A number of factors may affect the quality of subway project during construction such as construction material and construction personnel.Therefore,it is necessary to study about the influence factors of subway projec...A number of factors may affect the quality of subway project during construction such as construction material and construction personnel.Therefore,it is necessary to study about the influence factors of subway project quality.A variety of influence factors can be analyzed and studied through the information platform for material quality management in urban subway project to further ensure the quality of subway project.This paper mainly summarized the significance of the information platform for material quality management in urban subway project,investigated the construction scheme of the information platform for material quality management in urban subway project and analyzed the key technologies and influence factors for information platform construction.展开更多
Electronic information materials(EIMs)are key enablers for building a smart society.As the material carriers of next-generation information technology,the development of EIMs is increasingly constrained by the challen...Electronic information materials(EIMs)are key enablers for building a smart society.As the material carriers of next-generation information technology,the development of EIMs is increasingly constrained by the challenges of manufacturing precision,heterogeneous integration reliability,and circular economy compatibility.As traditional approaches struggle to meet the demands for nanoscale machining,low power consumption,structural flexibility,and environmental compatibility,there is an urgent need for disruptive materials and methodologies.Ionic liquids(ILs),with their unique combination of tunable molecular structures,negligible volatility,broad electrochemical windows,and strong solvation capabilities,offer a promising route to address these bottlenecks.As dynamic reaction media,ILs precisely regulate the nucleation kinetics and interfacial behaviours of zero dimension(0D)quantum dots,one dimension(1D)nanowires,and two dimension(2D)semiconductors through their unique solvation environments,yielding advanced materials with next-generation EIMs.Leveraging hydrogen bonding and ion-exchange interactions,ILs enable selective extraction and recycling of critical electronic chemicals(e.g.,rare earth elements,conductive polymers),offering greener alternatives to conventional solvent-based processes.In field-effect transistors and flexible electronics,ILs improve charge transport efficiency,reduce operating voltages,and enhance interfacial stability,while their compatibility with heterogeneous integration addresses reliability challenges in scalable manufacturing.This review systematically examines ILs roles in advancing EIMs and proposes design principles for their targeted application,highlighting their potential to drive sustainable innovation in electronic materials science.展开更多
Objectives:Chronic renal failure affects the physiological,psychological,functional ability,and independent status of the patient,which might result in a burden to the family members caring for them.The objective of t...Objectives:Chronic renal failure affects the physiological,psychological,functional ability,and independent status of the patient,which might result in a burden to the family members caring for them.The objective of the study was to identify caregivers'level of burden and establish the impact of educational intervention programs on caregiving outcomes.Methods:This was a one-group pre-test post-test study conducted between April and August 2017 on family caregivers of hemodialysis patients.A convenient sample of 169 caregivers was used.A sociodemographic questionnaire,the OBCS,and BCOS were utilized for data collection,which occurred at baseline and two weeks post-intervention.The collected data were analyzed using SPSS where t-test determined the impact of the intervention.Results:Caregivers were found to be moderately burdened(M=2.73,SD=0.23)and their lives had changed for the worst as a result of caregiving(M=3.17,SD=5.89).There were significant differences in caregiving outcome scores before and after the intervention(P<0.05).Conclusion:Caring for patients receiving hemodialysis adds extra responsibilities to the caregivers'schedule thus leaving them substantially burdened.Educating caregivers on the required care eased their burden and improved caregiving outcomes.Recommendations are made that healthcare professionals should assess caregiver burden,and address their physical and mental health needs.Caregivers should also be regularly educated on the regular caregiving tasks to ease their burden.展开更多
CONSPECTUS:The ability to gather information about materials and products,such as their origin,physicochemical properties or history of experienced environmental stimuli,is valuable for quality control,predictive main...CONSPECTUS:The ability to gather information about materials and products,such as their origin,physicochemical properties or history of experienced environmental stimuli,is valuable for quality control,predictive maintenance,delivery tracking,recycling,and more.Integrating additives capable of recording and storing information into materials offers a flexible approach to create“materials intelligence”.Common strategies utilize luminescent markers or DNA sequences that enable object identification and environmental impact monitoring.展开更多
Portable electronic devices(PEDs)are promising information-exchange platforms for real-time responses.Their performance is becoming more and more sensitive to energy consumption.Rechargeable batteries are the primary ...Portable electronic devices(PEDs)are promising information-exchange platforms for real-time responses.Their performance is becoming more and more sensitive to energy consumption.Rechargeable batteries are the primary energy source of PEDs and hold the key to guarantee their desired performance stability.With the remarkable progress in battery technologies,multifunctional PEDs have constantly been emerging to meet the requests of our daily life conveniently.The ongoing surge in demand for high-performance PEDs inspires the relentless pursuit of even more powerful rechargeable battery systems in turn.In this review,we present how battery technologies contribute to the fast rise of PEDs in the last decades.First,a comprehensive overview of historical advances in PEDs is outlined.Next,four types of representative rechargeable batteries and their impacts on the practical development of PEDs are described comprehensively.The development trends toward a new generation of batteries and the future research focuses are also presented.展开更多
Tetraphenylpyrazine(TPP)is a promising heterocycle-based aggregation-induced emission luminogen(AIEgen)which has sparked multiple applications in organic light-emitting diodes,sensors,and biotherapy.However,the utilit...Tetraphenylpyrazine(TPP)is a promising heterocycle-based aggregation-induced emission luminogen(AIEgen)which has sparked multiple applications in organic light-emitting diodes,sensors,and biotherapy.However,the utility of it in developing information storage materials is relatively rare.Moreover,TPP is mostly employed as an electronic acceptor in molecular design,while the consideration of it as an electronic donor is attractive in studies which may provide a full understanding of its property to tailor the materials.In this work,we synthesize three TPP-based molecules by decorating it with acrylonitrile and isomeric pyridine units,which show AIE behavior by property inheritance from their parent unit.Interestingly,the effective intramolecular charge transfer takes place from the TPP electronic donor to the acrylonitrile and pyridine electronic acceptor,therefore inducing a remarkable solvatochromic effect as the solvent polarity improves.Moreover,it is revealed that the isomeric effect of the nitrogen atom in the pyridines may pose an influence on the absorption,solvatochromism,and AIE behavior.In addition,the acrylonitrile and pyridine groups are reactive to light and acid-base stimuli with irreversible and reversible responses,respectively.Combined with the high light-harvesting ability of these AIEgens,they show great potential in the stimuli-responsive materials for dual information storage.展开更多
基金the Science and Technology Plan Center of National Market Regulatory Administration Bureau(Project No.:2017QK192).
文摘A number of factors may affect the quality of subway project during construction such as construction material and construction personnel.Therefore,it is necessary to study about the influence factors of subway project quality.A variety of influence factors can be analyzed and studied through the information platform for material quality management in urban subway project to further ensure the quality of subway project.This paper mainly summarized the significance of the information platform for material quality management in urban subway project,investigated the construction scheme of the information platform for material quality management in urban subway project and analyzed the key technologies and influence factors for information platform construction.
基金supported by the Excellent Young Scholars(22222813)National Natural Science Foundation of China(No.22408376)the Postdoctoral Fellowship Program of CPSF(GZC20232700).
文摘Electronic information materials(EIMs)are key enablers for building a smart society.As the material carriers of next-generation information technology,the development of EIMs is increasingly constrained by the challenges of manufacturing precision,heterogeneous integration reliability,and circular economy compatibility.As traditional approaches struggle to meet the demands for nanoscale machining,low power consumption,structural flexibility,and environmental compatibility,there is an urgent need for disruptive materials and methodologies.Ionic liquids(ILs),with their unique combination of tunable molecular structures,negligible volatility,broad electrochemical windows,and strong solvation capabilities,offer a promising route to address these bottlenecks.As dynamic reaction media,ILs precisely regulate the nucleation kinetics and interfacial behaviours of zero dimension(0D)quantum dots,one dimension(1D)nanowires,and two dimension(2D)semiconductors through their unique solvation environments,yielding advanced materials with next-generation EIMs.Leveraging hydrogen bonding and ion-exchange interactions,ILs enable selective extraction and recycling of critical electronic chemicals(e.g.,rare earth elements,conductive polymers),offering greener alternatives to conventional solvent-based processes.In field-effect transistors and flexible electronics,ILs improve charge transport efficiency,reduce operating voltages,and enhance interfacial stability,while their compatibility with heterogeneous integration addresses reliability challenges in scalable manufacturing.This review systematically examines ILs roles in advancing EIMs and proposes design principles for their targeted application,highlighting their potential to drive sustainable innovation in electronic materials science.
文摘Objectives:Chronic renal failure affects the physiological,psychological,functional ability,and independent status of the patient,which might result in a burden to the family members caring for them.The objective of the study was to identify caregivers'level of burden and establish the impact of educational intervention programs on caregiving outcomes.Methods:This was a one-group pre-test post-test study conducted between April and August 2017 on family caregivers of hemodialysis patients.A convenient sample of 169 caregivers was used.A sociodemographic questionnaire,the OBCS,and BCOS were utilized for data collection,which occurred at baseline and two weeks post-intervention.The collected data were analyzed using SPSS where t-test determined the impact of the intervention.Results:Caregivers were found to be moderately burdened(M=2.73,SD=0.23)and their lives had changed for the worst as a result of caregiving(M=3.17,SD=5.89).There were significant differences in caregiving outcome scores before and after the intervention(P<0.05).Conclusion:Caring for patients receiving hemodialysis adds extra responsibilities to the caregivers'schedule thus leaving them substantially burdened.Educating caregivers on the required care eased their burden and improved caregiving outcomes.Recommendations are made that healthcare professionals should assess caregiver burden,and address their physical and mental health needs.Caregivers should also be regularly educated on the regular caregiving tasks to ease their burden.
基金funded by the European Union(ERC,SmartRust,Grant No.101123921).
文摘CONSPECTUS:The ability to gather information about materials and products,such as their origin,physicochemical properties or history of experienced environmental stimuli,is valuable for quality control,predictive maintenance,delivery tracking,recycling,and more.Integrating additives capable of recording and storing information into materials offers a flexible approach to create“materials intelligence”.Common strategies utilize luminescent markers or DNA sequences that enable object identification and environmental impact monitoring.
基金This work was supported by National Key Research and Development Program(2016YFA0202500 and 2015CB932500)National Natural Science Foundation of China(21676160,51602107,21776019,21825501,21808124,and U1801257)+3 种基金the Tsinghua University Initiative Scientific Research Program,the China Postdoctoral Science Foundation(2017M620049)the Tip-top Scientific and Technical Innovative Youth Talents of Guangdong Special Support Program(2017TQ04C419)Y.Chen thanks funding support from Australian Research Council under the Future Fellowships scheme(FT160100107)Discovery Programme(DP180102210).
文摘Portable electronic devices(PEDs)are promising information-exchange platforms for real-time responses.Their performance is becoming more and more sensitive to energy consumption.Rechargeable batteries are the primary energy source of PEDs and hold the key to guarantee their desired performance stability.With the remarkable progress in battery technologies,multifunctional PEDs have constantly been emerging to meet the requests of our daily life conveniently.The ongoing surge in demand for high-performance PEDs inspires the relentless pursuit of even more powerful rechargeable battery systems in turn.In this review,we present how battery technologies contribute to the fast rise of PEDs in the last decades.First,a comprehensive overview of historical advances in PEDs is outlined.Next,four types of representative rechargeable batteries and their impacts on the practical development of PEDs are described comprehensively.The development trends toward a new generation of batteries and the future research focuses are also presented.
基金support by the National Natural Science Foundation of China(22275072)Guangdong Provincial Key laboratory of Luminescence from Molecular Aggregates(2019B030301003)Scientific and Technological Innovation Team of Shaanxi Province(2022TD-36).
文摘Tetraphenylpyrazine(TPP)is a promising heterocycle-based aggregation-induced emission luminogen(AIEgen)which has sparked multiple applications in organic light-emitting diodes,sensors,and biotherapy.However,the utility of it in developing information storage materials is relatively rare.Moreover,TPP is mostly employed as an electronic acceptor in molecular design,while the consideration of it as an electronic donor is attractive in studies which may provide a full understanding of its property to tailor the materials.In this work,we synthesize three TPP-based molecules by decorating it with acrylonitrile and isomeric pyridine units,which show AIE behavior by property inheritance from their parent unit.Interestingly,the effective intramolecular charge transfer takes place from the TPP electronic donor to the acrylonitrile and pyridine electronic acceptor,therefore inducing a remarkable solvatochromic effect as the solvent polarity improves.Moreover,it is revealed that the isomeric effect of the nitrogen atom in the pyridines may pose an influence on the absorption,solvatochromism,and AIE behavior.In addition,the acrylonitrile and pyridine groups are reactive to light and acid-base stimuli with irreversible and reversible responses,respectively.Combined with the high light-harvesting ability of these AIEgens,they show great potential in the stimuli-responsive materials for dual information storage.
