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Unraveling the exceptional kinetics of Zn‖organic batteries in hydrated deep eutectic solution

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Journal of Energy Chemistry 2025年第2期101卷 570-577页

作者： duo Chen Yuanhang Wang Tengyu Yao Hang yang Laifa Shen Jiangsu Key Laboratory of Electrochemical Energy Storage Technologies College of Materials Science and Technology Nanjing University of Aeronautics and Astronautics Christopher Ingold Laboratory Department of Chemistry University College London

Intuitively,the solvation structure featuring stronger interacted sheath in deep eutectic solution（DES）electrolyte would result in sluggish interfacial charge transfer and intense polarization,which obstructs its practical application in emerging Zn based ***,here we discover a Zn‖organic battery with exceptional kinetics properties enabled by a hydrated DES electrolyte,which can render higher discharge capacity,smaller voltage polarization,and faster kinetics of charge transfer in comparison with conventional aqueous 3 M ZnCl2electrolyte,though its viscosity is two orders of magnitude higher than the *** improved kinetics of charge transfer and ion diffusion is demonstrated to originate from the local electron structure regulation of cathode in hydrated DES ***,the DES electrolyte has also been shown to restrict parasitic reaction associated with active water by preferential urea-molecular adsorption on Zn surface and stronger water trapping in solvation structure,giving rise to long-term stable dendrite-free Zn plating/*** work provides a new rationale for understanding electrochemical behaviors of organic cathodes in DES electrolyte,which is conducive to the development of high-performance Zn‖organic batteries.

关键词： Deep eutectic Dendrite-free Kinetics Zn-based battery

基于纳米划痕的陆相页岩纹层界面过渡区分布范围定量研究

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岩土力学 2025年第2期46卷 353-367页

作者：杨柳杨铎何满潮中国矿业大学(北京)隧道工程灾变防控与智能建养全国重点实验室北京100083 中国矿业大学(北京)力学与土木工程学院北京100083

陆相页岩普遍发育黏土质、长英质及方解石质等不同组分的纹层,在水力压裂刺激页岩裂隙网格结构过程中,界面过渡区(interfacialtransitionzone,简称ITZ)的存在严重地影响了裂纹的扩展方向和形态。然而,目前缺乏针对页岩纹层ITZ分布范围... 详细信息

陆相页岩普遍发育黏土质、长英质及方解石质等不同组分的纹层,在水力压裂刺激页岩裂隙网格结构过程中,界面过渡区(interfacialtransitionzone,简称ITZ)的存在严重地影响了裂纹的扩展方向和形态。然而,目前缺乏针对页岩纹层ITZ分布范围的有效量化方法。针对页岩微观力学参数曲线的离散特征,通过置信椭圆标定ITZ范围内的离散数据,使用线性拟合与置信椭圆交点的投影长度作为定量页岩纹层ITZ的新方法。借助扫描电子显微镜与矿物定量评价系统,获得页岩表面形貌和矿物分布情况,对划痕试验后矿物破坏形式进行分析。基于纳米划痕试验结果,通过断裂韧性确定了不同岩性矿物的分布长度,并将其与扫描电子显微镜识别结果进行对比。结果表明:伊利石等塑性矿物在划痕试验过程中呈现出碎屑在两侧堆积的破坏模式,而钠长石和石英等脆性矿物则呈现出锯齿状的破坏或点状的崩裂。由于ITZ的存在,扫描电子显微镜识别出的塑性矿物分布长度大于断裂韧性曲线的定量结果。摩擦系数法受到表面粗糙度的影响,拟合置信度较低,定量结果偏大。与摩擦系数法相比,断裂韧性法具有更高的数据连续性和拟合置信度,但是考虑因素较为单一。无量纲参数法综合考虑了断裂韧性、硬度、摩擦系数和划痕深度的影响,曲线离散度较低,拟合误差较小。相比于传统单个力学参数的识别手段,基于无量纲参数对ITZ分布范围的量化准确度有较大提升。

关键词：陆相页岩纳米划痕试验破坏模式量纲分析界面过渡区

Recent Advances in Fibrous Materials for Hydroelectricity Generation

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Nano-Micro Letters 2025年第2期17卷 109-133页

作者： Can Ge duo Xu Xiao Feng Xing yang Zheheng Song Yuhang Song Jingyu Chen Yingcun Liu Chong Gao Yong Du Zhe Sun Weilin Xu Jian Fang College of Textile and Clothing Engineering Soochow UniversitySuzhou 215123People’s Republic of China National Engineering Laboratory for Modern Silk Soochow UniversitySuzhou 215123People’s Republic of China State Key Laboratory of New Textile Materials and Advanced Processing Technologies Wuhan Textile UniversityWuhan 430200People’s Republic of China Institute of Functional Nano&Soft Materials(FUNSOM) Soochow UniversitySuzhou 215123People’s Republic of China Department of Electrical and Computer Engineering University of MassachusettsAmherstMA 01003USA Department of Materials Imperial College LondonSouth Kensington CampusLondon SW72AZUK College of Textile Science and Engineering Zhejiang Sci-Tech UniversityHangzhou 310018People’s Republic of China School of Materials Science and Engineering Shanghai Institute of Technology100 Haiquan RoadShanghai 201418People’s Republic of China

Depleting fossil energy sources and conventional polluting power generation pose a threat to sustainable *** generation from ubiquitous and spontaneous phase transitions between liquid and gaseous water has been considered a promising strategy for mitigating the energy *** materials with unique flexibility,processability,multifunctionality,and practicability have been widely applied for fibrous materials-based hydroelectricity generation(FHG).In this review,the power generation mechanisms,design principles,and electricity enhancement factors of FHG are first ***,the fabrication strategies and characteristics of varied constructions including 1D fiber,1D yarn,2D fabric,2D membrane,3D fibrous framework,and 3D fibrous gel are ***,the advanced functions of FHG during water harvesting,proton dissociation,ion separation,and charge accumulation processes are analyzed in ***,the potential applications including power supply,energy storage,electrical sensor,and information expression are also ***,some existing challenges are considered and prospects for future development are sincerely proposed.

关键词： Hydroelectricity Fibrous material Streaming potential Ion diffusion

Readout electronics for the gamma detector of the HIRFL-CSR external target facility

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Nuclear Science and Techniques 2025年第2期36卷 71-81页

作者： Xian-Qin Li Hai-Bo yang Xiao-Meng Ma Chao-Jie Zou Tao Liu Xian-Cai Zhou duo Yan yang-Zhou Su Shu-Wen Tang Shi-Tao Wang Yu-Hong Yu Zhi-Yu Sun Cheng-Xin Zhao Institute of Modern Physics Chinese Academy of SciencesLanzhou 730000China School of Nuclear Science and Technology University of Chinese Academy of SciencesBeijing 100049China School of Physics and Electronic Engineering Northwest Normal UniversityLanzhou 730070China School of Big Data and Information Engineering Guizhou UniversityGuiyang 550025China

The Cooling Storage Ring of the Heavy Ion Research Facility in Lanzhou(HIRFL-CSR)was constructed to study nuclear physics,atomic physics,interdisciplinary science,and related *** External Target Facility(ETF)is located in the main ring of the *** gamma detector of the ETF is built to measure emitted gamma rays with energies below 5 MeV in the center-of-mass frame and is planned to measure light fragments with energies up to 300 *** readout electronics for the gamma detector were designed and *** readout electronics consist of thirty-two front-end cards,thirty-two readout control units(RCUs),one common readout unit,one synchronization&clock unit,and one sub-trigger *** using the real-time peak-detection algorithm implemented in the RCU,the data volume can be significantly *** addition,trigger logic selection algorithms are implemented to improve the selection of useful events and reduce the data *** test results show that the integral nonlinearity of the readout electronics is less than 1%,and the energy resolution for measuring the 60 Co source is better than 5.5%.This study discusses the design and performance of the readout electronics.

关键词： HIRFL-CSR Gamma detector External target facility Readout electronics Readout control unit Common readout unit Peak-detection algorithm

Refractive status and histological changes after posterior scleral reinforcement in guinea pig

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International Journal of Ophthalmology(English edition) 2025年第3期18卷 375-382页

作者： Yu-Yan Huang Li-yang Zhou Guo-Fu Chen duo Peng Miao-Zhen Pan Ji-Bo Zhou Jia Qu National Clinical Research Center for Ocular Diseases Eye HospitalWenzhou Medical UniversityWenzhou 325027Zhejiang ProvinceChina Hefei Aier Eye Hospital Hefei 230000Anhui ProvinceChina The Affiliated Suzhou Hospital of Nanjing Medical University Suzhou Municipal HospitalSuzhou 215000Jiangsu ProvinceChina Department of Ophthalmology Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai 200025China

AIM:To investigate the refractive and the histological changes in guinea pig eyes after posterior scleral reinforcement with scleral ***:Four-week-old guinea pigs were implanted with scleral allografts,and the changes of refraction,corneal curvature and axis length were monitored for *** effects of methylprednisolone(MPS)on refraction parameters were also *** the microstructure and ultra-microstructure of eyes were observed on the 9d and 51d after ***-measures analysis of variance and one-way analysis of variance were ***:The refraction outcome of the implanted eye decreased after operation,and the refraction change of the 3 mm scleral allografts group was significantly different with control group(P=0.005)and the sham surgical group(P=0.004).After the application of MPS solution,the reduction of refraction outcome was statistically suppressed(P=0.008).The inflammatory encapsulation appeared 9d after *** 51d after operation,the loose implanted materials were absorbed,while the adherent implanted materials with MPS group were still tightly attached to the recipient’s ***:After implantation of scleral allografts,the refraction of guinea pig eyes fluctuated from a decrease to an *** outcome of the scleral allografts is affected by implantation methods and the inflammatory *** of the material can be improved by MPS.

关键词： posterior scleral reinforcement methylprednisolone inflammation myopia guinea pig

基于建构主义理论的化学拔尖创新人才班基础课程教学定量评价体系研究

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化学教育(中英文) 2025年第2期46卷 25-32页

作者：郭巧能朱西周杨光王振龙孙朵朵郑州大学物理学院河南郑州450001 郑州大学马克思主义学院河南郑州450001 郑州大学化学学院河南郑州450001 郑州大学教务部河南郑州450001

从化学拔尖创新人才培养出发,基于建构主义认知发展教育理论,结合科学美感课程思政素质培养,以学生拔尖创新成才为中心,建立融入美感思政元素的基础课程评价体系。采用层次分析法计算各个指标的权重,得到层次权重量表。以“101计划”高... 详细信息

从化学拔尖创新人才培养出发,基于建构主义认知发展教育理论,结合科学美感课程思政素质培养,以学生拔尖创新成才为中心,建立融入美感思政元素的基础课程评价体系。采用层次分析法计算各个指标的权重,得到层次权重量表。以“101计划”高校化学拔尖创新人才班基础课程为例,建立课程评价指标细则,从信息化教学平台和专用管理系统获取数据,进行基础课程的定量评价。本研究为高校对拔尖创新人才培养方案的制定和课程思政教学设计提供有效的参考和借鉴。

关键词：建构主义理论基础课程教学课程思政层次分析法拔尖创新人才

Isolation and Identification of New Impurities in Nomegestrol Acetate

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Chemical Research in Chinese Universities 2009年第5期25卷 653-656页

作者： yang Zhong-duo ZHANG Xu LI Tao LI Yuan-chao WANG you-fu School of Life Science and Engineering Lanzhou University of Technology Lanzhou 730050 P. R. China Shanghai Institute ofMateria Medica Shanghai Institutes for Biological Sciences Chinese Academy of Sciences Shanghai 201203 P. R. China The 2nd Branch Factory of Xianju Pharmaceutical Factory Xianju 317300 P. R. China State Key Laboratory of Applied Organic Chemistry Lanzhou University Lanzhou 730000 P. R. China

Three new and five known steroidal compounds as impurities in nomegestrol acetate（I） were isolated from the enriched mother liquor via various chromatographic methods. Their structures were elucidated by spectrometric analysis and single-crystal X-ray diffraction analysis. New compounds were characterized as 17a-hydroxyl-3-oxoes- trane-5β, 17-dicarbonitrile（l）, 4-ethyl- 17a-hydroxyl-3-oxoestr-4-en- 17-carbonitrile（2）, 4-ethylestr-4-en-3,17-dione（3）. The ^13C NMR data of known estrane derivatives（4--7） were also reported first time in this paper. The study may be helpful to identifing and characterizing all the impurities that are present at a level of 0.1% and be useful in the quality control of the production ofnomegestrol acetate.

关键词： Steroid Nomegestrol acetate Estrane derivative

TRANSPORTATION CHARACTERISTIC OF BED LOAD FOR NON-UNIFORM SEDIMENT WITH EQUIVALENT GRAIN

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Journal of Hydrodynamics 2002年第3期14卷 117-121页

作者： He, Wen-She Cao, Shu-you Fang, duo Liu, Xing-Nian yang, Ju-Rui Hydraulics Lab. of High Speed Flows Sichuan Univ. Chengdu 610065 China

The incipient velocity of sediment is one of the most important basic theoretical problems of hydraulic engineering. The initial motion of sediment is a random process. Based on the combination methods of classical mechanics with statistics theory the formula to calculate the incipient motion of sediment was established. According to the standard of incipient motion, motion status, relative degree of expose for sediment and equivalent grain were defined. The coefficient in the formula included the flow fluctuation and relative degree of exposition. The value of the coefficient was calculated by using some parameters value. The results show that the value of dimensionless shear stress coefficient is not a constant, but locating in a range from 0.022 to 0.063 for weak and middle motion status, and varying with the relative degree of sediment expose. The value of dimensionless Shields numbers that put forward in the text can explain the reason that why the coefficients in difference formulas have wide scatter. The theoretical formula has been verified with amount of data collected from both natural rivers and flumes. The results can reflect the motion characteristic of the sediment.

关键词： Grain size and shape Mechanics Sediments Shear stress Statistics Transport properties

Characteristics of the Flow and Sediment in the Inner Rivers' Broad-shallow Shifting Reach

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四川大学学报（工程科学版） 2005年第S1期37卷 93-97页

作者： yang, Shengfa Zhou, Huajun Fang, duo State Key Lab. of Hydraulics Sichuan Univ. Chengdu 610065 China

Rivers are classified into two *** is the outer river which flows into ocean and the other is the inner river which does not flow into the ocean but into desert or *** inner rivers are the erosive rivers that have been seldom studied so *** on the field survey data,the analysis on the characteristics of the flow and sediment in the inner rivers' broad-shallow shifting (IRBS) *** IRBS reach often bears such the properties as:high gradient bed,usually 10‰or greater;small flow dischar...

关键词： the IRBS reach watershed features flow characteristics sedment transport