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Nano storage-boxes constructed by the vertical growth of MoS_(2 )on graphene for high-performance Li-S batteries

Journal of Energy Chemistry 2022年第3期31卷 91-99,I0004页

作者： Bowen Cui xiaomin cai Wenqiang Wang Petr Saha Gengchao Wang Shanghai Key Laboratory of Advanced Polymeric Materials Shanghai Engineering Research Center of Hierarchical NanomaterialsSchool of Materials Science and EngineeringEast China University of Science and TechnologyShanghai 200237China Centre of Polymer Systems University InstituteTomas Bata UniversityTř.T.Bati 5678Zlin 76001ZlínCzech Republic

In order to accelerate the reaction kinetics of lithium-sulfur batteries, the introduction of electro catalysis and proper structural control of the sulfur cathode is urgently needed. MoS_(2) nano sheets was selectively grown vertically (V-MoS_(2)) on the microwave-reduced graphene (rGO) sheets through chemical coupling to construct a self-supporting sulfur cathode with a nano storage-box structure (V-MoS_(2) as the wall and rGO as the bottom). RGO, which has a high conductivity of 37 S cm^(−1), greatly accelerates the transfer of electrons from the active sites on the edge of the layer to the solution. The introduction of carbon tubes can connect the abundant pores in the foam and act as a long-range conductive path. The 2D-orthogonal-2D structure maximally exposes the edge active sites of MoS_(2), and together with graphene form a nano reactor of sulfur, intermediate lithium polysulfides and discharge product Li_(2)S(2). The effective combination of the microstructure confinement of the nano storage-boxes and the efficient synchronous catalytic mechanism of V-MoS_(2) greatly improves the electrochemical performance of the lithium-sulfur batteries. As a result, the assembled lithium-sulfur battery displays a high initial discharge capacity of 1379 mAh g^(−1), good cycle stability (86% capacity retention after 500 cycles at 0.1C) and superior rate performance.

关键词： Edge-rich MoS_(2) Nano boxes Catalytic conversion Lithium-sulfur batteries

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城市隧道设施年度养护经费精细化测算研究

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交通与港航 2024年第S1期11卷 14-16页

作者：蔡晓敏上海市道路运输事业发展中心

《交通强国建设纲要》中提出要通过加强资金保障、加强实施管理等举措来健全设施建设运营支持政策体系、保障推进现代化强国建设。以城市隧道年度养护经费测算为研究背景,通过排摸现场设施设备、调查养护管理过程中人材机的投入情况,结... 详细信息

《交通强国建设纲要》中提出要通过加强资金保障、加强实施管理等举措来健全设施建设运营支持政策体系、保障推进现代化强国建设。以城市隧道年度养护经费测算为研究背景,通过排摸现场设施设备、调查养护管理过程中人材机的投入情况,结合各类养护规范及相关定额文件等,采用精细化管理理念与方法对年度养护经费精细化测算前应建立的相关体系、基础清单进行研究,为加强预算编制实施、提高城市基础交通设施管理水平提供一定帮助。

关键词：城市道路隧道设施养护经费测算

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智慧化系统的城市道路设施管理与对策分析

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市政设施管理 2024年第2期 1-3页

作者：蔡晓敏上海市道路运输事业发展中心

城市基础交通设施是城市运维的重要组成部分。在人民出行需求日益递增、城市交通复杂度不断上升和智能交通飞速发展的当下,道路设施管理行业近年来在智慧化、信息化进程中不断探索前行。现就道路设施养护运维管理在向智慧化、信息化模... 详细信息

城市基础交通设施是城市运维的重要组成部分。在人民出行需求日益递增、城市交通复杂度不断上升和智能交通飞速发展的当下,道路设施管理行业近年来在智慧化、信息化进程中不断探索前行。现就道路设施养护运维管理在向智慧化、信息化模式转型过程中遇到的问题进行分析,并基于现状对优化方案提出一些合理的见解。

关键词：城市道路设施管理养护运维智慧化

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复方四黄液湿敷联合刺络放血治疗痛风性溃疡的临床效果观察

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中外医药研究 2024年第6期3卷 81-83页

作者：蔡小敏黄金梅李文华中山市中医院内分泌科广东中山528400

目的:观察复方四黄液湿敷联合刺络放血治疗痛风性溃疡的临床效果。方法:选取2022年3月—2023年3月中山市中医院内分泌科收治的痛风性溃疡患者100例作为研究对象,随机分为观察组和对照组,各50例。对照组给予复方四黄液湿敷治疗,观察组在... 详细信息

目的:观察复方四黄液湿敷联合刺络放血治疗痛风性溃疡的临床效果。方法:选取2022年3月—2023年3月中山市中医院内分泌科收治的痛风性溃疡患者100例作为研究对象,随机分为观察组和对照组,各50例。对照组给予复方四黄液湿敷治疗,观察组在对照组基础上给予刺络放血治疗,比较两组治疗效果、炎性因子水平及中医症状积分。结果:观察组总有效率高于对照组,差异有统计学意义(P=0.008);治疗后,两组C反应蛋白、白细胞介素-6水平低于治疗前,且观察组低于对照组,差异有统计学意义(P<0.05);治疗后,两组中医症状积分低于治疗前,且观察组低于对照组,差异有统计学意义(P<0.001)。结论:复方四黄液湿敷联合刺络放血治疗痛风性溃疡疗效良好,可减轻炎性反应,缓解临床症状。

关键词：痛风性溃疡复方四黄液刺络放血

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Co_(3)O_(4)as an efficient passive NO_(x) adsorber for emission control during cold-start of diesel engines

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Chinese Journal of Chemical Engineering 2024年第2期66卷 1-7页

作者： Jinhuang cai Shijie Hao Yun Zhang xiaomin Wu Zhenguo Li Huawang Zhao Department of Environmental Science&Engineering College of Chemical EngineeringHuaqiao UniversityXiamen 361021China Wuxi Weifu Environmental Catalysts Co. LtdWuxi 214000China National Engineering Laboratory for Mobile Source Emission Control Technology China Automotive Technology&Research Center Co.Ltd.Tianjin 300300China

The Co_(3)O_(4)nanoparticles,dominated by a catalytically active(110)lattice plane,were synthesized as a low-temperature NO_(x) adsorbent to control the cold start emissions from vehicles.These nanoparticles boast a substantial quantity of active chemisorbed oxygen and lattice oxygen,which exhibited a NO_(x) uptake capacity commensurate with Pd/SSZ-13 at 100℃.The primary NO_(x) release temperature falls within a temperature range of 200-350℃,making it perfectly suitable for diesel engines.The characterization results demonstrate that chemisorbed oxygen facilitate nitro/nitrites intermediates formation,contributing to the NO_(x) storage at 100℃,while the nitrites begin to decompose within the 150-200℃range.Fortunately,lattice oxygen likely becomes involved in the activation of nitrites into more stable nitrate within this particular temperature range.The concurrent processes of nitrites decomposition and its conversion to nitrates results in a minimal NO_(x) release between the temperatures of 150-200℃.The nitrate formed via lattice oxygen mainly induces the NO_(x) to be released as NO_(2) within a temperature range of 200-350℃,which is advantageous in enhancing the NO_(x) activity of downstream NH_(3)-SCR catalysts,by boosting the fast SCR reaction pathway.Thanks to its low cost,considerable NO_(x) absorption capacity,and optimal release temperature,Co_(3)O_(4)demonstrates potential as an effective material for passive NO_(x) adsorber applications.

关键词： Emission control Cold-start Low-temperature adsorption Co_(3)O_(4) Nitrate formation

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基于恒功率控制策略的BWPT系统研究

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电子设计工程 2024年第14期32卷 40-44,49页

作者：景妍妍陶冉蔡晓敏蒋一叶房家璇扬州大学电气与能源动力工程学院江苏扬州225147 南京邮电大学通达学院电气工程学院江苏扬州225127

针对双向无线电能传输系统的控制策略较复杂,需要综合考虑能量流动大小和流动方向的问题,采用二端口网络理论对基于双边LCC补偿网络的双向无线电能传输系统进行数学建模,得到系统有功功率和无功功率的传输特性,进而提出采用有功功率大... 详细信息

针对双向无线电能传输系统的控制策略较复杂,需要综合考虑能量流动大小和流动方向的问题,采用二端口网络理论对基于双边LCC补偿网络的双向无线电能传输系统进行数学建模,得到系统有功功率和无功功率的传输特性,进而提出采用有功功率大小与极性分别控制能量流动大小与方向的控制策略,通过Matlab/Simulink软件进行仿真验证。所提控制策略无需切换模式,便可实现能量的双向流动,且保证较高的传输效率,为无线电能传输技术应用于车网互联系统中提供有益指导。

关键词：双向无线电能传输双边LCC补偿控制策略车网互联

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A Brief Review on the Mechanisms of miRNA Regulation

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Genomics, Proteomics & Bioinformatics 2009年第4期7卷 147-154页

作者： Yimei cai xiaomin Yu Songnian Hu Jun Yu Key Laboratory of Genome Sciences and Information Beijing Institute of Genomics Chinese Academy of Sciences Beijing 100029 China.

MicroRNAs （miRNAs） are a class of short, endogenously-initiated non-coding RNAs that post-transcriptionally control gene expression via either translational repression or mRNA degradation. It is becoming evident that miRNAs are playing significant roles in regulatory mechanisms operating in various organisms, including developmental timing and host-pathogen interactions as well as cell differentiation, proliferation, apoptosis and tumorigenesis. Likewise, as a regulatory element, miRNA itself is coordinatively modulated by multifarious effectors when carrying out basic functions, such as SNP, miRNA editing, methylation and circadian clock. This mini-review summarized the current understanding of interactions between miRNAs and their targets, including recent advancements in deciphering the regulatory mechanisms that control the biogenesis and functionality of miRNAs in various cellular processes.

关键词： non-coding RNA miRNA miRNA regulation targets

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Digital twin modeling and controlling of optical power evolution enabling autonomous-driving optical networks:a Bayesian approach

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Advanced Photonics 2024年第2期6卷 69-80页

作者： xiaomin Liu Yihao Zhang Yuli Chen Yichen Liu Meng cai Qizhi Qiu Mengfan Fu Lilin Yi Weisheng Hu Qunbi Zhuge Shanghai Jiao Tong University State Key Laboratory of Advanced Optical Communication Systems and NetworksDepartment of Electronic EngineeringShanghaiChina

Optical networks are evolving toward ultrawide bandwidth and autonomous operation.In this scenario,it is crucial to accurately model and control optical power evolutions(OPEs)through optical amplifiers(OAs),as they directly affect the signal-to-noise ratio and fiber nonlinearities.However,a fundamental contradiction arises between the complex physical phenomena in optical transmission and the required precision in network control.Traditional theoretical methods underperform due to ideal assumptions,while data-driven approaches entail exorbitant costs associated with acquiring massive amounts of data to achieve the desired level of accuracy.In this work,we propose a Bayesian inference framework(BIF)to construct the digital twin of OAs and control OPE in a data-efficient manner.Only the informative data are collected to balance the exploration and exploitation of the data space,thus enabling efficient autonomous-driving optical networks(ADONs).Simulations and experiments demonstrate that the BIF can reduce the data size for modeling erbium-doped fiber amplifiers by 80%and Raman amplifiers by 60%.Within 30 iterations,the optimal controlling performance can be achieved to realize target signal/gain profiles in links with different types of OAs.The results show that the BIF paves the way to accurately model and control OPE for future ADONs.

关键词： optical fiber communications digital twin Bayesian inference optical amplifiers autonomous-driving optical networks

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CircMYBL2 facilitates hepatocellular carcinoma progression by regulating E2F1 expression

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Oncology Research 2024年第6期32卷 1129-1139页

作者： JUNZHE YI BINBIN LI xiaomin YIN LINGRUI LIU caiLU SONG YING ZHAO MANBO cai HAILIN TANG DONG CHEN NING LYU State Key Laboratory of Oncology in South China Guangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhou510060China Department of Medical Oncology The Third People’s Hospital of YongzhouYongzhou425000China Department of Radiotherapy The First Affiliated HospitalHengyang Medical SchoolUniversity of South ChinaHengyang421001China Center of Hepato-Pancreato-Biliary Surgery The First Affiliated HospitalSun Yat-sen UniversityGuangzhou510080China

Circular RNAs(circRNAs)have been recognized as pivotal regulators in tumorigenesis,yet the biological functions as well as molecular mechanisms of the majority of circRNAs in hepatocellular carcinoma(HCC)remain elusive.We sought to unveil the expression profile and biological role of circMYBL2 in HCC.Initial microarray analyses were conducted to probe the expression profile of circMYBL2 in HCC cells,and qRT‒PCR analysis was then performed in HCC cell lines and tissues,revealing significant upregulation of circMYBL2.Subsequent experiments were conducted to evaluate the biological function of circMYBL2 in HCC progression.Furthermore,bioinformatics analysis,qRT‒PCR analysis,luciferase reporter assays,and western blot analysis were employed to investigate the interplay among circMYBL2,miR-1205,and E2F1.CircMYBL2 was found to exhibit marked upregulation in tumor tissues as well as HCC cell lines.Elevated expression of circMYBL2 increased the proliferation and migration of HCC cells,whereas circMYBL2 knockdown elicited contrasting effects.Mechanistically,our results indicated that circMYBL2 promoted E2F1 expression and facilitated HCC progression by sponging miR-1205.Our findings revealed that circMYBL2 contributed to HCC progression through the circMYBL2/miR-1205/E2F1 axis,suggesting the potential of circMYBL2 as a novel target for HCC treatment or a prognostic biomarker for HCC.

关键词： Circular RNAs circMYBL2 miR-1205 E2F1 Hepatocellular carcinoma

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改进雷达安装结构在膏体智能充填的应用

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机械管理开发 2023年第3期38卷 98-100页

作者：蔡晓敏成超南京邮电大学通达学院江苏扬州225000 扬州环锐科技有限公司江苏扬州225000

根据膏体充填智能控制的工艺要求,采用雷达物位计控制充填的自动停止,主要研究雷达物位计的安装结构和膏体充填物位增长方式,建立待充填量测算数据模型,根据物位距离在线动态估算剩余充填方量,从而保证准确充填,防止堵管。

关键词：膏体充填雷达物位计智能控制

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