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China Finance and Economic Review 2024年第2期13卷 112-128,F0003页

作者： Yao chen Research Institute for EcoCivilization CASS

Uncertainties are becoming more and more diverse around the world,and risks and impacts affecting the healthy development of cities are *** urban social resilience is not only a proactive countermeasure to growing external pressures and potential impacts,but also an important starting point for *** article analyzes the impact mechanisms of three important types of urban social networks-degree centrality(DC),closeness centrality(CC),and betweenness centrality(BC)-between residents,and organizations on the economic resilience of cities from the perspective of social *** summarizes the challenges faced in enhancing economic resilience under the social network perspective,including unbalanced resource allocation,sparse social contact networks,weak social bottom lines,lack of social trust,and insufficient innovation *** this basis,this article makes suggestions such as strengthening the construction of social networks,promoting urban economic restructuring to enhance the adaptability and innovation capabilities of cities,fostering diverse urban social networks,optimizing information dissemination mechanisms,strengthening the construction of urban social credit systems,and improving the social security system in order to fostering the resilience of through the perspective of social networks.

关键词： urban social networks economic resilience theoretical mechanisms policy recommendations

Application of machine learning in perovskite materials and devices:A review

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Journal of Energy Chemistry 2024年第7期94卷 254-272页

作者： Ming chen Zhenhua Yin Zhicheng Shan Xiaokai Zheng Lei Liu Zhonghua Dai Jun Zhang Shengzhong(Frank)Liu Zhuo Xu School of Electric Power Civil Engineering and ArchitectureCollege of Physics and Electronics EngineeringState Key Laboratory of Quantum Optics and Quantum Optics DevicesShanxiUniversityTaiyuan030006ShanxiChina Key Laboratory of Applied Surface and Colloid Chemistry National Ministry of EducationShanxi Engineering Lab for Advanced Energy TechnologySchool of Materials Science and EngineeringShaanxi Normal UniversityXi'an 710119ShaanxiChina State Key Laboratory of Catalysis Dalian National Laboratory for Clean EnergyDalian Institute of Chemical PhysicsChinese Academy of SciencesDalian 116023LiaoningChina

Metal-halide hybrid perovskite materials are excellent candidates for solar cells and photoelectric *** recent years,machine learning(ML)techniques have developed rapidly in many fields and provided ideas for material discovery and *** can be applied to discover new materials quickly and effectively,with significant savings in resources and time compared with traditional experiments and density functional theory(DFT)*** this review,we present the application of ML in per-ovskites and briefly review the recent works in the field of ML-assisted perovskite ***,the advantages of perovskites in solar cells and the merits of ML applied to perovskites are ***,the workflow of ML in perovskite design and some basic ML algorithms are ***,the applications of ML in predicting various properties of perovskite materials and devices are ***,we propose some prospects for the future development of this *** rapid devel-opment of ML technology will largely promote the process of materials science,and ML will become an increasingly popular method for predicting the target properties of materials and devices.

关键词： Machine learning Perovskite Materials design Bandgap engineering Stability Crystal structure

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益气化湿解毒汤辅助重组人干扰素α2b凝胶治疗慢性宫颈炎及对NKTs、IL-4的影响

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中华中医药学刊 2024年第3期42卷 74-76页

作者：陈彦邱冰李丽娟胡晓丹海口市中医医院海南海口570216

目的研究益气化湿解毒汤辅助重组人干扰素α2b凝胶治疗慢性宫颈炎的疗效及对患者自然杀伤T细胞(Natural killer T cells, NKTs)、白细胞介素-4(Interleukin-4,IL-4)的影响。方法将2020年1月—2022年1月104例在医院确诊为慢性宫颈炎患... 详细信息

目的研究益气化湿解毒汤辅助重组人干扰素α2b凝胶治疗慢性宫颈炎的疗效及对患者自然杀伤T细胞(Natural killer T cells, NKTs)、白细胞介素-4(Interleukin-4,IL-4)的影响。方法将2020年1月—2022年1月104例在医院确诊为慢性宫颈炎患者采用简单随机分为常规组(52例)和方剂组(52例)。常规组给予重组人干扰素α2b凝胶治疗,方剂组则在常规组基础上给予益气化湿解毒汤治疗,分析两组用药后的临床效果。结果方剂组总有效率为90.38%(47/52),高于常规组的75.00%(39/52)差异有统计学意义(P0.05);停药后3个月复发率为9.62%(5/52),低于常规组的23.08%(13/52),差异有统计学意义(P0.05)。方剂组治疗后NKTs高于常规组,IL-4、超氧化物歧化酶(Superoxide dismutase, SOD)、前列腺E2(Prostate E2,PGE2)低于常规组(P<0.05)。结论益气化湿解毒汤辅助重组人干扰素α2b凝胶治疗慢性宫颈炎可促进宫颈修复和阴道排液,调节NKTs、IL-4、SOD、PGE2的表达水平,安全性高,复发率低。

关键词：益气化湿解毒汤重组人干扰素α2b凝胶慢性宫颈炎安全性复发

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Analysis of Color and Artistic Conception in Painting Art

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Journal of Contemporary Educational Research 2024年第8期8卷 283-289页

作者： Guo chen York School Monterey 93940United States

The charm of painting,as a bright pearl in the treasure house of culture,lies in its visual language constructed through colors and lines,which conveys the artist’s unique perception of life and profound ***,as the most intuitive and expressive language in painting,is not only a simple reproduction of material colors but also a projection of the artist’s inner *** conception,as a core concept in traditional Chinese painting theory,refers to the emotional atmosphere and spiritual mood embedded in *** purpose of this paper is to discuss the interaction between color and mood in painting art,to analyze the techniques of using color in different painting styles and their influence on the creation of mood,and to provide new perspectives and methods for the creation of paintings.

关键词： Painting art Color Mood

Analysis of the Effect of Laparoscopic Versus Open Cholecystectomy in Patients with Cholelithiasis and the Effect on CRP and IL-1βLevels

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Journal of Clinical and Nursing Research 2024年第7期8卷 161-166页

作者： Hui chen Taoyuan Town Health Hospital Suining CountyXuzhou 221211Jiangsu ProvinceChina

Objective:To evaluate the therapeutic effect of laparoscopic cholecystectomy(LC)and open cholecystectomy(OC)on ***:92 cases of cholelithiasis patients admitted to the hospital in the past 2 years were selected and grouped by random number table;the observation group was treated with LC;the reference group was treated with OC,and the inflammatory factor and other indexes were ***:The total effective rate of the observation group was higher than that of the reference group,and the perioperative indexes were better than that of the reference group(P0.05).At 5 days postoperatively,the CRP and IL-1βlevels of the observation group were lower than those of the reference group,and the immune function indicators were higher than those of the reference group(P<0.05).The complication rate of the observation group was lower than that of the reference group(P<0.05).Conclusion:LC can increase the effective rate of cholelithiasis patients,improve their perioperative indexes,reduce the inflammatory response,protect patients’immune function,and ensure higher surgical safety.

关键词： Laparoscopic cholecystectomy Open cholecystectomy Cholelithiasis CRP IL-1β

The Effectiveness of Peer Feedback on Second Language Writing

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Journal of Contemporary Educational Research 2024年第2期8卷 68-79页

作者： Yijun chen Beijing Technology and Business University Beijing 100142China

Peer feedback is a widely utilized practice in writing classrooms for second languages(L2)that has drawn a lot of *** some support the practice because of the clear advantages that peer feedback offers students,others doubt its *** various forms of feedback is therefore necessary,as is determining the effects that peer feedback has on students and the variables that might affect how successful peer feedback *** paper focuses on the usefulness of peer feedback for L2 writing,based on a review of studies on the *** findings imply that the functions of peer and teacher feedback are distinct,and that peer feedback is advantageous to both parties,particularly to the *** attitudes and cultural backgrounds of the students are among the other factors that affect how effective peer feedback ***,some implications for future research and education are presented.

关键词： Peer feedback Quality Benefits Providers Receivers Perceptions Training

Two positive effects with one arrow:Modulating crystal and interfacial decoration towards high-potential cathode material

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Journal of Energy Chemistry 2024年第5期92卷 216-223页

作者： Xuexiu Gu Xuan-Wen Gao Dongrun Yang Qinfen Gu YSong Hong chen Tianzhen Ren Wen-Bin Luo Institute for Energy Electrochemistry and Urban Mines Metallurgy School of MetallurgyNortheastern UniversityShenyang 110819LiaoningChina Australian Synchrotron(ANSTO) 800 Blackburn RdClaytonVictoria 3168Australia School of Science and Engineering University of DundeeNethergateDundee DD14HNScotlandUK

As the primary suppliers of cyclable sodium ions,O3-type layer-structured manganese-based oxides are recognized as highly competitive cathode candidates for sodium-ion *** advance the development of high-energy sodium-ion batteries,it is crucial to explore cathode materials operating at high voltages while maintaining a stable cycling *** orbital and electronic structure of the octahedral center metal element plays a crucial role in maintaining the octahedra structural integrity and improving Na^(+)ion diffusion by introducing heterogeneous chemical *** by the abundant configuration of extra nuclear electrons and large ion radius,we employed trace amounts of tungsten in this *** obtained cathode material can promote the reversibility of oxygen redox reactions in the high-voltage region and inhibit the loss of lattice ***,the formation of a Na_(2)WO_(4) coating on the material surface can improve the interfacial stability and interface ions *** demonstrates an initial Coulombic efficiency(ICE)of 94.6%along with 168.5 mA h g^(-1 )discharge capacity within the voltage range of 1.9-4.35 *** findings contribute to the advancement of high-energy sodium-ion batteries by providing insights into the benefits of tungsten doping and Na_(2)WO_(4) coating on cathode materials.

关键词： Sodium ion battery Layer-structured manganese-based oxides Cathodematerial Surface modification Elements doping

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轴扭耦合冲击器结构设计与室内试验

石油钻探技术 2024年第1期52卷 78-83页

作者：陈东方全兵肖新启张光宇陈志华中石化江钻石油机械有限公司湖北武汉430223

为提高PDC钻头切削齿在硬地层中的吃入深度、消除扭转振动带来的危害,在自激换向式扭冲总成结构的基础上,增设水力脉冲式轴冲总成,利用扭冲总成拨叉带动轴冲总成动盘阀同步旋转,使过流面积发生周期性变化,产生水力脉冲轴冲载荷,与扭冲... 详细信息

为提高PDC钻头切削齿在硬地层中的吃入深度、消除扭转振动带来的危害,在自激换向式扭冲总成结构的基础上,增设水力脉冲式轴冲总成,利用扭冲总成拨叉带动轴冲总成动盘阀同步旋转,使过流面积发生周期性变化,产生水力脉冲轴冲载荷,与扭冲载荷一起形成轴扭耦合冲击,设计出一种结构简单、冲击频率相同的新型轴扭耦合冲击器。同时,基于能量转换与守恒定律,建立了冲击器性能参数数学模型,并开展了轴扭耦合冲击器性能参数室内试验。试验结果表明,该轴扭耦合冲击器的压降、轴冲载荷与流量平方呈正比,扭冲载荷、冲击频率与流量呈线性增大关系,最大相对误差仅7.91%,验证了该数学模型的准确性。研究结果可为同类冲击钻井工具的开发提供理论指导。

关键词：轴扭耦合冲击器结构设计实验室试验性能参数数学模型

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Construction of the underlying circRNA-miRNA-mRNA regulatory network and a new diagnostic model in ulcerative colitis by bioinformatics analysis

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World Journal of Clinical Cases 2024年第9期12卷 1606-1621页

作者： Yu-Yi Yuan Hui Wu Qian-Yun chen Heng Fan Bo Shuai Department of Integrated Traditional Chinese and Western Medicine Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan 430022Hubei ProvinceChina

BACKGROUND Circular RNAs(circRNAs)are involved in the pathogenesis of many diseases through competing endogenous RNA(ceRNA)regulatory *** To investigate a circRNA-related ceRNA regulatory network and a new predictive model by circRNA to understand the diagnostic mechanism of circRNAs in ulcerative colitis(UC).METHODS We obtained gene expression profiles of circRNAs,miRNAs,and mRNAs in UC from the Gene Expression Omnibus *** circRNA-miRNA-mRNA network was constructed based on circRNA-miRNA and miRNA-mRNA *** enrichment analysis was performed to identify the biological mechanisms involved in *** identified the most relevant differential circRNAs for diagnosing UC and constructed a new predictive nomogram,whose efficacy was tested with the C-index,receiver operating characteristic curve(ROC),and decision curve analysis(DCA).RESULTS A circRNA-miRNA-mRNA regulatory network was obtained,containing 12 circRNAs,three miRNAs,and 38 *** optimal prognostic-related differentially expressed circRNAs,hsa_circ_0085323 and hsa_circ_0036906,were included to construct a predictive *** model showed good discrimination,with a C-index of 1(>0.9,high accuracy).ROC and DCA suggested that the nomogram had a beneficial diagnostic *** This novel predictive nomogram incorporating hsa_circ_0085323 and hsa_circ_0036906 can be conveniently used to predict the risk of *** circRNa-miRNA-mRNA network in UC could be more clinically significant.

关键词： Circular RNAs RNA regulatory network Ulcerative colitis New predictive model Bioinformatics Diagnose

An externally perceivable smart leaky-wave antenna based on spoof surface plasmon polaritons

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Opto-Electronic Advances 2024年第9期7卷 5-20页

作者： Weihan Li Jia chen Shizhao Gao Lingyun Niu Jiaxuan Wei Ruosong Sun Yaqi Wei Wenxuan Tang Tie Jun Cui State Key Laboratory of Millimeter Waves Southeast UniversityNanjing 210096China Institute of Electromagnetic Space Southeast UniversityNanjing 210096China

Smart antennas have received great attention for their potentials to enable communication and perception functions at the same ***,realizing the function synthesis remains an open challenge,and most existing system solutions are limited to narrow operating bands and high complexity and ***,we propose an externally perceivable leakywave antenna(LWA)based on spoof surface plasmon polaritons(SSPPs),which can realize adaptive real-time switching between the“radiating”and“non-radiating”states and beam tracking at different *** the assistance of computer vision,the smart SSPP-LWA is able to detect the external target user or jammer,and intelligently track the target by self-adjusting the operating *** proposed scheme helps to reduce the power consumption through dynamically controlling the radiating state of the antenna,and improve spectrum utilization and avoid spectrum conflicts through intelligently deciding the radiating *** the other hand,it is also helpful for the physical layer communication security through switching the antenna working state according to the presence of the target and target beam tracking in real *** addition,the proposed smart antenna can be generalized to other metamaterial systems and could be a candidate for synaesthesia integration in future smart antenna systems.

关键词： smart antenna external perception spoof surface plasmon polaritons computer vision aids