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Analysis of heat flow diagram of small-scale power generation system:Innovative approaches for improving techno-economic and ecological indices

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science China(Technological sciences) 2020年第11期63卷 2256-2274页

作者： SHAGDAR Enkhbayar SHUAI Yong GUENE LOUGOU Bachirou GANBOLD Enkhjin CHINONSO Ogugua Paul TAN HePing Key Laboratory of Aerospace Thermophysics of Ministry of Industry and Information Technology Harbin Institute of TechnologyHarbin 150001China School of Energy Science and Engineering Harbin Institute of TechnologyHarbin 150001China School of Energy Science and Power Engineering Mongolian University of Science and TechnologyUlaanbaatar 14191Mongolia School of Mechanical and Power Engineering Harbin University of Science and TechnologyHarbin 150001China

In this paper,the heat flow diagram of steam turbine model K-6-35 has been analyzed for innovative approaches towards improving the techno-economic and ecological indices of the small-scale power generation *** numerical analysis is performed using IPSEpro process simulation software based on heat balance method under four different *** was found that the study of Solar Assisted Power Generation(SAPG)system has important practical significance in power generation with minimum pollutants and maximum *** fuel-saving(FS)and power-boosting(PB)operation modes of the SAPG system are *** types of stand-alone solar thermal power plants exhibited very low overall efficiency with many ecological advantages compared to the conventional thermal power plant based on fossil ***,SAPG system with FS mode presented higher techno-economic indices and operation *** important reduction in fuel consumption and pollutant emissions could be obtained with SAPG *** the hourly,daily,monthly,and yearly amount of saved fuel and reduced pollutants in the whole power plant,the SAPG system with FS mode can largely contribute to high ecological indices power generation.A thermal efficiency increased by 1.31%with specific equivalent fuel consumption decreased by 22.54 g/kWh was obtained with SAPG *** coal consumption was reduced by 4.75%when SAPG system operates in FS mode.

关键词： heat flow diagram solar assisted power generation parabolic trough collector solar thermal power plant techno-economic indices genetic algorithm

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Multi-layer network embedding on scc-based network with motif

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Digital Communications and Networks 2024年第3期10卷 546-556页

作者： Lu Sun Xiaona Li Mingyue Zhang Liangtian Wan Yun Lin Xianpeng Wang Gang Xu Department of Communication Engineering Institute of Information Science TechnologyDalian Maritime UniversityDalian116026China Key Laboratory of Big Data Intelligent Computing Chongqing University of Posts and TelecommunicationsChongqing400065China Key Laboratory for Ubiquitous Network and Service Software of Liaoning Province DUT School of Software Technology&DUT-RU International School of Information Science and EngineeringDalian University of TechnologyDalian 116620China College of Information and Communication Engineering Harbin Engineering UniversityHarbin 150001China School of Information and Communication Engineering Hainan UniversityHaikou 570228China State Key Laboratory of Millimeter Waves School of Information Science and EngineeringSoutheast UniversityNanjing 210096China

Interconnection of all things challenges the traditional communication methods,and Semantic Communication and Computing(SCC)will become new *** is a challenging task to accurately detect,extract,and represent semantic information in the research of SCC-based *** previous research,researchers usually use convolution to extract the feature information of a graph and perform the corresponding task of node ***,the content of semantic information is quite *** graph convolutional neural networks provide an effective solution for node classification tasks,due to their limitations in representing multiple relational patterns and not recognizing and analyzing higher-order local structures,the extracted feature information is subject to varying degrees of ***,this paper extends from a single-layer topology network to a multi-layer heterogeneous topology *** Bidirectional Encoder Representations from Transformers(BERT)training word vector is introduced to extract the semantic features in the network,and the existing graph neural network is improved by combining the higher-order local feature module of the network model representation network.A multi-layer network embedding algorithm on SCC-based networks with motifs is proposed to complete the task of end-to-end node *** verify the effectiveness of the algorithm on a real multi-layer heterogeneous network.

关键词： Semantic communication and computing Multi-layer network Graph neural network Motif

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Promoting the La solution in 2:14:1-type compound:Resultant chemical deviation and microstructural nanoheterogeneity

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Journal of Materials science & technology 2021年第3期62卷 195-202页

作者： Yongsheng Liu Jiaying Jin Tianyu Ma Baixing Peng Xinhua Wang Mi Yan School of Materials Science and Engineering State Key Laboratory of Silicon materialsKey Laboratory of Novel Materials for Information Technology of Zhejiang ProvinceZhejiang UniversityHangzhou310027China

RE_(2)Fe_(14)B-based(RE,rare earth)permanent magnets containing abundant and cheap La/Ce have attracted intense attention *** comparison with Ce that can fully replace Nd in the 2:14:1 lattice,La substitution for Nd has long been limited at a low *** we present that through doping La35 Ce65 alloy with the La/Ce ratio in natural mineral,stable 2:14:1 phase can be maintained at 1273 K within the entire substitution range of[(La_(35)Ce_(65))、(Pr_(20)Nd_(80))_(1-x)]_(2.14)Fe_(14)B(0.6≤x≤1.0,at.%),as verified by composition analysis,microstructural characterization and magnetic ***,the promoted La solution in 2:14:1 phase induces two unique findings upon coexisting La-Ce-Pr-Nd:i)Compared to Ce that fits well with the nominal concentration,La deviates noticeably from the nominal one;ii)Nanoscale spinodal-decomposition-like phase separation is observed due to different solubilities of La-Ce-Pr-Nd elements in 2:14:1 *** joint effects induce higher Curie temperature than estimation based on the rule of mixture,which delights the prospect of La_(35)Ce_(65)alloy in developing low-cost permanent materials.

关键词： La-Ce Permanent magnets Nd-Fe-B Microstructure

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A Transmission Method for Intra-flight Ad Hoc Networks Based on Business Classification

A Transmission Method for Intra-flight Ad Hoc Networks Based...

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International Conference on Artificial Intelligence in China, ChinaAI 2019

作者： Huang, Songhua Science and Technology on Information Systems Engineering Key Laboratory Nanjing Research Institute of Electronics Engineering Nanjing210007 China

ISBN: (纸本)9789811501869

With dynamic topology, insufficient wireless bandwidth and variable path quality, new IP based applications across intra-flight ad hoc networks are always challenged by the fact that transmission services cannot always meet the requirements of the businesses. After analyzing the current status of transmission method of mobile ad hoc networks, this paper proposes a multi-mode transmission method based on business classification for intra-flight ad hoc networks. And the simulation results indicate that, compared with traditional transmission protocol, this method increases the throughput of intra-flight ad hoc networks greatly, while meeting the requirements of various businesses, such as the small capacity and low latency, the large capacity and low jitter, and the high reliability. © Springer Nature Singapore Pte Ltd 2020.

关键词： Flight simulators

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A-188 V 7.2Ω·mm^2,P-channel high voltage device formed on an epitaxy-SIMOX substrate

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Chinese Physics B 2011年第8期20卷 327-334页

作者：吴丽娟胡盛东张波罗小蓉李肇基 State Key Laboratory of Electronic Thin Films and Integrated Devices University of Electronic Science and Technology of China College of Communication Engineering Chengdu University of Information Technology College of Communication Engineering Chongqing University

This paper proposes a new n＋-charge island （NCI） P-channel lateral double diffused metal-oxide semiconductor （LDMOS） based on silicon epitaxial separation by implantation oxygen （E-SIMOX） substrate. Higher concentration self-adapted holes resulting from a vertical electric field are located in the spacing of two neighbouring n＋-regions on the interface of a buried oxide layer, and therefore the electric field of a dielectric buried layer （EI） is enhanced by these holes effectively, leading to an improved breakdown voltage （BV）. The VB and E! of the NCI P-channel LDMOS increase to -188 V and 502.3 V/μm from -75 V and 82.2 V/μm of the conventional P-channel LDMOS with the same thicknesses SOI layer and the buried oxide layer, respectively. The influences of structure parameters on the proposed device characteristics are investigated by simulation. Moreover, compared with the conventional device, the proposed device exhibits low special on-resistance.

关键词： dielectric buried layer breakdown voltage self-adapted holes epitaxy-SIMOX

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Concurrent improvements of corrosion resistance and coercivity in Nd-Ce-Fe-B sintered magnets through engineering the intergranular phase

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Journal of Materials science & technology 2022年第15期110卷 239-245页

作者： Jiaying Jin Yongming Tao Xinhua Wang Zeyu Qian Wang Chen Chen Wu Mi Yan School of Materials Science and Engineering State Key Laboratory of Silicon MaterialsKey Laboratory of Novel Materials for Information Technology of Zhejiang ProvinceZhejiang UniversityHangzhou 310027China

Usually the improved coercivity of rare earth(RE)based 2:14:1-type permanent magnets via RE-rich intergranular additives is achieved at the cost of more corrosion channels and deteriorated corrosion resistance,which remains a challenging hurdle in the RE-Fe-B ***,here we report the concurrent improvements of corrosion resistance and coercivity in 40 wt.%Ce-substituted Nd-Ce-Fe-B sintered magnets through engineering the intergranular phase using simple(Nd,Pr)H_(x)*** dehydrogenated Nd/Pr changes the RE concentration gradients between 2:14:1 matrix and intergranular phases during sintering and enlarges the fraction of corrosion-resistant REFe_(2) phase,rather than the conventionally assumed Nd/Pr-rich intergranular phase with high chemical *** spontaneous formation of REFe_(2) intergranular phase after(Nd,Pr)H_(x) addition generates the uniquely enhanced corrosion resistance against the hot/humid and acidic environments,and counts as one peculiar feature of Nd-Ce-Fe-B magnets at high Ce substitution level,being distinct from previously reported Ce-free/lean ***,the formation of continuous grain boundaries enhances the coercivity from 8.7to 12.5 k Oe with trace addition of(Nd,Pr)H_(x).Above findings may spur progress towards developing a high-performance Nd-Ce-Fe-B permanent magnet.

关键词： Abundant rare earth Ce Corrosion resistance REFe_(2) Coercivity Microstructure

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CBR and Focus Learning based Joint Fire Strike Plan Generation Method 22

CBR and Focus Learning based Joint Fire Strike Plan Generati...

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5th International Conference on Control and Computer Vision, ICCCV 2022

作者： Jin, Xin Wang, Xinnian Cai, Fei Guo, Yupu Science and Technology on Information System Engineering Laboratory Nanjing210007 China Science and Technology on Information System Engineering Laboratory Changsha410073 China

ISBN: (纸本)9781450397315

It is a common military activity to carry out joint fire strike against sea/air-based targets with high threat/value but strong defense ability. The especially high time sensitivity requires immediate actions, leaving little time for planning, greatly challenging the commanders' experience and ability of to work under pressure. This will be changed by AI technologies. A CBR and focus learning based joint fire strike plan generation method is proposed. In peacetime, the scenarios and planning products that the operational staff study and drill are accumulated. The system will automatically recommend reference cases suitable for the current situation according to the new task and battlefield situation, and incrementally learn the concerns of the proficient staff on reference case selection facing tasks. The method has been verified feasible and effective through experiments, which can generate joint strike plans in seconds, and significantly reduce the error rate of the novice staffs, with certain reference value to the command information system development. © 2022 ACM.

关键词： Case based reasoning

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Artificial intelligence for advanced functional materials: exploring current and future directions

JPhys Materials

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JPhys Materials 2025年第2期8卷

作者： Malica, Cristiano Novoselov, Kostya S Barnard, Amanda S Kalinin, Sergei V Spurgeon, Steven R Reuter, Karsten Alducin, Maite Deringer, Volker L Csányi, Gábor Marzari, Nicola Huang, Shirong Cuniberti, Gianaurelio Deng, Qiushi Ordejón, Pablo Cole, Ivan Choudhary, Kamal Hippalgaonkar, Kedar Zhu, Ruiming von Lilienfeld, O Anatole Hibat-Allah, Mohamed Carrasquilla, Juan Cisotto, Giulia Zancanaro, Alberto Wenzel, Wolfgang Ferrari, Andrea C Ustyuzhanin, Andrey Roche, Stephan Bremen Center for Computational Materials Science MAPEX Center for Materials and Processes University of Bremen BremenD-28359 Germany Institute for Functional Intelligent Materials National University of Singapore Singapore117544 Singapore Department of Materials Science and Engineering National University of Singapore Singapore117575 Singapore School of Computing Australian National University Acton Australia Department of Materials Science and Engineering University of Tennessee KnoxvilleTN United States Pacific Northwest National Laboratory RichlandWA United States National Renewable Energy Laboratory GoldenCO United States University of Colorado BoulderCO United States Fritz-Haber-Institut der Max-Planck-Gesellschaft Berlin Germany Donostia-San Sebastián Spain Donostia International Physics Center Donostia-San Sebastián Spain Inorganic Chemistry Laboratory Department of Chemistry University of Oxford Oxford United Kingdom Engineering Laboratory University of Cambridge Cambridge United Kingdom Lausanne Switzerland Institute for Materials Science Max Bergmann Center for Biomaterials TUD Dresden University of Technology Dresden Germany School of Engineering RMIT University Melbourne Australia Campus UAB Bellaterra Spain School of Engineering Australia National University Acton Australia Materials Science and Engineering Division National Institute of Standards and Technology GaithersburgMD United States School of Materials Science and Engineering Nanyang Technological University Singapore639798 Singapore Singapore138634 Singapore Departments of Chemistry Materials Science & Engineering Physics and the Acceleration Consortium University of Toronto Canada Vector Institute TorontoON Canada ML Group Technische Universität Berlin Institute for the Foundations of Learning and Data Berlin Germany Department of Applied Mathematics University of Waterloo WaterlooON Canada Institute for Theoretical Physics ETH Zürich Switzerland Depar

This perspective addresses the topic of harnessing the tools of artificial intelligence (AI) for boosting innovation in functional materials design and engineering as well as discovering new materials for targeted applications in energy storage, biomedicine, composites, nanoelectronics or quantum technologies. It gives a current view of experts in the field, insisting on challenges and opportunities provided by the development of large materials databases, novel schemes for implementing AI into materials production and characterization as well as progress in the quest of simulating physical and chemical properties of realistic atomic models reaching the trillion atoms scale and with near ab initio accuracy. © 2025 The Author(s). Published by IOP Publishing Ltd.

关键词： Yarn

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A Q-band CMOS LNA exploiting transformer feedback and noise-cancelling

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science China(information sciences) 2015年第4期58卷 148-157页

作者： WU Jing JIANG ZhengDong YI Kai KANG Kai YU YiMing CHEN JiXin ZHANG Lei LIU Jun LI Le-Wei Joshua School of Economic Information Engineering Southwestern University of Finance and Economics School of Electronic Engineering University of Electronic Science and Technology of China State Key Laboratory of Millimeter Waves Southeast University Institute of Microelectronics Tsinghua University Key Laboratory of RF Circuits and Systems Hangzhou Dianzi University School of Engineering Monash University

In this paper, a Q-band CMOS low noise amplifier(LNA) exploiting transformer positive-negative feedback and noise cancelling is presented. The proposed low noise amplifier consists of a positive transformer feedback to achieve noise-reduction and a negative transformer feedback to obtain high reverse isolation and stability. The noise cancellation technique is applied in this LNA to achieve a low noise figure. This LNA has been fabricated by standard commercial 90 nm CMOS. According to measurements, this proposed LNA achieves a peak gain of 11.5 d B, a noise figure of 6.5 d B and an input P1 d B of-12 d Bm. It consumes 11.5 m A from a1.2 V supply occupying the area of 0.6×0.7 mm2.

关键词： CMOS low noise amplifier Q-band transformer feedback noise cancelling millimeter wave

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Bifunctional nanoprobe for simultaneous detection of intracellular reactive oxygen species and temperature in single cells

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Microsystems & Nanoengineering 2024年第6期10卷 161-172页

作者： Yanmei Ma Weikang Hu Jian Hu Muyang Ruan Jie Hu Ming Yang Yi Zhang Hanhan Xie Chengzhi Hu Shenzhen Key Laboratory of Biomimetic Robotics and Intelligent Systems Department of Mechanical and Energy EngineeringSouthern University of Science and TechnologyShenzhen 518000China Department of Electrical and Electronic Engineering Southern University of Science and TechnologyShenzhen 518000China

Living cells can rapidly adjust their metabolic activities in response to external stimuli,leading to fluctuations in intracellular temperature and reactive oxygen species(ROS)*** these parameters is essential for understanding cellular metabolism,particularly during dynamic biological *** this study,we present a bifunctional nanoprobe capable of simultaneous measurement of ROS levels and temperature within single *** nanoprobe features two individually addressable nanoelectrodes,with platinum(Pt)and nickel(Ni)coatings on both *** the tip,these two metal layers form a nano-thermocouple,enabling precise intracellular temperature measurements,while the Pt layer facilitates selective ROS *** dual functionality allows for real-time monitoring of cellular responses during synergistic chemo-photothermal therapy of cancer cells and zebrafish embryos subjected to mitochondrial toxic *** results demonstrate that the nanoprobe effectively measures increases in temperature and ROS levels in HeLa cells undergoing chemo-photothermal therapy,as well as in chemically stimulated zebrafish *** providing detailed analysis of submicrometer-scale temperature and ROS variations within living cells,this nanoprobe offers valuable insights into cellular processes and holds promise for early disease detection and drug development.

关键词： metabolism simultaneous holds

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