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Achieving Ultra-Broad Microwave Absorption Bandwidth Around Millimeter-Wave Atmospheric Window Through an Intentional Manipulation on Multi-Magnetic Resonance Behavior

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Nano-Micro Letters 2024年第9期16卷 291-307页

作者： Chuyang liu Lu Xu Xueyu Xiang Yujing Zhang Li Zhou Bo Ouyang Fan Wu Dong‑Hyun Kim guangbin Ji School of Materials Science and Technology Nanjing University of Aeronautics and AstronauticsNanjing 210016JiangsuPeople’s Republic of China School of Materials Science and Engineering Nanjing University of Science and TechnologyNanjing 210094JiangsuPeople’s Republic of China School of Physics Nanjing University of Science and TechnologyNanjing 210094JiangsuPeople’s Republic of China School of Mechanical Engineering Nanjing University of Science and TechnologyNanjing 210094JiangsuPeople’s Republic of China School of Physics Chungbuk National UniversityCheongju 28644South Korea Department of Chemistry School of ScienceTianjin UniversityTianjin 300072People’s Republic of China

The utilization of electromagnetic waves is rapidly advancing into the millimeter-wave frequency range,posing increasingly severe challenges in terms of electromagnetic pollution prevention and radar ***,existing millimeter-wave absorbers are still inadequate in addressing these issues due to their monotonous magnetic resonance *** this work,rare-earth La^(3+)and non-magnetic Zr^(4+)ions are simultaneously incorporated into M-type barium ferrite(BaM)to intentionally manipulate the multi-magnetic resonance *** leveraging the contrary impact of La^(3+)and Zr^(4+)ions on magnetocrystalline anisotropy field,the restrictive relationship between intensity and frequency of the multi-magnetic resonance is successfully *** magnetic resonance peak-differentiating and imitating results confirm that significant multi-magnetic resonance phenomenon emerges around 35 GHz due to the reinforced exchange coupling effect between Fe^(3+)and Fe^(2+)***,Mosbauer spectra analysis,first-principle calculations,and least square fitting collectively identify that additional La^(3+)doping leads to a profound rearrangement of Zr^(4+)occupation and thus makes the portion of polarization/conduction loss increase *** a consequence,the La^(3+)-Zr^(4+)co-doped BaM achieves an ultra-broad bandwidth of 12.5+GHz covering from 27.5 to 40+GHz,which holds remarkable potential for millimeter-wave absorbers around the atmospheric window of 35 GHz.

关键词： Microwave absorption Ultra-broad bandwidth M-type barium ferrite Magnetocrystalline anisotropy field Multimagnetic resonance

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Guaranteed Cost Consensus for High-dimensional Multi-agent Systems With Time-varying Delays

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IEEE/CAA Journal of Automatica Sinica 2018年第1期5卷 181-189页

作者： Zhong Wang Ming He Tang Zheng Zhiliang Fan guangbin liu High-Tech Institute of Xi'an Xi'an 710025 China

Guaranteed cost consensus analysis and design problems for high-dimensional multi-agent systems with time varying delays are investigated. The idea of guaranteed cost con trol is introduced into consensus problems for high-dimensiona multi-agent systems with time-varying delays, where a cos function is defined based on state errors among neighboring agents and control inputs of all the agents. By the state space decomposition approach and the linear matrix inequality(LMI)sufficient conditions for guaranteed cost consensus and consensu alization are given. Moreover, a guaranteed cost upper bound o the cost function is determined. It should be mentioned that these LMI criteria are dependent on the change rate of time delays and the maximum time delay, the guaranteed cost upper bound is only dependent on the maximum time delay but independen of the Laplacian matrix. Finally, numerical simulations are given to demonstrate theoretical results.

关键词： Guaranteed cost consensus high-dimensional multi-agent system time-varying delay

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Event-triggered finite-time consensualization for multiagent networks with limited energy budgets

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Science China(Information Sciences) 2020年第11期63卷 318-320页

作者： Le WANG Jianxiang XI Dangbo DU guangbin liu Department of Automation Rocket Force University of Engineering

Dear editor,Recently, cooperative control has received considerable attention from researchers because of the noteworthy research results regarding cooperative control across multiple fields, including distributed computation for large-scale data, formation control of multiple unmanned aerial vehicles, and wireless communications [1–4].

关键词： Event-triggered control consensualization finite time limited energy budget multi-agent network

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Effect of Feeding Strategies on Molecular Responses of Biotransformation Genes in Crassostrea gigas Exposed to Cadmium

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Journal of Ocean University of China 2019年第4期18卷 883-888页

作者： SUN Ming liu guangbin LIN Hong ZHANG Tianwen GUO Wen Marine Biology Institute of Shandong Province Qingdao 266104 China College of Food Science and Engineering Ocean University of China Qingdao 266003 China

Heavy metals, including cadmium (Cd), are widespread pollutants of great environmental concern because of their ac- cumulation and toxicity. Environmental conditions can affect the accumulation and elimination of Cd in organisms. The aim of this study is to understand the respective responses of metallothioneins (MTs), P-glycoprotein (P-gp), and heat shock protein 70 (hsp70) genes in the mantle and digestive gland of the oyster Crassostrea gigas exposed to 10 g L 1 Cd for 28 days, followed by a depura- tion period of 35 days under different feeding strategies. The MT expression in the digestive gland was higher than in mantle, and was induced in a fluctuating pattern throughout the time of the whole experiment when the oyster was exposed to Cd. The results indicated an enhanced MT activity is required for Cd detoxification. Expression levels of P-gp in the mantle of Cd-exposed oysters fed with algae increased in the first two weeks of the accumulation phase. Then the induction weakened, but the expression still in- creased significantly compared with the control group fed without algae. The P-gp levels in the digestive gland were under-regulated during both the contamination and decontamination periods except in the group fed with Dicrateria inornata at day 0.083. The in- duction of P-gp is possibly related to the important role of pumping Cd out of the cell, while a major implication of P-gp expression inhibition would be a disruption of the protein synthesis. Hsp70 expression exhibited an overall decreasing trend. The highest relative hsp70 inhibition occurred during day 42 to day 63, with approximately 4-fold and 10-fold lower hsp70 levels as compared to the *** feeding with no algae in the mantle and digestive gland, respectively. The induction of hsp70 may be explained by the re- folding of protein in presence of Cd, followed by the inhibition of hsp70 when the protein synthesis was disrupted.

关键词： cadmium metallothionein P-glycoprotein heat shock protein 70 Crassostrea gigas feeding strategies

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Solid-state preparation of mesoporous Ce-Mn-Co ternary mixed oxide nanoparticles for catalytic degradation of methylene blue

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Journal of Rare Earths 2021年第7期39卷 826-834,I0003页

作者： Qingwen Wang Wenyong Deng Xinchen Lin Xigen Huang Ling Wei Lei Gong Changxiang liu guangbin liu Qian liu Key Laboratory of Chemical Utilization of Plant Resources of Nanchang College of ScienceJiangxi Agricultural UniversityNanchang 330045China

Mesoporous Ce-Mn-Co ternary metal oxide was fabricated via an efficient oxalate-precursor-based soft reactive grinding route and used to activate H_(2)O_(2) for advanced oxidation of methylene blue in *** addition,Mn-Co binary oxide and pure Co_(3)O_(4) and Mn_(3)O_(4) were also synthesized as reference *** catalysts were characterized by X-ray diffraction,N_(2) adsorption-desorption,H_(2)-temperature programmed reduction,transmission electron microscopy,scanning electron microscopy and X-ray photoelectron *** results demonstrate that part of the Ce and Mn can be incorporated into the lattice of Co_(3)O_(4) and cause severe lattice distortion of the unit *** with the single or binary system,Ce-Mn-Co ternary metal oxide exhibits the best activity in methylene blue removal and nearly 100% decomposition rate and 84% COD removal rate can be achieved in 12 h,and with degradation rate of 93.5% after three *** results are primarily attributed to the synergistic effect of Ce,Mn and Co,which can promote the formation of more lattice defects,higher specific surface area and smaller particle *** tests show that hydroxyl radicals(·OH) play more dominant role than superoxide radicals(·O_(2)^(-)).Kinetic studies were studied and the activation energies of all the catalysts were calculated.

关键词： Ce-Mn-Co mixed Oxide Methylene blue Advanced oxidation processes Soft reactive grinding Rare earths

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习近平关于“三个务必”重要论述的出场逻辑、基本内涵及实践指向

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中南大学学报(社会科学版) 2023年第6期29卷 12-20页

作者：刘光斌王希湖南大学马克思主义学院湖南长沙410082

习近平在党的二十大报告中首次提出“三个务必”重要论述,体现了党在新的“赶考”之路上对历史规律和时代大势的清醒认识。从出场逻辑看,新时代国内外形势的新变化与实践新要求是“三个务必”出场的现实逻辑,中华优秀传统文化的丰厚滋... 详细信息

习近平在党的二十大报告中首次提出“三个务必”重要论述,体现了党在新的“赶考”之路上对历史规律和时代大势的清醒认识。从出场逻辑看,新时代国内外形势的新变化与实践新要求是“三个务必”出场的现实逻辑,中华优秀传统文化的丰厚滋养与中国共产党百余年的奋斗经验启示是“三个务必”出场的历史逻辑,马克思主义基本观点的理论要求是“三个务必”出场的理论逻辑。从基本内涵看,“务必不忘初心、牢记使命”主要昭示了党的政治本色;“务必谦虚谨慎、艰苦奋斗”主要体现了党的优良作风;“务必敢于斗争、善于斗争”主要彰显了党的鲜明品格。三者呈现出相互联系、辩证统一的逻辑关系。从实践指向看,新时代新征程贯彻落实好“三个务必”,要强化以“三个务必”为要旨的思想政治教育,提升以“三个务必”为要求的党员党性修养,以及推进以“三个务必”为要务的全面从严治党。

关键词：习近平 “三个务必” 出场逻辑基本内涵实践指向

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论实事求是是马克思主义中国化“两个结合”的精神实质

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思想政治教育研究 2023年第4期39卷 14-19页

作者：刘光斌王希湖南大学马克思主义学院湖南长沙410082

习近平总书记提出了关于马克思主义中国化“两个结合”的重要论述,其反映出来的精神实质就是实事求是。中国具体实际是马克思主义在中国发扬光大的现实依据,把马克思主义基本原理同中国具体实际相结合符合实事求是的基本要求。中华优秀... 详细信息

习近平总书记提出了关于马克思主义中国化“两个结合”的重要论述,其反映出来的精神实质就是实事求是。中国具体实际是马克思主义在中国发扬光大的现实依据,把马克思主义基本原理同中国具体实际相结合符合实事求是的基本要求。中华优秀传统文化是马克思主义在中国生长的文化土壤,把马克思主义基本原理同中华优秀传统文化相结合接续了实事求是的文化传统。中国化马克思主义是马克思主义中国化“两个结合”所产生的理论成果,实事求是是中国化马克思主义的理论精髓,在新时代推进马克思主义中国化“两个结合”就是要继续坚持实事求是的基本路线,发展当代中国马克思主义,二十一世纪马克思主义。

关键词：实事求是马克思主义中国化 “两个结合” 精神实质

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Carbon and nitrogen budget in fish-polychaete integrated aquaculture system

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Journal of Oceanology and Limnology 2021年第3期39卷 1151-1159页

作者： Fawen HU Ming SUN Jinghui FANG Guodong WANG Li LI Fengxiang GAO Yuxia JIAN Xue WANG guangbin liu Yan ZOU Wen GUO Marine Biology Institute of Shandong Province Qingdao 266104China Yellow Sea Fisheries Research Institute Chinese Academy of Fishery SciencesQingdao 266071China Laboratory for Marine Fisheries Science and Food Production Processes Pilot National Laboratory for Marine Science and Technology(Qingdao)Qingdao 266071China Marine Science and Engineering College Qingdao Agricultural UniversityQingdao 266109China

Integrated multi-tropic aquaculture(IMTA)systems have been used in China for many years and have achieved significant economic,social,and ecological ***,there is still a lack of benthic bioremediation species that can effectively utilize the aquaculture particulate organic waste in the *** Perinereis aibuhitensis Grube is used as an environmental remediation species for large-scale aquaculture to reduce particulate organic waste,which is of great significance to environmental *** improve bio-elements utilization efficiency,*** was applied for IMTA indoor fish(Hexagrammos otakii)*** showed that in the system,production of 1 kg of the fish discharged 2141-2338 mg of carbon and 529-532 mg of nitrogen,while in the monoculture of the fish,the figures were 3033-3390 mg and 764-794 mg,or 24.84%-35.26%and 30.35%-33.32%less,*** approach promoted IMTA technology that could utilize the particulate organic waste from intensive aquaculture and reduce the adverse environmental effects.

关键词： Perinereis aibuhitensis Grube Hexagrammos otakii integrated multi-tropic aquaculture(IMTA) carbon and nitrogen budget sediment remediation

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基于响应面法优化鲁氏酵母培养基

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中国农学通报 2024年第15期40卷 124-131页

作者：潘冬梅杨传伦张心青郭南南张萧萧高保军王秀芝司更花和富明傅英旬田杰伟刘光彬赵辉黄河三角洲京博化工研究院有限公司山东滨州256500 山东京博控股集团有限公司山东滨州256500

为了提高鲁氏酵母的菌量,并解决酱油工业化生产中发酵时间过长的问题,研究通过单因素试验,利用基于响应面法对鲁氏酵母培养基成分进一步优化。首先,采用Plackett-Burman设计方法,在影响鲁氏酵母活菌数的9个因素中快速而有效地筛选出了3... 详细信息

为了提高鲁氏酵母的菌量,并解决酱油工业化生产中发酵时间过长的问题,研究通过单因素试验,利用基于响应面法对鲁氏酵母培养基成分进一步优化。首先,采用Plackett-Burman设计方法,在影响鲁氏酵母活菌数的9个因素中快速而有效地筛选出了3个显著性影响因素:葡萄糖、豆粕、硫酸锰,随后,通过最陡爬坡试验确定了最大响应值区间,并使用Box-Behnken设计方法得到最优培养基组合:葡萄糖58 g/L、玉米粉20 g/L、磷酸二氢铵5 g/L、豆粕43 g/L、磷酸二氢钾1 g/L、磷酸氢二钠2 g/L、硫酸锌0.04 g/L、硫酸锰0.04 g/L、硫酸镁0.5 g/L。在最优培养基组合下,鲁氏酵母活菌数达到12.81×10^(8)cfu/mL,是优化前的3.64倍。本研究的发现为酱油工业化生产提供了一种有效提高鲁氏酵母菌量的方法,有望显著缩短发酵时间。

关键词：鲁氏酵母酱油生产单因素实验响应面实验培养基优化

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基于水源地目标控制的入江支流磷通量阈值研究

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人民长江 2023年第9期54卷 50-59页

作者：巫丹娄明月刘广兵刘淼江苏省环境科学研究院江苏南京210036 江苏省环境工程重点实验室江苏南京210036

在满足长江水源地水质目标的基础上,为了探究不同形态磷对总磷污染的贡献程度,从而有效控制长江入江支流总磷污染,以长江支流秦淮新河和滁河入江段为研究对象,通过数值模型模拟并结合现场监测数据,构建了入江支流二维水动力水质模型,研... 详细信息

在满足长江水源地水质目标的基础上,为了探究不同形态磷对总磷污染的贡献程度,从而有效控制长江入江支流总磷污染,以长江支流秦淮新河和滁河入江段为研究对象,通过数值模型模拟并结合现场监测数据,构建了入江支流二维水动力水质模型,研究了典型水文条件下不同形态磷通量阈值和主要影响因素。结果表明:受降雨事件影响,入江支流颗粒态磷和溶解态磷通量均在降雨量最大时达到峰值,且丰水期颗粒态磷和溶解态磷通量显著高于平水期和枯水期。秦淮新河丰水期颗粒态磷、溶解态磷和总磷通量阈值分别为418.25,163.92 kg/d和582.17 kg/d;滁河丰水期颗粒态磷、溶解态磷和总磷通量阈值分别为338.08,144.78 kg/d和482.85 kg/d。敏感性分析表明,水质边界条件对入江支流不同形态磷通量阈值影响更显著。

关键词：水源地典型水文条件入江支流不同形态磷通量阈值秦淮新河滁河长江南京段

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