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Rational modulation of fluorophosphate cathode by anionic groups to reduce the polarization behavior for fast-charging sodium-ion batteries

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Journal of Energy Chemistry 2025年第1期100卷 509-521页

作者： Xinyuan wang Fan Zhang Xingyu Zhou Qian wang Changyu Liu Yangyang Liu Hui wang Xiaojie Liu Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education College of Chemistry & Materials Science Northwest University

Na3V2（PO4）2O2F （VP） is recognized as a promising cathode material for sodium-ion batteries due to its stable structural framework and high specific *** functional theory （DFT） and finite element simulations show that incorporating SO42-into VP decreases its band gap,lowers the migration energy barrier,and ensures a uniform Na+concentration gradient and stress distribution during charge and discharge ***,the average Na+diffusion coefficient of Na3V2（PO4）1.95（SO4）0.05O2F（VPS-1） is roughly double that of VP,leading to enhanced rate capability (80 C,75.5 mAh g-1) and cycling stability (111.0 mAh g-1capacity after 1000 cycles at 10 C current density) for ***-1 exhibits outstanding fast-charging capabilities,achieving an 80%state of charge in just 8.1 *** assembled VPS-1//SbSn/NPC full cell demonstrated stable cycling over 200 cycles at a high 5 C current,maintaining an average coulombic efficiency of 95.35%.

关键词： Anionic group modulation Polarization behavior Fast-charging Sodium-ion battery Fluorophosphate Cathode

EZH2-dependent myelination following sciatic nerve injury

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Neural Regeneration Research 2025年第8期20卷 2382-2394页

作者： Hui Zhu Li Mu Xi Xu Tianyi Huang Ying wang Siyuan Xu Yiting wang Wencong wang Zhiping wang Hongkui wang Chengbin Xue Research Center of Clinical Medicine Affiliated Hospital of Nantong UniversityKey Laboratory of Neuroregeneration of Jiangsu and Ministry of EducationCo-innovation Center of NeuroregenerationNMPA Key Laboratory for Research and Evaluation of Tissue Engineering Technology ProductsNantong UniversityNantongJiangsu ProvinceChina Medical School of Nantong University NantongJiangsu ProvinceChina Department of Neurology Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Department of Rehabilitation Medicine Affiliated Hospital of Nantong UniversityNantongJiangsu ProvinceChina Department of Critical Care Medicine Nantong Fourth People’s HospitalNantongJiangsu ProvinceChina

Demyelination and remyelination have been major focal points in the study of peripheral nerve regeneration following peripheral nerve ***,the gene regulatory network of regenerated myelin differs from that of native *** of enhancer of zeste homolog 2(EZH2)hinders the differentiation,maturation,and myelination of Schwann cells in *** further determine the role of EZH2 in myelination and recovery post-peripheral nerve injury,conditional knockout mice lacking Ezh2 in Schwann cells(Ezh2^(fl/fl);Dhh-Cre and Ezh2^(fl/fl);Mpz-Cre)were *** results show that a significant proportion of axons in the sciatic nerve of Ezh2-depleted mice remain *** highlights the crucial role of Ezh2 in initiating Schwann cell ***,we observed that 21 days after inducing a sciatic nerve crush injury in these mice,most axons had remyelinated at the injury site in the control nerve,while Ezh2^(fl/fl);Mpz-Cre mice had significantly fewer remyelinated axons compared with their wild-type *** suggests that the absence of Ezh2 in Schwann cells impairs myelin formation and *** conclusion,EZH2 has emerged as a pivotal regulatory factor in the process of demyelination and myelin regeneration following peripheral nerve *** EZH2 activity during these processes may offer a promising therapeutic target for the treatment of peripheral nerve injuries.

关键词： demyelination EZH2 myelination peripheral nerve injury PRC2 remyelination Schwann cells sciatic nerve crush sciatic nerve transection

RF Optimizer Model for Predicting Compressive Strength of Recycled Concrete

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Journal of Wuhan University of Technology(Materials Science) 2025年第1期40卷 215-223页

作者： LIU Lin wang Liuyan wang Hui SUN Huayue School of Civil Engineering and Architecture Shenyang UniversityShenyang 110000China

Traditional machine learning(ML)encounters the challenge of parameter adjustment when predicting the compressive strength of reclaimed *** address this issue,we introduce two optimized hybrid models:the Bayesian optimization model(B-RF)and the optimal model(Stacking model).These models are applied to a data set comprising 438 observations with five input variables,with the aim of predicting the compressive strength of reclaimed ***,we evaluate the performance of the optimized models in comparison to traditional machine learning models,such as support vector regression(SVR),decision tree(DT),and random forest(RF).The results reveal that the Stacking model exhibits superior predictive performance,with evaluation indices including R2=0.825,MAE=2.818 and MSE=14.265,surpassing the traditional ***,we also performed a characteristic importance analysis on the input variables,and we concluded that cement had the greatest influence on the compressive strength of reclaimed concrete,followed by ***,the Stacking model can be recommended as a compressive strength prediction tool to partially replace laboratory compressive strength testing,resulting in time and cost savings.

关键词： machine learning recycled concrete compressive strength

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TU1无氧铜在室温-600℃氧化行为研究

仪器仪表用户 2022年第10期29卷 63-66,20页

作者：马贤王丁丁李海月核工业理化工程研究院天津300180

TU1无氧铜性能优异,成本低廉,是广泛应用的导热材料,在使用过程中发生氧化会严重影响其性能,因而其氧化行为被广泛研究。本文针对TU1无氧铜开展了室温至600℃空气氧化试验,用场发射扫描电镜(SEM)观测了TU1无氧铜氧化过程中的微观形貌变... 详细信息

TU1无氧铜性能优异,成本低廉,是广泛应用的导热材料,在使用过程中发生氧化会严重影响其性能,因而其氧化行为被广泛研究。本文针对TU1无氧铜开展了室温至600℃空气氧化试验,用场发射扫描电镜(SEM)观测了TU1无氧铜氧化过程中的微观形貌变化,并利用X射线衍射仪(XRD)和俄歇电子能谱仪(AES)分析了氧化产物及其深度分布。结果表明,随着氧化温度的升高,在TU1无氧铜表面先后生成Cu_(2)O和CuO;其重量随着温度升高表现为先升高后降低的趋势;温度为200℃时,氧化层深度约为200nm。

关键词： TU1无氧铜氧化行为重量变化率深度分布

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甘草多糖的生物活性及其在动物生产中的应用

中国饲料 2022年第7期 6-12页

作者：娄然杨又兵游祥宾李世豪王丹晖王丁丁吴燕河南科技大学动物科技学院河南洛阳471000

甘草多糖是一种生物高分子化合物,具有免疫调节、抗肿瘤、抗氧化、抗病毒等多种生物活性,并且易于获取,作用广泛,因此受到许多学者的关注。在动物生产中甘草多糖具有提高动物生产性能,促进免疫等诸多功能,具有广阔的应用前景和研究价值... 详细信息

甘草多糖是一种生物高分子化合物,具有免疫调节、抗肿瘤、抗氧化、抗病毒等多种生物活性,并且易于获取,作用广泛,因此受到许多学者的关注。在动物生产中甘草多糖具有提高动物生产性能,促进免疫等诸多功能,具有广阔的应用前景和研究价值。本文对甘草多糖的生物活性及其在动物生产中的研究进展进行阐述,以期为甘草多糖的基础研究和畜牧业的发展提供理论依据。

关键词：甘草多糖免疫抗氧化

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建筑空间自然通风设计模式探讨

河南科学 2010年第11期28卷 1453-1457页

作者：张建涛李理王丁丁郑州大学建筑学院郑州450001

阐述了"烟囱效应"基本原理,及其在运用这一原理在建筑设计中的影响因素——季节因素和环境因素,并结合建筑实例,概括出天井中庭、太阳能烟囱、呼吸式双层幕墙和环境风塔等自然通风的设计模式.建筑空间自然通风模式的研究对建筑设计在节... 详细信息

阐述了"烟囱效应"基本原理,及其在运用这一原理在建筑设计中的影响因素——季节因素和环境因素,并结合建筑实例,概括出天井中庭、太阳能烟囱、呼吸式双层幕墙和环境风塔等自然通风的设计模式.建筑空间自然通风模式的研究对建筑设计在节约资源和降低环境负荷方面起到有益的作用.

关键词：烟囱效应自然通风设计模式

AI-Enhanced Secure Data Aggregation for Smart Grids with Privacy Preservation

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Computers, Materials & Continua 2025年第1期82卷 799-816页

作者： Congcong wang Chen wang Wenying Zheng Wei Gu School of Software Nanjing University of Information Science and TechnologyNanjing210044China School of Information Science and Engineering Zhejiang Sci-Tech UniversityHangzhou310018China State Key Laboratory of Public Big Data Guizhou UniversityGuiyang550025China School of Computer Science and Technology(School of Artificial Intelligence) Zhejiang Sci-Tech UniversityHangzhou310018China School of Computer Science(School of Cyber Science and Engineering) Nanjing University of Information Science and TechnologyNanjing210044China

As smart grid technology rapidly advances,the vast amount of user data collected by smart meter presents significant challenges in data security and privacy *** research emphasizes data security and user privacy concerns within smart ***,existing methods struggle with efficiency and security when processing large-scale *** efficient data processing with stringent privacy protection during data aggregation in smart grids remains an urgent *** paper proposes an AI-based multi-type data aggregation method designed to enhance aggregation efficiency and security by standardizing and normalizing various data *** approach optimizes data preprocessing,integrates Long Short-Term Memory(LSTM)networks for handling time-series data,and employs homomorphic encryption to safeguard user *** also explores the application of Boneh Lynn Shacham(BLS)signatures for user *** proposed scheme’s efficiency,security,and privacy protection capabilities are validated through rigorous security proofs and experimental analysis.

关键词： Smart grid data security privacy protection artificial intelligence data aggregation

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渗透汽化膜过程乙醇水蒸气真空分馏热质传递

膜科学与技术 2024年第5期44卷 142-149页

作者：张尹王丁玎刘敬芸刘闻达姜昊基韩露肖泽仪樊森清四川大学化学工程学院成都610000

对透醇选择性渗透汽化膜下游的渗透蒸气进行分级冷凝,重点研究了真空冷凝分馏器的热-质传递行为,分析了进口渗透蒸气流速对真空冷凝分馏器传热系数与冷凝行为的影响.进口蒸气流速从3.09 m/s提高至8.05 m/s时,总传热系数由37.06 W/(m^(2)... 详细信息

对透醇选择性渗透汽化膜下游的渗透蒸气进行分级冷凝,重点研究了真空冷凝分馏器的热-质传递行为,分析了进口渗透蒸气流速对真空冷凝分馏器传热系数与冷凝行为的影响.进口蒸气流速从3.09 m/s提高至8.05 m/s时,总传热系数由37.06 W/(m^(2)·K)提高至145.27 W/(m^(2)·K),渗透蒸气侧冷凝给热系数也由55.81 W/(m^(2)·K)提高至544.60 W/(m^(2)·K).不同流速下,传热过程各步骤热阻占比不同,3.09 m/s时,渗透蒸气侧热阻占比较大,高达82.99%;流速提高至8.05 m/s后,冷却介质侧热阻占比增大,达到65.66%.随进口蒸气流速的提高,真空冷凝分馏器中蒸气冷凝量在总渗透蒸气中的占比由41.82%提高至68.19%,乙醇质量分数由3.45%提高到10.66%.

关键词：渗透汽化乙醇水蒸气真空分馏传质传热

连续发酵-渗透汽化膜分离-分级冷凝集成制乙醇

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膜科学与技术 2024年第6期44卷 88-95页

作者：姜昊基王丁玎刘敬芸韩露刘闻达张尹肖泽仪樊森清四川大学化学工程学院成都610065

本研究构建了木薯连续发酵、渗透汽化膜分离与分级冷凝集成系统,用于生产生物乙醇.渗透汽化膜分离可有效消除产物抑制,在长达500 h的发酵时间里,单位体积发酵液总耗糖量、平均糖耗速率、乙醇产量和乙醇产率分别达到420.9 g/L、1.92 g/(L... 详细信息

本研究构建了木薯连续发酵、渗透汽化膜分离与分级冷凝集成系统,用于生产生物乙醇.渗透汽化膜分离可有效消除产物抑制,在长达500 h的发酵时间里,单位体积发酵液总耗糖量、平均糖耗速率、乙醇产量和乙醇产率分别达到420.9 g/L、1.92 g/(L·h)、165.3 g/L和0.81 g/(L·h).发酵残液的处理量相较常规连续发酵减少47.3%.平均膜通量和分离因子分别为654.3 g/(m^(2)·h)和8.2,膜下游渗透蒸汽乙醇质量分数达18.8%.在整个发酵过程中,占总产量88.2%的乙醇通过渗透汽化,以高浓度乙醇溶液的形式被回收.膜下游渗透蒸汽经过分级冷凝后,二级冷凝器中的平均乙醇质量分数被进一步提高至26.5%.

关键词：木薯乙醇连续发酵渗透汽化产物抑制分级冷凝

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