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Nano Research 2024年第3期17卷 1182-1189页

作者： tianqi yu Kexin Tan Jia Wu Yongjin Zou Shibin Yin Guangxi Key Laboratory of Electrochemical Energy Materials School of Chemistry and Chemical EngineeringGuangxi UniversityNanning 530004China Guangxi Key Laboratory of Information Materials Guilin University of Electronic TechnologyGuilin 541004China

It is still a lack of bifunctional catalysts for ammonia oxidation reaction(AOR)and hydrogen evolution reaction(HER)due to their different reaction *** this work,P is doped into PtZn alloy by calcination with NaH_(2)PO_(2) as P source to induce the lattice tensile strain of Pt and the electronic interaction between P and Zn,which optimizes the AOR and HER activity *** sample with the optimal P content can drive the AOR peak current density of 293.6 mA·mgPt^(-1),which is almost 2.7 times of *** HER,the overpotential at^(-1)0 mA·cm^(-2) is only 23 mV with Tafel slope of 34.1 mV·dec^(-1).Furthermore,only 0.59 V is needed to obtain 50 mA·mgPt^(-1) for ammonia electrolysis under a two-electrode ***,this work shows an ingenious method to design bifunctional catalysts for ammonia electrolysis.

关键词： PtZn alloy phosphorous doping ammonia oxidation reaction hydrogen evolution reaction bifunctional catalyst

Turnip mosaic virus pathogenesis and host resistance mechanisms in Brassica

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Horticultural Plant Journal 2024年第4期10卷 947-960页

作者： Guanwei Wu Xinxin Fang tianqi yu Jianping Chen Fei Yan State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products Institute of Plant VirologyNingbo UniversityNingboZhejiang 315211China Key Laboratory of Biotechnology in Plant Protection of MARA and Zhejiang Province Institute of Plant VirologyNingbo UniversityNingboZhejiang 315211China

Turnip mosaic virus(TuMV)is a devastating potyvirus pathogen that infects a wide variety of both cultivated and wild Brassicaceae *** urgently need more information and understanding of TuMV pathogenesis and the host responses involved in disease development in cruciferous *** displays great versatility in viral pathogenesis,especially in its replication and intercellular ***,in the coevolutionary arms races between TuMV and its hosts,the virus has evolved to co-opt host factors to facilitate its infection and counter host defense *** review mainly focuses on recent advances in understanding the viral factors that contribute to the TuMV infection cycle and the host resistance mechanism in ***,we propose some future research directions on TuMV pathogenesis and control strategies to design durable TuMV-resistant Brassica crops.

关键词： Turnip mosaic virus Brassica Resistance genes Host factors Infection biology

Pyridinic-N doping carbon layers coupled with tensile strain of FeNi alloy for activating water and urea oxidation

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Green Energy & Environment 2024年第4期9卷 684-694页

作者： Guangfu Qian Wei Chen Jinli Chen Li Yong Gan tianqi yu Miaojing Pan Xiaoyan Zhuo Shibin Yin Guangxi Key Laboratory of Electrochemical Energy Materials College of Chemistry and Chemical EngineeringState Key Laboratory of Processing for Non-Ferrous Metal and Featured MaterialsGuangxi University100 Daxue RoadNanning530004China Institute for Structure and Function and Department of Physics Chongqing UniversityChongqing400030China

Exploitation of oxygen evolution reaction(OER)and urea oxidation reaction(UOR)catalysts with high activity and stability at large current density is a major challenge for energy-saving H_(2) production in water ***,we use the pyridinic-N doping carbon layers coupled with tensile strain of FeNi alloy activated by NiFe_(2)O_(4)(FeNi/NiFe_(2)O_(4)@NC)for efficiently increasing the performance of water and urea *** to the tensile strain effect on FeNi/NiFe_(2)O_(4)@NC,it provides a favorable modulation on the electronic properties of the active center,thus enabling amazing OER(η_(100)=196 mV)and UOR(E_(10)=1.32 V)intrinsic ***,the carbon-coated layers can be used as armor to prevent FeNi alloy from being corroded by the electrolyte for enhancing the OER/UOR stability at large current density,showing high industrial *** work thus provides a simple way to prepare high-efficiency catalyst for activating water and urea oxidation.

关键词： Carbon-encapsulated Tensile strain Catalyst Oxygen evolution reaction Urea oxidation reaction

The resistance switching performance of the memristor improved effectively by inserting carbon quantum dots(CQDs)for digital information processing

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Nano Research 2024年第9期17卷 8438-8446页

作者： tianqi yu Jie Li Wei Lei Suhaidi Shafe Mohd Nazim Mohtar Nattha Jindapetch Paphavee van Dommelen Zhiwei Zhao Joint International Research Laboratory of Information Display and Visualization School of Electronic Science and EngineeringSoutheast UniversityNanjing 210096China Institute of Nanoscience and Nanotechnology University Putra MalaysiaSerdangSelangor 43400Malaysia Department of Electrical Engineering Faculty of EngineeringPrince of Songkla UniversityHat YaiSongkhla 90112Thailand Division of Physical Science Faculty of SciencePrince of Songkla UniversityHat Yai Campus 15 KarnjanavanichHat YaiSongkhla 90110Thailand

As an emerging information device that adapts to development of the big data era,memristor has attracted much attention due to its advantage in processing massive ***,the nucleation and growth of conductive filaments often exhibit randomness and instability,which undoubtedly leads to a wide and discrete range of switching parameters,damaging the electrical performance of *** this work,a strategy of inserting carbon quantum dots(CQDs)into graphene oxide(GO)resistance layer is utilized to improve the stability of the switching parameters and the reliability of the device is *** with GO-based devices,GO/CQDs/GO-based devices exhibit a more stable resistance switching curve,low power,lower and more concentrated threshold voltage parameters with lower variation coefficient,faster switching speed,and more stable retention and *** cause-inducing performance improvement may be attributed to the local electric field generated by CQDs in resistance switching that effectively guides the formation and rupture of conductive filaments,which optimizes the effective migration distance of Ag^(+),thereby improving the uniformity of resistance ***,a convolutional neural network model is constructed to identify the CIFAR-10 data set,showing the high recognition accuracy of online and offline *** cross-kernel structure is used to further implement convolutional image processing through multiplication and accumulation *** work provides a solution to improve the performance of memristors,which can contribute to developing digital information processing.

关键词： carbon quantum dots memristor uniformity convolutional neural network convolutional image processing

Te-doped Fe3O4 flower enabling low overpotential cycling of Li-CO2 batteries at high current density

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结构化学 2024年第3期43卷 25-32页

作者： Huyi yu Renshu Huang Qian Liu Xingfa Chen tianqi yu Haiquan Wang Xincheng Liang Shibin Yin Guangxi Key Laboratory of Electrochemical Energy Materials School of Chemistry and Chemical EngineeringGuangxi University100 Daxue RoadNanning530004China

Li-CO2 batteries(LCBs)suffer from high overpotentials caused by sluggish CO2 reaction *** work designs a Te-doped Fe3O4(Te-Fe3O4)flower-like microsphere catalyst to lower the overpotential and improve the reversibility of *** results reveal that Te doping modifies the electronic structure of Fe3O4 and reduces the *** stable Te-O bond between Te and C2O4-could effectively inhibit the dispro-portionation reaction of the latter,enabling the Te-Fe3O4 cathodes to exhibit a remarkable capacity(9485 mAh g-1)and a long cycling life(155 cycles)with an overpotential of 1.21 V and an energy efficiency of about 80％at a high current density(2000 mA g-1).Through the interaction between Te and Li2C2O4 to inhibit the dispro-portionation reaction,this work successfully achieves long-term cycling of LCBs with low overpotential at high current density.

关键词： Li-CO_2 batteries Catalyst Tellurium Li_2C_2O_4 Large current density

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城市道路拓宽改造横断面选型要点分析

黑龙江交通科技 2024年第4期47卷 66-69页

作者：于天奇大连市市政设计研究院有限责任公司辽宁大连116011

以辽宁省大连市高新园区城市主干路红凌路拓宽工程为例,针对道路拥堵严重的问题,采用通行能力分析的方法,并考虑用地限制、避让管线、保留树木等因素,研究城市道路拓宽横断面的选型,并给出了具体示例。道路拓宽根据实际情况分路段选择... 详细信息

以辽宁省大连市高新园区城市主干路红凌路拓宽工程为例,针对道路拥堵严重的问题,采用通行能力分析的方法,并考虑用地限制、避让管线、保留树木等因素,研究城市道路拓宽横断面的选型,并给出了具体示例。道路拓宽根据实际情况分路段选择最适宜的横断面形式,能够在较好地改善道路交通拥堵问题的同时,降低工程难度,提高工程经济性,达到可持续发展的目标。

关键词：城市道路旧路拓宽横断面选型

超声造影到达时间参数成像对乳腺良恶性疾病诊断价值的研究

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中国超声医学杂志 2024年第6期40卷 646-648页

作者：于天琦刘婉君金壮蒋南于馨张筠锦州医科大学北部战区总医院研究生培养基地辽宁中医药大学附属第二医院电检科北部战区总医院超声诊断科

目的评价超声造影到达时间参数成像（At-PI）在鉴别乳腺良恶性病变中的价值。方法选取有明确病理结果的64个病变。定性分析病变的灌注模式、颜色分布、灌注缺损和缺损边界，定量计算At-PI与常规超声图像上病变的最大长径比(MLA/U)、... 详细信息

目的评价超声造影到达时间参数成像（At-PI）在鉴别乳腺良恶性病变中的价值。方法选取有明确病理结果的64个病变。定性分析病变的灌注模式、颜色分布、灌注缺损和缺损边界，定量计算At-PI与常规超声图像上病变的最大长径比(MLA/U)、最大厚径比(MTA/U)、面积比(SA/U)和造影剂到达病变最早与最晚时间差的绝对值。分析定量参数评估乳腺良恶性病变的受试者工作特征曲线下面积。结果 At-PI相较于超声造影具有更好的操作者间一致性。灌注缺损、颜色分布、MLA/U、MTA/U和SA/U在乳腺良恶性病变间有显著差异。结论 At-PI有助于乳腺良恶性病变的鉴别诊断且一致性优于超声造影。

关键词：超声造影到达时间参数成像乳腺良恶性病变

N‑Doped Graphene‑Decorated NiCo Alloy Coupled with Mesoporous NiCoMoO Nano‑sheet Heterojunction for Enhanced Water Electrolysis Activity at High Current Density

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Nano-Micro Letters 2021年第5期13卷 77-89页

作者： Guangfu Qian Jinli Chen tianqi yu Lin Luo Shibin Yin College of Chemistry and Chemical Engineering MOE Key Laboratory of New Processing Technology for Nonferrous Metals and MaterialsState Key Laboratory of Processing for Non‑Ferrous Metal and Featured MaterialsGuangxi University100 Daxue RoadNanning 530004P.R.China

Developing highly effective and stable non-noble metalbased bifunctional catalyst working at high current density is an urgent issue for water electrolysis(WE).Herein,we prepare the N-doped graphene-decorated NiCo alloy coupled with mesoporous NiCoMoO nano-sheet grown on 3D nickel foam(NiCo@C-NiCoMoO/NF)for water ***@C-NiCoMoO/NF exhibits outstanding activity with low overpotentials for hydrogen and oxygen evolution reaction(HER:39/266 mV;OER:260/390 mV)at±10 and±1000 mA cm^(−2).More importantly,in 6.0 M KOH solution at 60℃ for WE,it only requires 1.90 V to reach 1000 mA cm−2 and shows excellent stability for 43 h,exhibiting the potential for actual *** good performance can be assigned to N-doped graphene-decorated NiCo alloy and mesoporous NiCoMoO nano-sheet,which not only increase the intrinsic activity and expose abundant catalytic activity sites,but also enhance its chemical and mechanical *** work thus could provide a promising material for industrial hydrogen production.

关键词： N-doped graphene-decorated NiCo alloy Catalyst Mesoporous nano-sheet Water electrolysis High current density

Adaptive Neural Control for Nonlinear MIMO Function Constraint Systems

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IEEE/CAA Journal of Automatica Sinica 2023年第3期10卷 816-818页

作者： tianqi yu Yan-Jun Liu Lei Liu College of Science Liaoning University of TechnologyJinzhou 121001China IEEE

Dear Editor,In this letter,a novel adaptive control design problem for uncertain nonlinear multi-input-multi-output(MIMO)systems with time-varying full state constraints is proposed,where the considered systems consist of various subsystems,and the states of each subsystem are interconnected *** is universally acknowledged that in the existing researches with state constraints,system constraint bounds are always constants or time-varying functions.

关键词： MIMO constraints Nonlinear

Coupling interface engineering with electronic interaction toward high-efficiency H_(2) evolution in pH-universal electrolytes

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Journal of Energy Chemistry 2023年第5期80卷 535-541,I0012页

作者： Jinli Chen tianqi yu Zhixiang Zhai Guangfu Qian Shibin Yin Guangxi Key Laboratory of Electrochemical Energy Materials College of Chemistry and Chemical EngineeringSchool of Physical Science and TechnologyGuangxi UniversityNanning 530004GuangxiChina

Herein,the merits of heterojunction,CeO_(2),and W are employed to design and prepare the PtCoW@CeO_(2)heterojunction catalyst,which can accelerate water dissociation and improve the desorption of OHad,displaying efficient hydrogen evolution reaction(HER)performance in pH-universal *** functional theory calculation results reveal that the electronic structure of Pt is regulated by CeO_(2)and W,which tunes the Pt-Hadbond strength to boost HER intrinsic ***,electrochemical results display that it has low potentials of-26,-25,and-23 mV at-10 mA cm^(-2)in alkaline,neutral,and acidic solutions,respectively,and it can stably cycle for 50,000 ***,this work provides the guidance for developing high-performance Pt-based catalysts in pH-universal environments.

关键词： Heterojunction Heteroatom-doping Water dissociation pH-universal Hydrogen evolution reaction