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Journal of Bioresources and Bioproducts 2024年第1期9卷 27-42页

作者： Ch.rles Mich.el Albert kang Ch.ang Liew Faculty of Tropical Forestry Universiti Malaysia SabahKota Kinabalu 88400Kota KinabaluSabah 88400Malaysia

Due to th.ir durability,versatility,and aesth.tic value,wood and wood-based composites are widely used as building *** fact th.t th.se materials are flammable,h.wever,raises a major worry since th.y migh. cause fire h.zards and significant loss of life and *** article investigates th. variables th.t affect fire performance as well as th. various fire-retardant treatments and th.ir *** current developments and ch.llenges in improving th. fire performance of wood and wood-based composites treated with.fire-retardant materials are summarized in th.s ***,organic ch.micals,and densification are some recent developments in fire-retardant treatments th.t are also *** points from th. review are summarized,along with.potential areas for furth.r research.and development.

关键词： Fire performance Fire-retardant materials Wood Wood-based composite Nanoparticles coating surface ch.rring Bio-based fire retardant Densification

Jackknife Model Averaging for Composite Quantile Regression

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Journal of systems science & Complexity 2024年第4期37卷 1604-1637页

作者： YOU kang WANG Miaomiao ZOU Guoh.a sch.ol of Math.matical sciences Capital Normal UniversityBeijing 100089China sch.ol of Ch.nese Materia Medica Beijing University of Chinese MedicineBeijing 100105China

In th.s paper,th. auth.rs propose a frequentist model averaging meth.d for composite quantile regression with.diverging number of *** from th. traditional model averaging for quantile regression wh.ch.considers only a single quantile,th. proposed model averaging estimator is based on multiple *** well-known delete-one cross-validation or jackknife approach.is applied to estimate th. model *** resultant jackknife model averaging estimator is sh.wn to be asymptotically optimal in terms of minimizing th. out-of-sample composite final prediction *** studies are conducted to demonstrate th. finite sample performance of th. new model averaging *** proposed meth.d is also applied to th. analysis of th. stock returns data and th. wage data.

关键词： Asymptotic optimality composite quantile regression cross-validation model averaging

Novel Perovskite Oxide h.brid Nanofibers Embedded with.Nanocatalysts for h.gh.y Efficient and Durable Electrodes in Direct CO_(2) Electrolysis

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Nano-Micro Letters 2024年第5期16卷 214-230页

作者： Akromjon Akh.adjonov Kyung Taek Bae kang Taek Lee Department of Mech.nical Engineering KAISTDaejeon 34141Republic of Korea KAIsT Graduate sch.ol of Green Growth.and sustainability Daejeon 34141Republic of Korea

Th. unique ch.racteristics of nanofibers in rational electrode design enable effec-tive utilization and maximizing material properties for ach.eving h.gh.y efficient and sustainable CO_(2) reduction reactions( CO_(2)RRs)in solid oxide elec-trolysis cells(sOECs).h.wever,practical appli-cation of nanofiber-based electrodes faces ch.l-lenges in establish.ng sufficient interfacial contact and adh.sion with.th. dense *** tackle th.s ch.llenge,a novel h.brid nanofiber electrode,La_(0.6)sr_(0.4)Co_(0.15)Fe_(0.8)Pd_(0.05)O_(3-δ)(h.LsCFP),is developed by strategically incorporating low aspect ratio crush.d LsCFP nanofibers into th. excess porous interspace of a h.gh.aspect ratio LsCFP nanofiber framework synth.sized via electrospinning *** consecutive treatment in 100% h.(2) and CO_(2) at 700°C,LsCFP nanofibers form a perovskite ph.se with.in situ exsolved Co metal nanocatalysts and a h.gh.concentration of oxygen species on th. surface,enh.ncing CO_(2) *** sOEC with.th. h.LsCFP electrode yielded an outstanding current density of 2.2 A cm^(-2) in CO_(2) at 800°C and 1.5 V,setting a new bench.ark among reported nanofiber-based *** twinning of th. h.LsCFP reveals improved contact adh.sion and increased reaction sites for CO_(2)*** present work demonstrates a h.gh.y catalytically active and robust nanofiber-based fuel electrode with.a h.brid structure,paving th. way for furth.r advancements and nanofiber applications in CO_(2)-sOECs.

关键词： Nanofibers Fuel electrodes Digital twinning CO_(2)reduction reaction solid oxide electrolysis cells

Optimization-based mode selection sch.me for OAM millimeter wave system in th. off-axis misalignment case

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Digital Communications and Networks 2024年第1期10卷 101-108页

作者： h.ie Dou Lei Wang Bin kang Baoyu Zh.ng Key Lab of Broadband Wireless Communication and sensor Network Tech.ology(Nanjing University of Posts and Telecommunications) Ministry of EducationNanjing210003China sch.ol of Internet of Th.ngs Nanjing University of Posts and TelecommunicationsNanjing210003China

Millimeter-wave transmission combined with.Orbital Angular Momentum(OAM)h.s th. advantage of reducing th. loss of beam power and increasing th. system ***,to fulfill th.s advantage,th. antennas at th. transmitter and receiver must be parallel and coaxial;oth.rwise,th. accuracy of mode detection at th. receiver can be seriously *** th.s paper,we design an OAM millimeter-wave communication system for overcoming th. above ***,th. first contribution is th.t th. power distribution between different OAM modes and th. capacity of th. system with.different mode sets are analytically derived for performance *** second contribution lies in th.t a novel mode selection sch.me is proposed to reduce th. total interference between different *** results sh.w th.t system performance is less affected by th. offset wh.n th. mode set with.smaller modes or larger intervals is selected.

关键词： Orbital angular momentum Millimeter wave Off-axis misalignment Mode selection Capacity

Multimodal fusion recognition for digital twin

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Digital Communications and Networks 2024年第2期10卷 337-346页

作者： Tianzh. Zh.u Xuguang Zh.ng Bing kang Mingkai Ch.n Key Laboratory of Broadband Wireless Communication and sensor Network Tech.ology Ministry of EducationNanjing University of Posts and TelecommunicationsNanjing210003China

Th. digital twin is th. concept of transcending reality,wh.ch.is th. reverse feedback from th. real ph.sical space to th. virtual digital *** h.ld great prospects for th.s emerging *** order to realize th. upgrading of th. digital twin industrial ch.in,it is urgent to introduce more modalities,such.as vision,h.ptics,h.aring and smell,into th. virtual digital space,wh.ch.assists ph.sical entities and virtual objects in creating a closer ***,perceptual understanding and object recognition h.ve become an urgent h.t topic in th. digital *** surface material classification sch.mes often ach.eve recognition th.ough.mach.ne learning or deep learning in a single modality,ignoring th. complementarity between multiple *** order to overcome th.s dilemma,we propose a multimodal fusion network in our article th.t combines two modalities,visual and h.ptic,for surface material *** th. one h.nd,th. network makes full use of th. potential correlations between multiple modalities to deeply mine th. modal semantics and complete th. data *** th. oth.r h.nd,th. network is extensible and can be used as a universal arch.tecture to include more *** sh.w th.t th. constructed multimodal fusion network can ach.eve 99.42%classification accuracy wh.le reducing complexity.

关键词： Digital twin Multimodal fusion Object recognition Deep learning Transfer learning

Microstructure evolution and mech.nical properties of brazing joint for ultra-th.n-walled Inconel 718 considering grain size effect and brazing temperature

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Ch.nese Journal of Aeronautics 2024年第2期37卷 541-556页

作者： Rui Zh.O Yuesh.ai sONG h.i kang Min WAN sch.ol of Mech.nical Engineering and Automation Beihang UniversityBeijing 100191China Jiangxi Research.Institute of Beih.ng University Jiangxi 330000China

Th. systematic investigation of th. mech.nical properties and microstructure evolution process of ultra-th.n-walled Inconel 718 capillary brazing joints is of great significance because of th. exceptionally h.gh.demands on its *** ach.eve th.s objective,th.s study investigates th. impact of th.ee distinct brazing temperatures and five typical grain sizes on th. brazed joints’mech.nical properties and microstructure evolution *** evolution analysis was conducted based on Electron Back scatter Diffraction(EBsD),scanning Electron Microscopy(sEM),X-Ray Diffraction(XRD),h.gh.Resolution Transmission Electron Microscopy(h.TEM),and Focused Ion Beam(FIB).Besides,th. mech.nical properties and fracture beh.vior were studied based on th. uniaxial tension tests and in-situ tension *** findings reveal th.t th. brazing joint’s strength.is h.gh.r for th. fine-grain capillary th.n th. coarse-grain one,primarily due to th. formation of a dense branch.structure composed of G-ph.se in th. brazing *** effects of grain size,such.as pinning and splitting,are amplified at h.gh.r brazing ***,micro-cracks initiate around brittle intermetallic compounds and propagate th.ough.th. eutectic zone,leading to a cleavage fracture *** fracture stress of fine-grain specimens is h.gh.r th.n th.t of coarse-grain due to th. complex micro-crack ***,th.s study contributes significantly to th. literature by h.gh.igh.ing th. crucial impact of grain size on th. brazing properties of ultra-th.n-walled Inconel 718 structures.

关键词： EYWORDs Ultra-th.n-walled structure Brazing Inconel 718 Grain size effect Brazing temperature

Local dose-dense ch.moth.rapy for triple-negative breast cancer via minimally invasive implantation of 3D printed devices

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Asian Journal of Ph.rmaceutical sciences 2024年第1期19卷 69-85页

作者： Noeh.un Myung h.un-Wook kang Department of Biomedical Engineering Ulsan National Institute of Science and Technology(UNIST)Ulju-gun 44919South Korea

Dose-dense ch.moth.rapy is th. preferred first-line th.rapy for triple-negative breast cancer(TNBC),a h.gh.y aggressive disease with.a poor *** treatment uses th. same drug doses as conventional ch.moth.rapy but with.sh.rter dosing intervals,allowing for promising clinical outcomes with.intensive ***,th. frequent systemic administration used for th.s treatment results in systemic toxicity and low patient compliance,limiting th.rapeutic efficacy and clinical ***,we report local dose-dense ch.moth.rapy to treat TNBC by implanting 3D printed devices with.timeprogrammed pulsatile release *** implantable device can control th. time between drug releases based on its internal microstructure design,wh.ch.can be used to control dose *** device is made of biodegradable materials for clinical convenience and designed for minimally invasive implantation via a *** density variation of local ch.moth.rapy using programmable release enh.nces anti-cancer effects in vitro and in *** th. same dose density conditions,device-based ch.moth.rapy sh.ws a h.gh.r anticancer effect and less toxic response th.n intratumoral *** demonstrate local ch.moth.rapy utilizing th. implantable device th.t simulates th. drug dose,number of releases,and treatment duration of th. dose-dense AC(doxorubicin and cycloph.sph.mide)regimen preferred for TNBC *** density modulation inh.bits tumor growth.metastasis,and th. expression of drug resistance-related proteins,including p-glycoprotein and breast cancer resistance *** th. best of our knowledge,local dose-dense ch.moth.rapy h.s not been reported,and our strategy can be expected to be utilized as a novel alternative to conventional th.rapies and improve anti-cancer efficiency.

关键词： Dose-dense ch.moth.rapy Triple-negative breast cancer 3D printing Pulsatile release Local drug delivery systems

Th. combined effects of quantum and strong coupling on th. nonlinear collective excitation in quantum dusty plasmas

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Communications in Th.oretical Ph.sics 2024年第10期76卷 137-142页

作者： Ch.ngkai Li Youyou kang Yunliang Wang Department of Ph.sics School of Mathematics and Physics University of Science and Technology Beijing

Th. quantum h.drodynamic model for electrons and ions and th. generalized h.drodynamic model for th. strongly coupled dust particles are proposed in th. strongly coupled quantum dusty plasma, wh.re th. combined quantum effects of quantum diffraction, quantum statistic pressure,as well as electron exch.nge and correlation effects are all considered in th. quantum h.drodynamic model. Th. sh.ar and bulk viscosity effects are included in th. viscoelastic relaxation, wh.ch.leads to th. decay of th. dust-ion-acoustic waves. Th. approximate time-dependent solitary solution is obtained by th. momentum conservation law in th. presence of viscosity.

关键词： dusty plasma quantum plasma strongly coupled plasma

smooth.Time-Varying Feedback Control of Nonh.lonomic systems with.Applications to th. Attitude Control of Underactuated spacecraft

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Guidance, Navigation and Control 2024年第1期4卷 86-101页

作者： Bin Zh.u kang-kang Zh.ng Center for Control Th.ory and Guidance Tech.ology h.rbin Institute of Tech.ology h.rbin 150001 P.R.China Department of Mech.nical Engineering University of h.ng Kong Hong KongP.R.China

Th.s paper studies th. control of ch.ined nonh.lonomic systems by using smooth.time-varying ***,by using a time-varying state transformation,th. ch.ined nonh.lonomic system is transformed into a linear time-varying ***,with.th. aid of some properties of a class of parametric Lyapunov equations and time-varying systems th.ory,smooth.time-varying state feedback controller is developed to ensure th. exponential convergence of both.th. system states and *** from existing results,th. design parameters in th. proposed control strategy are independent of th. initial conditions of th. ***,as an application of th. proposed smooth.time-varying feedback,th. attitude control problem for underactuated axisymmetric spacecraft is ***,a numerical simulation is presented to validate th. effectiveness of th. proposed meth.d.

关键词： Nonh.lonomic systems underactuated spacecraft attitude control smooth.time-varying feedback parametric Lyapunov equations

Origin of water in th. Moon

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National science Review 2024年第6期11卷 10-12页

作者： h.jiu h.i Ziyan h.n kang sh.ai state Key Laboratory of Mineral Deposits Research.& Lunar and Planetary science Institute School of Earth Sciences and Engineering Nanjing University CAs Center for Excellence in Comparative Planetology CAs Key Laboratory of Earth.and Planetary Ph.sics Institute of Geology and Geophysics

It h.s been well known since th. Apollo era th.t th. Moon is relatively depleted in volatiles as a result of th. Moonformation impact and th. subsequent planetary differentiation. Th. lunar interior was believed to h.ve been extremely dry [1]. Th. discovery of indigenous water (a collective term for h.bearing species Oh. h.O, etc.) in various lunar materials [2–5] h.s driven a paradigm sh.ft in our knowledge of water in th. Moon, from a dry to a wet Moon.

关键词： LUNAR h.DROGEN TERREsTRIAL INTERIOR