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Integrative Zoology 2024年第2期19卷 339-342页

作者： Yalin CHEnG fumin LEI College of Life Science/Hebei Basic Science Center for Biotic Interactions Institute of Life Science and Green DevelopmentHebei UniversityBaodingChina Key Laboratory of Zoological Systematics and Evolution Institute of ZoologyChinese Academy of SciencesBeijingChina University of Chinese Academy of Sciences BeijingChina Center for Excellence in Animal Evolution and Genetics Chinese Academy of SciencesKunmingChina

The beak is a key evolutionary innovation in the avian tree of *** diversity in morphology shows birds’successful colonization of various ecological niches on the Earth(Pigot et al.2020),and its morphological plasticity can also enable birds to rapidly respond to changes in envir.nments(Gr.nt&Gr.nt 2006).These natures helped birds survive multiple extinction events(Larson et al.2016).Therefore,investigating the morphological evolution of avian beaks and the underlying developmental and molecular mechanisms will help to decipher the evolution of birds and boost the development of the theory of evolutionary biology.

关键词： coordinate extinction enable

A two-pr.nged strategy utilizing exosomes extracted from antigenpresenting cells to combat hepatitis B

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nano research 2024年第10期17卷 9084-9094页

作者： fumin Hu Dangyang Wang Ting Lu Guanghui Ma Hua Yue State Key Laboratory of Biochemical Engineer.ng Institute of Process EngineeringChinese Academy of SciencesBeijing 100190China University of Chinese Academy of Sciences Beijing 100049China Key Laboratory of Biopharmaceutical Preparation and Delivery Chinese Academy of SciencesBeijing 100190China

Chr.nic hepatitis B(CHB)is consistently challenging to conquer with numerous complications and *** the effectiveness of antiviral therapies in suppressing hepatitis B virus(HBV)replication,there is an urgent need for.novel and more effective treatment *** strategies predominantly emphasize immune activation but still face challenges in sufficiently eliciting T cell *** into account the targeted delivery of nanoparticles to the liver and spleen via intravenous injection,we have proposed a dual-pr.nged therapeutic strategy based on antigen-presenting cells(APCs)-derived ***,exosomes targeted to the spleen can activate specific immune responses,while those targeted to the liver can modulate or reverse the liver’s immunosuppressive *** immunization,exosome formulations exhibit the remarkable ability to effectively activate APCs,thereby trigger.ng the proliferation of CD8^(+)T ***,they also play an immunoregulatory role by converting M2 macrophages into M1 *** two-pr.nged therapeutic strategy precisely addresses the issues of T cell dysfunction and immune suppression,both characteristic features of CHB *** combined with Aluminum(Alum)-adjuvanted vaccine,these exosome formulations not only demonstrate a high level of cellular immune response but also secrete specific antibodies comparable to those induced by Alum *** combined approach effectively enhances both cellular and humoral immunity,offer.ng a promising avenue for the development of therapeutic hepatitis B vaccines based on exosome formulations.

关键词： chr.nic hepatitis B antigen-presenting cells(APCs)-derived exosomes immunoregulatory role two-pr.nged therapeutic strategy

Frequency-modulated continuous-wave multiplexed gas sensingbased on optical frequency comb calibration

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Chinese Physics B 2024年第9期33卷 152-163页

作者： Linhua Jia Xinghua Qu fumin Zhang State Key Laboratory of Precision Measurement Technology and Instruments Tianjin UniversityTianjin 300072China

Laser absorption spectroscopy has proven to be an effective approach for gas sensing, which plays an important rolein the fields of military, industry, medicine and basic research. This paper presents a multiplexed gas sensing system basedon optical frequency comb (OFC) calibrated frequency-modulated continuous-wave (FMCW) tuning nonlinearity. Thesystem can be used for multi-parameter synchr.nous measurement of gas absorption spectrum and multiplexed opticalpath. Multi-channel parallel detection is realized by combining wavelength division multiplexing (WDM) and frequencydivision multiplexing (FDM) techniques. By introducing nonlinear optical crystals, broadband spectrum detection is simultaneouslyachieved over a bandwidth of hundreds of nanometers. An OFC with ultra-high frequency stability is used asthe frequency calibration source, which guar.ntees the measurement accuracy. The test samples involve H13C14n, C_(2)H_(2)and rb vapor cells of varying densities and 5 parallel measurement experiments are designed. The results show that themeasurement accuracies of spectral absorption line and the optical path are 150 MHz and 20 m, respectively. The schemeoffers the advantages of multiplexed, multi-parameter, wide spectrum and high resolution detection, which can realize theidentification of multi-gas components and the high-precision inversion of absorption lines under differ.nt *** proposed sensor demonstrates great potential in the field of high-resolution absorption spectrum measurement for gassensing applications.

关键词： frequency-modulated continuous-wave (FMCW) technology optical frequency comb multiplexing absorption spectroscopy

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Characteristics and Preliminary Causes of Tropical Cyclone remote Precipitation over China

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Journal of Ocean University of China 2024年第4期23卷 845-858页

作者： JIA Li r.n fumin MCBrIDE John Leonard COnG Chunhua School of Atmospheric Science Nanjing University of Information Science and TechnologyNanjing 210044China State Key Laboratory of Severe Weather Chinese Academy of Meteorological SciencesBeijing 100081China School of Earth Science University of MelbourneMelbourne 3052Australia research and Development Division Bureau of MeteorologyMelbourne 3052Australia Shandong Meteorological Bureau Jinan 250031China

In this study,the characteristics and preliminary causes of tropical cyclone remote precipitation(TrP)over China dur.ng the period from 1979 to 2020 are *** indicated that approximately 72.42%of tropical cyclones(TCs)in the Western Pacific produce TrP over *** peak months for TrP are July and *** four key regions of TrP are the adjacent areas between the Sichuan and Shaanxi Provinces,the northern coast of the Bohai Sea,the coast of the Yellow Sea,and the southern coast *** typical distance between the station with TrP and the TC center r.nges from 1500 to 2500 *** of these stations are situated north to 60°west of north of the *** south–west water vapor tr.nsportation on the west side of the TC is crucial to *** has a decreasing tr.nd because of the decrease in the number of TCs that generate *** the perspective of large-scale envir.nmental conditions,a decrease in the integrated horizontal water vapor tr.nsport in China' Mainland,the weakening of upward motion at approximately 25°–35°n,which is inconducive to convection,and an increase in low-level vertical wind shear,which is unfavorable for the development of TC in areas with high frequencies of TrP-related TCs,are the factors that result in the decreasing tr.nd of TrP.

关键词： tropical cyclone remote precipitation characteristics causes

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Interpretable data-driven fault diagnosis method for data centers with composite air conditioning system

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Building Simulation 2024年第6期17卷 965-981页

作者： Yiqi Zhang fumin Tao Baoqi Qiu Xiuming Li Yixing Chen Zongwei Han SEP Key Laboratory of Eco-Industry School of MetallurgyNortheastern UniversityShenyang110819China Energy Saving and Low-carbon Technology of Process Industry Engineer.ng research Center of Liaoning Province Northeastern UniversityShenyang110819China College of Civil Engineer.ng Hunan UniversityChangsha410082China

Fault detection and diagnosis are essential to the air conditioning system of the data center for elevating reliability and reducing energy *** study proposed a convolutional neural network(Cnn)based data-driven fault detection and diagnosis model consider.ng temporal dependency for composite air conditioning system that is capable of cooling the high heat flux in data *** input of fault detection and diagnosis model was an unsteady dataset generated by the experimentally validated tr.nsient mathematical *** dataset concerned three typical faults,including refriger.nt leakage,evaporator fan breakdown,and condenser ***,the Cnn model was trained to construct a map between the input and system operating ***,the performance of the Cnn model was validated by compar.ng it with the support vector machine and the neural ***,the score-weighted class mapping activation method was utilized to interpret model diagnosis mechanisms and to identify key input features in various operating *** results demonstrated in the pump-driven heat pipe mode,the accuracy of the Cnn model was 99.14%,increasing by around 8.5%compared with the other two *** the vapor compression mode,the accuracy of the Cnn model achieved 99.9%and declined the miss rate of refriger.nt leakage by at least 61%*** score-weighted class mapping activation results indicated the ambient temperature and the actuator-related parameters,such as compressor frequency in vapor compression mode and condenser fan frequency in pump-driven heat pipe mode,were essential features in system fault detection and diagnosis.

关键词： data center composite air conditioning system fault detection and diagnosis interpretable artificial intelligence

Evolution of tribo-magnetization dur.ng sliding of ferromagnetic materials

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Friction 2024年第5期12卷 906-918页

作者： fumin GAO Laibin ZHAnG Jin ZHOU Yi XIOnG Jing WU Jianchun FAn China University of Petroleum-Beijing Beijing102249China Key Laboratory of Oil and Gas Safety and Emergency Technology Ministry of Emergency ManagementBeijing102249China

Sliding-induced subsurface microstructure evolution is believed to be decisive for determining the friction and wear performance of metallic contacts as well as the development of *** expects to develop a new prediction method of wear state by elucidating the correlation between subsurface microstructure evolution and corresponding magnetic domain ***,subsurface microstructure evolution including crystal and magnetic domain under tribological action is investigated *** results demonstrate that dislocation mediated plastic deformation decisively influences microstructural changes dur.ng tribological contact,further determining the magnetic domain ***,sliding-induced plastic deformation causes an increase in the width of magnetic domains,but depth-dependent derived microstructure formed under severe plastic deformation such as the refined grains and sub-grains,in turn,promoted the refinement of magnetic domains and their discontinuity,forming depth-dependent magnetic domain *** results are helpful to clarify the evolution of tribo-magnetization and the pinning effect of dislocations on magnetic domains.

关键词： tribology magnetic domain microstructure tribo-magnetization dislocations

Cobalt-nanoparticle catalysts derived from zeolitic imidazolate framework@MXene composites for efficient oxidative self-coupling of benzylamines

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Fr.ntiers of Chemical Science and Engineer.ng 2024年第1期18卷 95-106页

作者： Jie Chen Mingyuan Jian Deqiong Xie Kecan Dou Deli Chen Weidong Zhu fumin Zhang Key Laboratory of the Ministry of Education for Advanced Catalysis Materials Institute of Physical ChemistryZhejiang Normal UniversityJinhua 321004China

In this study,we synthesize a catalyst comprising cobalt nanoparticles supported on MXene by pyrolyzing a composite in a n2 ***,the composite comprises a bimetallic Zn/Co zeolitic imidazole framework grown in situ on the outer surface of *** catalytic efficiency of the catalyst is tested for the self-coupling of 4-methoxybenzylamine to produce value-added imine,where atmospheric oxygen(1 atm)is used as the *** on the results,the catalyst displayed impressive catalytic activity,achieving 95.4%yield of the desired imine at 383 K for 8 ***,the catalyst showed recyclability and toler.nce toward benzylamine substrates with various functional *** outstanding performance of the catalyst is primarily attributed to the synergetic catalytic effect between the cobalt nanoparticles and MXene support,while also benefiting from the three-dimensional porous ***,a preliminary investigation of potential reaction mechanisms is conducted.

关键词： MXene sacrificial template oxidative self-coupling Co nanoparticles imine

Distributed field mapping for mobile sensor teams using a derivative‐free optimisation algorithm

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IET Cyber-Systems and robotics 2024年第2期6卷 20-34页

作者： Tony X.Lin Jia Guo Said Al-Abri fumin Zhang fumin Zhang31School of Electrical&Computer Engineer.ng Georgia Institute of TechnologyAtlantaGeorgiaUSA College of Engineer.ng Sultan Qaboos UniversityMuscatOman Department of Electr.nic&Computer Engineer.ng Hong Kong University of Science and TechnologyHong KongChina

The authors propose a distributed field mapping algorithm that drives a team of robots to explore and learn an unknown scalar field using a Gaussian Process(GP).The authors’strategy arises by balancing exploration objectives between areas of high error and high *** computing high error regions is impossible since the scalar field is unknown,a bio-inspired approach known as Speeding-Up and Slowing-Down is leveraged to track the gradient of the GP *** approach achieves global field-learning convergence and is shown to be resistant to poor hyperparameter tuning of the *** approach is validated in simulations and experiments using 2D wheeled robots and 2D flying mini-ature autonomous blimps.

关键词： envir.nment sensing multi-robot systems

Machine learning of element geochemical anomalies for adverse geology identification in tunnels

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Journal of Earth Science 2024年

作者： ruiqi Shao Peng Lin Zhenhao Xu fumin Liu Yilong Liu School of Qilu Tr.nsportation， Shandong University State Key Laboratory for Tunnel Engineer.ng Jinan Institute of Geotechnical and Underground Engineer.ng， Shandong University

Geological analysis， despite being a long-term method for identifying adverse geology in tunnels， has significant limitations due to its reliance on empirical analysis. The quantitative aspects of geochemical anomalies associated with adverse geology provide a novel strategy for addressing these limitations. However， statistical methods for identifying geochemical anomalies are insufficient for tunnel engineer.ng. In contrast， data mining techniques such as machine learning have demonstrated greater efficacy when applied to geological data. Herein， a method for identifying adverse geology using machine learning of geochemical anomalies is proposed. The method was identified geochemical anomalies in tunnel that were not identified by statistical methods. We by employing robust factor analysis and self-organizing maps to reduce the dimensionality of geochemical data and extract the anomaly elements combination (AEC). Using the AEC sample data， we trained an isolation forest model to identify the multi-element anomalies， successfully. We analyzed the adverse geological features based the multi-element anomalies. This study， therefore， extends the traditional approach of geological analysis in tunnels and demonstrates that machine learning is an effective tool for intelligent geological analysis. Correspondingly， the research offers new insights regarding the adverse geology and the prevention of hazards dur.ng the construction of tunnels and underground engineer.ng projects.

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reversible generation of dissipative Kerr solitons in a microresonator by the backward tuning method

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Chinese Optics Letters 2024年第7期22卷 53-58页

作者： Jihui Zheng Lingman ni Wanghang Gu Linhua Jia Yur.n Zhai Qiong niu fumin Zhang Xinghua Qu Advanced Photonic Technology Laboratory College of Electronic and Optical Engineering&College of MicroelectronicsNanjing University of Posts and TelecommunicationsNanjing 210023China State Key Laboratory of Precision Measurement Technology and Instruments Tianjin UniversityTianjin 300072China

Soliton generation schemes have attracted considerable scholarly *** paper introduces a novel backward tuning method for the reversible generation of dissipative Kerr solitons(DKSs).reversible soliton generation relies on the thermal stabilization of the auxiliary laser,coupled with backward tuning of the pump laser,significantly increasing the r.nge of soliton steps by over 10 ***,the method alleviates the str.ngent auxiliary laser detuning *** adjusting the detuning of the auxiliary laser,diverse numbers of solitons can be deterministically generated,enhancing both flexibility and precision.

关键词： microresonator dissipative Kerr soliton reversible generation backward tuning.

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