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一些capable 3-群 认领 引用 被引量：3
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作者 李志秀 《安徽大学学报（自然科学版）》 CAS 北大核心 2020年第3期22-24,共3页
对于一个给定的群G,如果能有另外的一个群H,满足H/Z(H)■G,则称G是capable群,或称G可以充当中心商.对capable群的研究在p-群分类问题中起着相当重要的作用.借助群的扩张理论,通过换位子计算,得到了一些特殊的3-群为capable群,并且由群G... 对于一个给定的群G,如果能有另外的一个群H,满足H/Z(H)■G,则称G是capable群,或称G可以充当中心商.对capable群的研究在p-群分类问题中起着相当重要的作用.借助群的扩张理论,通过换位子计算,得到了一些特殊的3-群为capable群,并且由群G构造出了群H,使得H/Z(H)■G. 展开更多
关键词 capable 3-群 循环扩张 自同构
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极大类的capable 3-群 认领 引用 被引量：2
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作者 李志秀 《安徽大学学报（自然科学版）》 CAS 北大核心 2021年第1期14-16,共3页
对于一个给定的群G,如果能有另外一个群H满足H/Z(H)■G,则称G是capable群,或称G可以充当中心商.对capable群的研究在p-群分类问题的研究中起着相当重要的作用.借助群的扩张理论,通过换位子计算,得到一些极大类3-群为capable群,并且由群... 对于一个给定的群G,如果能有另外一个群H满足H/Z(H)■G,则称G是capable群,或称G可以充当中心商.对capable群的研究在p-群分类问题的研究中起着相当重要的作用.借助群的扩张理论,通过换位子计算,得到一些极大类3-群为capable群,并且由群G构造出了群H,使得H/Z(H)■G. 展开更多
关键词 capable 3-群 循环扩张 自同构
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内亚循环capable群性质研究 认领 引用 被引量：1
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作者 李志秀 《山东科学》 CAS 2015年第5期77-79,共3页
本文研究了内亚循环p-群G满足capable群的条件,得到了这类群为capable p-群的充要条件。并由内亚循环p-群G构造得出了群H,满足H/Z(H)同构于G。
关键词 capable群 内亚循环群
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一些特殊的capable群 认领 引用 被引量：5
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作者 李志秀 《晋中学院学报》 2010年第3期27-28,共2页
若存在一个群H,使得H/Z(H)同构于群G,则称群G为capable群.对capable群的研究在p-群的分类问题中起着至关重要的作用.运用群的循环扩张理论,通过换位子计算可以得到与Baer关于交换的capable群G完全一致的结果.
关键词 capable群 交换群 德特肯群
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一些capable群 认领 引用
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作者 李志秀 《安徽大学学报（自然科学版）》 CAS 北大核心 2022年第6期8-11,共4页
对于一个给定的群G,如果能有另外的一个群H,使得H/Z(H)?G,则称群G是capable群,或称群G可以充当中心商.在p-群分类问题中对capable群进行的研究起着相当重要的作用.研究一些其所有的极大子群都同构且幂零类是2的capable群G,借助群的扩张... 对于一个给定的群G,如果能有另外的一个群H,使得H/Z(H)?G,则称群G是capable群,或称群G可以充当中心商.在p-群分类问题中对capable群进行的研究起着相当重要的作用.研究一些其所有的极大子群都同构且幂零类是2的capable群G,借助群的扩张理论,通过换位子计算,得到这类群是capable群的充要条件,并且由群G构造得到了群H,使得H满足H/Z(H)?G. 展开更多
关键词 capable群 循环扩张 自同构
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方次数是3的capable 3群 认领 引用
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作者 李志秀 《扬州大学学报（自然科学版）》 CAS 北大核心 2022年第4期9-11,共3页
为研究p-群结构,运用循环扩张理论,详细讨论了方次数是3的3~5阶capable群的分类.本文所得结果为深入研究p-群结构及其他一些相关数学问题提供了依据.
关键词 capable群 循环扩张 自同构
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Village Governance by Economic Capable Persons: A New Pattern of Rural Politics in China 认领 引用
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作者 卢福营 《中国经济学人（中英文）》 2012年第4期98-104,共7页
Since the 1980s, a whole class of economic capable persons has emerged along with China＇s rural economic development. This class actively participates in grassroots politics and even leads local village governance, c... Since the 1980s, a whole class of economic capable persons has emerged along with China＇s rural economic development. This class actively participates in grassroots politics and even leads local village governance, creating a unique, novel pattern of village governance in China. This pattern has far-reaching implications for the use of power in China＇s villages and for the management of grassroots communities. First, it represents democracy-based authoritarian politics （democracy-authority politics） and a transition away from traditional rural village ＂squireship＂ governance. Second, governance by economic capable persons surpasses the unitary, centralized People＇s Commune governance, replacing it with a pluralistic model that utilizes grass-roots community management. Third, the self-governing pattern that is emerging, wherein the general public participates in a government that is dominated by an economic capable persons, demonstrates a modification of ideal villager self-governance and also a pragmatic invention based on local political realities. In the long run, this new class emergence has the potential to evolve into a new type of localized politics; with further economic differentiation in rural areas, village governance will become increasingly diversified, where governing by capable persons will be just one feasible option. This pattern is already becoming common in many rural areas, especially those where the nonagricultural economy is relatively developed 展开更多
关键词 village governance by economic capable persons elite politics ruralgovernance and management innovation
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特殊的p2m+1阶capable群性质研究 认领 引用
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作者 李志秀 《晋中学院学报》 2015年第3期4-5,共2页
研究了特殊的p2m+1阶capable群满足capable群的条件,得到了这类群为capable群的一个充要条件.并且由这类群G构造得出了群H,H/Z(H)同构于G.
关键词 capable群 p^2m+1阶群 性质
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有关capable群的一些性质 认领 引用
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作者 李志秀 《山西大同大学学报（自然科学版）》 2019年第6期30-31,共2页
一个群G,如果有另外的一个群H,满足H/Z(H),称G是capable群,或称G可以充当中心商。文中得到了一类阶群p2m+1不是capable群,并且得到了一个特殊的3-群为capable群,文中由群构造出了群G,使得H/Z(H)=G.
关键词 capable群 阶群
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Screening for a new Streptomyces strain capable of efficient keratin degradation 认领 引用 被引量：3
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作者 CHAO Ya-peng XIE Fu-hong +2 位作者 YANG Jing LU Jing-hua QIAN Shi-jun 《Journal of Environmental Sciences》 SCIE EI CAS 2007年第9期1125-1128,共4页
Keratinous wastes could be degraded by some microorganisms in nature.Native human foot skin(NHFS)was used as sole nitrogen source to screen microorganisms with keratin-degrading capability.From approximately 200 strai... Keratinous wastes could be degraded by some microorganisms in nature.Native human foot skin(NHFS)was used as sole nitrogen source to screen microorganisms with keratin-degrading capability.From approximately 200 strains,a strain of Streptomyces sp.strain No.16 was found to possess the strongest keratinolytic activity,and the total activity in the culture was 110 KU/ml with specific activity of 2870 KU/mg protein(KU:keratinase unit).Substrate specificity test indicated that the crude keratinase could degrade keratin azure,human hair,cock feathers and collagen.The optimal pH of the crude keratinase ranged from 7.5 to 10 and the temperature ranged from 40℃to 55℃.Metal chelating agent ethylenediamine tetraacetic acid obviously stimulated the keratinolytic activity but suppressed the proteolytic activity.To our knowledge,this is the first report on specific induction of keratinases by NHFS from an actinomycete.Moreover,excellent characteristics of its crude keratinase may lead to the potential application in waste treatment and recovery,poultry and leather industry,medicine,and cosmetic development. 展开更多
关键词 keratinolytic capability Streptomyces sp. native human foot skin(NHFS) keratinase substrate specificity
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Investigation of Capable Fault and Identification of Diffuse Seismicity 认领 引用
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作者 Zhang YumingInstitute of Geology,SSB,Beijing 100029,China 《Earthquake Research in China》 1996年第4期72-77,共6页
Based on the author’s experience in the siting of nuclear power plants,some important points and methods for investigation of capable fault and the identification of diffuse seismicity are discussed in the paper.
关键词 Capable fault Diffuse seismicity
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Multi-phase trajectory programming with divert capability for lunar lander powered descent 认领 引用
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作者 ZHANG Xiaowen WANG Dayi +2 位作者 HUANG Xiangyu LI Ji WANG Tianshu 《中国空间科学技术（中英文）》 CSCD 北大核心 2026年第3期143-156,共14页
It is important for a lunar lander to possess a large divert capability during the final landing phase,as this can enhance the tolerance for flight deviations in the early phase or improve the obstacle avoidance perfo... It is important for a lunar lander to possess a large divert capability during the final landing phase,as this can enhance the tolerance for flight deviations in the early phase or improve the obstacle avoidance performance.Therefore,when designing the powered descent trajectory,sufficient final phase divert capability should be reserved at the minimum propellant cost.To this end,a multi-phase trajectory programming(MPTP)method for powered descent with approaching phase divert capability is proposed.First,the entire powered descent trajectory is divided into the main braking phase and the approaching phase.The main braking phase is responsible for dissipating the majority of the initial velocity.The approaching phase is responsible for safely and precisely flying toward the landing site.It is nominally a vertical descent trajectory and possesses equal divert capability in all horizontal directions.Then,a constant-thrust linear tangent guidance(LTG)accounting for the lunar curvature is designed for the main braking phase.For the approaching phase,a variable-thrust lossless convex programming(LCP)guidance considering the constraints of tilt angle and glide-slope angle is developed.Subsequently,to connect the two phases and further optimize the propellant consumption throughout the entire trajectory,a method for determining the phase switching condition is proposed.The originally difficult-to-solve two-parameter optimization problem is decomposed into two more easily solvable subproblems,which are solved iteratively via a bilevel optimization framework.Finally,the divert capability of the proposed method is verified through numerical simulation.The programmed trajectory is basically consistent with the results of the pseudospectral method,with the difference in propellant consumption being only 0.006%.This method is suitable for the rapid iterative design of nominal trajectories for lunar lander powered descent in engineering applications. 展开更多
关键词 lunar landing powered descent trajectory programming multi-phase divert capability
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Constructing high-performance quasi-solid-state sodium-air batteries with water-soluble discharge products using heterogeneous hydrogel electrolytes 认领 引用
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作者 Bowen Xu Hongkun Zhang +3 位作者 Xuantian Feng Da Zhang Bin Yang Feng Liang 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第6期594-601,共8页
The construction of quasi-solid-state sodium-air batteries(SABs)by replacing traditional liquid electrolytes with gel electrolytes has become one of the future focus areas in the SABs field.However,the currently devel... The construction of quasi-solid-state sodium-air batteries(SABs)by replacing traditional liquid electrolytes with gel electrolytes has become one of the future focus areas in the SABs field.However,the currently developed quasi-solid-state SABs inevitably produce insoluble discharge products during the discharge process,which leads to limited rate capability and poor cycling stability.In this study,a hydrogel electrolyte(PANa-NCNT)containing nitrogen-doped carbon nanotubes(NCNT)and sodium polyacrylate(PANa)was designed,and a quasi-solid-state SAB withhighly water-soluble NaOH as the main discharge product was constructed.The physical entanglement between NCNT and PANa in the PANa-NCNT hydrogel electrolyte leads to the heterogeneous structure of gel,which effectively enhances the thermodynamic stability of the hydrogel electrolyte.In addition,the aqueous components of electrolyte determine the reaction pathway of battery.During discharge,the oxygen reduction reaction proceeds via 2e- pathway to generate soluble NaOH,while during charging,the oxygen evolution reaction exhibits a mixed 2e-/4e- reaction pathway.Benefiting from the good thermodynamic stability of PANa-NCNT hydrogel electrolyte and the water-soluble discharge products,the fabricated quasi-solid-state SAB demonstrates stable cycling for 330 cycles(187 h)at 0.5 mA/cm2 in ambient air.These findings reveal the influence of the liquid-phase components in the gel electrolyte on the reaction pathways,which is conducive to promoting the application of hydrogels in quasi-solid-state SABs. 展开更多
关键词 Sodium-air battery Hydrogel Discharge products Thermodynamic stability Rate capability
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Development of a piezoresistive accelerometer with both high natural frequency and superior overload capability 认领 引用
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作者 Yong Xia Xinyao Meng +8 位作者 Yang Lv Xiangguang Han Zhixia Qiao Mingzhi Yu Chen Jia Qing Zhang Ping Yang Dejiang Lu Libo Zhao 《Defence Technology（防务技术）》 SCIE EI CAS CSCD 2026年第7期186-197,共12页
Accelerometers featuring high natural frequencies and superior overload capabilities are particularly valuable in applications such as military low-threshold-weapon fuzes.However,synergistic improve-ment of these para... Accelerometers featuring high natural frequencies and superior overload capabilities are particularly valuable in applications such as military low-threshold-weapon fuzes.However,synergistic improve-ment of these parameters is bottlenecked by the trade-off between sensitivity and natural frequency,and the trade-off between natural frequency and displacement limit.Here,via designing anti-overload structures integrated with the pure-axial-stressed sensing structure,we achieve simultaneous high natural frequency and superior overload capability.The proposed sensor is fabricated and characterized.Results yield a sensitivity of 0.037±0.002 mV/g at 2 V and a natural frequency of 31.35±0.72 kHz,comparable to the reference sensor,and an overload capability of 19445.80±290.55 g representing a 133.84%improvement.Accelerometers with high natural frequency and superior overload capability enable high-fidelity measurement of broadband signals under harsh environments. 展开更多
关键词 Piezoresistive accelerometer Anti-overload structures Pure-axial-stressed sensing structure Natural frequency Overload capability
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Electrospinning-Driven IGZO Nanofiber Phototransistors Bridging Adaptive Processing and Recognition Learning 认领 引用
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作者 Shanshan Jiang Shuo Cheng +3 位作者 Jiawei Yang Xiaohui Guo Bo He Gang He 《Rare Metals》 SCIE EI CAS CSCD 2026年第4期537-548,共12页
The development of neuromorphic electronics with visual perception and adaptive capability is highly desirable for advancing artificial vision systems.Herein,we have demonstrated a dual-plasticity adaptive photo trans... The development of neuromorphic electronics with visual perception and adaptive capability is highly desirable for advancing artificial vision systems.Herein,we have demonstrated a dual-plasticity adaptive photo transistor based on IGZO nanofibers that exhibits the perception and dynamic adaptation behavior of rod and cone cells to varying light environments.Benefiting from the coexistence of oxygen vacancies and trap states in nanofibers,the separation and injection of photogenerated carriers are significantly improved,thereby enabling the light-intensity-dependent dynamic adaptability and the gate-modulated photosensitivity with a narrower adaptation timescale than the bio-systems(<2 min).Moreover,the phototransistor array replicates both photopic and scotopic adaptation,and achieves adaptive contrast enhancement for the overexposed images.Finally,the system enables real-time neuromorphic encoding and recognition of digital signals under varying adaptive processes,and the pattern recognition accuracy is significantly improved from 10%to 95.8%.These results not only demonstrate a facile route for bridging visual sensing,adaptive processing,and neuromorphic computing in a single transistor device but also lay the groundwork for future applications in machine vision and next-generation neuromorphic sensory systems. 展开更多
关键词 adaptive capability IGZO nanofibers neuromorphic computing phototransistor visual perception
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A high-tap-density,particle-nested-bulk bismuth anode for fast-charging sodium-ion batteries 认领 引用
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作者 Xiaoling Qiu Ruijie Chen +5 位作者 Keren Luo Xiaoran Wang Tuan Wang Pengcheng Shi Wenlong Cai Hao Wu 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第4期431-438,共8页
The application of commercial hard carbon(HC)materials in sodium-ion batteries(SIBs)is limited by their inferior rate capability(<5.0 A/g)and low tap density(<1.0 g/cm3).Alloying-type bismuth(Bi)offers a high... The application of commercial hard carbon(HC)materials in sodium-ion batteries(SIBs)is limited by their inferior rate capability(<5.0 A/g)and low tap density(<1.0 g/cm3).Alloying-type bismuth(Bi)offers a high theoretical volumetric capacity of 3800 mAh/cm3 and superb rate capability but suffers from large volume expansion(~244%)and undesirable structural pulverization.Herein,a hectogram-scale Bi-inlaid carbon skeleton(GC-Bi)composite was synthesized through a facile precipitation-carbonization method using low-cost industrial-grade chemical reagents.The as-prepared GC-Bi composite features a unique particle-nested-bulk architecture,achieving a high tap-density of 3.33 g/cm3,which is approximately 4.16 times greater than that of commercial HC.Besides,the carbon sheath enhances the electronic conductivity and accommodates the substantial volume swelling of the embedded Bi particles,contributing to the formation of a thin and stable solid electrolyte interface on the electrode.Consequently,the GC-Bi anode achieves a high volumetric capacity(1123 mAh/cm3),impressive rate capability(207.8 mAh/g at 80 A/g),together with long cyclability retaining 96.5%of its capacity after 5000 cycles in a Na//GC-Bi half-cell and 78%after 800 cycles in a GC-Bi//Na3V2(PO4)3 full-cell. 展开更多
关键词 Scalable synthesize Tap density High-rate capability Bismuth-based anode Sodium-ion batteries
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Nowcasting of cloud-to-ground lightning location and frequency based on a deep learning technique 认领 引用
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作者 Fengquan Li Jian Li +6 位作者 Shanqiang Gu Yu Wang Zhe Li Lei Zhang Ze Liu Bingjie Bai Zhibo Jiang 《Atmospheric and Oceanic Science Letters》 CAS CSCD 2026年第3期1-6,共6页
Predicting lightning that can cause power grid trips is significant for disaster prevention.This paper integrates cloud-to-ground lightning detection,water vapor and infrared channel as well as channel differences fro... Predicting lightning that can cause power grid trips is significant for disaster prevention.This paper integrates cloud-to-ground lightning detection,water vapor and infrared channel as well as channel differences from the Himawari satellite,to nowcast lightning locations and frequencies in Central China based on deep learning.The model utilized is Convolutional Gated Recurrent Unit with attention mechanisms.Unlike previous studies that typically predict lightning locations and probabilities,this study forecasts both lightning locations and frequencies.Evaluation of the model test set shows that(1)within a lead time of 0 to 120 min,the average probability of detection(POD)is 0.439 and the average critical success index(CSI)is 0.207;(2)as the lead time extends from 10to 120 min,the performance gradually declines,with the accuracy(ACC)decreasing from 0.993 to 0.987,POD decreasing from 0.586 to 0.371,false alarm rate(FAR)increasing from 0.543 to 0.771,CSI decreasing from 0.336to 0.132,and mean absolute error(MAE)increasing from 0.01 to 0.014;and(3)the model performs well for organized storms but faces challenges with isolated cells or new cells near the domain boundary.The constructed warm-season lightning nowcasting model for Central China is tested with a winter thunderstorm in Central China and a spring tornadic storm in South China that caused transmission line trip incidents.The model has strong generalization capabilities over time and space,providing practical value in mitigating lightning-induced power grid trips. 展开更多
关键词 Lightning frequency nowcasting Deep learning Conv-GRU-attention Generalization capabilities Power grid Tornadic storm
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Fast-charging lithium-ion batteries electrodes enabled by self-regulating micro-channels networks 认领 引用
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作者 Yongtai Xu Zhiwen Zheng +5 位作者 Jianze Feng Xixian Li Kailimai Su Ziqiang Liu Hui Ying Yang Xingbin Yan 《Chinese Chemical Letters》 SCIE CAS CSCD 2026年第4期396-400,共5页
Lithium-ion batteries(LIBs)are essential energy storage devices widely used in portable electronics,transportation,and various other applications.However,current anode materials,with their low intercalation potentials... Lithium-ion batteries(LIBs)are essential energy storage devices widely used in portable electronics,transportation,and various other applications.However,current anode materials,with their low intercalation potentials and poor rate performance,struggle to balance energy density,power density,and safety,particularly under extreme conditions.In this work,we report a self-regulating micro-channel network that forms a three-dimensional(3D)composite electrode architecture without binders and conductive additives,offering a promising anode solution for fast-charging LIBs.Benefiting from the robust 3D architecture with abundant Li+active sites and superior electronic conductivity,the niobium tungsten oxide@carbon nanotube(NWO/CNT)composite electrode demonstrates a high reversible capacity(246.6mAh/g at 0.2 C),excellent rate capability(117.1 mAh/g at 60 C),and long-term durability(73.0%capacity retention after 10,000 cycles).Additionally,a thick electrode with high mass loading(10 mg/cm2)shows remarkable high-rate performance,retaining 51.7%capacity at 20 C.Notably,when paired with LiFePO4(LFP)cathodes,the NWO@CNT//LFP@CNT full batteries exhibit impressive high-power capability(2.8 kW/kg),high energy density(394.2 Wh/kg),and exceptional cycle stability(82%capacity retention after 6000 cycles).Most importantly,this composite electrode architecture also enables the fabrication of a planar,miniaturized,all-solid-state lithium-ion battery with fast-charging capabilities. 展开更多
关键词 Fast-charging lithium-ion batteries Self-regulating nanotube networks High-rate capability Long-term cycling performance Free-standing composite electrode
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Laser printed bio-inspired active flexible metallic metamaterials with reconfigurable deformation capability 认领 引用
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作者 Wenxin Chen Dongdong Gu +5 位作者 Xin Liu Yu Sun Jianfeng Sun Fangyan Su Jinwen Zou Yusheng Chen 《International Journal of Extreme Manufacturing》 SCIE EI CAS CSCD 2026年第2期575-590,共16页
Metamaterials are excellent candidates for application in smart morphing aircraft owing to their high designability,excellent mechanical and functional properties.However,existing designs often utilize passive structu... Metamaterials are excellent candidates for application in smart morphing aircraft owing to their high designability,excellent mechanical and functional properties.However,existing designs often utilize passive structures and polymer-based materials,limiting the lightweight and strength of the morphing wings.Hence,we proposed a novel active flexible metal metamaterial inspired by the embedded characteristics and wavy interfaces of epidermal cells in the Portulaca oleracea seedcoat,with network honeycomb configuration.The formability,mechanical properties,deformation mechanisms,and the shape memory effect(SME) of network honeycombs manufactured by laser powder bed fusion(LPBF) were systematically investigated.By regulating the number of cell walls per junction,network honeycombs achieved tunable mechanical properties with the Poisson's ratio ranging from -0.21 to +0.47.The hexagonal network honeycombs(HNHs) demonstrated a fracture strain up to 38% and achieved an excellent shape recovery ratio of 96.10% under thermal activation with 10% pre-programmed strain.The reconfigurable deformation capability of the biomimetic metamaterial was demonstrated in morphing wings within a wide application temperature range,enabling smooth and continuous deformation within a range of -25° to 25°.This study highlights the integration of shape memory alloy to endow metamaterials with active and reconfigurable properties,advancing the engineering applications of smart morphing aircrafts. 展开更多
关键词 smart morphing wings laser powder bed fusion deformation recovery capability biomimetic metamaterials shape memory alloy
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Effect of digital ecosystem embeddedness on farmers’entrepreneurial performance:evidence from China 认领 引用
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作者 Yuhua Cao Yunge Fan +1 位作者 Yumei Wang Xinyu Liao 《Data Science and Management》 EI CSCD 2026年第1期45-55,共11页
Digital ecosystem embeddedness subverts the promotion mechanism of farmers’entrepreneurial performance;however,related research is scarce.This study constructed a theoretical mechanism model and applied a structural ... Digital ecosystem embeddedness subverts the promotion mechanism of farmers’entrepreneurial performance;however,related research is scarce.This study constructed a theoretical mechanism model and applied a structural equation model,regression analysis,and bootstrapping to explore the impact of digital ecosystem embeddedness on farmers’entrepreneurial performance,based on survey data from 592 farmer start-ups in South China and East China.The research finds that digital ecosystem embeddedness has a significant impact on social networks and farmers’entrepreneurial performance,with social networks acting as a mediator between digital ecosystem embeddedness and farmers’entrepreneurial performance.Social networks positively affect entrepreneurial learning and resource management,and entrepreneurial learning and resource management positively affect farmers’entrepreneurial performance.Both entrepreneurial learning and entrepreneurial resource management exert a mediating effect between social network and farmers’entrepreneurial performance,respectively.Digitalization capability exerts a moderating effect between digital ecosystem embeddedness and social networks.The results show that the promotion mechanism of digital ecosystem embeddedness on farmers’entrepreneurial performance constructs a new cognitive and resource space for entrepreneurs by rebuilding social networks to provide a combination of continuous learning support and efficient resource aggregation.This study enriches our understanding of the effect of digital ecosystem embeddedness on farmers’entrepreneurial performance by depicting an integrated mechanism for entrepreneurial performance promotion in a digital context.It also provides practical guidance for farming start-ups to develop sustainable entrepreneurial advantages in a digital context. 展开更多
关键词 Digital ecosystem embeddedness Farmers’entrepreneurial performance Social network Entrepreneurial learning Entrepreneurial resource management Digitalization capability
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