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A supramolecular self-assembly material based on cucurbituril and cationic TPE as ultra-sensitive probe of energetic pentazolate salts

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Defence Technology（防务技术） 2024年第5期35卷 69-76页

作者： Boan tang Jingxiang Zhong Shutao Wang Shiyu Zhou Yongxing tang Wei Huang School of Chemistry and Chemical Engineering Nanjing University of Science and TechnologyNanjing 210094China

The successful synthesis of the pentazolate anion(cyclo-N-5)has been a great breakthrough in the field of energetic ***,the detection methods for these energetic materials based on the pentazolate anion are quite ***,two fluorescent probes for cyclo-N-5anion were *** 1(TPE2N)was synthesized with a tetraphenylethylene functionalized by two cationic groups which can generate strong electrostatic interactions with pentazolate anion and result in specific fluorescent *** 2 was designed based on sensor 1 and supramolecular cucurbit[7]uril(CB[7]).The unique structural features of CB[7]provide sites for the interaction between the cations and N-5anion in its cavity,which would generate a platform for the detection and enhance the recognition *** titration calorimetry(ITC)experiment and fluorescence titration experiment indicate the binding molar ratio between sensor 1 with CB[7]is 1:*** sensors display typical aggregation-induced emission(AIE)features and good *** sensors demonstrate excellent sensitivity to pentazole hydrazine salt with high enhancement constant(sensor 1:1.34×10^(6);sensor 2:3.78×10^(6))and low limit of detection(LOD:sensor 1=4.33μM;sensor 2=1.54μM).The formation of an AIE-based supramolecular sensor effectively improves the sensitivity to *** addition,the probes also have good selectivity of N-5anion *** research would shed some light on the design of novel fluorescent sensors to detect pentazolate-based molecules and provides an example of supramolecular chemistry combined with fluorescent probes.

关键词： Pentazolate anion Explosives detection Aggregation-induced emission(AIE) Host-guest interaction

Flexible and Robust Functionalized Boron Nitride/Poly(p‑Phenylene Benzobisoxazole)Nanocomposite Paper with High Thermal Conductivity and Outstanding Electrical Insulation

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Nano-Micro Letters 2024年第2期16卷 423-437页

作者： Lin tang Kunpeng Ruan Xi Liu Yusheng tang Yali Zhang Junwei Gu Chongqing Key Laboratory of Green Synthesis and Applications College of ChemistryChongqing Normal UniversityChongqing 401331People’s Republic of China Shaanxi Key Laboratory of Macromolecular Science and Technology School of Chemistry and Chemical EngineeringNorthwestern Polytechnical UniversityXi’an 710072People’s Republic of China

With the rapid development of 5G information technology,thermal conductivity/dissipation problems of highly integrated electronic devices and electrical equipment are becoming *** this work,“high-temperature solid-phase&diazonium salt decomposition”method is carried out to prepare benzidine-functionalized boron nitride(m-BN).Subsequently,m-BN/poly(pphenylene benzobisoxazole)nanofiber(PNF)nanocomposite paper with nacremimetic layered structures is prepared via sol–gel film transformation *** obtained m-BN/PNF nanocomposite paper with 50 wt%m-BN presents excellent thermal conductivity,incredible electrical insulation,outstanding mechanical properties and thermal stability,due to the construction of extensive hydrogen bonds andπ–πinteractions between m-BN and PNF,and stable nacre-mimetic layered ***λ∥andλ_(⊥)are 9.68 and 0.84 W m^(-1)K^(-1),and the volume resistivity and breakdown strength are as high as 2.3×10^(15)Ωcm and 324.2 kV mm^(-1),***,it also presents extremely high tensile strength of 193.6 MPa and thermal decomposition temperature of 640°C,showing a broad application prospect in high-end thermal management fields such as electronic devices and electrical equipment.

关键词： Poly(p-phenylene-2,6-benzobisoxazole)nanofiber Boron nitride Thermal conductivity Electrical insulation

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传统农业生态思想对绿色发展的启示

中国农业资源与区划 2022年第7期43卷 1-7页

作者：刘北桦唐志强中国农业博物馆北京100125

[目的]中国先民在生产实践中注重处理人与自然的关系并形成了“三才”“三宜”和相生相克思想、物质循环利用、资源的保护和适度利用等传统农业生态思想。现代农业如何继承传统农业的生态智慧,解决好在使用现代投入品时与自然和谐共生... 详细信息

[目的]中国先民在生产实践中注重处理人与自然的关系并形成了“三才”“三宜”和相生相克思想、物质循环利用、资源的保护和适度利用等传统农业生态思想。现代农业如何继承传统农业的生态智慧,解决好在使用现代投入品时与自然和谐共生的问题,亟需进行深入研究。[方法]文章从六个方面系统梳理了传统农业的历史经验和智慧,结合现代农业发展的实际,阐发传统农业生态思想对农业绿色发展的启示。[结果]该文阐明六点启示:一是继承“三才”思想,树立农业生态系统与社会经济系统和谐发展的新理念;二是继承“三宜”思想,因时、因地、因物创造灵活多样的生态农业技术体系;三是继承精耕细作传统,建立高效、循环、平衡的现代农业生态系统;四是继承养地用地传统,农牧结合,废物利用,保障农田生态系统的永续利用;五是继承御欲节用传统,节制开发,合理利用,推动生态可持续发展;六是弘扬生态文化传统,建设产业兴旺、生态宜居的新农村。[结论]该文提出了四点建议,即运用传统农业生态思想,加快研发农业绿色技术;传承系统观、整体观,健全农业绿色发展法律体系;深度挖掘传统农业生态思想价值,为农业绿色发展提供历史借鉴;保护农业文化遗产,留住农耕文化的载体,为绿色发展保留生态文化基因。

关键词：传统农业生态思想绿色发展启示建议

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抗肿瘤药物经济学研究文献分析

中国药房 2007年第17期18卷 1296-1297页

作者：戴媛媛汤致强中国医学科学院肿瘤医院药剂科北京市100021

目的:了解国内抗肿瘤药物经济学研究现状。方法:收集1995年以来国内学术期刊发表的有关肿瘤药物经济学论文,并对文献内容分项列表进行评估。结果:现有研究对抗肿瘤药物的经济学作了初步探讨,但存在不规范和不完善的现象。结论:抗肿瘤药... 详细信息

目的:了解国内抗肿瘤药物经济学研究现状。方法:收集1995年以来国内学术期刊发表的有关肿瘤药物经济学论文,并对文献内容分项列表进行评估。结果:现有研究对抗肿瘤药物的经济学作了初步探讨,但存在不规范和不完善的现象。结论:抗肿瘤药物经济学研究本身具有一定复杂性,应加强研究的规范化,使研究结果能得到进一步应用。

关键词：抗肿瘤药物药物经济学文献分析

Markovian Quadratic BSDEs with an Unbounded Sub-quadratic Growth

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Chinese Annals of Mathematics,Series B 2024年第3期45卷 441-462页

作者： Jingnan JU Shanjian tang Shanghai Center for Mathematical Sciences Fudan UniversityShanghai 200433China Department of Finance and Control Sciences School of Mathematical SciencesFudan UniversityShanghai 200433China

This paper is devoted to the solvability of Markovian quadratic backward stochastic differential equations(BSDEs for short)with bounded terminal *** generator is allowed to have an unbounded sub-quadratic growth in the second unknown variable *** existence and uniqueness results are given to these *** an application,an existence result is given to a system of coupled forward-backward stochastic differential equations with measurable coefficients.

关键词： Markovian BSDE Quadratic growth Unbounded sub-quadratic term coeficients Coupled FBSDE

A novel cascaded H-bridge photovoltaic inverter with flexible arc suppression function

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Global Energy Interconnection 2024年第4期7卷 513-527页

作者： Junyi tang Wei Gao College of Electrical Engineering and Automation Fuzhou UniversityFuzhou 350108P.R.China

This paper presents a novel approach that simultaneously enables photovoltaic(PV)inversion and flexible arc suppression during single-phase grounding *** compensate for ground currents through an arc-elimination function,while outputting a PV direct current(DC)power *** method effectively reduces the residual grounding *** reduce the dependence of the arc-suppression performance on accurate compensation current-injection models,an adaptive fuzzy neural network imitating a sliding mode controller was *** online adaptive adjustment law for network parameters was developed,based on the Lyapunov stability theorem,to improve the robustness of the inverter to fault and connection ***,a new arc-suppression control exit strategy is proposed to allow a zerosequence voltage amplitude to quickly and smoothly track a target value by controlling the nonlinear decrease in current and reducing the regulation *** results showed that the proposed method can effectively achieve fast arc suppression and reduce the fault impact current in single-phase grounding *** to other methods,the proposed method can generate a lower residual grounding current and maintain good arc-suppression performance under different transition resistances and fault locations.

关键词： Photovoltaic inverter Flexible arc suppression Adaptive control Fuzzy neural network Sliding mode control Exit strategy

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计算机专业硬件课程体系的改革

计算机工程与科学 2014年第A2期36卷 159-161页

作者：唐志强朱子聪复旦大学计算机科学技术学院上海200433

数字逻辑、计算机组成原理和计算机体系结构是计算机专业的三门相关的主干硬件课程。现有的课程体系中这三门课程相对独立,不符合当今技术的发展,尤其不适合需掌握完整的计算机设计技术的计算机专业的学生需求。结合十二五国家级示范实... 详细信息

数字逻辑、计算机组成原理和计算机体系结构是计算机专业的三门相关的主干硬件课程。现有的课程体系中这三门课程相对独立,不符合当今技术的发展,尤其不适合需掌握完整的计算机设计技术的计算机专业的学生需求。结合十二五国家级示范实验教学中心的建设,复旦大学计算机学院对计算机专业的硬件类课程群进行重新规划,以满足计算机学科发展的要求。

关键词：计算机专业数字逻辑课程群

Single-cell RNA sequencing in juvenile idiopathic arthritis

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Genes & Diseases 2024年第2期11卷 633-644页

作者： Xiwen Luo Xuemei tang Department of Rheumatology and Immunology Children’s Hospital of Chongqing Medical UniversityChongqing 400014China Chongqing Key Laboratory of Child Infection and Immunity Ministry of Education Key Laboratory of Child Development and DisordersNational Clinical Research Center for Child Health and DisordersChina International Science and Technology Cooperation Base of Child Development and Critical DisordersChildren's Hospital of Chongqing Medical UniversityChongqing 400014China

Juvenile idiopathic arthritis (JIA) is one of the most common chronic inflammatory rheumatic diseases in children,with onset before age 16 and lasting for more than 6 *** is a highly heterogeneous condition with various consequences for health and quality of *** some JIA patients,early detection and intervention remain *** a result,further investigation of the complex and unknown mechanisms underlying JIA is *** in technology now allow us to describe the biological heterogeneity and function of individual cell populations in *** this review,we hope to provide novel ideas and potential targets for the diagnosis and treatment of JIA by summarizing the current findings of single-cell RNA sequencing studies and understanding how the major cell subsets drive JIA pathogenesis.

关键词： Juvenile idiopathic arthritis Macrophage Macrophage activation syndrome Monocyte Single-cell RNA sequencing Synoviocyte T cell

Supported Recyclable Metal-free Frustrated Lewis Pair Catalyst for Catalytic Hydrogenation of Substituted Pyridines to Piperidines

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Chemical Research in Chinese Universities 2024年第4期40卷 682-689页

作者： MA Shaohua tang Zhiyong CAS Key Laboratory for Nanosystem and Hierarchical Fabrication CAS Center for Excellence in NanoscienceNational Center for Nanoscience and TechnologyBeijing100190P.R.China University of Chinese Academy of Sciences Beijing100049P.R.China

The construction of heterogeneous frustrated Lewis pairs(FLPs)catalysts is crucial for realizing highly efficient and recyclable pyridines catalytic *** this work,we prepared a recyclable heterogenous FLPs catalyst CMP-BF with conjugated microporous polymer CMP-ethynyl as the support via self-catalyzed 1,1-carboboration reaction with commercial Lewis acid B(C_(6)F_(5))_(3).The as-synthesized CMP-BF demonstrates superior heterogenous catalytic hydrogenation performance(conversion>99%),and considerable stability(84%conversion after three cycles)in recyclable hydrogenation of 2,*** work provides insights into the fabrication and catalytic application of recyclable heterogenous FLP catalysts.

关键词： Pyridine hydrogenation Frustrated Lewis pair Conjugated microporous polymer