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*** acknowledges the financial support from the Engineering and Physical Sciences Research Council(***/L022559/1,EP/L022559/2,EP/V050311/1,and EP/W004399/1);Royal Society(***130230 and IE161214);H2020 Marie Skłodowska-Curie Actions(No.790666);*** supported by a PhD Studentship provided by queen mary university of london and China Scholarship Council(CSC).

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Nano Research 2022年第8期15卷 7432-7452页

作者： Lumin Chen Somia Yassin Hussain Abdalkarim Houyong Yu Xiang Chen Dongping Tang Yingzhan Li Kam Chiu Tam The Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Ministry of Education Zhejiang Sci-Tech UniversityHangzhou 310018China Department of Chemical Engineering University of WaterlooWaterlooOntario N2L 3G1Canada

Advanced energy and sensor devices with novel applications(e.g.,mobile equipment,electric vehicles,and medical-healthcare systems)are one of the important foundations of modern intelligent ***,there are still some scientific issues that seriously hinder the further development of devices,including unsustainability,high material cost,complex fabrication process,safety issues,and unsatisfactory *** has aroused tremendous attention in recent decades,because of its abundant resources,renewability,degradability,low-cost,and unique physical/chemical *** merits make nanocellulose as matrix materials to fabricate advanced functional composites for use in energy-related fields extremely ***,we comprehensively discuss the recent progress of nanocellulose for emerging energy storage/harvesting and sensor *** preparation methodologies of nanocellulose combined with conductive materials are firstly highlighted,including carbon materials,conductive polymers,metal/metal oxide nanoparticles,metal-organic frameworks(MOFs),and covalent organic frameworks(COFs).We then focus on the nanocellulose-based advanced materials for the application in the areas of supercapacitors,lithium-ion batteries,solar cells,triboelectric nanogenerators,moisture-enabled electric generators,and ***,the future research directions of nanocellulose-based functional materials in energy-related devices are presented.

关键词： nanocellulose conductive composites supercapacitors lithium-ion batteries solar cells nanogenerators sensors

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Predicting the Geographic Traffic Distribution in Cellular Networks

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China Communications 2010年第1期7卷 6-14页

作者： Laurie Cuthbert Department of Electronic Engineering Queen Mary University of London

Early detection and rapid resolution network congestion can considerably improve network capacity. Consequently, much research has been carried out on predicting traff ic patterns in 3G networks. This paper introduces an access point centric approach that is implemented by two prediction models, the traffic abstraction model and the order-k Markov model. Traffi c predictions are carried out to support the congestion control in the semi-smart antenna systems. The simulation result shows that the cumulative error rate is below 25% even carrying out multi-step-ahead predictions.

关键词： traffic pattern prediction traffic abstraction model Markov model congestion control

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Analogical discovery of disordered perovskite oxides by crystal structure information hidden in unsupervised material fingerprints

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npj Computational Materials 2021年第1期7卷 659-670页

作者： Achintha Ihalage Yang Hao School of Electronic Engineering and Computer Science Queen Mary University of LondonLondonUK

Compositional disorder induces myriad captivating phenomena in ***-driven discovery of perovskite solid solutions has been a great challenge due to the analytical complexity introduced by ***,we demonstrate that an unsupervised deep learning strategy can find fingerprints of disordered materials that embed perovskite formability and underlying crystal structure information by learning only from the chemical composition,manifested in (A_(1-x)A'_(x))BO_(3) and A(B_(1-x)B'_(x))O_(3) *** phenomenon can be capitalized to predict the crystal symmetry of experimental compositions,outperforming several supervised machine learning(ML)*** educated nature of material fingerprints has led to the conception of analogical materials discovery that facilitates inverse exploration of promising perovskites based on similarity investigation with known *** search space of unstudied perovskites is screened from~600,000 feasible compounds using experimental data powered ML models and automated web mining tools at a 94%success *** concept further provides insights on possible phase transitions and computational modelling of complex *** proposed quantitative analysis of materials analogies is expected to bridge the gap between the existing materials literature and the undiscovered terrain.

关键词： perovskite crystal disordered

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From electromagnetic bandgap to left-handed metamaterials:modelling and applications

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Journal of Zhejiang university-Science A(Applied Physics & Engineering) 2006年第1期7卷 34-40页

作者：郝阳 The Department of Electronic Engineering Queen Mary College University of London London UK

In this paper, numerical modelling of left-handed materials （LHMs） is presented using in-house and commercial software packages. Approaches used include the finite-difference time-domain （FDTD） method, finite element method （FEM） and method of moments （MoMs）. Numerical simulation includes verification of negative refraction and ＂perfect lenses＂ construction, investigation of evanescent wave behaviour in layered LHMs, reversed Shell＇s Law in electromagnetic band gap （EBG）-like structures and construction of LHMs using modified split ring resonators （SRRs）. Numerical results were verified to be in good agreement with theory, At the end of this paper, potential applications of LHMs in microwave engineering are discussed.

关键词： Numerical modelling Electromagnetic crystals Bandgap Left-handed materials (LHMs)

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Linear Bayes Estimators Applied to the Inverse Gaussian Lifetime Model

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Journal of Systems Science & Complexity 2016年第6期29卷 1683-1692页

作者： WANG Lichun PETTIT Lawrence Department of Mathematics Beijing Jiaotong University School of Mathematical Sciences Queen Mary University of London

For the two-parameter inverse Gaussian distribution denoted by IG（μ,A）, the authors employ a linear Bayes procedure to estimate the parameters μ and A. The superiority of the proposed linear Bayes estimator （LBE） over both the classical UMVUE and the maximum likelihood estimator （MLE） is established in terms of the mean squared error matrix （MSEM） criterion. Compared with the usual Bayes estimator, which is obtained by an MCMC method, the proposed LBE is simple and easy to use. Some numerical results are presented to verify that the LBE performs well.

关键词： Linear Bayes method MCMC method mean squared error matrix (MSEM) quadraticloss.

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Skewed superstatistical distributions from a Langevin and Fokker-Planck approach

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Chinese Science Bulletin 2011年第34期56卷 3633-3638页

作者： VAN DER STRAETEN Erik BECK Christian queen mary university of london School of Mathematical Sciences

The superstatistics concept is a useful statistical method to describe inhomogeneous complex systems for which a system parameter βfluctuatesonalargespatio-temporal scale. Inthispaper weanalyze ameasuredtimeseriesofwindspeed fluctuationsandextract the superstatistical distribution function f(β) directly from the data. We construct suitable Langevin and Fokker-Planck models with a position dependent β-field and show that they reduce to standard type of superstatistics in the overdamped limit.

关键词：普朗克复杂系统统计方法时间尺度分布函数位置相关不均匀过阻尼

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The Virtual Geoscience Workbench, VGW: Open Source tools for discontinuous systems

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Particuology 2010年第2期8卷 100-105页

作者： A. Munjiza J. Xiang X. Garcia J.P. Latham G.G. Schiava D'Albano N.W.M. John Department of Engineering Queen Mary London University London UK Department of Earth Science and Engineering Imperial College London UK

In 1989 work began on merging finite and discrete elements. During 1990 algorithmic solutions for the new combined method were developed, together with a C-based implementation known as the Y code. In 2004 these developments and implementations were published as a textbook. queen mary university of london ~QMUL） and Imperial College are currently engaged in a research project to make Y codes in both 2D and 3D available in Open Source format and with mainly geoscience problems in mind. The result is a set of Open Source tools for Geoscience （VGW）, key components of which are summarised in this paper, together with illustrative range of simulation results. 2009 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.

关键词： Combined finite-discrete elementWorkbenchModellingGeoscience

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Modelling of massive particulates for breakwater engineering using coupled FEMDEM and CFD

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Particuology 2008年第6期6卷 572-583页

作者： John-Paul Lathama Antonio Munjiza Julian Mindel Jiansheng Xiang Romain Guises Xavier Garcia Chris Pain Gerard Gorman Matthew Piggott Department of Earth Science and Engineering Imperial College London UK Department of Engineering Queen Mary London University London UK

The seaward slope of many breakwaters consists of thousands of interlocking units of rock or concrete comprising a massive granular system of large elements each weighing tens of tonnes. The dumped quarry materials in the core are protected by progressively coarser particulates. The outer armour layer of freely placed units is intended to both dissipate wave energy and remain structurally stable as strong flows are drawn in and out of the particulate core. Design guidance on the mass and shape of these units is based on empirical equations derived from scaled physical model tests. The main failure mode for armour layers exposed to severe storms is hydraulic instability where the armour units of concrete or rock are subjected to uplift and drag forces which can in turn lead to rocking, displacement and collisions sufficient to cause breakage of units. Recently invented armour unit designs making up such granular layered system owe much of their success to the desirable emergent properties of interlock and porosity and how these combine with individual unit structural strength and inertial mass. Fundamental understanding of the forces governing such wave-structure interaction remains poor. We use discrete element and combined finite-discrete element methods to model the granular solid skeleton of randomly packed units coupled to a CFD code which resolves the wave dynamics through an interface tracking technique. The CFD code exploits several methods including a compressive advection scheme, node movement, and general mesh optimization. We provide the engineering context and report progress towards the numerical modelling of instability in these massive granular systems.

关键词： Modelling DEM Wave-structure interaction Armour units Breakwater

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High-temperature dielectric polymer composite for high power energy storage applications

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Science China Chemistry 2024年第8期67卷 2425-2426页

作者： Xiangyan Yu Haixue Yan School of Engineering and Materials Science Queen Mary University of LondonLondon E14NSUK

Polymer-based dielectric films are the main component of dielectric capacitors due to their high power density, which plays an important role in power electrical systems using renewable energy, such as electric vehicles, solar panel, wind power [1]. However, the energy density of dielectrics is lower than that of other energy storage materials, such as batteries or supercapacitors. High energy density of the dielectric is related to high dielectric permittivity and high dielectric breakdown strength (DBS).

关键词： composite dielectric energy

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Unveiling the atomic-scale transition between light harvesting and photoprotective states in plant photosynthesis

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Science China Chemistry 2024年第5期67卷 1375-1377页

作者： Alexander V.Ruban School of Biological and Behavioural Sciences Queen Mary University of LondonLondon E14NSUK

Non-photochemical chlorophyll fluorescence quenching(NPQ) stands as a cornerstone in the realm of photosynthesis research, attracting generations of dedicated scientists in their quest to unravel its mysteries. This mechanism, crucial for safeguarding photosynthesis, plays a pivotal role in regulating light harvesting, particularly in oxygenic photosynthesis where the oxygen-evolving photosystem II (PSII)is susceptible to photodamage [1].

关键词： harvesting protective attracting

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