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Interlayer-expanded MoS2 assemblies for enhanced electrochemical storage of potassium ions

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Nano Research 2020年第1期13卷 225-230页

作者： Sijia Di Pan Ding Yeyun Wang Yunling Wu Jun deng Lin Jia yanguang Li Institute of Functional Nano and Soft Materials(FUNSOM) Jiangsu Key Laboratory for Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhou215123China

Potassium-ion batteries are regarded as the low-cost alternative to lithium-ion ***,their development is hampered by the lack of suitable electrode *** this work,we demonstrate that MoS2 with expanded interlayers represents a promising candidate for the electrochemical storage of potassium *** interlayer-expanded MoS2 assemblies supported on carbon nanotubes are prepared via a straightforward solution *** increased interlayer spacing not only enables the better accommodation of foreign ions,but also lowers the diffusion energy barrier and improves diffusion kinetics of *** investigated as the anode material of potassium ion batteries,our interlayer-expanded MoS2 assemblies exhibit an excellent electrochemical performance with large capacity(up to∼520 mAhg^−1),good rate capability(∼310 mAhg^−1 at 1,000 mAg^−1)and impressive cycling stability,superior to most competitors.

关键词： molybdenum disulfide interlayer expansion potassium ion batteries hierarchical structure

Evaluation of erectile function after urethral reconstruction:a prospective study

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Asian Journal of Andrology 2009年第2期11卷 209-214页

作者： hong Xie Yue-Min Xu Xiao-Lin Xu Yin-Long Sa deng-Long Wu Xin-Chi Zhang Department of Urology Shanghai Jiao Tong University Affiliated Sixth People’s HospitalShanghai 200233China

We conducted a prospective study of erectile dysfunction(ED)after urethral reconstructive surgery,using the 5-item International Index of Erectile Function(IIEF-5),the Sexual Life Quality Questionnaire(SLQQ)and the Quality of Life Questionnaire(QoLQ).Between January 2003 and July 2007,125 male patients with urethral strictures underwent urethroplasty,and pre-and post-surgery erectile function was assessed using these three questionnaires.A formula to predict the probability of ED after urethroplasty was *** 3 months post-operatively,there was a significant decrease in IIEF-5(16.57±7.98)and SLQQ scores(28.71±14.84)compared with pre-operative scores(P<0.05).However,the IIEF-5 scores rebounded at 6 months post-operatively(17.22±8.41).Logistical regression analysis showed that the location of the urethral stricture,the recurrence of strictures and the choice of surgical technique were predictive of the post-operative occurrence of *** study identified the clinical risk factors for ED after *** urethral stricture and end-to-end anastomosis were found to have a strong relationship with erectile *** logistical model derived in this study may be applied to clinical decision algorithms for patients with urethral strictures.

关键词： erectile dysfunction urethroplasty urethral stricture

Joint Active and Passive Beamforming Design in Intelligent Reflecting Surface(IRS)-Assisted Covert Communications:A Multi-Agent DRL Approach

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China Communications 2024年第9期21卷 11-26页

作者： Gao Ang Ren Xiaoyu deng Bin Sun Xinshun Zhang Jiankang School of Electronic Information Northwestern Polytechnical UniversityXi’an 710072China Key Laboratory of Near Ground Detection and Perception Technology Wuxi 214035China Department of Computing and Informatics Bournemouth UniversityUK

Intelligent Reflecting Surface(IRS),with the potential capability to reconstruct the electromagnetic propagation environment,evolves a new IRSassisted covert communications paradigm to eliminate the negligible detection of malicious eavesdroppers by coherently beaming the scattered signals and suppressing the signals ***,when multiple IRSs are involved,accurate channel estimation is still a challenge due to the extra hardware complexity and communication *** the crossinterference caused by massive reflecting paths,it is hard to obtain the close-formed solution for the optimization of covert *** this basis,the paper improves a heterogeneous multi-agent deep deterministic policy gradient(MADDPG)approach for the joint active and passive beamforming(Joint A&P BF)optimization without the channel estimation,where the base station(BS)and multiple IRSs are taken as different types of agents and learn to enhance the covert spectrum efficiency(CSE)*** to the‘centralized training and distributed execution’feature of MADDPG,each agent can execute the active or passive beamforming independently based on its partial observation without referring to *** results demonstrate that the proposed deep reinforcement learning(DRL)approach could not only obtain a preferable CSE of legitimate users and a low detection of probability(LPD)of warden,but also alleviate the communication overhead and simplify the IRSs deployment.

关键词： covert communications deep reinforcement learning intelligent reflecting surface

Recent process in developing advanced heterogeneous diatomic-site metal catalysts for electrochemical CO_(2)reduction

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Chinese Chemical Letters 2024年第7期35卷 4-13页

作者： Xueyang Zhao Bangwei deng hongtao Xie Yizhao Li Qingqing Ye Fan Dong yangtze Delta Region Institute(Huzhou) University of Electronic Science and Technology of ChinaHuzhou 313001China Institute of Fundamental and Frontier Sciences University of Electronic Science and Technology of ChinaChengdu 611731China Suzhou Industrial Technology Research Institute of Zhejiang University Zhejiang UniversitySuzhou 215159China

Diatomic-site catalysts(DASCs)have emerged as a kind of promising heterogeneous candidate catalysts for electrochemical CO_(2)reduction(ECR),which is considered to retain the advantage of single-atom catalysts(SACs)but also introduce opportunities to exceed the limit of single-atom *** the past few years,tremendous progress has been achieved in this ***,the recent progress in ECR on DASCs has been *** will start with the classification of *** the challenges in the precise fabrication and characterization of DASCs have been *** introducing the advanced ECR performance on DASCs,superior to that on SACs,the synergistic effects of the dual metal atoms are highlighted,as this origin of the advanced ECR performance on DASCs is comprehensively ***,the major challenges and perspectives of DASCs have been proposed to shed light on the development of DASCs for ECR application.

关键词： Diatomic-site metal catalyst Electrochemical CO_(2)reduction Classification CO_(2)activation Synergistic effects

高静压处理对鱿鱼品质及货架期稳定性变化的影响

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食品与机械 2015年第3期31卷 135-139页

作者：金雅芳邓云上海交通大学食品科学与工程系上海200240

研究超高压处理对鱿鱼品质和货架期的影响。在25℃下,对鱿鱼进行200,400,600 MPa,5,10,20min的超高压处理。在4℃条件下储藏10d后,分析超高压对储藏期间鱿鱼的水分、蛋白质、脂肪、pH和菌落总数的影响。结果表明:储藏前,超高压对鱿鱼基... 详细信息

研究超高压处理对鱿鱼品质和货架期的影响。在25℃下,对鱿鱼进行200,400,600 MPa,5,10,20min的超高压处理。在4℃条件下储藏10d后,分析超高压对储藏期间鱿鱼的水分、蛋白质、脂肪、pH和菌落总数的影响。结果表明:储藏前,超高压对鱿鱼基本组分基本没有影响,随压力增加和时间的延长,水分、脂肪、蛋白质含量及pH没有显著变化,但总菌落数显著下降,于600 MPa处理20 min后,总菌落数下降1.7lg CFU/g左右;储藏10d后,对照组的菌落总数上升至7.0lg CFU/g,而超高压处理各组仍保持较低水平。由此可见,超高压处理可以保留鱿鱼的营养品质、延长其货架期。

关键词：超高压鱿鱼货架期微生物

Enhanced performance triboelectric nanogenerator based on porous structure C/MnO_(2)nanocomposite for energy harvesting

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Nano Research 2022年第8期15卷 7163-7171页

作者： honghao Zhang Ping Zhang Pengfei Li Lu deng Weikang Zhang Baocheng Liu Zhengchun yang School of Electrical and Information Engineering Tianjin UniversityTianjin 300072China School of Integrated Circuit Science and Engineering Adv.Mater.and Printed Electronics CenterTianjin Key Laboratory of Film Electronic&Communication DevicesTianjin University of TechnologyTianjin 300384China

Triboelectric nanogenerator(TENG)can realize a variety of mechanical energy collections in the environment,which has great potential in the field of wearable ***,many TENGs could rarely be satisfactory to wearable electronics promotion because of their expensive raw materials and complex manufacturing *** this study,a type of porous structure carbon powder/manganese dioxide(C/MnO_(2))nanocomposite is *** material adopts low-cost,high-yield carbon powder,can be prepared in one step through a simple,economical,and environmentally friendly hydrothermal preparation process,and has high economic *** power generation performance was obtained by modulating the charge trapping ability and storage capacity of polydimethylsiloxane@C/MnO_(2)(PDMS@C/MnO_(2))film based on variations in the weight-loading of C/MnO_(2).The maximum output voltage of carbon powder/manganese dioxide TENG(CM-TENG)is 63 V,which is 2.1 times that of PDMS-TENG and 1.86 times that of carbon powder TENG(C-TENG)and can easily light up 53 ***,CM-TENG can convert biological motion energy into electrical signals to detect human hand *** CM-TENG self-powered system can successfully drive various microelectronic devices,such as electronic watches,liquid crystal displays(LCDs),and *** study provides a reliable,low-cost,high-performance,and widely applicable electronic system that shows great potential in future fields such as wearable devices and micro-sensing systems.

关键词： porous structure carbon powder/manganese dioxide(C/MnO_(2)) nanocomposite triboelectric nanogenerator widely applicable microelectronic devices

Dynamic Finite Element Modeling and Simulation of Soft Robots

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Chinese Journal of Mechanical Engineering 2022年第2期35卷 45-55页

作者： Liang Ding Lizhou Niu yang Su Huaiguang yang Guangjun Liu Haibo Gao Zongquan deng State Key Laboratory of Robotics and Systems Harbin Institute of TechnologyHarbin 150001China Department of Aerospace Engineering Ryerson UniversityTorontoON M5B 2K3Canada

Soft robots have become important members of the robot community with many potential applications owing to their unique flexibility and security embedded at the material *** increasing number of researchers are interested in their designing,manufacturing,modeling,and ***,the dynamic simulation of soft robots is difficult owing to their infinite degrees of freedom and nonlinear characteristics that are associated with soft materials and flexible geometric *** this study,a novel multi-flexible body dynamic modeling and simulation technique is introduced for soft *** actuators for soft robots are modeled in a virtual environment,including soft cable-driven,spring actuation,and pneumatic driving.A pneumatic driving simulation was demonstrated by the bending modules with different materials.A cable-driven soft robot arm prototype and a cylindrical soft module actuated by shape memory alley springs inspired by an octopus were manufactured and used to validate the simulation model,and the experimental results demonstrated adequate *** proposed technique can be widely applied for the modeling and dynamic simulation of other soft robots,including hybrid actuated robots and rigid-flexible coupling *** study also provides a fundamental framework for simulating soft mobile robots and soft manipulators in contact with the environment.

关键词： Soft robot Finite-element modeling Dynamic simulation

Genetic dissection of crown root traits and their relationships with aboveground agronomic traits in maize

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Journal of Integrative Agriculture 2023年第11期22卷 3394-3407页

作者： SHA Xiao-qian GUAN hong-hui ZHOU Yu-qian SU Er-hu GUO Jian LI Yong-xiang ZHANG deng-feng LIU Xu-yang HE Guan-hua LI Yu WANG Tian-yu ZOU Hua-wen LI Chun-hui College of Agriculture Yangtze UniversityJingzhou 434000P.R.China State Key Laboratory of Crop Gene Resources and Breeding Institute of Crop SciencesChinese Academy of Agricultural SciencesBeijing 100081P.R.China Institute of Crops Gansu Academy of Agricultural SciencesLanzhou 730070P.R.China Institute of Maize Research Inner Mongolia Academy of Agricultural&Animal Husbandry SciencesHohhot 010031P.R.China

The crown root system is the most important root component in maize at both the vegetative and reproductive stages. However, the genetic basis of maize crown root traits(CRT) is still unclear, and the relationship between CRT and aboveground agronomic traits in maize is poorly understood. In this study, an association panel including 531 elite maize inbred lines was planted to phenotype the CRT and aboveground agronomic traits in different field environments. We found that root traits were significantly and positively correlated with most aboveground agronomic traits, including flowering time, plant architecture and grain yield. Using a genome-wide association study(GWAS)coupled with resequencing, a total of 115 associated loci and 22 high-confidence candidate genes were identified for CRT. Approximately one-third of the genetic variation in crown root was co-located with 46 QTLs derived from flowering and plant architecture. Furthermore, 103 (89.6%) of 115 crown root loci were located within known domestication-and/or improvement-selective sweeps, suggesting that crown roots might experience indirect selection in maize during domestication and improvement. Furthermore, the expression of Zm00001d036901, a high-confidence candidate gene, may contribute to the phenotypic variation in maize crown roots, and Zm00001d036901 was selected during the domestication and improvement of maize. This study promotes our understanding of the genetic basis of root architecture and provides resources for genomics-enabled improvements in maize root architecture.

关键词： maize root aboveground agronomic traits GWAS candidate genes

Establishment and assessment of rodent models of medication-related osteonecrosis of the jaw(MRONJ)

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International Journal of Oral Science 2022年第3期14卷 245-258页

作者： Ran yan Ruixue Jiang Longwei Hu Yuwei deng Jin Wen Xinquan Jiang Department of Prosthodontics Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai Jiao Tong UniversityShanghaiChina College of Stomatology Shanghai Jiao Tong UniversityShanghaiChina National Center for Stomatology National Clinical Research Center for Oral DiseasesShanghai Key Laboratory of StomatologyShanghai Engineering Research Center of Advanced Dental Technology and MaterialsShanghaiChina d 4Department of Oral and Maxillofacial-Head and Neck Oncology Shanghai Ninth People’s HospitalShanghai Jiao Tong University School of MedicineShanghai Jiao Tong UniversityShanghaiChina

Medication-related osteonecrosis of the jaw(MRONJ)is primarily associated with administering antiresorptive or antiangiogenic *** significant research on MRONJ,its pathogenesis and effective treatments are still not fully *** models can be used to simulate the pathophysiological features of MRONJ,serving as standardized in vivo experimental platforms to explore the pathogenesis and therapies of *** models exhibit excellent effectiveness and high reproducibility in mimicking human MRONJ,but classical methods cannot achieve a complete replica of the pathogenesis of *** rodent models have been reported with improvements for better mimicking of MRONJ onset in *** review summarizes representative classical and modified rodent models of MRONJ created through various combinations of systemic drug induction and local stimulation and discusses their effectiveness and ***,there is a lack of a unified assessment system for MRONJ models,which hinders a standard definition of MRONJ-like lesions in ***,this review comprehensively summarizes assessment systems based on published peer-review articles,including new approaches in gross observation,histological assessments,radiographic assessments,and serological *** review can serve as a reference for model establishment and evaluation in future preclinical studies on MRONJ.

关键词： Establishment and assessment of rodent models of medication-related osteonecrosis of the jaw MRONJ