuan Dynasty,features a natural,unrestrained,and classically elegant garden architectural style.This paper discusses the multiple characteristics and mean...Temple of the Three Sus,which was first established during the Yuan Dynasty,features a natural,unrestrained,and classically elegant garden architectural style.This paper discusses the multiple characteristics and meanings of traditional architectural decorative patterns at Temple of the Three Sus from a semiotic perspective.First,it analyzes the denotative aspects of these patterns,including their stylistic forms,structural frameworks,and craftsmanship techniques.Second,the paper classifies the traditional architectural decorative patterns of the Temple of the Three Sus based on the types of sources of these patterns and interprets the implied meanings of each.Finally,the paper explores the application of these traditional decorative patterns in modern urban design,specifically in Meishan City,discussing the inheritance and innovation of these patterns in contemporary urban design and emphasizing the importance of integrating tradition with modernity.展开更多
Figurative sculpture and decorative elements belong to the same category of art;the development of sculpture art requires innovation and constant exploration of new development paths,while many characteristics of deco...Figurative sculpture and decorative elements belong to the same category of art;the development of sculpture art requires innovation and constant exploration of new development paths,while many characteristics of decorative elements can give the creation of sculpture works a variety of inspiration.This paper explores the significance of figurative sculpture and decorative elements,examining their intrinsic connections and historical practices.The study aims to uncover the potential of figurative sculpture in the creation of decorative elements,highlighting how the integration of these forms can contribute to the development of art and the creation of meaningful figurative sculptures.展开更多
On the basis of investigation of status of houseplant decoration in modern commercial space,banks,hospitals,hotel hall,dining space,library and office in Suzhou City,the paper analyzed its characters,pointed out their...On the basis of investigation of status of houseplant decoration in modern commercial space,banks,hospitals,hotel hall,dining space,library and office in Suzhou City,the paper analyzed its characters,pointed out their shortcomings and put forward reasonable suggestions.展开更多
From the creation,materials,colors and technical artistic characteristics of exterior and exterior spatial decoration,the artistic value of ancient Huizhou folk houses were analyzed.
In the process of building construction decoration, in order to be able to effectively control the overall decoration construction quality, reduce the corresponding cost of investment, it is necessary to continuously ...In the process of building construction decoration, in order to be able to effectively control the overall decoration construction quality, reduce the corresponding cost of investment, it is necessary to continuously optimize the construction closing technology, effectively improve the actual role of the decoration construction closing technology and improve the beauty and practical energy of the overall decoration construction. This paper analyzes and discusses the closing technology of decoration construction in order to promote the effective improvement of building decoration construction quality.展开更多
In the modern architectural decoration project, every link is particularly important, in fact, directly affects the overall decoration of the building. Therefore, the department of professional architectural decoratio...In the modern architectural decoration project, every link is particularly important, in fact, directly affects the overall decoration of the building. Therefore, the department of professional architectural decoration technology must master the key points of construction technology related to architectural decoration, constantly improve the ability of related construction projects, gradually pay attention to the details of each construction project, comprehensively improve the overall technical management level of construction projects, and constantly improve the level of design technology. Combined with the construction experience, this paper briefly introduces the related construction technology in the building decoration project.展开更多
基金Sponsored by the National Natural Science Foundation of China:Visual Perception Based Natural Intervention for Patients in HSCT Wards(52278045)Innovation and Entrepreneurship Training Programme for Students in 2024(10805136024XN139-91).
文摘In this study,the evidence-based design(EBD)of naturalized decoration in hematopoietic stem cell transplantation(HSCT)wards of Peking University First Hospital was explored to improve patients’psychological state and rehabilitation environment by introducing natural elements.Based on questionnaire surveys and literature research,the EBD method was adopted to propose a naturalized decoration scheme for HSCT wards,and a satisfaction evaluation was conducted after construction and use.The research results show that naturalized decoration can effectively enhance the satisfaction and comfort of patients and medical staff,verifying its positive effects in HSCT wards.
基金financially supported by the National Natural Science Foundation of China(Grants 22125903,51925207,22439003)the National Key R&D Program of China(Grant 2022YFA1504100,2023YFB4005204)+2 种基金the State Key Laboratory of Catalysis(No:2024SKL-A-001,2024SKL-B-003)the Energy Revolution S&T Program of Yulin Innovation Institute of Clean Energy(Grant E412010508,E411070316,E411100705)DICP(DICP I202324,DICP I202471)。
文摘Na metal batteries(SMBs)have emerged as a fascinating choice for large-scale energy storage.However,dendrite formation on Na metal anode has been acknowledged to cause inferior cycling stability and safety issues.Herein,we report the design of atomic indium-decorated graphene(In/G)to inhibit the growth of Na dendrites and substantially improve the stability of high-energy-density SMBs.Benefiting from the high-valence In-O-C configuration and evenly distributed sodiophilic sites,the In/G promotes uniform nucleation and in-plane growth of Na on the electrode surface,resulting in the intrinsic suppression of Na dendrites.Remarkably,the In/G@Na||Na batteries exhibit excellent long-term cyclability with 160 h at 8 mA cm^(-2)and ultralow overpotential of 110 mV at 10 mA cm^(-2).The Na_(3)V_(2)(PO_(4))_(3)||In/G@Na full batteries show exceptionally high reversible discharge capacity of 61 mAh g^(-1)at an ultrahigh rate of 40 C and extremely low capacity decay rate of only 0.021%per cycle over 300 cycles at 1 C.Therefore,this strategy provides a new direction for the development of next-generation high-energydensity SMBs.
文摘This study systematically explores the refined strategies for construction management in building decoration and renovation projects,establishing a comprehensive management system that includes process control and quality assurance.By integrating BIM technology with intelligent tool development,the study achieved an improvement in construction quality compliance to 98.7%,a reduction in project delay rate to 1.2%,and a comprehensive cost savings of 12.7%.The“3D Standards+Five-Dimensional Monitoring”method proposed in the study effectively addresses the unique challenges of decoration projects.A total of 128 quality control points and dynamic early warning mechanisms form a replicable management paradigm,providing technical support for the industry’s implementation of the“14th Five-Year Plan for the Construction Industry.”
文摘The management of architectural decoration and renovation technology encompasses multiple aspects,including the implementation of design standards,process flow control,and material quality monitoring.Housing construction projects have specific requirements,such as cross-construction,finishing treatment,and finished product protection.The text also introduces BIM deepening design and modular installation techniques.It emphasizes the importance of material management,quality control,and the PDCA cycle,as well as various specialized inspections,smart site management,and mobile terminal applications.Intelligent management is seen as the future direction.
基金Sponsored by National Natural Science Foundation of China(52278045).
文摘The haematopoietic stem cell transplantation(HSCT)ward serves as a temporary residence for patients following their surgical procedures,necessitating adherence to rigorous aseptic standards.However,the current atmosphere within these wards frequently contributes to feelings of depression among patients.Research indicates that a restorative environment has the potential to alleviate negative emotional states in individuals.This study utilized the HSCT ward of Peking University First Hospital as a case study to examine the decorative preferences.This investigation was conducted through a questionnaire that was informed by the patients’inherent preferences and insights derived from research on restorative environments.The results indicated that the incorporation of floral decorations,particularly those resembling sunflowers,in ward corridors,communal activity areas,and walls can significantly enhance patients’sense of hope.Additionally,it is essential to improve the environmental visual experience in the nurses’lounge and demonstration rooms for medical staff.
基金supported by the Natural Science Foundation Project of Fujian Province(Nos.2020J01287 and 2020H0024)。
文摘Surface modification of graphite anode with electroactive matters has been proven of a more practical strategy in enhancing the performance of Li-ion batteries than exploring alternative novel anode materials.Herein,rutile TiNbO_(4-x) nanoparticles with a tunnel structure are employed as multifunctional decoration substances in combination with a carbon coating layer to improve the rate and cycle properties of mesocarbon microbeads(MCMBs).As compared to pristine MCMB,the Li^(+)diffusion coefficients of the composite anodes are enhanced due to the synergistic effect of TiNbO_(4-x)@C.Meanwhile,the overcharge and voltage polarization of the composite anodes at high rate are obviously minimized due to the current sharing effect of the high-potential TiNbO_(4-x).Moreover,the amorphous Li_(y)TiNbO_(4-x) converted from TiNbO_(4-x) in the initial lithiation process can deliver pseudocapacitive capacity to the composite anodes from the second cycle.All of these functions of TiNbO_(4-x)@Ccoating layer have directly contributed to the improved rate and cycle performance of the MCMB/TiNbO_(4-x)@C composite anodes.The one containing 12.0 wt%TiNbO_(4-x) exhibits a high reversible specific capacity of 118 m Ah·g^(-1)at 10C(1C=372 m A·g^(-1)),together with a high capacity retention of 90.9%after 300 cycles at 3C,which are all much superior to those of pristine MCMB.
基金Funded by the National Natural Science Foundation of China(No.52008046)Young Elite Scientists Sponsorship Program from JSAST(No.TJ-2023-024)Postgraduate Research&Practice Innovation Program of Jiangsu Province(No.KYCX21_2848)。
文摘This study aims to investigate the feasibility of using decoration waste powder(DWP)as a partial replacement for fly ash(FA)in the preparation of geopolymer masonry mortar,and to examine the effect of different DWP replacement rates(0%-40%)on the fresh and mechanical properties of the mortar.The results showed that each group of geopolymer masonry mortar exhibited excellent water retention performance,with a water retention rate of 100%,which was due to the unique geopolymer mortar system and high viscosity of the alkaline activator solution.Compared to the control group,the flowability of the mortar containing lower contents of DWP(10%and 20%)was higher.However,as the DWP replacement rate further increased,the flowability gradually decreased.The DWP could absorb the free water in the reaction system of geopolymer mortar,thereby limiting the occurrence of geopolymerization reaction.The incorporation of DWP in the mortar resulted in a decrease in compressive strength compared to the mortar without DWP.However,even at a replacement rate of 40%,the compressive strength of the mortar still exceeded 15 MPa,which met the requirements of the masonry mortar.It was feasible to use DWP in the geopolymer masonry mortar.Although the addition of DWP caused some performance loss,it did not affect its usability.
基金supported by the National Natural Science Foundation of China(No.31970427 and 32270526 granted to W.L.).
文摘Nests are important structures for birds to raise their offspring and for signaling.Many birds incorporate feathers into the nest,since feathers were traditionally thought to serve the function of insulation.Hypotheses in recent years have considered that some birds place feathers in conspicuous locations in the nest for decoration to trigger a fear response in the competitors.In this study,we investigated whether decorative feathers could deter nest usurpation by Crested Mynas(Acridotheres cristatellus)by manipulating nest box contents.The results revealed that Crested Mynas preferred black feathers to white feathers as decorations and occupied nest boxes decorated with black feathers significantly less than those decorated with white feathers,suggesting that black decorative feathers in the nest could be more effective in preventing nest usurpation by Crested Mynas and that white decorative feathers may have other functions.The black feathers in the nest are prominently placed at the edge of the nest to convey the message that“this nest is occupied”or“the owner of this nest has been preyed upon”to visitor Crested Mynas,thus effectively preventing them from usurping the nest at a later stage.
基金supported by the National Key R&D Program of China(No.2021YFA1500900)the National Natural Science Foundation of China(Nos.22102053,21825201,22172047 and U19A2017)+7 种基金the Provincial Natural Science Foundation of Hunan(Nos.2019GK2031,2016TP1009,2020JJ5045 and 2021JJ30089)the Science and Technology Innovation Program of Hunan Province,China(Nos.2020RC2020,2022RC1036)Shenzhen Science and Technology Program(No.JCYJ20210324122209025)Basic and Applied Basic Research Foundation of Guangdong Province-Regional joint fund project(No.2021B1515120024)Natural Science Foundation of Chongqing(No.cstc2021jcyj-msxmX0770)the Science Funds of the Education Office of Jiangxi Province(No.GJJ2201324)the Science Funds of Jiangxi Province(No.20224BAB213018)the China Postdoctoral Science Foundation(Certificate No.2023M741121)。
文摘In electrochemical energy devices,the operating conditions always exert enormous influence on electrocatalysts'performances.Phosphoric acid(PA),acted as the proton carriers,can be adsorbed on Pt surface,block active sites and affect the electronic structure of Pt unfavorably,which severely restricts the performance of high-temperature proton exchange membrane fuel cells(HT-PEMFCs).Herein,simply basic organic compounds,such as dicyandiamide(DCD),melamine(Mel)and cyanuric acid(CA),are decorated on Pt surface(DCD-Pt/C,Mel-Pt/C and CA-Pt/C)to induce the adsorption transfer of proton carriers.The decoration can not only inject electrons to Pt and enhance oxygen reduction reaction(ORR)activity but also can induce PA to transfer from Pt surface to organic compounds,decontaminating active sites.In addition,the organic compounds with the larger conjugated system and the smaller electronegativity of ligating atoms would have a greater interaction with Pt,causing a larger decoration amount on Pt surface,which leads to more excellent ORR activity and resistance to PA blockage effect.Therefore,MelPt/C shows a peak power density of 629 mW/cm^(2),exceeding commercial Pt/C(437 mW/cm^(2)),DCD-Pt/C(539 m W/cm^(2))and CA-Pt/C(511 mW/cm^(2))with the same loading.
基金supported by the National Natural Science Foundation of China(No.22278203,No.22279057)the support of the Inner Mongolia major science and technology project(2021ZD0042),Development of integrated technology for CO_(2)emission reduction in electric power metallurgy industry
文摘Solid oxide electrolysis cells(SOECs),displaying high current density and energy efficiency,have been proven to be an effective technique to electrochemically reduce CO_(2)into CO.However,the insufficiency of cathode activity and stability is a tricky problem to be addressed for SOECs.Hence,it is urgent to develop suitable cathode materials with excellent catalytic activity and stability for further practical application of SOECs.Herein,a reduced perovskite oxide,Pr_(0.35)Sr_(0.6)Fe_(0.7)Cu_(0.2)Mo_(0.1)O_(3-δ)(PSFCM0.35),is developed as SOECs cathode to electrolyze CO_(2).After reduction in 10%H_(2)/Ar,Cu and Fe nanoparticles are exsolved from the PSFCM0.35 lattice,resulting in a phase transformation from cubic perovskite to Ruddlesden-Popper(RP)perovskite with more oxygen vacancies.The exsolved metal nanoparticles are tightly attached to the perovskite substrate and afford more active sites to accelerate CO_(2)adsorption and dissociation on the cathode surface.The significantly strengthened CO_(2)adsorption capacity obtained after reduction is demonstrated by in situ Fourier transform-infrared(FT-IR)spectra.Symmetric cells with the reduced PSFCM0.35(R-PSFCM0.35)electrode exhibit a low polarization resistance of 0.43Ωcm^(2)at 850℃.Single electrolysis cells with the R-PSFCM0.35 cathode display an outstanding current density of 2947 mA cm^(-2)at 850℃and 1.6 V.In addition,the catalytic stability of the R-PSFCM0.35 cathode is also proved by operating at 800℃with an applied constant current density of 600 mA cm^(-2)for 100 h.
文摘With the development of information technology,sharing marketing,as an innovative marketing method,plays an important role in promoting the marketing willingness and enthusiasm of employees in the Internet decoration industry.Based on the data obtained from the ques-tionnaire survey,this paper makes an empirical analysis of the impact of the economic value,social value,perceived ease of use,perceived convenience,enabling conditions and subjective norms of sharing marketing on the marketing willingness of employees in the Internet decoration industry.The results showed that the questionnaire had good internal consistency and construct validity.Through empirical analysis,it can be found that the economic value,social value,perceived ease of use,perceived convenience,enabling conditions and subjective norms of sharing marketing have a significant positive impact on employees'marketing willingness.
文摘Marquetry,also known as wood mosaic or wood veneer mosaic,uses wood as its primary material for intricate inlay work.Historically significant,marquetry can be seen in renowned museums like France’s Louvre,the British Museum,and Italy’s Uffizi Gallery.It is favored in interior design for its natural ambiance and affordability,enhancing spaces with its rich textures and colors.Having evolved significantly during the Italian Renaissance,today’s technological advancements have simplified marquetry,allowing for more complex designs and easier production.This thesis explores the application of thin wood inlays in modern home decor,highlighting marquetry’s blend of traditional craftsmanship and contemporary aesthetics,contributing to interior design innovation and inspiring designers.
文摘This paper deeply discusses the characteristics of decorative language in China’s contemporary oil painting art,analyzes its performance in form,color,and composition,and expounds on the application of decorative language in contemporary oil painting practice with specific artists’works.Through the study of this unique artistic language,this paper reveals the innovation and development of China’s contemporary oil painting in integrating traditional and modern,Eastern and Western artistic elements,and provides theoretical reference and practical enlightenment for the further development of China’s contemporary oil painting art.
文摘Temple of the Three Sus,which was first established during the Yuan Dynasty,features a natural,unrestrained,and classically elegant garden architectural style.This paper discusses the multiple characteristics and meanings of traditional architectural decorative patterns at Temple of the Three Sus from a semiotic perspective.First,it analyzes the denotative aspects of these patterns,including their stylistic forms,structural frameworks,and craftsmanship techniques.Second,the paper classifies the traditional architectural decorative patterns of the Temple of the Three Sus based on the types of sources of these patterns and interprets the implied meanings of each.Finally,the paper explores the application of these traditional decorative patterns in modern urban design,specifically in Meishan City,discussing the inheritance and innovation of these patterns in contemporary urban design and emphasizing the importance of integrating tradition with modernity.
文摘Figurative sculpture and decorative elements belong to the same category of art;the development of sculpture art requires innovation and constant exploration of new development paths,while many characteristics of decorative elements can give the creation of sculpture works a variety of inspiration.This paper explores the significance of figurative sculpture and decorative elements,examining their intrinsic connections and historical practices.The study aims to uncover the potential of figurative sculpture in the creation of decorative elements,highlighting how the integration of these forms can contribute to the development of art and the creation of meaningful figurative sculptures.
文摘On the basis of investigation of status of houseplant decoration in modern commercial space,banks,hospitals,hotel hall,dining space,library and office in Suzhou City,the paper analyzed its characters,pointed out their shortcomings and put forward reasonable suggestions.
文摘From the creation,materials,colors and technical artistic characteristics of exterior and exterior spatial decoration,the artistic value of ancient Huizhou folk houses were analyzed.
文摘In the process of building construction decoration, in order to be able to effectively control the overall decoration construction quality, reduce the corresponding cost of investment, it is necessary to continuously optimize the construction closing technology, effectively improve the actual role of the decoration construction closing technology and improve the beauty and practical energy of the overall decoration construction. This paper analyzes and discusses the closing technology of decoration construction in order to promote the effective improvement of building decoration construction quality.
文摘In the modern architectural decoration project, every link is particularly important, in fact, directly affects the overall decoration of the building. Therefore, the department of professional architectural decoration technology must master the key points of construction technology related to architectural decoration, constantly improve the ability of related construction projects, gradually pay attention to the details of each construction project, comprehensively improve the overall technical management level of construction projects, and constantly improve the level of design technology. Combined with the construction experience, this paper briefly introduces the related construction technology in the building decoration project.
