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Cobalt single-atom catalyst tailored ceramic membrane for selective removal of emerging organic contaminants

Environmental Science and Ecotechnology 2024年第5期21卷 219-229页

作者： Jiaxuan Yang Jing Zhao Hesong Wang Yatao Liu Junwen ding Tianyi Wang Jinlong Wang han Zhang Langming Bai Heng Liang State Key Laboratory of Urban Water Resource and Environment School of EnvironmentHarbin Institute of TechnologyHarbin150090PR China Beijing Key Laboratory for Source Control Technology of Water Pollution College of Environmental Science and EngineeringBeijing Forestry UniversityBeijing100083PR China

Water reuse is an effective way to solve the issues of current wastewater increments and water resource ***,a promising method for water reuse,has the characteristics of low energy consumption,easy operation,and high adaptability to coupling with other water treatment ***,emerging organic contaminants(EOCs)in municipal wastewater cannot be effectively intercepted by ultrafiltration,which poses significant challenges to the effluent quality and sustainability of ultrafiltration ***,we develop a cobalt single-atom catalyst-tailored ceramic membrane(Co1-NCNT-CM)in conjunction with an activated peroxymonosulfate(PMS)system,achieving excellent EOCs degradation and anti-fouling *** interfacial reaction mechanism effectively mitigates membrane fouling through a repulsive interaction with natural organic *** generation of singlet oxygen at the Co-N3-C active sites through a catalytic pathway(PMS/PMS*/OH*/O*/OO*/1 O_(2))exhibits selective oxidation of phenols and sulfonamides,achieving>90%removal *** findings elucidate a multi-layered functional architecture within the Co1-NCNT-CM/PMS system,responsible for its superior performance in organic decontamination and membrane maintenance during secondary effluent *** highlights the power of integrating Co1-NCNT-CM/PMS systems in advanced wastewater treatment frameworks,specifically for targeted EOCs removal,heralding a new direction for sustainable water management.

关键词： Single-atom catalytic ceramic membrane Peroxymonosulfate activation Selective oxidation Interfacial response Multi-layer functional zones

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The role of primary cilia in mechanical transmission of osteocyte based on a 3D finite element model

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Medicine in Novel Technology and Devices 2024年第1期21卷 31-38页

作者： Zhuang han Dong ding Yu-bo Fan Xin-tong Wu Xiao Yang Lian-wen Sun Key Laboratory of Biomechanics and Mechanobiology(Beihang University)Ministry of Education Beijing Advanced Innovation Center for Biomedical EngineeringSchool of Biological Science and Medical EngineeringBeihang UniversityBeijing100083China Department of Cardiology State Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

The primary cilium,as a mechanical receptor of osteocytes,participates in the regulation of osteocyte ***,how the length of osteocyte primary cilia changes with fluid shear stress(FSS)are unclear,and how the mechanical transmission within osteocytes altered by primary cilia is not well understood ***,the ciliary length changes of osteocyte under 15dyn/cm2 of FSS were experimentally detected,and then 3D finite element models of osteocyte primary cilia containing the basal body and axoneme were *** results showed that(1)The ciliary length of the CON group,FSS 1h,and FSS 6h were 3.71±1.34μm,3.79±1.04μm,and 1.24±0.73μm respectively,indicating the different durations of FSS might lead to the adaptive changes of cilium *** calculations showed(2)when the ciliary length became shorter with the ciliary angle stayed the same,the deformation and stress of the cell membrane and membrane skeleton was ***,the deformation and stress of the cilia membrane,basal body,the rotation angles of basal body were decreased,and those of cytoplasm,cytoskeleton,actin cortex and nucleus were also decreased;(3)With the decrease of the ciliary angle,the deformation and stress of the cilia membrane,basal body,as well as the rotation angles of basal body were *** of the cytoplasm,cytoskeleton,actin cortex,and nucleus were also increased except the cell membrane and membrane *** calculation results suggested the length and angle of the primary cilia,the deformation and stress of intracellular structures in osteocyte were altered with ciliary basal body,indicated the connection between the basal body and cytoskeleton may be a key factor that affected the mechanical transport in osteocytes across the cell *** finally promoted the adaptive change of ciliary length under FSS.

关键词： Primary cilia Osteocyte model Finite element analysis Mechanotransduction

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Cloud-Model-Based Feature Engineering to Analyze the Energy-Water Nexus of a Full-Scale Wastewater Treatment Plant

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Engineering 2024年第5期36卷 63-75页

作者： Shan-Shan Yang Xin-Lei Yu Chen-Hao Cui Jie ding Lei He Wei Dai han-Jun Sun Shun-Wen Bai Yu Tao Ji-Wei Pang Nan-Qi Ren State Key Laboratory of Urban Water Resource and Environment Harbin Institute of TechnologyHarbin 150000China Key Laboratory of Environmental Biotechnology Research Center for Eco-Environmental SciencesChinese Academy of SciencesBeijing 100085China School of Civil and Environmental Engineering Harbin Institute of Technology(Shenzhen)Shenzhen 518055China China Energy Conservation and Environmental Protection Group Beijing 100089China

Wastewater treatment plants(WWTPs)are important and energy-intensive municipal *** energy consumption and relatively low operating performance are major challenges from the perspective of carbon ***,water-energy nexus analysis and models for WWTPs have rarely been reported to *** this study,a cloud-model-based energy consumption analysis(CMECA)of a WWTP was conducted to explore the relationship between influent and energy consumption by clustering its influent’s *** principal component analysis(PCA)and K-means clustering were applied to classify the influent condition using water quality and volume *** energy consumption of the WWTP is divided into five standard evaluation levels,and its cloud digital characteristics(CDCs)were extracted according to bilateral constraints and golden ratio *** results showed that the energy consumption distribution gradually dispersed and deviated from the Gaussian distribution with decreased water concentration and *** days with high energy efficiency were extracted via the clustering method from the influent category of excessive energy consumption,represented by a compact-type energy consumption distribution curve to identify the influent conditions that affect the steady distribution of energy *** local WWTP has high energy consumption with 0.3613 kW·h·m^(-3)despite low influent concentration and volumes,across four consumption levels from low(I)to relatively high(IV),showing an unsatisfactory operation and management *** average oxygenation capacity,internal reflux ratio,and external reflux ratio during high energy efficiency days recognized by further clustering were obtained(0.2924-0.3703 kg O_(2)·m^(-3),1.9576-2.4787,and 0.6603-0.8361,respectively),which could be used as a guide for the days with low energy ***,this study offers a water-energy nexus analysis method to identify influent conditions with operational manageme

关键词： Wastewater treatment plants Cloud-model theory Data mining Principal component analysis K-means clustering Cloud-model-based energy consumption analysis

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Recovery of cathode copper and ternary precursors from CuS slag derived by waste lithium-ion batteries:Process analysis and evaluation

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Chinese Chemical Letters 2024年第7期35卷 178-182页

作者： Yun Wei Lei Zhou Wenbin Hu Liming Yang Guang Yang Chaoqiang Wang Hui Shi Fei han Yufa Feng Xuan ding Penghui Shao Xubiao Luo National-Local Joint Engineering Research Center of Heavy Metals Pollutants Control and Resource Utilization Nanchang Hangkong UniversityNanchang 330063China School of Life Science Jinggangshan UniversityJi’an 343009China CAS Key Laboratory of Green Process and Engineering National Engineering Research Center of Green Recycling for Strategic Metal ResourcesInstitute of Process EngineeringChinese Academy of SciencesBeijing 100190China Biomass Molecular Engineering Center and Anhui Provincial Key Laboratory of Microbial Pest Control Anhui Agricultural UniversityHefei 230036China Jiangxi Ganfeng Recycling Technology Co.LTD. Xinyu 338004China

The efficient and environmentally friendly recycling technology of waste residue that including abundant heavy metal produced during the recovery of lithium batteries has become a research ***,a novelty process of acid leaching-selective electrodeposition-deep impurity removal-regeneration was proposed to recovery of the CuS slag,which has been efficient transferred to high purity cathode copper and commercially available ternary *** cathode with a purity of 99.67%was prepared under electrochemical reaction conditions at-0.55 V for 2 h.A novel impurity remover-Mn powder,which was used to remove the residual impurities and as a feedstock for the ternary ***,NCM523 was regenerated by *** process is superior to the traditional process in economy,energy consumption,CO_(2)emissions,product purity and process *** study provides a new approach for solid waste recovery and precious metal enrichment.

关键词： CuS slag Electrodeposition Cathode copper Ternary precursor Solid waste recovery

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Recent advances in memristors based on two-dimensional ferroelectric materials

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Frontiers of physics 2024年第1期19卷 195-218页

作者： Wenbiao Niu Guanglong ding Ziqi Jia Xin-Qi Ma JiYu Zhao Kui Zhou Su-Ting han Chi-Ching Kuo Ye Zhou Institute for Advanced Study Shenzhen UniversityShenzhen 518060China College of Electronics and Information Engineering Shenzhen UniversityShenzhen 518060China Institute of Organic and Polymeric Materials Research and Development Center of Smart Textile TechnologyTaipei University of TechnologyTaipei 10608TaiwanChina

In this big data era, the explosive growth of information puts ultra-high demands on the data storage/computing, such as high computing power, low energy consumption, and excellent stability. However, facing this challenge, the traditional von Neumann architecture-based computing system is out of its depth owing to the separated memory and data processing unit architecture. One of the most effective ways to solve this challenge is building brain inspired computing system with in-memory computing and parallel processing ability based on neuromorphic devices. Therefore, there is a research trend toward the memristors, that can be applied to build neuromorphic computing systems due to their large switching ratio, high storage density, low power consumption, and high stability. Two-dimensional (2D) ferroelectric materials, as novel types of functional materials, show great potential in the preparations of memristors because of the atomic scale thickness, high carrier mobility, mechanical flexibility, and thermal stability. 2D ferroelectric materials can realize resistive switching (RS) because of the presence of natural dipoles whose direction can be flipped with the change of the applied electric field thus producing different polarizations, therefore, making them powerful candidates for future data storage and computing. In this review article, we introduce the physical mechanisms, characterizations, and synthetic methods of 2D ferroelectric materials, and then summarize the applications of 2D ferroelectric materials in memristors for memory and synaptic devices. At last, we deliberate the advantages and future challenges of 2D ferroelectric materials in the application of memristors devices.

关键词： two-dimensional ferroelectric materials synthesis strategies memristors artificial synapses

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Fecal microbiota transplantation from blueberry and blackberry anthocyanins-supplemented mice ameliorated metabolic syndrome by regulating gut microbiota in a high-fat diet model

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Food Science and Human Wellness 2024年

作者： Lanlan Du Xiaoqin ding Yan Chen han Chen han Lü Yanan Gai Tunyu Jian Wenlong Wu Jian Chen Weilin Li Co-Innovation Center for Sustainable Forestry in Southern China， College of Forestry， Nanjing Forestry University Jiangsu Key Laboratory for the Research and Utilization of Plant Resources， Institute of Botany， Jiangsu Province and Chinese Academy of Sciences

Blueberry anthocyanins (VA) and blackberry anthocyanins (RA) showed benefits on metabolic syndrome (MS) induced by high-fat diet in mice. In this study， we investigated whether the therapeutic effects of VA and RA were achieved by the gut microbiota regulation and whether these effects could be replicated through fecal microbiota transplantation (FMT) using the high-fat diet caused MS model in pseudo-germ-free (PGF) mice. The results demonstrated that the beneficial effects of VA and RA on MS， including reducing body weight gain and fat accumulation， improving glucose and lipid metabolism， and mitigating intestinal barrier damage， were attributed to the gut microbiota and could be replicated by FMT. 16S rRNA sequencing analysis suggested that FMT from donor mice supplemented with VA and RA could regulate the gut microbiota composition. Particularly， FMT from RA supplemented mice displayed the potential to restore the diversity of gut microbiota and the ratio of Firmicutes to Bacteroidetes. Meanwhile， FMT from VA supplemented mice appeared to exert its effects by selectively influencing specific gut microbiota， such as the genus Akkermansia. Furthermore， our analysis identified 10 common differential ASVs among groups compared to HFD-HFD group. Notably， ASV＿36450 was negatively associated with metabolic parameters， suggesting that Lactobacillus might be the potential bacteria in regulating MS. Overall， our study demonstrated that FMT from VA and RA supplemented mice could ameliorate MS induced by high-fat diet in mice through regulating specific gut microbiota.

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俞樾的运河情结及其《右台仙馆笔记》中的运河书写

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明清小说研究 2024年第2期 134-147页

作者：丁涵南开大学文学院

晚清学术宗师俞樾的《右台仙馆笔记》被公认是继纪昀的《阅微草堂笔记》之后在小说史上最重要的一部文言笔记小说。该作品中丰富多样的运河书写,对运河本身及沿岸城乡的自然风光和人文风貌均有广泛且生动的描写和细致且深邃的反思。这... 详细信息

晚清学术宗师俞樾的《右台仙馆笔记》被公认是继纪昀的《阅微草堂笔记》之后在小说史上最重要的一部文言笔记小说。该作品中丰富多样的运河书写,对运河本身及沿岸城乡的自然风光和人文风貌均有广泛且生动的描写和细致且深邃的反思。这与作者因其成长环境和生活经历所形成的运河情结息息相关,而俞樾对运河抱有的熟悉、热爱和怀念的浓重运河情结也深刻影响了小说内的素材选择、故事选址、人物分布、情节转换和价值判断。因此,《右台仙馆笔记》不仅具有珍贵的运河文化之文献价值,还蕴含着典型的以运河为主要背景的小说之研究意义。

关键词：俞樾《右台仙馆笔记》运河情结运河书写

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论汉晋“势体文”的成立与隐退

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南开学报（哲学社会科学版） 2024年第4期 60-71页

作者：丁涵南开大学文学院天津300071

“势”原是一种内涵丰富的书学专论文体。汉末至西晋期间,“势体文”从初兴直至鼎盛具备了特定的历史条件:一是书体和文体大备;二是书论和文论昌明。作为早期书学和文学交汇发展的产物,势体文不但显著地标志着书学史上书法艺术的提升和... 详细信息

“势”原是一种内涵丰富的书学专论文体。汉末至西晋期间,“势体文”从初兴直至鼎盛具备了特定的历史条件:一是书体和文体大备;二是书论和文论昌明。作为早期书学和文学交汇发展的产物,势体文不但显著地标志着书学史上书法艺术的提升和书法审美的自觉,而且集中地反映了文学史上文体意识的进步和文体理论的成熟。此外,它由盛而衰的轨迹还可折射出其时书风移变和文体竞争的影响,从而为观照中古“技艺”文体兴衰浮沉现象背后的复杂原因提供合理的解释和参考。

关键词： “势” 书体 “技艺”文体书学史和文学史

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Adsorption and separation technologies based on supramolecular macrocycles for water treatment

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Eco-Environment & Health 2024年第3期3卷 381-391页

作者： Qian Lin Xiaolong ding Yuansheng Hou Wajahat Ali Zichen Li Xinya han Zhen Meng Yue Sun Yi Liu School of Chemistry and Chemical Engineering Anhui University of TechnologyMaanshan 243002China State Key Laboratory of Separation Membrane and Membrane Process School of ChemistryTiangong UniversityTianjin 300387China QingHai Salt Lake Industry Co.Ltd. Golmud 816099China Department of Chemistry University of BaltistanSkardu 16100Pakistan School of Chemistry and Chemical Engineering Nanjing UniversityNanjing 210023China

The escalating challenges in water treatment,exacerbated by climate change,have catalyzed the emergence of innovative *** adsorption separation and membrane filtration methodologies,achieved through molecular structure manipulation,are gaining traction in the environmental and energy *** technologies,integral to both the chemical industry and everyday life,encompass concentration and purification ***,recognized as porous materials,have been prevalent in water treatment due to their inherent benefits:stability,adaptability,and facile *** structures typically exhibit high selectivity and reversibility for specific ions or molecules,enhancing their efficacy in water purification *** progression of purification methods utilizing macrocyclic frameworks holds promise for improved adsorption separations,membrane filtrations,resource utilization,and broader water treatment *** review encapsulates the latest breakthroughs in macrocyclic host-guest chemistry,with a focus on adsorptive and membrane *** aim is to spotlight strategies for optimizing macrocycle designs and their subsequent implementation in environmental and energy endeavors,including desalination,elemental extraction,seawater energy harnessing,and sustainable ***,this review can guide the design and functionality of macrocycles,offering a significantly promising pathway for pollutant removal and resource utilization.

关键词： Environmental pollution Water treatment Supramolecular macrocycles Membrane separation

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射频电场缀饰下铯Rydberg原子的电磁感应透明光谱

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物理学报 2024年第11期73卷 119-125页

作者：韩玉龙刘邦张侃孙金芳孙辉丁冬生安徽信息工程学院通识教育与外国语学院芜湖241003 中国科学技术大学中国科学院量子信息重点实验室合肥230026

采用全红外光激发Rydberg原子的方案,选择探测光(852 nm)、缀饰光(1470 nm)和耦合光(780 nm),利用三光子激发方式实现了Cs原子Rydberg态(49P_(3/2))的制备.实验上,观测到射频电场作用下|7S_(1/2)?→|49P_(3/2)?Rydberg跃迁形成的电磁感... 详细信息

采用全红外光激发Rydberg原子的方案,选择探测光(852 nm)、缀饰光(1470 nm)和耦合光(780 nm),利用三光子激发方式实现了Cs原子Rydberg态(49P_(3/2))的制备.实验上,观测到射频电场作用下|7S_(1/2)?→|49P_(3/2)?Rydberg跃迁形成的电磁感应透明(EIT)效应,实现对Rydberg原子的光学探测,根据EIT光谱的变化来探究射频电场的幅度和频率对光谱的影响.研究表明,随着射频电场幅度的增强,观察到光谱现象从越发明显的ac Stark能移逐步过渡到复杂混合态的多个调制边带,并根据EIT主峰的频移进一步讨论频率对铯泡中电场屏蔽的影响.采用将低频电场调制到射频电场的方式,实现了基于Rydberg原子的50 Hz—1 kHz范围内电场解调,并对解调信号的幅度和频率进行拟合,保真度达到95%.研究结果对Rydberg原子射频光谱探测和低频电场的可溯源测量等提供有价值的参考.

关键词： Rydberg原子电磁感应透明光谱射频电场 ac Stark能移

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