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Journal of Energy Chemistry 2025年第1期100卷 26-38页

作者： Xiaodong yang Haochen Shen Xiaoming Xiao Zhichao Li Qi Zhou Wei yang Bin Jiang Yongli Sun Luhong Zhang Zhenhua Yan School of Chemical Engineering and Technology Tianjin University Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education) Nankai University

This study presents a novel method to fabricate metal-decorated,sulfur-doped layered double hydroxides （M/SLDH） through spontaneous redox and sulfurization *** developed Ag/SLDH and Pt/SLDH catalysts with abundant heterogeneous interfaces and hierarchical nanostructures demonstrated outstanding oxygen evolution reaction （OER） and hydrogen evolution reaction （HER） performance,achieving low overpotentials of 212 and 35 mV at 10 mA cm-2in 1 M KOH,*** both anode and cathode in water splitting,they required only 1.47 V to reach 10 mA cm-2and exhibited high structural robustness,maintaining stability at 1000 mA cm-2for 300 ***-situ Raman analysis revealed that the synergistic effects of metal nanoparticles and S doping significantly promote the transformation into the S-Co1-xFexOOH layer,which serves as the active phase for water ***,ultraviolet photoelectron spectroscopy （UPS） and density functional theory （DFT） analyses indicated that incorporating metal nanoparticles and S doping increase electron density near the Fermi level and reduce reaction energy barriers,thus enhancing intrinsic OER and HER *** study provides a scalable strategy for synthesizing high-performance electrocatalysts for water splitting,with promising potential for broader applications.

关键词： LDH Spontaneous reaction Metal nanoparticles Water splitting

鲤疱疹病毒2型ORF5截短基因的克隆表达及免疫原性研究

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中国兽医科学 2016年第11期46卷 1394-1400页

作者：廖红林华郝中香佘容陈世界杨苗陈珍容薛昌华赵珊韩国全曹三杰颜其贵四川农业大学动物医学院四川成都611130 四川出入境检验检疫局技术中心四川成都610041 通威股份有限责任公司检测中心四川成都610041 四川农业大学食品学院四川雅安625014

根据G en Bank上已登录的鲤疱疹病毒2型的O RF5基因序列(登录号:AFJ20457.1)设计1对引物,采用PCR扩增技术获得目的基因。序列分析表明,目的基因长357 bp,是一个完整的开放阅读框,编码119个氨基酸,理论分子质量为13 059.70 u,无信号肽,... 详细信息

根据G en Bank上已登录的鲤疱疹病毒2型的O RF5基因序列(登录号:AFJ20457.1)设计1对引物,采用PCR扩增技术获得目的基因。序列分析表明,目的基因长357 bp,是一个完整的开放阅读框,编码119个氨基酸,理论分子质量为13 059.70 u,无信号肽,无跨膜区,含有4个抗原表位。将扩增片段克隆至原核表达载体p ET-32a中,并将获得的重组质粒转化至大肠杆菌BL21中进行诱导表达。对表达蛋白进行复性纯化后免疫小鼠和异育银鲫,SD S-PAGE和W estern-blot检测分析表明,重组蛋白的分子质量约为33 ku,与预期相符,表达形式为包涵体,该蛋白能够与抗H is标签的抗体发生特异性反应,也能识别病毒粒子上的ORF5蛋白。对免疫的异育银鲫进行攻毒,结果显示注射生理盐水组的银鲫保护率为0,注射15、25、50 g重组蛋白组的保护率分别为20%、30%、35%,表明免疫重组蛋白组的保护率高于对照组。本研究证实了表达的融合蛋白具有一定的免疫原性,丰富了鲤疱疹病毒2型ORF5基因及基因组的研究,为研发制备新型鲤疱疹病毒2型的疫苗和诊断试剂盒奠定了基础。

关键词：鲤疱疹病毒2型 ORF5截短基因序列分析克隆表达攻毒保护试验

Single-cell technologies: current and near future

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Science China Life Sciences 2025年第01期 1-4页

作者： Chenfei Wang Qi Liu Xiaohui Fan Tieliu shi Key Laboratory of Spine and Spinal Cord Injury Repair and Regeneration Ministry of EducationOrthopedics DepartmentTongji HospitalBioinformatics DepartmentSchool of Life Sciences and TechnologyTongji University Frontier Science Center for Stem Cells School of Life Sciences and TechnologyTongji University Translational Medical Center for Stem Cell Therapy and Institute for Regenerative Medicine Shanghai East HospitalBioinformatics DepartmentSchool of Life Sciences and TechnologyTongji University Research Institute of Intelligent Computing Zhejiang Lab Pharmaceutical Informatics Institute College of Pharmaceutical SciencesZhejiang University National Key Laboratory of Chinese Medicine Modernization Innovation Center of Yangtze River DeltaZhejiang University Center for Bioinformatics and Computational Biology Shanghai Key Laboratory of Regulatory Biologythe Institute of Biomedical Sciences and School of Life SciencesEast China Normal University Key Laboratory of Advanced Theory and Application in Statistics and Data Science (MOE) School of StatisticsEast China Normal University

Single-cell technologies enable the indepth exploration of multiple biological hierarchies at the scale of individual cells,which have deepened our knowledge of cellular diversity, tissue organization, and overall organism function(Sun et al.,2024). In 2009, single-cell RNA sequencing(sc RNA-seq) was first developed as a powerful tool to dissect gene expression and uncover transcriptional *** the rapid advancement of technology, single-cell approaches have expanded to encompass other omics, such as genomics, epigenomics, proteomics,and metabolomics.

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A high speed multi-level-parallel array processor for vision chips

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Science China(Information Sciences) 2014年第6期57卷 211-222页

作者： shi Cong yang jie WU NanJian WANG ZhiHua State Key Laboratory for Superlattices and Microstructures Institute of SemiconductorsChinese Academy of Sciences Department of Electronic Engineering Tsinghua University Institute of Microelectronics Tsinghua University

This paper proposes a high speed multi-level-parallel array processor for programmable vision *** processor includes 2-D pixel-parallel processing element(PE)array and 1-D row-parallel row processor(RP)*** two arrays both operate in a single-instruction multiple-data(SIMD)fashion and share a common instruction *** sizes of the arrays are scalable according to dedicated *** PE array,each PE can communicate not only with its nearest neighbor PEs,but also with the next near neighbor PEs in diagonal *** connection can help to speed up local operations in low-level image *** the other hand,global operations in mid-level processing are accelerated by the skipping chain and binary boosters in RP *** array processor was implemented on an FPGA device,and was successfully tested for various algorithms,including real-time face detection based on PPED *** results show that the image processing speed of proposed processor is much higher than that of the state-of-the-arts digital vision chips.

关键词： vision chip array processor multi-level-parallel high speed image processing face detection

Improved Optimal Duty Model Predictive Current Control Strategy for PMSM

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Chinese Journal of Electrical Engineering 2022年第3期8卷 133-141页

作者： Dingdou Wen jie Yuan yang Zhang Chuandong shi School of Electrical and Information Engineering Hunan University of TechnologyZhuzhou 412007China

To further improve the steady-state performance of the conventional dual vector model predictive current control(MPCC),an improved optimal duty MPCC strategy for permanent magnet synchronous motor(PMSM)is *** strategy is realized by selecting an optimal voltage vector combination and its duration from the five basic voltage vector combinations,followed by acting on the *** five combinations are:the combination of the optimal voltage vector at the previous moment and basic voltage vector with an angle difference of 60°;the combination of the optimal voltage vector at the previous moment and basic voltage vector with an angle difference of-60°;the combination of the aforementioned three basic voltage vectors with the zero *** results indicate that the method effectively reduces the stator current ripple without increasing the calculational ***,it improves the steady-state performance of the system without altering the dynamic performance of the system.

关键词： Model predictive current control improved optimal duty optimal voltage vector combination steady-state performance PMSM

Multi boron-doping effects in hard carbon toward enhanced sodium ion storage

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Journal of Energy Chemistry 2025年第1期100卷 730-738页

作者： Peng Zheng Wang Zhou Ying Mo Biao Zheng Miaomiao Han Qin Zhong Wenwen yang Peng Gao Lezhi yang Jilei Liu College of Materials Science and Engineering Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy Hunan Province Key Laboratory for Advanced Carbon Materials and Applied Technology Hunan University Greater Bay Area Institute for Innovation Hunan University Changsha Research Institute of Mining & Metallurgy Co. LTD.

Hard carbon （HC） has been considered as promising anode material for sodium-ion batteries （SIBs）.The optimization of hard carbon’s microstructure and solid electrolyte interface （SEI） property are demonstrated effective in enhancing the Na+storage capability,however,a one-step regulation strategy to achieve simultaneous multi-scale structures optimization is highly ***,we have systematically investigated the effects of boron doping on hard carbon’s microstructure and interface chemistry.A variety of structure characterizations show that appropriate amount of boron doping can increase the size of closed pores via rearrangement of carbon layers with improved graphitization degree,which provides more Na+storage ***-situ Fourier transform infrared spectroscopy/electrochemical impedance spectroscopy （FTIR/EIS） and X-ray photoelectron spectroscopy （XPS） analysis demonstrate the presence of more BC3and less B–C–O structures that result in enhanced ion diffusion kinetics and the formation of inorganic rich and robust SEI,which leads to facilitated charge transfer and excellent rate *** a result,the hard carbon anode with optimized boron doping content exhibits enhanced rate and cycling *** general,this work unravels the critical role of boron doping in optimizing the pore structure,interface chemistry and diffusion kinetics of hard carbon,which enables rational design of sodium-ion battery anode with enhanced Na+storage performance.

关键词： X ray photoelectron spectroscopy

Flexible molecules dedicate to release strain of inverted inorganic perovskite solar cell

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Journal of Energy Chemistry 2025年第1期100卷 87-93页

作者： Hongrui Sun Sanlong Wang Pengyang Wang Yali Liu Shanshan Qi Biao shi Ying Zhao Xiaodan Zhang Institute of Photoelectronic Thin Film Devices and Technology Renewable Energy Conversion and Storage Center State Key Laboratory of Photovoltaic Materials and CellsNankai University Key Laboratory of Photoelectronic Thin Film Devices and Technology of Tianjin Haihe Laboratory of Sustainable Chemical Transformations Engineering Research Center of Thin Film Photoelectronic Technology of Ministry of Education Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)

The tensile strain in inorganic perovskite films induced by thermal annealing is one of the primary factors contributing to the inefficiency and instability of inorganic perovskite solar cells （IPSCs）,which reduces the defect formation ***,a flexible molecule 5-maleimidovaleric acid （5-MVA） was introduced as a strain buffer to release the residual strain of *** anhydride and carboxyl groups in 5-MVA interact strongly with the uncoordinated Pb2+through Lewis acid-base reaction,thus tightly“pull”the perovskite *** in-between soft carbon chain increased the structural flexibility of CsPbI2.85Br0.15perovskite materials,which effectively relieved the intrinsic internal strain of CsPbI2.85Br0.15,resisted the corrosion of external strain,and also reduced the formation of defects such as VIand *** addition,the introduction of 5-MVA improved crystal quality,passivated residual defects,and narrowed energy level ***,power conversion efficiency （PCE） of NiOxbased inverted IPSCs increased from 19.25% to 20.82% with the open-circuit voltage enhanced from 1.164 V to 1.230 *** release of strain also improved the stability of CsPbI2.85Br0.15perovskite films and devices.

关键词： Inverted inorganic perovskite solar cells Flexible molecules Strain release Crystallization Energy barrier High PCE

农业减排固碳对黄河流域农业经济高质量发展影响的空间效应

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西北农林科技大学学报（社会科学版） 2025年第1期25卷 128-139页

作者：石建文杨秀云西安交通大学经济与金融学院西安710049

运用IPCC方法测算2000-2020年黄河流域农牧业减排固碳水平,构建指标体系测算农业经济高质量发展水平,应用空间杜宾模型探讨农业减排固碳对黄河流域农业经济高质量发展的影响。结果显示:(1)农业减排固碳水平整体呈现“先下降后保持平稳... 详细信息

运用IPCC方法测算2000-2020年黄河流域农牧业减排固碳水平,构建指标体系测算农业经济高质量发展水平,应用空间杜宾模型探讨农业减排固碳对黄河流域农业经济高质量发展的影响。结果显示:(1)农业减排固碳水平整体呈现“先下降后保持平稳再上升”的变化趋势,区域整体减排固碳能力较好;(2)2000-2020年,黄河流域农业经济高质量发展水平呈现波动上升态势,各地级市农业经济高质量发展水平的内部差异较大;(3)整体而言,减排固碳和经济增长水平对正面促进农业经济高质量发展的影响主要源于区域间的经济关联,农业技术创新、外商直接投资正面促进农业经济高质量发展的影响主要源于区域间的地理位置,环境规制、人口规模对农业经济高质量发展的负向影响主要受到地区间的经济关联,城镇化水平负向抑制农业经济高质量发展的影响主要源于区域间的地理位置;(4)分地区而言,减排固碳对黄河流域农业经济高质量发展的作用效果及程度均存在异质性。

关键词：减排固碳农业经济高质量发展空间杜宾模型黄河流域

Low-temperature chlorination roasting technology for the simultaneous recovery of valuable metals from spent LiCoO_(2)cathode material

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 80-91页

作者： Junjie shi Changle Hou Jingjing Dong Dong Chen Jianzhong Li Key Laboratory for Ecological Metallurgy of Multimetallic Mineral(Ministry of Education) Northeastern UniversityShenyang 110819China School of Metallurgy Northeastern UniversityShenyang 110819China

With the continuous increase in the disposal volume of spent lithium-ion batteries(LIBs),properly recycling spent LIBs has become essential for the advancement of the circular *** study presents a systematic analysis of the chlorination roasting kinetics and proposes a new two-step chlorination roasting process that integrates thermodynamics for the recycling of LIB cathode *** activation energy for the chloride reaction was 88.41 kJ/mol according to thermogravimetric analysis–derivative thermogravimetry data obtained by using model-free,model-fitting,and Z(α)function(αis conversion rate).Results indicated that the reaction was dominated by the first-order(F1)model when the conversion rate was less than or equal to 0.5 and shifted to the second-order(F2)model when the conversion rate exceeded *** conditions were determined by thoroughly investigating the effects of roasting temperature,roasting time,and the mass ratio of NH_(4)Cl to LiCoO_(2).Under the optimal conditions,namely 400℃,20 min,and NH_(4)Cl/LiCoO_(2)mass ratio of 3:1,the leaching efficiency of Li and Co reached 99.43% and 99.05%,*** of the roasted products revealed that valuable metals in LiCoO_(2)transformed into CoCl_(2) and ***,the reaction mechanism was elucidated,providing insights for the establishment of a novel low-temperature chlorination roasting technology based on a crystal structure *** technology can guide the development of LIB recycling processes with low energy consumption,low secondary pollution,high recovery efficiency,and high added value.

关键词： spent lithium-ion battery thermodynamics chlorination roasting kinetics circular economy

Effect of pyrite content on chalcopyrite flotation under different regrinding conditions

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International Journal of Minerals,Metallurgy and Materials 2025年第1期32卷 49-57页

作者： Zejun Wang Qing shi Guofan Zhang Yuxuan Zhu Binbin Li School of Minerals Processing and Bioengineering Central South UniversityChangsha 410083China Key Laboratory of Hunan Province for Clean and Efficient Utilization of Strategic Calcium-containing Mineral Resources Central South UniversityChangsha 410083China

This study aimed to investigate the effect of varying pyrite(Py)content on copper(Cu)in the presence of different regrinding conditions,which were altered using different types of grinding media:iron,ceramic balls,and their mixture,followed by flotation in the cleaner *** flotation performance of rough Cu concentrate can be improved by changing the regrinding conditions based on the Py *** electron microscopy,X-ray spectrometry,ethylenediaminetetraacetic acid disodium salt extraction,and X-ray photoelectron spectroscopy studies illustrated that when the Py content was high,the use of iron media in regrinding promoted the generation of hydrophilic Fe OOH on the surface of Py and improved the Cu *** ceramic medium with a low Py content prevented excessive Fe OOH from covering the surface of chalcopyrite(Cpy).Electrochemical studies further showed that the galvanic corrosion current of Cpy-Py increased with the addition of Py and became stronger with the participation of iron media.

关键词： chalcopyrite regrinding media pyrite galvanic corrosion flotation