Wearable devices,such as data gloves and electronic skins,can perceive human instructions,behaviors and even emotions by tracking a hand's motion,with the help of knowledge *** shape or position single-mode sensor...
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Wearable devices,such as data gloves and electronic skins,can perceive human instructions,behaviors and even emotions by tracking a hand's motion,with the help of knowledge *** shape or position single-mode sensor in such devices often lacks comprehensive information to perceive interactive ***,the limited computing power of wearable applications restricts the multimode fusion of different sensing data and the deployment of deep learning *** propose a perceptive fusion electronic skin(PFES)with a bioinspired hierarchical structure that utilizes the magnetization state of a magnetostrictive alloy film to be sensitive to external strain or magnetic *** at the joints of a hand,the PFES realizes perception of curvature(joint shape)and magnetism(joint position)information by mapping corresponding signals to the two-directional continuous distribution such that the two edges represent the contributions of curvature radius and magnetic field,*** autonomously selecting knowledge closer to the user's hand movement characteristics,the reinforced knowledge distillation method is developed to learn and compress a teacher model for rapid deployment on wearable *** PFES integrating the autonomous learning algorithm can fuse curvature-magnetism dual information,ultimately achieving human machine interaction with gesture recognition and haptic feedback for cross-space perception and manipulation.
The identification of fully spin-polarized topological phases in magnetic inorganic materials has attracted significant *** this study,through first-principles calculations,we characterize CrCl2(pyz)2,a metal-organic ...
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The identification of fully spin-polarized topological phases in magnetic inorganic materials has attracted significant *** this study,through first-principles calculations,we characterize CrCl2(pyz)2,a metal-organic framework(MOF),as a nodal chain *** results reveal a ferromagnetic ground state in this material,presenting as a half-metal with a single spin channel near the Fermi ***-ically,the spin-down states form a nodal chain close to the Fermi level,consisting of three nodal loops protected by glide mirror symmetry on distinct ***,fully spin-polarized drumhead sur-face states corresponding to these nodal loops are identified on the material's ***,we observe the persistence of the fully spin-polarized nodal chain even when tuning the ligand rotation an-gle of the ***,our investigation delves into the influence of spin-orbit coupling(SOC)on the system,revealing that it has minimal impact on the nodal *** robustness of the nodal chain in the presence of SOC underscores its intriguing and resilient nature,indicating its potential utility in various electronic ***,the robust realization of a fully spin-polarized nodal chain in this magnetic MOF system holds promise for applications in the realm of spintronics.
Materials featuring topological energy bands and nontrivial surface states hold significant promise in unlocking unprecedented opportunities for innovating electrocatalytic ***,it remains a challenge to realize superi...
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Materials featuring topological energy bands and nontrivial surface states hold significant promise in unlocking unprecedented opportunities for innovating electrocatalytic ***,it remains a challenge to realize superior topological catalysts which can carry both high catalytic activity and excellent catalytic ***,we propose that a family of Ni-based binary materials hosting fantasying topological conjunct-nodalpoint state and a large nontrivial energy window(NEWD)represents an ideal choice for such superior topological catalysts in hydrogen evolution *** presence of conjunct-nodal-points ensures long Fermi arcs on the surface,thereby enabling an extremely high catalytic *** NEWD plays a crucial role in stabilizing the high catalytic activity against external perturbations,such as strain and electron/hole *** roles for conjunctnodal-points and NEWD are substantiated by the observable weakening of catalytic performance during topological phase transitions,which result in the removal of the conjunct-nodal-points,NEWD and their corresponding long Fermi *** work unveils a hidden mechanism and opens a feasible route for developing superior quantum catalysts from novel topology point of view.
Multi-terminal flexible high-voltage direct current(HVDC)transmission and DC grid technology are developing *** hybrid DC circuit breaker(HCB)has broad application prospects in the field of HVDC transmission and DC po...
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Multi-terminal flexible high-voltage direct current(HVDC)transmission and DC grid technology are developing *** hybrid DC circuit breaker(HCB)has broad application prospects in the field of HVDC transmission and DC power ***-theless,existing HCBs have one or more following blemishes:arc suppression scheme of mechanical switch,high cost and unreliable adaptive *** this paper,a modified thyristor-based hybrid DC circuit breaker with short arcing capacity(SA-HCB)is introduced,which consists of the main branch,the fault handling branch and the pre-charging ***,the modified SA-HCB has the inherent capability of adaptive *** advantages of thyristors are fully used in the SA-HCB,such as low cost,low conduction voltage drop,and natural *** detailed structure diagram and mathematical model of the SA-HCB are introduced,and the operation processes of the fault current transfer are also ***,a design method for parameters of the proposed SA-HCB is ***,a single-ended equivalent system is built in PSCAD/EMTDC to verify the accuracy of the theoretical analysis and parameter ***,based on four-terminal simulation,the economy of the SA-HCB is verified by comparing with the topology proposed by ***,the small-scale experiment of the proposed SA-HCB is introduced.
The neuron model has been widely employed in neural-morphic computing systems and chaotic *** study aims to develop a novel circuit simulation of a three-neuron Hopfield neural network(HNN)with coupled hyperbolic memr...
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The neuron model has been widely employed in neural-morphic computing systems and chaotic *** study aims to develop a novel circuit simulation of a three-neuron Hopfield neural network(HNN)with coupled hyperbolic memristors through the modification of a single coupling connection *** bistable mode of the hyperbolic memristive HNN(mHNN),characterized by the coexistence of asymmetric chaos and periodic attractors,is effectively demonstrated through the utilization of conventional nonlinear analysis *** techniques include bifurcation diagrams,two-parameter maximum Lyapunov exponent plots,local attractor basins,and phase trajectory ***,an encryption technique for color images is devised by leveraging the mHNN model and asymmetric structural *** method demonstrates significant benefits in correlation,information entropy,and resistance to differential attacks,providing strong evidence for its effectiveness in ***,an improved modular circuit design method is employed to create the analog equivalent circuit of the memristive *** correctness of the circuit design is confirmed through Multisim simulations,which align with numerical simulations conducted in Matlab.
Constructed wetlands(CWs)are a promising method to treat effluent from wastewater treatment plants(WWTPs).However,low carbon/nitrogen(C/N)ratios of the influent inhibit denitrification in CWs,resulting in poor nitroge...
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Constructed wetlands(CWs)are a promising method to treat effluent from wastewater treatment plants(WWTPs).However,low carbon/nitrogen(C/N)ratios of the influent inhibit denitrification in CWs,resulting in poor nitrogen removal ***,we compared traditional(control),biochar(BC),and b-cyclodextrin-functionalized biochar(BC@b-CD)CW systems to investigate nitrogen removal from influent with low C/N ratios,and the mechanisms that enhance this *** highest nitrogen removal rates were observed in the BC@b-CD group,with rates 45.89%and 42.48%higher than those of the control,accompanied by a 70.57%and 85.45%decrease in nitrous oxide release,when the C/N ratio decreased from 4 to 2,*** and enzymatic analyses indicated that BC@b-CD enhances nitrogen removal by coordinately promoting carbon metabolism and increasing denitrification enzyme activities,without affecting microbial species diversity in *** equation modeling confirmed that the foremost advantages of BC@b-CD were effective electron generation and transportation resulting from increased activities of nicotinamide adenine dinucleotide(NADH)dehydrogenase and the electron transfer system(ETS),thereby strategically reallocating more carbon metabolic flow to support *** results show that the application of BC@b-CD in CWs to optimize the reallocation of electrons from carbon metabolism is a feasible strategy to enhance denitrification under low C/N conditions.
Despite the promising potential of NaTi2（PO4）3as desalination battery electrode,its mediocre seawater desalination capacity and durability fail to meet the requirements of practical ***,the substitution of Ti by Fe ...
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Despite the promising potential of NaTi2（PO4）3as desalination battery electrode,its mediocre seawater desalination capacity and durability fail to meet the requirements of practical ***,the substitution of Ti by Fe in NaTi2（PO4）3(NT2-xFxP),which possesses a stronger electronegativity relative to Ti,can regulate the electronic structure,thus facilitating charge transfer and ion diffusion during the desalination *** kinetic and thermodynamic facilitation of NT2-xFxP is clarified by the electrochemical analyses and DFT ***,the additional redox center and solid-solution reaction mechanism induced by Fe-dopant further contribute to a superior desalination performance of NT2-xFxP in different seawater *** from the multifunctional effect of Fe-dopant,the optimal NT1.7F0.3P delivers a large salt removal capacity(173.6 mg g-1) with an ultrahigh salt removal rate(8.48 mg g-1min-1),and maintains 96.6%of desalination capacity after 500 cycles in natural ***,the assembled NT1.7F0.3P||NaFeHCF rocking-chair desalination battery（RCDB） demonstrates a higher desalination performance than that of reported RCDB systems,and can desalinate natural seawater to freshwater standards under continuous desalination mode for the first time in RCDB *** work provides a facile but effective strategy to modulate the electronic structure of NaTi2（PO4）3for RCDB,and exploits a new perspective for developing scalable RCDB devices for continuous desalinating real seawater to freshwater.
Triboelectric nanogenerators(TENGs) are emerging as new technologies to harvest electrical power from mechanical *** the distinctive working mechanism of triboelectric nanogenerators,they attract particular interest i...
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Triboelectric nanogenerators(TENGs) are emerging as new technologies to harvest electrical power from mechanical *** the distinctive working mechanism of triboelectric nanogenerators,they attract particular interest in healthcare monitoring,wearable electronics,and deformable energy harvesting,which raises the requirement for highly conformable devices with substantial energy outputs.
The hot end components of aerospace vehicles cannot be completely machined into an integrated structure, so a large number of C/SiC Ceramic matrix composite connection structures are used. The connection structure of ...
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In order to better use the video motion amplification method in the dynamic test of vibrating objects, it is first necessary to determine the appropriate video motion amplification algorithm. This article first briefl...
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