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Journal of Automation and intelligence 2024年第1期3卷 34-39页

作者： Wendi Chen Qinglai Wei institute of Systems engineering Macao University of Science and TechnologyAvenida WeiLong Taipa999078Macao Special Administrative Region of China The State Key Laboratory of Multimodal Artificial intelligence Systems Institute of AutomationChinese Academy of Sciences95 Zhongguancun East Road100190BeijingChina

in this paper,a new optimal adaptive backstepping control approach for nonlinear systems under deception attacks via reinforcement learning is presented in this *** existence of nonlinear terms in the studied system makes it very difficult to design the optimal controller using traditional *** achieve optimal control,RL algorithm based on critic–actor architecture is considered for the nonlinear *** to the significant security risks of network transmission,the system is vulnerable to deception attacks,which can make all the system state *** using the attacked states to design coordinate transformation,the harm brought by unknown deception attacks has been *** presented control strategy can ensure that all signals in the closed-loop system are semi-globally ultimately ***,the simulation experiment is shown to prove the effectiveness of the strategy.

关键词： Nonlinear systems Reinforcement learning Optimal control Backstepping method

Patterns of crop-specific fertilizer-nitrogen losses and opportunities for sustainable mitigation:A quantitative overview of 15N-tracing studies

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Soil Ecology Letters 2024年第2期6卷 71-81页

作者： Cong Xu Hanshen Zhu Haokuang Liu Cheng Ji Jie Yuan Guanlin Li Jidong Wang Yongchun Zhang National Agricultural Experimental Station for Agricultural Environment LuheInstitute of Agricultural Resources and EnvironmentJiangsu Academy of Agricultural SciencesNanjing210014China School of the Environment and Safety engineering Jiangsu UniversityZhenjiang212013China

Pattern and mitigation potential of crop-specific fertilizer-N losses were *** showed high fertilizer-N losses due to high N application rates and low ***,SOC,and soil pH are key parameters affecting fertilizer-N *** a given application rate,soils with higher SOC have lower fertilizer-N *** N rate combined with SOC improvement could cut 34.8%-59.6%of N losses.

关键词： fertilizer-nitrogen loss crop-specific 15N tracing soil organic carbon meta-analysis

in-situ electrochemical study on the eff ects of Fe(Ⅲ)on kinetics of pyrite acidic pressure oxidation

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Acta Geochimica 2024年第4期43卷 814-825页

作者： Yu Zhang Can Cui Sen Lin Heping Li Lian Yang Yadian Xie Hailiang Hu Lingyun Zhou Huanjiang Wang Chunyan Li School of Chemical engineering Guizhou Minzu UniversityGuiyang 550025China Key Laboratory of High-Temperature and High-Pressure Study of the Earth’s interior Institute of GeochemistryChinese Academy of SciencesGuiyang 550081China

Fe(Ⅲ)has been proved to be a more eff ective oxidant than dissolved oxygen at ambient temperature,however,the role of Fe(Ⅲ)in pyrite acidic pressure oxidation was rarely discussed so *** this paper,in-situ electrochemical investigation was performed using a flow-through autoclave system in acidic pressure oxidation *** results illustrated that increasing Fe(Ⅲ)concentrations led to raising in redox potential of the solution,and decreased passivation of pyrite caused by deposition of elemental *** of Fe(Ⅲ)at pyrite surface was a fast reaction with low activation energy,it was only slightly promoted by rising ***,the oxidation rate of pyrite at all investigated Fe(Ⅲ)concentrations increased obviously with rising temperatures,the anodic reaction was the rate-limiting step in the overall *** energy of pyrite oxidation decreased from 47.74 to 28.79 kJ/mol when Fe(Ⅲ)concentration was increased from 0.05 to 0.50 g/L,showing that the reaction kinetics were limited by the rate of electrochemical reaction at low Fe(Ⅲ)concentrations,while,it gradually turned to be diffusion control with increasing Fe(Ⅲ)concentrations.

关键词： Pyrite Pressure oxidation Fe(Ⅲ) in-situ electrochemistry Hydrothermal experiment

Large-scale physical simulation of injection and production of hot dry rock in Gonghe Basin,Qinghai Province,China

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Petroleum Exploration and Development 2024年第3期51卷 741-752页

作者： ZHAO Peng ZHU Haiyan Li Gensheng CHEN Zuo CHEN Shijie SHANGGUAN Shuantong Qi Xiaofei State Key Laboratory of Geohazard Prevention and Geoenvironment Protection Chengdu University of TechnologyChengdu 610059China State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation Chengdu University of TechnologyChengdu 610059China College of Energy Chengdu University of TechnologyChengdu 610059China State Key Laboratory of Petroleum Resources and Prospecting China University of Petroleum(Beijing)Beijing 102249China Sinopec research institute of Petroleum engineering Co.Ltd. Beijing 102206China The Second Geological Team of Hebei Coal Field Geology Bureau(Hebei Hot Dry Rock research Center) Xingtai 054000China

Based on the independently developed true triaxial multi-physical field large-scale physical simulation system of in-situ injection and production,we conducted physical simulation of long-term multi-well injection and production in the hot dry rocks of the Gonghe Basin,Qinghai Province,NW *** multi-well connectivity experiments,the spatial distribution characteristics of the natural fracture system in the rock samples and the connectivity between fracture and wellbore were *** injection and production wells were selected to conduct the experiments,namely one injection well and two production wells,one injection well and one production *** variation of several physical parameters in the production well was analyzed,such as flow rate,temperature,heat recovery rate and fluid *** results show that under the combination of thermal shock and injection pressure,the fracture conductivity was enhanced,and the production temperature showed a downward *** larger the flow rate,the faster the *** the local closed area of the fracture was gradually activated,new heat transfer areas were generated,resulting in a lower rate of increase or decrease in the mining *** heat recovery rate was mainly controlled by the extraction flow rate and the temperature difference between injection and production *** the conductivity of the leak-off channel increased,the fluid recovery of the production well rapidly *** influence mechanisms of dominant channels and fluid leak-off on thermal recovery performance are *** former limits the heat exchange area,while the latter affects the flow rate of the produced *** of them are important factors affecting the long-term and efficient development of hot dry rock.

关键词： hot dry rock simulation of injection and production heat extraction performance conductivity dominant channel fluid leak-off

空间选择性缺陷管理制备高性能碳基CsPbi_(3)钙钛矿太阳能电池

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Science Bulletin 2024年第8期69卷 1050-1060页

作者：王海亮张啟先林则东刘慧丛魏晓震宋永发律春宇李卫平朱立群王科翔崔振华王兰林常青殷鹏刚宋廷鲁白阳陈棋杨世和陈海宁 School of Materials Science and engineering Beihang UniversityBeijing 100191China Guangdong Provincial Key Lab of Nano-Micro Materials research School of Advanced MaterialsShenzhen Graduate SchoolPeking UniversityShenzhen 518055China institute of Biomedical engineering Shenzhen Bay LaboratoryShenzhen 518107China School of Chemistry Beihang UniversityBeijing 100191China Beijing Key Laboratory of Construction Tailorable Advanced Functional Materials and Green Applications MIIT Key Laboratory for Low-Dimensional Quantum Structure and DevicesExperimental Center of Advanced MaterialsSchool of Materials Science&EngineeringBeijing Institute of TechnologyBeijing 100081China School of internet of Things engineering Jiangnan UniversityWuxi 214122China School of Physical Science and Technology Guangxi UniversityNanning 530004China Experimental Center of Advanced Materials School of Materials Science&EngineeringBeijing Institute of TechnologyBeijing 100081China

Defects formed at the surface,buried interface and grain boundaries(GB)of CsPbi_(3)perovskite films considerably limit photovoltaic *** defects could be passivated effectively by the most prevalent post modification strategy without compromising the photoelectric properties of perovskite films,but it is still a great challenge to make this strategy comprehensive to different defects spatially distributed throughout the ***,a spatially selective defect management(SSDM)strategy is developed to roundly passivate various defects at different locations within the perovskite film by a facile one-step treatment procedure using a piperazine-1,4-diium tetrafluoroborate(PZD(BF_(4))_(2))*** small-size PZD^(2+)cations could penetrate into the film interior and even make it all the way to the buried interface of CsPbi_(3)perovskite films,while the BF_(4)^(-)anions,with largely different properties from i^(-)anions,mainly anchor on the film ***,virtually all the defects at the surface,buried interface and grain boundaries of CsPbi_(3)perovskite films are effectively healed,leading to significantly improved film quality,enhanced phase stability,optimized energy level alignment and promoted carrier *** these films,the fabricated CsPbi_(3)PSCs based on carbon electrode(C-PSCs)achieve an efficiency of18.27%,which is among the highest-reported values for inorganic C-PSCs,and stability of 500 h at 85℃with 65%efficiency maintenance.

关键词： CsPbi_(3) Defects Spatially selective defect management Carbon electrode

integration of morphology and electronic structure modulation on cobalt phosphide nanosheets to boost photocatalytic hydrogen evolution from ammonia borane hydrolysis

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Green Energy & Environment 2024年第2期9卷 333-343页

作者： Chao Wan Yu Liang Liu Zhou Jindou Huang Jiapei Wang Fengqiu Chen Xiaoli Zhan Dang-guo Cheng School of Chemistry and Chemical engineering Anhui Province Key Laboratory of Coal Clean Conversion and High Valued UtilizationAnhui University of TechnologyMa'anshan243002China College of Chemical and Biological engineering Zhejiang UniversityZhejiang Provincial Key Laboratory of Advanced Chemical Engineering Manufacture Technology38 Zheda RoadHangzhou310027China Key Laboratory of New Energy and Rare Earth Resource Utilization of State Ethnic Affairs Commission Key Laboratory of Photosensitive Materials&Devices of Liaoning ProvinceSchool of Physics and Materials EngineeringDalian Nationalities University 18 Liaohe West RoadDalian116600China institute of Zhejiang University-Quzhou 78 Jiuhua Boulevard NorthQuzhou324000China Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology Changzhou University213164China

The controllable and safe hydrogen storage technologies are widely recognized as the main bottleneck for the accomplishment of sustainable hydrogen *** borane(AB)has regarded as a competitive candidate for chemical hydrogen ***,developing efficient yet high-performance catalysts towards hydrogen evolution from AB hydrolysis remains an enormous ***,cobalt phosphide nanosheets are synthesized by a facile salt-assisted along with low-temperature phosphidation strategy for simultaneously modulating its morphology and electronic structure,and function as hydrogen evolution ***,the Co_(2)P nanosheets display extraordinary performance with a record high turnover frequency of 44.9 min^(-1),outperforming most of the noble-metal-free catalysts reported to *** remarkable performance is attributed to its desired nanosheets structure,featuring with high specific surface area,abundant exposed active sites,and short charge diffusion *** findings provide a novel strategy for regulating metal phosphides with desired phase structure and morphology for energy-related applications and beyond.

关键词： Ammonia borane Hydrogen generation Hydrolysis Cobalt phosphide nanosheets Photocatalysis

Two-dimensional transition metal MXene-based gas sensors:A review

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Chinese Chemical Letters 2024年第1期35卷 208-221页

作者： Junfeng Li Xiaojie Chen Xiaojie Zhu Yingchang Jiang Xueting Chang Shibin Sun College of Logistics and engineering Shanghai Maritime UniversityShanghai 201306China institute of Marine Materials Science and engineering Shanghai Maritime UniversityShanghai 201306China

As an emerging star in the family of two-dimensional(2D)materials,2D transition metal carbides,carbonitrides and nitrides,collectively referred to as MXenes,have large specific surface area,rich active sites,metallic conductivity and adjustable surface chemical *** features make MXenes promising candidates for gas-sensing *** the past few years,MXene-based sensors have drawn increasing attention due to their enhanced sensor *** on this,this review systematically represents the structure,synthesis methods and properties of MXenes,and summarizes their applications in gas ***,the types,structure,main synthesis methods and properties of MXenes are introduced in a comprehensive ***,the corresponding design principle and working mechanism of MXene-based gas sensor are ***,the sensing performances of pristine MXenes and the MXene-based nanocomposite are ***,some future opportunities and challenges of MXene-based sensors are pointed out.

关键词： MXene Gas sensors Synthesis Stability Gas-sensing mechanism Gas-sensing performance

Atomically dispersed Fe sites on hierarchically porous carbon nanoplates for oxygen reduction reaction

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Journal of Energy Chemistry 2024年第3期90卷 7-15,I0002页

作者： Ruixue Zheng Qinglei Meng Hao Zhang Teng Li Di Yang Li Zhang Xiaolong Jia Changpeng Liu Jianbing Zhu Xiaozheng Duan Meiling Xiao Wei Xing State Key Laboratory of Electroanalytical Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022JilinChina School of Applied Chemistry and engineering University of Science and Technology of ChinaHefei 230026AnhuiChina Laboratory of Advanced Power Sources Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022JilinChina institute of Functional Nano&Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesJiangsu Key Laboratory of Advanced Negative Carbon TechnologiesSoochow UniversitySuzhou 215123JiangsuChina State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun 130022JilinChina

Developing cost-effective,robust and stable non-precious metal catalysts for oxygen reduction reaction(ORR) is of paramount importance for electrochemical energy conversion devices such as fuel cells and metal-air *** Fe-N-C single atom catalysts(SACs) have been hailed as the most promising candidate due to the optimal binding strength of ORR intermediates on the Fe-N_(4) sites,they suffer from serious mass transport limitations as microporous templates/substrates,i.e.,zeolitic imidazolate frameworks(ZiFs),are usually employed to host the active *** by this challenge,we herein develop a hydrogen-bonded organic framework(HOF)-assisted pyrolysis strategy to construct hierarchical micro/mesoporous carbon nanoplates for the deposition of atomically dispersed Fe-N_(4) *** a design is accomplished by employing HOF nanoplates assembled from 2-aminoterephthalic acid(NH_(2)-BDC) and p-phenylenediamine(PDA) as both soft templates and C,N *** from the structural merits inherited from HOF templates,the optimized catalyst(denoted as Fe-N-C SAC-950) displays outstanding ORR activity with a high half-wave potential of 0.895 V(*** hydrogen electrode(RHE)) and a small overpotential of 356 mV at 10 mA cm^(-2) for the oxygen evolution reaction(OER).More excitingly,its application potential is further verified by delivering superb rechargeability and cycling stability with a nearly unfading charge-discharge gap of 0.72 V after 160 *** dynamics(MD) simulations reveal that micro/mesoporous structure is conducive to the rapid mass transfer of O_(2),thus enhancing the ORR *** situ Raman results further indicate that the conversion of O_(2) to~*O_(2)-the rate-determining step(RDS) for Fe-N-C *** work will provide a versatile strategy to construct single atom catalysts with desirable catalytic properties.

关键词： Fe single atom catalysts Oxygen reduction reaction Mesoporous structure Active sites Zinc-air battery

Tuning SMSi to stabilize metallic Pd species:A case study on Pd/TiO_(2) for HCHO oxidation

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Chinese Chemical Letters 2024年第3期35卷 162-166页

作者： Chunying Wang Xiaofeng Liu Jingyi Wang Yaobin Li Shaohua Xie Fudong Liu Changbin Zhang Yuming Zheng Wenpo Shan Hong He Center for Excellence in Regional Atmospheric Environment Key Laboratory of Urban Pollutant ConversionInstitute of Urban EnvironmentChinese Academy of SciencesXiamen 361021China Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control Ningbo Urban Environment Observation and Research StationChinese Academy of SciencesNingbo 315800China Department of Civil Environmentaland Construction Engineering(CECE)Catalysis Cluster for Renewable Energy and Chemical Transformations(REACT)Nano Science Technology Center(NSTC)University of Central FloridaOrlandoFL 32816USA State Key Joint Laboratory of Environment Simulation and Pollution Control Research Center for Eco-environmental SciencesChinese Academy of SciencesBeijing 100085China

Pretreatment of the carrier for supported catalysts can effectively improve the strong metal-support interaction(SMSi)and increase the dispersion of precious metals,which are critical to many important catalytic *** this work,we tuned SMSi on Pd/TiO_(2)catalysts through inducing surface defects of TiO_(2)by pretreated with different atmospheres(H_(2)/N_(2),N_(2),O_(2)/N_(2))at the high temperature(800℃).Multiple characterization results illustrated that surface defects anchored Pd species and thus enhanced their *** reduction,Ti^(3+)species formed and transferred onto the metallic Pd species and then induced SMSi,which effectively stabilize Pd species in the metallic *** stronger MSi,the more stability of Pd *** a case,Pd/TiO_(2)–800H_(2),with strongest MSi,displayed the best HCHO oxidation performance at low temperature(10℃).

关键词： Pd/TiO_(2) Surface defects SMSi Formaldehyde Stability of Pd species

research Progress on Effects of Continuous Cropping on Soil Microbial Florae and its Restoration

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Agricultural Biotechnology 2024年第2期13卷 75-80页

作者： Zaixiang ZHU Zebin CHEN Shengguang XU Zhiwei FAN Li LiN Tianfang WANG Qingmei Li Yue YAN Agriculture and Life Sciences College Kunming UniversityKunming 650214China Office of Academic Affairs Kunming UniversityKunming 650201China Yunnan institute of Biological Carbon engineering research Center Kunming 650214China

Continuous cropping has become a common form of agricultural production at present, but with the increase of continuous cropping years, continuous cropping obstacles such as soil-borne diseases and plant growth potential decline are becoming more and more common. At present, the causes of continuous cropping obstacles and continuous cropping restoration have become a hot issue in agricultural research. This paper summarized the effects of continuous cropping obstacles on soil microbial community structure and main technical methods to repair continuous cropping obstacles, such as agricultural measure management, microbial balance adjustment and soil improvement, aiming to provide theoretical reference for protecting the sustainable utilization of soil ecosystem and ensuring the stability of crop production.

关键词： Continuous cropping obstacle Rhizosphere soil Microorganism Soil remediation Soil improvement