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Tuning on passive interfacial cooling of covalent organic framework hydrogel for enhancing freshwater and electricity generation

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SusMat 2024年第5期4卷 139-153页

作者： Jianfei wu Ziwei Cui yuxuan Su Dongfang wu Jundie Hu Jiafu Qu Jianzhang Li Fangyuan Kang Dan Tian Qichun Zhang Yahui Cai Co-Innovation Center of Efficient Processing and Utilization of Forest Resources College of Materials Science and EngineeringNanjing Forestry UniversityNanjingChina School of Materials Science and Engineering Suzhou University of Science and TechnologySuzhouChina State Key Laboratory of Efficient Production of Forest Resources Beijing Forestry UniversityBeijingChina Department of Materials Science and Engineering Department of ChemistryCenter of Super-Diamond and Advanced Films&Hong Kong Institute of Clean EnergyCity University of Hong KongHong KongChina

Developing an efficient freshwater and electricity co-generation device(FECGD)can solve the shortage of freshwater and ***,the poor salt resistance and refrigeration properties of the materials for FECGD put big challenges in the efficient and stable operation of these *** address these issues,we propose the covalent organic framework(COF)confined co-polymerization strategy to prepare COF-modified acrylamide cationic hydrogels(ACH-COF),where hydrogen bonding interlocking between negatively charged polymer chains and COF pores can form a salt resistant hydrogel for stabilizing tunable passive interfacial cooling(TPIC).The FECPDs based on the TPIC and salt resistance of ACH-COF display a maximum output power density of 2.28 W m-2,which is 4.3 times higher than that of a commercial thermoelec-tric generator under one solar *** production rate of freshwater can reach 2.74 kg m-2 *** results suggest that the high efficiency and scala-bility of the FECGD can hold the promise of alleviating freshwater and power shortages.

关键词： COF confined co-polymerization environmental sensing freshwater and electricity co-generation passive interfacial cooling salt resistance

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Breaking the speed limitation of wavemeter through spectra-space-time mapping

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Light(Advanced Manufacturing) 2024年第2期5卷 33-40页

作者： Zheng Gao Ting Jiang Mingming Zhang yuxuan Xiong Hao wu Ming Tang wuhan National Laboratory for Optoelectronics(WNLO)and Next Generation Internet Access National Engineering Laboratory(NGIA) School of Optical and Electronic InformationHuazhong University of Science and TechnologyWuhan 430074China

Speckle patterns generated by the intermodal interference of multimode fibers enable accurate broadband wavelength ***,the measurement speed is limited by the frame rate of the camera that captures the *** propose a compact and cost-effective ultrafast wavemeter based on multimode and multicore fibers,which employs spectral-spatial-temporal *** speckle patterns generated by multimode fibers enable spectral-to-spatial mapping,which is then sampled by a multicore fiber into a pulse sequence to implement spatial-to-temporal mapping.A high-speed single-pixel photodetector is employed to capture the pulse sequence,which is analysed using a multilayer perceptron to estimate the *** feasibility of the proposed wavelength estimation method is experimentally verified,achieving a measurement rate of 100 MHz with a resolution of 2.7 pm in a 1 nm operation bandwidth.

关键词： Speed Wavemeters Spectra

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Targeting lipid metabolism overcomes BTK inhibitor resistance in diffuse large B-cell lymphoma

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Medicine in Novel Technology and Devices 2024年第2期22卷 9-14页

作者： Zhuojun Liu Chenyue wu Zhaohua Yao yuxuan Wang Zhe Yu Jian Yu School of Biological Science and Medical Engineering Beihang UniversityBeijing100191China Key Laboratory of Biomechanics and Mechanobiology Beijing Advanced Innovation Center for Biomedical EngineeringSchool of Biological Science and Medical EngineeringBeihang UniversityBeijing100191China Shandong Provincial Third Hospital Shandong250031China

Exploring novel therapeutic targets of Diffuse large B cell lymphoma(DLBCL)to overcome its resistance to Bruton's Tyrosine Kinase(BTK)inhibitors is a key *** metabolism,crucial in the resistance landscape of various cancers,may unlock new aspects of BTK inhibitor resistance in *** the known importance of lipid metabolism in oncological resistance patterns,its intricate role in DLBCL and its resistance to BTK inhibitor therapies remains largely *** review will explore the complex relationship between lipid metabolism and BTK inhibitor resistance,giving new insights for improving the effectiveness of BTK inhibitors and developing innovative combination treatment methods for *** review holds the potential for guiding future research directions,optimizing existing therapeutic processes,and inspiring the development of innovative combinatorial therapeutic strategies that improve outcomes in patients with DLBCL.

关键词： Diffuse large B-Cell lymphoma BTK inhibitor resistance Lipid metabolism Fatty acid Cholesterol

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Overview of recognition methods for SSVEP-based BCIs in World Robot Contest 2022: MATLAB undergraduate group

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Brain Science Advances 2023年第3期9卷 224-236页

作者： Chengzhi Yi yuxuan wu Fan Ye Xinchen Zhang Jingjing Chen Department of Biomedical Engineering School of MedicineTsinghua UniversityBeijing 100084China College of Science Beijing Forestry UniversityBeijing 100083China Department of Psychology School of Social SciencesTsinghua UniversityBeijing 100084China Tsinghua Laboratory of Brain and Intelligence Tsinghua UniversityBeijing 100084China

The steady-state visual evoked potential(SSVEP)-based speller has emerged as a widely adopted paradigm in current brain–computer interface(BCI) systems due to its rapid processing and consistent performance across different individuals. Calibration-free SSVEP algorithms, as opposed to their calibration-based counterparts, offer clear and intuitive mathematical principles, making them accessible to novice developers. During the World Robot Contest(WRC)2022, participants in the undergraduate category utilized various approaches to accomplish target detection in the calibration-free setting, successfully implementing the algorithms using *** winning approach achieved an average information transfer rate of 198.94 bits/min in the final test, which is notably high given the calibration-free scenario. This paper presents an introduction to the underlying principles of the selected methods, accompanied by a comparison of their effectiveness through analysis of results from both the final test and offline experiments. Additionally, we propose that the youth competition of WRC could serve as an ideal starting point for beginners interested in studying and developing their own BCI systems.

关键词： brain-computer interfaces electroencephalogram steady-state visual evoked potential BCI spellers calibration-free MATLAB

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空气炸鲨鱼皮工艺条件的优化

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渔业研究 2024年第3期46卷 260-270页

作者：陈晓婷吴雨璇刘淑集潘南许旻苏永昌张玉苍刘智禹集美大学海洋食品与生物工程学院福建厦门361021 福建水产研究所国家海水鱼类加工技术研发中心福建省海洋生物增养殖与高值化利用重点实验室福建厦门361013

为开发鲨鱼皮即食休闲食品,本文对鲨鱼皮进行空气炸工艺条件的优化。采用鲨鱼皮为原料,以质构特性和色泽变化为指标,通过预干燥控制鲨鱼皮水分含量,确定最佳预干燥条件;并在单因素试验的基础上进行正交实验优化,研究碱液浓度、泡碱时间... 详细信息

为开发鲨鱼皮即食休闲食品,本文对鲨鱼皮进行空气炸工艺条件的优化。采用鲨鱼皮为原料,以质构特性和色泽变化为指标,通过预干燥控制鲨鱼皮水分含量,确定最佳预干燥条件;并在单因素试验的基础上进行正交实验优化,研究碱液浓度、泡碱时间、空气炸温度和空气炸时间对鲨鱼皮品质的影响。结果表明,当预干燥控制水分含量在30%~60%时,鱼皮具有膨化作用,确定空气炸鲨鱼皮最佳工艺条件为预干燥温度80℃、干燥时间90 min、碱液浓度15 g·L^(-1)、泡碱时间10 min、空气炸温度150℃、空气炸时间14 min。该条件下制备的鲨鱼皮膨化效果最佳、色泽均匀、脆度和酥度较好。本研究旨在为空气炸鲨鱼皮即食产品工艺提供一定的理论基础。

关键词：鲨鱼皮预干燥空气炸品质工艺优化

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流域库坝安全“空—天—地—水”立体监测研究进展

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水电与抽水蓄能 2024年第5期10卷 1-9,46页

作者：金和平罗惠恒杨磊周志伟李林泽王海羽吴宇轩江利明中国长江三峡集团有限公司湖北省武汉市430010 中国长江三峡集团有限公司武汉科创园湖北省武汉市430014 中国科学院精密测量科学与技术创新研究院湖北省武汉市430077

流域库坝安全运行事关国家水安全、能源安全与经济社会绿色发展。库坝安全监测是合理评价库坝安全运行性态的基础,对保障高库大坝长期稳定安全运行意义重大。本文系统探讨了流域库坝安全监测的内容与方法,并重点分析了“空—天—地—水... 详细信息

流域库坝安全运行事关国家水安全、能源安全与经济社会绿色发展。库坝安全监测是合理评价库坝安全运行性态的基础,对保障高库大坝长期稳定安全运行意义重大。本文系统探讨了流域库坝安全监测的内容与方法,并重点分析了“空—天—地—水”立体监测技术的最新研究进展与趋势。随着卫星遥感、无人机、物联网、大数据、电子通信、人工智能等技术的融合应用,对流域高库大坝的表面变形、内部变形、渗流渗压、应力应变、水位和降雨量等关键指标的监测能力显著提升,为库坝安全管理提供了新的思路与方法。最后,本文通过典型案例分析,展示了“空—天—地—水”监测技术在流域库坝安全监测中的应用效果,并对其研究进展进行了总结与展望。

关键词：流域库坝高库大坝安全监测库岸地质灾害空—天—地—水监测技术

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Microstructure evolution from silicon core to surface in electronic-grade polycrystalline silicon

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Journal of Advanced Dielectrics 2024年第3期14卷 18-26页

作者： Jinyue Peng yuxuan Yang Yang Zhang Xinlu Xue Bochen Lu Rong Qin Haijun wu State Key Laboratory for Mechanical Behavior of Materials Electronic Materials Research Laboratory(Key Lab of Education Ministry)and School of Electronic and Information Engineering Xi’an Jiaotong University 710049 Xi’anChina Qinghai Xince Technology Co. Ltd.Huanghe Hydropower Development Co.Ltd.810007 XiningChina Instrumental Analysis Center Xi’an Jiaotong UniversityXi’anChina

Large-size electronic-grade polycrystalline silicon is an important material in the semiconductor industry with broad application ***,electronic-grade polycrystalline silicon has extremely high requirements for production technology and currently faces challenges such as carbon impurity breakdown,microstructure and composition nonuniformity and a lack of methods for preparing large-size mirror-like polycrystalline silicon *** paper innovatively uses physical methods such as wire cutting,mechanical grinding and ion thinning polishing to prepare large-size polycrystalline silicon samples that are clean,smooth,free from wear and have clear crystal *** material was characterized at both macroscopic and microscopic levels using metallographic microscopy,scanning electron microscopy(SEM)with backscattered electron diffraction(EBSD)techniques and scanning transmission electron microscopy(STEM).The crystal structure changes from single crystal silicon core to the surface of the bulk in the large-size polycrystalline silicon samples were revealed,providing a technical basis for optimizing and improving production processes.

关键词： Polysilicon silicon core matrix interface surface metallographic microscopy EBSD

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Microstructure of electronic-grade polycrystalline silicon core-matrix interface

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Journal of Advanced Dielectrics 2024年第3期14卷 11-17页

作者： Bochen Lu yuxuan Yang Yang Zhang Rong Qin Xinlu Xue Jinyue Peng Haijun wu State Key Laboratory for Mechanical Behavior of Materials Electronic Materials Research Laboratory(Key Lab of Education Ministry)and School of Electronic and Information Engineering Xi’an Jiaotong University 710049Xi’anP.R.China Qinghai Xince Technology Co. Ltd.Huanghe Hydropower Development Co.Ltd.810007XiningP.R.China Instrumental Analysis Center Xi’an Jiaotong University Xi’anP.R.China

This paper focuses on the problems encountered in the production process of electronic-grade polycrystalline *** points out that the characterization of electronic-grade polycrystalline silicon is mainly concentrated at the macroscopic scale,with relatively less research at the mesoscopic and microscopic ***,we utilize the method of physical polishing to obtain polysilicon characterization samples and then the paper utilizes metallographic microscopy,scanning electron microscopy-electron backscatter diffraction technology,and aberration-corrected transmission electron microscopy technology to observe and characterize the interface region between silicon core and matrix in the deposition process of electronic-grade polycrystalline silicon,providing a full-scale characterization of the interface morphology,grain structure,and orientation distribution from macro to ***,the paper illustrates the current uncertainties regarding polycrystalline silicon.

关键词： Polysilicon silicon core matrix interface metallographic microscopy EBSD

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Global,regional,and national burden and attributable risk factors of transport injuries:Global Burden of Disease Study 1990–2019

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Chinese Medical Journal 2023年第14期136卷 1762-1764页

作者： Fa Chen yuxuan wu Xiangrong Chen Yue Chen Xiaoyong Chen Yuying wu Penghui Wei Dezhi Kang Chenyu Ding Department of Epidemiology and Health Statistics School of Public HealthFujian Medical UniversityFuzhouFujian 350122China Clinical Research Unit The Second Affiliated HospitalFujian Medical UniversityQuanzhouFujian 362000China Department of Neurosurgery The Second Affiliated Hospital of Fujian Medical UniversityQuanzhouFujian 362000China Department of Neurosurgery Neurosurgery Research InstituteThe First Affiliated Hospital of Fujian Medical UniversityFuzhouFujian 350004China Fujian Provincial Key Laboratory of Precision Medicine for Cancer FuzhouFujian 350004China

To the Editor:Injuries are an important yet neglected cause of health burden,and the millions of injuryrelated deaths that occur each year reflect large disparities in terms of gender,race,and socioeconomic status.^([1])With the progress of urbanization and the number of motor vehicles increasing,pedestrians,cyclists,and drivers are brought into close contact,increasing the risk for all.^([2])In 2019,one of the leading causes of injuryrelated disability-adjusted life-years(DALYs)for all ages was road injuries(ranked seventh).^([1])Understanding the burden of transport injuries and how they are distributed among different regions and countries worldwide is essential for policy-making.^([3])

关键词： injuries transport burden

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CIAE放射性同位素制备技术的发展

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原子能科学技术 2020年第S1期54卷 177-184页

作者：梁积新吴宇轩罗志福中国原子能科学研究院同位素研究所北京102413

放射性同位素在工业、农业、医学与科学研究等领域起着非常重要的作用。本文对中国原子能科学研究院(CIAE,简称原子能院)60多年来在放射性同位素制备技术方面的发展进行了简要回顾,重点分析了反应堆生产同位素99Mo、125I、131I、177Lu... 详细信息

放射性同位素在工业、农业、医学与科学研究等领域起着非常重要的作用。本文对中国原子能科学研究院(CIAE,简称原子能院)60多年来在放射性同位素制备技术方面的发展进行了简要回顾,重点分析了反应堆生产同位素99Mo、125I、131I、177Lu与加速器生产同位素18F、64Cu、89Zr、123I以及99Mo-99Tc^m发生器、68Ge-68Ga发生器、188W-188Re发生器等的制备技术研究进展,并对今后原子能院在放射性同位素制备技术方面的发展进行了展望,以期促进原子能院放射性同位素技术的进一步发展。

关键词：原子能院放射性同位素同位素制备技术研究进展

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