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Modulating of MoSe_(2)functional plane via doping-defect engineering strategy for the development of conductive and electrocatalytic mediators in Li-S batteries

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Journal of Energy Chemistry 2022年第12期75卷 512-523,I0013页

作者： Mohammed A.Al-Tahan Yutao Dong Aml E.Shrshr Xiyang Kang Hui Guan Yumiao Han Zihao Cheng Weihua Chen jianmin zhang College of Chemistry Zhengzhou UniversityZhengzhou 450001HenanChina College of Science Henan Agricultural UniversityZhengzhou 450002HenanChina Chemistry Department Faculty of ScienceAl-Azhar UniversityAssiut 71524Egypt

The lithium polysulfide shuttle and sluggish sulfur reaction kinetics still pose significant challenges to lithium-sulfur(Li-S)*** functional plane of Fe-MoSe_(2)@r GO nanohybrid with abundant defects has been designed and applied in Li-S batteries to develop the functional separator and multi-layer sulfur *** cell with a functional separator exhibits a retention capacity of 462 m Ah g^(-1)after the 1000th at 0.5 C and 516 m Ah g^(-1)after the 600th at 0.3 *** at low electrolyte conditions(7.0μL_(mgsulfur)^(-1)and 15μL_(mgsulfur)^(-1))under high sulfur loadings(3.46 mg cm^(-2)and 3.73 mg cm^(-2)),the cell still presents high reversible discharge capacities 679 and 762 m Ah g^(-1)after 70 cycles,***,at sulfur loadings up to 8.26 and 5.2 mg cm^(-2),the cells assembled with the bi-layers sulfur cathode and the tri-layers sulfur cathode give reversible capacities of 3.3 m Ah cm^(-2)after the 100th cycle and 3.0 m Ah cm^(-2)after the 120th cycle,*** research not only demonstrates that the FeMoSe_(2)@r GO functional plane is successfully designed and applied in Li-S batteries with superior electrochemical performances but also paves the novel way for developing a unique multi-layer cathode technique to enhance and advance the electrochemical behavior of Li-S cells at a high-sulfur-loading cathode under lean electrolyte/sulfur(E/S)ratio.

关键词： Lithium-sulfur batteries Modified separator Fe-MoSe_(2)@rGO Multi-layers cathode Defect engineering

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基于PubMed数据库的临床药学工作切入点的文献计量分析

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中国医院用药评价与分析 2024年第4期24卷 506-509页

作者：程海新马子寅刘碧晴钟旭丽张建民首都儿科研究所附属儿童医院药学部北京100020 首都医科大学科技处北京100069

目的:基于文献可视化分析,探讨临床药学研究的发展趋势。方法:利用BICOMB 2.0和VOSviewer 1.6.16软件,对PubMed数据库自建库起至2023年4月7日发表的临床药学相关文献进行提取统计和可视化分析。结果:最终纳入文献4 609篇,其中我国学者... 详细信息

目的:基于文献可视化分析,探讨临床药学研究的发展趋势。方法:利用BICOMB 2.0和VOSviewer 1.6.16软件,对PubMed数据库自建库起至2023年4月7日发表的临床药学相关文献进行提取统计和可视化分析。结果:最终纳入文献4 609篇,其中我国学者发文量为174篇。我国学者总体发文量呈递增趋势;发文量较多的机构包括中国药科大学、浙江大学医学院附属第一医院、北京大学医学部、上海交通大学医学院附属仁济医院以及首都医科大学附属北京朝阳医院。国内临床药学研究热点问题较单一,涉及医院药学服务、成年人的用药管理和回顾性研究等领域。结论:临床药学在我国起步晚但发展迅速,发展前景广阔。

关键词：临床药学 PubMed数据库文献计量学可视化分析热点与前沿

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西北盐碱地养虾塘接种微藻后藻类种群结构及水质变化

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甘肃农业大学学报 2024年第3期59卷 17-30页

作者：赵治钦卢军浩刘哲宋国林权金强王建福付廷斌张建敏甘肃农业大学动物科学技术学院甘肃兰州730070 景泰县渔业技术推广中心甘肃景泰730400 中国水产科学研究院东海水产研究所上海200000

【目的】掌握西北盐碱地凡纳滨对虾(Litopenaeus vannamei)养殖池塘微藻群落的变化规律,探究接种湖生卵囊藻(Oocystis Lacustris)和普通小球藻(Chlorella vulgaris)对池塘藻相和水质的影响。【方法】选取3口凡纳滨对虾养殖池塘,对照组... 详细信息

【目的】掌握西北盐碱地凡纳滨对虾(Litopenaeus vannamei)养殖池塘微藻群落的变化规律,探究接种湖生卵囊藻(Oocystis Lacustris)和普通小球藻(Chlorella vulgaris)对池塘藻相和水质的影响。【方法】选取3口凡纳滨对虾养殖池塘,对照组不接种藻类,处理A、B组根据池塘水体体积按2 mg/L的质量浓度分别接种湖生卵囊藻和普通小球藻。3口池塘除接种藻外其他管理均一致,每5 d每口池塘取3个水样做微藻定量、多性样分析、群落结构分析以及水质理化因子与微藻群落结构相关性分析等。【结果】在养殖周期内,对照组蓝藻暴发,蓝藻生物量最高值达到58.77 mg/L,而处理A、B蓝藻生物量均在11.13 mg/L以下,并在后期形成了稳定的绿藻藻相。对照组和处理A、B的Shannon Wiener多样性指数均值依次为:3.89、4.66和4.02,Pielou均匀度指数均值依次为:0.69、0.83和0.72。结合变化趋势分析:处理组微藻多样性优于对照组,且处理A优于处理B。群落结构的多元统计分析和一致性分析表明,处理组微藻群落的稳定性优于对照组,且处理B与对照组之间群落结构差异显著(P<0.05)。BIOENV (Biota-Environment)分析结果显示,单因子中,解释微藻群落结构变化最好的环境因子为透明度(r_(m)=0.893);多因子组合中NH_(4)^(+)-N、NO_(2)^(-)-N和透明度组合最佳解释了微藻群落结构的变化(r_(m)=0.893)。养殖末期产量分析显示,对照组蓝藻暴发后,对虾成活率和产量明显下降,蓝藻对养殖造成了不可逆的严重损失。【结论】在西北盐碱地凡纳滨对虾养殖池塘中,接种湖生卵囊藻和普通小球藻后避免了蓝藻暴发,降低了养殖风险。相对于湖生卵囊藻,普通小球藻体现出更好地抑制蓝藻的作用且接种后对藻相影响大于接种湖生卵囊藻,而接种湖生卵囊藻后藻相多样性较好。

关键词：西北盐碱地凡纳滨对虾湖生卵囊藻普通小球藻微藻类种群结构水质

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Temporal dynamics of microglia-astrocyte interaction in neuroprotective glial scar formation after intracerebral hemorrhage

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药物分析学报:英文版 2023年第8期13卷 862-879页

作者： Jingwei Zheng Haijian Wu Xiaoyu Wang Guoqiang zhang Jia'nan Lu Weilin Xu Shenbin Xu Yuanjian Fang Anke zhang Anwen Shao Sheng Chen Zhen Zhao jianmin zhang Jun Yu Department of Neurosurgery Second Affiliated HospitalSchool of MedicineZhejiang UniversityHangzhou310000China Key Laboratory of Precise Treatment and Clinical Translational Research of Neurological Diseases Hangzhou310000China Stroke Research Center for Diagnostic and Therapeutic Technologies of Zhejiang Province Hangzhou310000China Center for Neurodegeneration and Regeneration Zilkha Neurogenetic Institute and Department of Physiology and BiophysicsKeck School of MedicineUniversity of Southern CaliforniaLos AngelesCA90089USA

The role of glial scar after intracerebral hemorrhage(ICH)remains *** study aimed to investigate whether microglia-astrocyte interaction affects glial scar formation and explore the specific function of glial *** used a pharmacologic approach to induce microglial depletion during different ICH stages and examine how ablating microglia affects astrocytic scar *** transcriptomics(ST)analysis was performed to explore the potential ligand-receptor pair in the modulation of microglia-astrocyte interaction and to verify the functional changes of astrocytic scars at different *** the early stage,sustained microglial depletion induced disorganized astrocytic scar,enhanced neutrophil infiltration,and impaired tissue *** analysis indicated that microglia-derived insulin like growth factor 1(IGF1)modulated astrocytic scar formation via mechanistic target of rapamycin(mTOR)signaling ***,repopulating microglia(RM)more strongly activated mTOR signaling,facilitating a more protective scar *** combination of IGF1 and osteopontin(OPN)was necessary and sufficient for RM function,rather than IGF1 or OPN *** the chronic stage of ICH,the overall net effect of astrocytic scar changed from protective to destructive and delayed microglial depletion could partly reverse *** vital insight gleaned from our data is that sustained microglial depletion may not be a reasonable treatment strategy for early-stage ***,early-stage IGF1/OPN treatment combined with late-stage PLX3397 treatment is a promising therapeutic *** prompts us to consider the complex temporal dynamics and overall net effect of microglia and astrocytes,and develop elaborate treatment strategies at precise time points after ICH.

关键词： Microglia Astrocytes Glial scar Intracerebral hemorrhage

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An Parallel FPGA SAT Solver Based on Multi-Thread and Pipeline

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Chinese Journal of Electronics 2021年第6期30卷 1008-1016页

作者： LI Tiejun MA Kefan zhang jianmin College of Computer National University of Defense Technology

The Boolean Satisfiability(SAT) problem is the key problem in computer theory and application. A parallel multi-thread SAT solver named pprob SAT+ on a configurable hardware is proposed. In the algorithm,multithreads are executed simultaneously to hide the circuit stagnate. In order to improve the working frequency and throughput of the SAT solver, the deep pipeline strategy is adopted. When all data stored in block random access memory of the field programmable gate array, the solver can achieve maximum performance. If partial data are stored in the external memory, the size of the problem instances the SAT solver can be greatly improved. The experimental results show that the speedup of three-thread SAT solver is approximately 2.4 times with single thread,and shows that the pprob SAT+ have achieved substantial improvement while a solution is found.

关键词： Logic circuits Memory circuits Logic and switching circuits Semiconductor storage FPGA Incomplete algorithm Multi-thread Pipeline

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Translational medicine in China

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Science China(Life Sciences) 2012年第9期55卷 834-836页

作者： zhang jianmin State Key Laboratory of Medical Molecular Biology Department of Immunology Institute of Basic Medical SciencesPeking Union Medical CollegeChinese Academy of Medical SciencesBeijing 100005China

Translational medicine has recently experienced an upsurge in interest and funding worldwide. Many translational research programs, centers and institutes have been rapidly established. In this short comment, we provi... 详细信息

关键词：医学转化中国研究机构

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A simplified method for analyzing the fundamental frequency of monopile supported offshore wind turbine system design

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Earthquake Engineering and Engineering Vibration 2018年第4期17卷 893-901页

作者： Yang Chunbao Wang Rui zhang jianmin School of Civil Engineering/State Key Laboratory of Hydroscience and Engineering Department of Hydraulic Engineering Tsinghua University

Preliminary design of offshore wind turbines requires high precision simplified methods for the analysis of the system fundamental frequency. Based on the Rayleigh method and Lagrange’s Equation, this study establishes a simple formula for the analysis of system fundamental frequency in the preliminary design of an offshore wind turbine with a monopile foundation. This method takes into consideration the variation of cross-section geometry of the wind turbine tower along its length, with the inertia moment and distributed mass both changing with diameter. Also the rotational flexibility of the monopile foundation is mainly considered. The rigid pile and elastic middle long pile are calculated separately. The method is validated against both FEM analysis cases and field measurements, showing good agreement. The method is then used in a parametric study, showing that the tower length Lt, tower base diameter d0, tower wall thickness δt, pile diameter db and pile length Lb are the major factors influencing the fundamental frequency of the offshore wind turbine system. In the design of offshore wind turbine systems, these five parameters should be adjusted comprehensively. The seabed soil condition also needs to be carefully considered for soft clay and loose sand.

关键词： offshore wind turbine system fundamental frequency analytical method rotational foundation flexibility

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MXene-based all-solid flexible electrochromic microsupercapacitor

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Microsystems & Nanoengineering 2024年第3期10卷 347-355页

作者： Shanlu Guo Ruihe Zhu Jingwei Chen Weilin Liu Yuxiang zhang jianmin Li Haizeng Li College of Electronic and Optical Engineering&College of Flexible Electronics(Future Technology) Nanjing University of Posts and TelecommunicationsNanjing 210023China School of Materials Science and Engineering Ocean University of ChinaQingdao 266100China Optics and Thermal Radiation Research Center Institute of Frontier and Interdisciplinary ScienceShandong UniversityQingdao 266237China Shenzhen Research Institute of Shandong University Shenzhen 518000China State Key Laboratory of Featured Metal Materials and Life Cycle Safety for Composite Structures Guangxi UniversityNanning 530004China

With the increasing demand for multifunctional optoelectronic devices,flexible electrochromic energy storage devices are being widely recognized as promising platforms for diverse ***,simultaneously achieving high capacitance,fast color switching and large optical modulation range is very *** this study,the MXenebased flexible in-plane microsupercapacitor was fabricated via a mask-assisted spray coating *** adding electrochromic ethyl viologen dibromide(EVB)into the electrolyte,the device showed a reversible color change during the charge/discharge *** to the high electronic conductivity of the MXene flakes and the fast response kinetics of EVB,the device exhibited a fast coloration/bleaching time of 2.6 s/2.5 s,a large optical contrast of 60%,and exceptional coloration *** addition,EVB acted as a redox additive to reinforce the energy storage performance;as a result,the working voltage window of the Ti_(3)C_(2)-based symmetric aqueous microsupercapacitor was extended to 1 ***,the device had a high areal capacitance of 12.5 mF cm^(−2)with superior flexibility and mechanical stability and showed almost 100%capacitance retention after 100 bending *** as-prepared device has significant potential for a wide range of applications in flexible and wearable electronics,particularly in the fields of camouflage,anticounterfeiting,and displays.

关键词： capacitance kinetics exceptional

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海洋石油工程起重船变幅钢丝绳无损检测的技术措施

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化工管理 2024年第11期 66-68页

作者：胡登方张建民卜庆斌田宝华陈小忠王凯海洋石油工程股份有限公司天津300452

海洋石油工程起重船变幅钢丝绳作为船舶起重机主要的受力构件,使用工况及环境较为特殊,为延长钢丝绳寿命及安全运营,对起重船的变幅钢丝绳进行预防性维护和安全性检测非常重要。文章阐述了国内外目前较为先进的无损检测技术及设备现状,... 详细信息

海洋石油工程起重船变幅钢丝绳作为船舶起重机主要的受力构件,使用工况及环境较为特殊,为延长钢丝绳寿命及安全运营,对起重船的变幅钢丝绳进行预防性维护和安全性检测非常重要。文章阐述了国内外目前较为先进的无损检测技术及设备现状,剖析了在具体应用环节存在的问题,并提出了起重机变幅钢丝绳有效、准确检测的技术措施。

关键词：变幅钢丝绳无损检测漏磁检测无损检测仪检测单元 WINTORS分析软件海洋石油工程

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温度胁迫下浓香型白酒酒醅理化性质、有机酸和挥发性风味物质的变化研究

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酿酒科技 2024年第3期 40-46,52页

作者：蒋永春雷学俊郑佳覃凤阳张建敏彭志云赵东四川轻化工大学生物工程学院四川宜宾644005 宜宾五粮液股份有限公司四川宜宾644000 固态发酵资源利用四川省重点实验室四川宜宾644000

以浓香型白酒酒醅为原料,探究控温发酵下不同起始温度对发酵过程中酒醅理化性质、有机酸和挥发性风味物质的影响。实验结果表明,发酵过程中起始温度15℃下pH值、残淀、正丁醇、异戊醇变化规律与其余起始温度有差异;起始温度25℃下己酸... 详细信息

以浓香型白酒酒醅为原料,探究控温发酵下不同起始温度对发酵过程中酒醅理化性质、有机酸和挥发性风味物质的影响。实验结果表明,发酵过程中起始温度15℃下pH值、残淀、正丁醇、异戊醇变化规律与其余起始温度有差异;起始温度25℃下己酸乙酯变化规律与其余起始温度有差异。起始温度15℃下淀粉利用率最高,乙酸乙酯生成量最低,己酸乙酯生成量最高。

关键词：温度理化性质有机酸挥发性风味物质

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