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环境治理中的多元主体参与研究——基于西北地区问卷调查数据的实证分析

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安全与环境学报 2022年第6期22卷 3360-3369页

作者：齐晓亮南开大学周恩来政府管理学院天津300350 陕西警官职业学院西部生态安全法治研究中心西安710021

环境治理是社会治理的重要内容之一,多元主体参与是我国环境治理发展的必然趋势。为了探索多元主体参与对环境治理的具体影响,以785份调查问卷数据为基础对各主体的参与程度进行测度,分别提出了政府参与度感知、企业参与度感知、社会组... 详细信息

环境治理是社会治理的重要内容之一,多元主体参与是我国环境治理发展的必然趋势。为了探索多元主体参与对环境治理的具体影响,以785份调查问卷数据为基础对各主体的参与程度进行测度,分别提出了政府参与度感知、企业参与度感知、社会组织参与度感知、公众参与度感知对环境治理成效感知具有显著正向影响的假设。然后,利用SPSS 20软件分别对政府参与度感知、企业参与度感知、社会组织参与度感知、公众参与度感知和环境治理成效感知的相关性展开了分析,并通过回归分析检验了多元主体参与感知和环境治理成效感知之间的具体关系,以此测度多元主体参与和环境治理之间的关系。结果表明,在控制受访者性别、年龄、受教育程度以及居住地等因素后,政府参与度感知对环境治理成效感知的影响最大,公众参与度感知对环境治理成效感知的影响次之,企业参与度感知对环境治理成效感知的影响最小,社会组织参与度感知对环境治理成效感知的影响不显著。这种现象大体符合我国当前环境治理的现实情况,通过探究这种现实情况背后所折射出的深层次问题,有利于明确各主体参与环境治理过程中的现实困境。研究可以为西北地区的环境治理、生态建设等决策提供依据,从而进一步助力于我国多元主体参与环境治理的路径探索进程。

关键词：环境科学技术基础学科多元主体参与环境治理成效政府主导回归分析

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Dynamics of three ferrofluid droplets in a rotating magnetic field

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Applied Mathematics and Mechanics(English Edition) 2025年第3期46卷 591-600页

作者： Xinping ZHOU Wencai xiao qi ZHANG Chunyue liang Wanqiu ZHANG Fei ZHANG School of Mechanical Science and Engineering Huazhong University of Science and Technology State Key Laboratory of Intelligent Manufacturing Equipment and Technology Huazhong University of Science and Technology

Two-dimensional（2D） direct numerical simulations on the dynamics of three identical ferrofluid droplets suspended in a non-magnetic ambient fluid under a rotating uniform magnetic field are conducted, and the motion and deformation of the three ferrofluid droplets are studied in this paper. Results show that there are four modes(i.e., the three droplets' direct coalescence（TC）, the coalescence of two droplets and the subsequent planetary motion with the third droplet（CAP）, the three droplets' planetary motion（TP）, and the independent spin（IS）) for the three ferrofluid droplets, dependent on the magnetic Bond number（Bom） and the initial distance（d0） between two of the droplets. It is found that the decrease in d0and the increase in Bomcan make the droplets' mode change from the IS to the planetary motion, and then turn to the ***, reducing Bomor d0is helpful for the droplets to become merged.

关键词： Drop formation

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时间、信息与人工智能

物理 2024年第6期53卷 357-367页

作者：祁晓亮斯坦福大学物理系美国斯坦福CA 94305 路径积分科技有限公司美国库比蒂诺CA 95014

近年来,人工智能(AI)大语言模型取得了突飞猛进的发展,将人工智能对人类社会的影响也拓宽到了前所未有的范围。文章将从与物理学有关的两个角度——信息和时间尺度,来谈谈作者对大语言模型带来的人工智能革命的一些不成熟的见解。文中... 详细信息

近年来,人工智能(AI)大语言模型取得了突飞猛进的发展,将人工智能对人类社会的影响也拓宽到了前所未有的范围。文章将从与物理学有关的两个角度——信息和时间尺度,来谈谈作者对大语言模型带来的人工智能革命的一些不成熟的见解。文中首先回顾大语言模型的基本原理和近期发展,再讨论从信息的动力学和复杂度的角度如何看待大语言模型的意义。基于人工智能模型和人类认知系统的比较,也会探讨人工智能的下一步发展方向,以及AI智能体方面的探索和发展。

关键词：大语言模型人工智能信息复杂性系统1 系统2

Correlation between grain size,mechanical properties and deformed microstructure of Fe-20Mn-6Al-0.6C-0.15Si low-density steel

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Journal of Iron and Steel Research International 2025年第1期32卷 282-292页

作者： qi Zhang Guang-hui Chen Zheng-liang Xue Zheng-kun Chen Guang Xu State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan430081HubeiChina Key Laboratory for Ferrous Metallurgy and Resources Utilization of Ministry of Education Wuhan University of Science and TechnologyWuhan430081HubeiChina Red Eagle Novel Refractory Materials Research Institute Zhejiang Red Eagle Group Co.Ltd.Huzhou313000ZhejiangChina

The effects of austenite grain size on the deformed microstructure and mechanical properties of an Fe-20Mn-6Al-0.6C-0.15Si(wt.%)low-density steel were *** microstructure of the experimental steel after solution treatment was single austenitic *** austenite grain size increased with solution temperature and time.A model was established to show the relationship between temperature,time and austenite grain size for the experimental *** addition,as the solution temperature increased,the strength decreased,while the elongation first increased and then *** decrease in elongation after solution treatment at 1100℃ for 90 min is contributed to the over-coarse austenite ***,after solution treatment at 900℃ for 90 min,the strength-elongation product reached the highest value of 44.4 GPa%.As the austenite grain size increased,the intensity of//tensile direction fiber *** was accompanied by a decrease in dislocation density,resulting in a lower fraction of low-angle grain boundaries and a lower work hardening ***,the austenite grain size has a critical influence on the mechanical properties of the low-density *** grains lead to a lower yield strength due to the Hall-Petch effect and a lower tensile strength because of lower dislocation strengthening.

关键词： Austenitic low-density steel Solution treatment Grain size Mechanical property Deformed microstructure

Exposure of individuals aged 18-44 years to personal care products in Beijing,China:Exposure profiles,possible influencing factors,and risk assessment

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Journal of Environmental Sciences 2025年第2期148卷 691-701页

作者： Xu Zhang Linxue Han qi Sun xiaochen Wang xiaojian Hu xiao Lin Ying Zhu China CDC Key Laboratory of Environment and Population Health National Institute of Environmental HealthChinese Center for Disease Control and PreventionBeijing 100021China The Bureau for Health Inspection and Supervision of Haidian District Beijing 100037China

Personal care products(PCPs)are a class of emerging pollutants that have attracted public concern owing to their harmful effects on humans and the *** data is valuable for insight the levels of PCPs in the human body and can be crucial for identifying potential health *** gain a better understanding of timely exposure profiles and health risk of reproductive-age population to PCPs,we determined six parabens,six benzophenone-type ultraviolet filters,and three disinfectants in 256 urine samples collected from young adults aged 18-44 years in Beijing,*** urinary levels of benzophenone-3(BP-3)and 4-hydroxybenzophenone(4-OHBP)were significantly higher in summer compared to winter,suggesting these compounds have different seasonal usage ***,the total concentration of 15 PCPs in female was 430 ng/mL,approximately two times higher than that in male.P-chloro-m-xylenol(PCMX),as a new type of antibacterial agent,has the greatest level among all target analytes,indicating the increasingly use of this antibacterial alternative *** potential influencing factors that lead to the elevated exposure level of PCPs were *** 19%of the target population had a high hazard index value(greater than 1)which was attributed to exposure to propyl paraben(PrP),benzophenone-1(BP-1),BP-3 and PCMX,indicating that PCPs may pose a relatively high exposure risk at environmental levels that should be a cause for concern.

关键词： Personal care products Hazard quotient Risk assessment Exposure patterns Urine

Microstructure characteristics and corrosion behavior of metal inert gas welded dissimilar joints of 6005A modified by Sc and 5083 alloys

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Transactions of Nonferrous Metals Society of China 2025年第1期35卷 60-76页

作者： Guo-fu XU liang LIU Ying DENG Yu ZENG Jun-chang CAO Lei TANG xiao-yan PENG Jia-qi DUAN Mei-chan liang qing-lin PAN School of Materials Science and Engineering Central South UniversityChangsha 410083China State Key Laboratory of Power Metallurgy Central South UniversityChangsha 410083China Baoshan Iron&Steel Co. Ltd.Shanghai 201900China Warwick Manufacturing Group The University of WarwickCoventryCV47ALUK Guangdong Weiye Aluminum Factory Group Co. Ltd.Foshan 528000China

The corrosion behavior and microstructure characteristics of metal inert gas(MIG)welded dissimilar joints of the 6005A alloy modified with Sc(designated as 6005A+Sc)and the 5083 alloy were investigated using corrosion tests and microscopy *** show that the dissimilar joints exhibit strong stress corrosion cracking(SCC)resistance,maintaining substantial strength during slow strain rate tensile ***,the heat-affected zone(HAZ)and base metal(BM)on the 6005A+Sc side show superior performance in terms of inter-granular corrosion(IGC)and exfoliation corrosion(EXCO)compared to the corresponding zones on the 5083 *** lower corrosion resistance of the 5083-BM and the 5083-HAZ can be attributed to the presence of numerous Al_(2)Mg_(3)phases and micro-scaled Al_(6)(Mn,Fe)intermetallics,mainly distributed along the rolling ***,the enhanced corrosion resistance of the 6005A+Sc-BM and the 6005A+Sc-HAZ can be attributed to the discontinuously distributed grain boundary precipitates(β-Mg_(2)Si),the smaller grain size,and the reduced corrosive current density.

关键词： metal inert gas welding dissimilar joint aluminum alloy corrosion,microstructure

Dissipation-free approach for realizing non-Hermitian dynamics in a superconducting circuit

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Science China(Physics,Mechanics & Astronomy) 2025年第3期68卷 74-91页

作者： Yi-Hao Kang Yang xiao Yu Wang qi-Ping Su Chui-Ping Yang School of Physics Hangzhou Normal UniversityHangzhou311121China Fujian Key Laboratory of Quantum Information and Quantum Optics Fuzhou UniversityFuzhou350108China Department of Physics Fuzhou UniversityFuzhou350108China

Non-Hermitian dynamics exhibits a wealth of surprising and potentially useful ***,it is typically realized by coupling a system with thermal reservoirs,which makes the system suffer from thermal fluctuations associated with the ***,we propose a dissipation-free approach to realize non-Hermitian dynamics using a superconducting circuit composed of two resonators and a superconducting *** non-Hermiticity arises in the dynamical matrix for the evolution of the two resonators in the Heisenberg picture,via a photon-number non-conserved *** energy spectrum of the non-Hermitian dynamical matrix can be retrieved by measuring the state of the two resonators,and a phase transition of the energy spectrum can be observed by varying the control *** the realization of the non-Hermitian dynamics,the dissipation of the system and the post-selection are not ***,the approach is implemented in a deterministic way,and the reservoir-induced noise is *** simulations indicate that the energy spectrum of the non-Hermitian dynamical matrix obtained via the measurement of the resonators is in accordance with the theoretical ***,we demonstrate the parity discrimination for the state of two four-level qudits as an application,exhibiting the potential of the non-Hermitian dynamics in the field of quantum *** work opens a new avenue for the realization of non-Hermitian dynamics and may have a significant implication in exploring the non-Hermitian phenomena.

关键词： non-Hermitian dynamics superconducting circuit non-Hermitian phase transition

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Interleukin-6 in epilepsy and its neuropsychiatric comorbidities: How to bridge the gap

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World Journal of Psychiatry 2025年第1期15卷 1-6页

作者： xiao-Man Chen Shuo Zhang Shi-qi Gao Michael Xu Department of Neurology Shengjing Hospital of China Medical UniversityShenyang 110004Liaoning ProvinceChina Department of Rehabilitation Affiliated Hospital of Liaoning University of Traditional Chinese MedicineShenyang 110004Liaoning ProvinceChina International Education School China Medical UniversityShenyang 110004Liaoning ProvinceChina

There is growing evidence that interleukin(IL)-6 plays an important role in neurological and psychiatric *** editorial comments on the study published in the recent issue of the World Journal of Psychiatry,which employed Mendelian randomization to identify a causal relationship between IL-6 receptor blockade and decreased epilepsy *** purpose of this editorial is to highlight the dual effects of IL-6 in epilepsy and its related neuropsychiatric ***-6 plays a critical role in the facilitation of epileptogenesis and maintenance of epileptic seizures and is implicated in neuroinflammatory proce-sses associated with ***,IL-6 significantly influences mood regulation and cognitive dysfunction in patients with epilepsy,highlighting its involvement in neuropsychiatric *** summary,IL-6 is not only a pivotal factor in the pathogenesis of epilepsy but also significantly contributes to the emergence of epilepsy-related neuropsychiatric *** resear-ch should prioritize elucidating the specific mechanisms by which IL-6 operates across different subtypes,stages and neuropsychiatric comorbidities of epilepsy,with the aim of developing more precise and effective ***,the potential of IL-6 as a biomarker for the early diagnosis and prognosis of epile-psy warrants further investigation.

关键词： Epilepsy Interleukin-6 Neuropsychiatric comorbidities Depression Tocilizu-mab Neuroinflammation Interleukin-6 receptor blockade

High toughness and strong electromagnetic shielding properties of PAM/PEG dual network hydrogels

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International Journal of Minerals,Metallurgy and Materials 2025年第3期32卷 747-755页

作者： Kunlan Diao Yuhuan Xu Jingyu Du Teng Zhou xiao Zhan Daohai Zhang xiaosi qi Shuhao qin School of Chemical Engineering Guizhou Minzu UniversityGuiyang 550025China College of Physics Guizhou UniversityGuiyang 550025China National Engineering Research Center for Compounding and Modification of Polymer Materials Guiyang 550014China

With the wide application of electromagnetic wave,a high performance electromagnetic shielding material is urgently needed to solve the harm caused by electromagnetic *** cross-linking strategy is adopted in this ***(PAM)was synthesized by in-situ polymerization of acrylamide(AM)*** obtained PAM was blended with polyethylene glycol(PEG)to prepare PAM/PEG hydrogels and form rigid support ***,the modified carbon nanotubes(S-CNTs)were incorpor-ated into sodium alginate(SA)and PAM/***,Na+was used to trigger SA self-assembly,which significantly improved the mechanical properties and electrical conductivity of the hydrogels,and prepared PAM/PEG/SA/S-CNTs-Na hydrogels with high tough-ness and strong electromagnetic interference(EMI)shielding efficiency(SE).The results showed that the compressive strength of PAM/PEG/SA/S-CNTs-Na hydrogel was 19.05 MPa,which was 7.69%higher than that of PAM/PEG hydrogel(17.69 MPa).More en-couraging,the average EMI SE of PAM/PEG/SA/S-CNTs-Na hydrogels at a thickness of only 3 mm and a CNTs content of 16.53wt%was 32.92 dB,which is 113.21%higher than that of PAM/PEG hydrogels(15.44 dB).

关键词： polyacrylamide polyethylene glycol sodium alginate carbon nanotubes electromagnetic shielding