检索结果-南通市图书馆

Synchronous organic-inorganic co-intercalated ammonium vanadate cathode for advanced aqueous zinc-ion batteries

Journal of Energy Chemistry 2024年第7期94卷 608-617页

作者： Wenpei Kang bingchen Zhang Zhurui Wang Zhengchunyu Zhang Mang Niu Xuguang An Zhenkai Mou Xiaoyu Fan Xuqiang Hu Baojuan Xi Shenglin Xiong School of Materials Science and Engineering China University of Petroleum(East China)Qingdao 266580ShandongChina School of Chemistry and Chemical Engineering Shandong UniversityJinan 250100ShandongChina State Key Laboratory of Bio-fibers and Eco-textiles Institute of Biochemical Engineering College of Materials Science and EngineeringQingdao UniversityQingdao 266071ShandongChina School of Mechanical Engineering Chengdu UniversityChengdu 610106SichuanChina Received 1 February 2024Revised 1 March

Vanadium-based cathode materials are attractive for aqueous zinc-ion batteries(AZIBs)owing to the high capacity from their open frameworks and multiple ***,the cycle stability and rate capability are still restricted by the low electrical conductivity and trapped diffusion ***,we propose an organic-inorganic co-intercalation strategy to regulate the structure of ammonium vanadate(NH_(4)V_(4)O_(10),NVO).The introduction of Al^(3+)and polyaniline(PANI)induces the optimized layered structure and generation of urchin-like hierarchical construction(AP-NVO),based on heterogeneous nucleation and dissolution-recrystallization growth *** to these favorable features,the AP-NVO electrode delivers a desirable discharge capacity of 386 mA h g^(-1) at 1.0 A g^(-1),high-rate capability of 263 mA h g^(-1 )at 5.0 A g^(-1) and excellent cycling stability with 80.4%capacity retention over 2000 cycles at 5.0 A g^(-1).Such satisfactory electrochemical performance is believed to result from the enhanced reaction kinetics provided by the stable layered structure and a high intercalation pseudo-capacitance *** results could provide enlightening insights into the design of layered vanadium oxide cathodematerials.

关键词： Ammonium vanadate bronze Co-pre-intercalation Urchin-like hierarchical structure Aqueous zinc-ion batteries

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Effects of Polygala fallax Hemsl Water Extract on a Mouse Model of gastric Motility Disorders

引用

Medicinal Plant 2024年第4期15卷 101-106页

作者： lia.gyin ZHU Xiaofeng HAO Liuqi HUANg Zongyuan CHEN Wenfeng CHEN Liu YANg bingchen HUANg Liyuan LI Aipeng LI Suoyi HUANg Xiuzhen SU School of Clinical Medicine Youjiang Medical University for NationalitiesBaise 533000China Key Laboratory of guangxi Universities on National Medicine in Youjiang River Youjiang Medical University for NationalitiesBaise 533000China School of Pharmacy Youjiang Medical University for NationalitiesBaise 533000China Institute of Life Sciences Youjiang Medical University for NationalitiesBaise 533000China

[Objectives]To explore the effects of Polygona fallax Hemsl water extract on gastrointestinal motility in normal mice and gastric motility disorder model mice and approximate mechanism.[Methods]Using normal mice and mice with gastric motility disorders(modeled with atropine),the effects of different mass concentration groups of *** Hemsl water extract(0.125,0.250,0.500 g/mL)and domperidone groups on gastric residual rate,small intestine propulsion rate,serum motilin(MLT),vasoactive intestinal peptide(VIP),and tissue morphology were studied.[Results]There was a highly significant difference(Pg the different concentration groups of *** Hemsl water extract compared to the blank *** small intestine propulsion rate and gastric residue rate of semi-solid paste were statistically significant compared to the blank group(Pg them,there was a highly significant difference between the high concentration group(67.75%±7.65%,46.5%±10.62%)and the medium concentration group(60.90%±5.87%,59.27%±7.82%)(Pgnificance in normal mouse serum MLT content in the high concentration group(Pgy of stomach and intestinal tissues of normal *** small intestine propulsion rate and gastric residue rate of liquid and semi-solid paste in mice with gastric motility disorders were statistically significant compared to the atropine group,with extremely significant differences(Pg effect on gastrointestinal *** of the specific mechanisms by which *** Hemsl promotes gastrointestinal motility in normal mice may be related to the content of MLT in mouse *** mechanism of action in atropine induced gastric paresis mice may be related to the reactivation of M receptors,and the action mechanism of *** Hemsl d

关键词： Polygala fallax Hemsl gastric motility Mouse model gastric emptying gastric paresis Motilin Vasoactive intestinal peptide

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Ca^(2+) binding to the C_(2)E domain of otoferlin is required for hair cell exocytosis and hearing

引用

Protein & Cell 2024年第4期15卷 305-312页

作者： Han Chen Mehar Monga Qinghua Fang Loujin Slitin Jakob Neef Shashank S.Chepurwar Regina Célia Mingroni Netto Karina Lezirovitz Alfredo Tabith,Jr. Fritz Benseler Nils Brose Kathrin Kusch Carolin Wichmann Nicola Strenzke Barbara Vona Julia Preobraschenski Tobias Moser Institute for Auditory Neuroscience and InnerEarLab University Medical Center Göttingen37075 GöttingenGermany Collaborative Research Center 889 University of Göttingen37075 GöttingenGermany Auditory Neuroscience and Synaptic Nanophysiology group Max Planck Institute for Multidisciplinary Sciences37075 GöttingenGermany göttingen graduate Center for Neurosciences Biophysics and Molecular BiosciencesUniversity of Göttingen37075 GöttingenGermany Biochemistry of Membrane Dynamics group Institute for Auditory NeuroscienceUniversity Medical Center Göttingen37075 GöttingenGermany Molecular Architecture of Synapses group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Center for Biostructural Imaging of Neurodegeneration University Medical Center Göttingen37075 GöttingenGermany Auditory Systems Physiology group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Departamento de genética e Biologia Evolutiva Centro de Pesquisas sobre o Genoma Humano e Células-TroncoInstituto de BiociênciasUniversidade de São PauloSão Paulo 05508-220Brazil Laboratório de Otorrinolaringologia/LIM32 Faculdade de MedicinaHospital das ClínicasUniversidade de São PauloSão PauloSP 05508-220Brazil DERDIC Pontifícia Universidade Católica de São PauloSão Paulo 05508-220Brazil Department of Molecular Neurobiology Max Planck Institute for Multidisciplinary Sciences37075 GöttingenGermany Multiscale Bioimaging Cluster of Excellence(MBExC) University of Göttingen37075 GöttingenGermany Functional Auditory genomics group Auditory Neuroscience and Optogenetics LaboratoryGerman Primate Center37077 GöttingenGermany Hearing genomics group Institute for Auditory Neuroscience and InnerEarLabUniversity Medical Center Göttingen37075 GöttingenGermany Institute of Human genetics University Medical Center Göttingen37075 GöttingenGermany

Dear Editor,Afferent synapses of cochlear inner hair cells(IHCs)employ a unique molecular machinery(see extended background in Supplementary Materials).Otoferlin is a key player in this machinery and its defects cause human auditory synaptopathy(Moser and Starr,2016).Otoferlin,a tail-anchored(Vogl et al.,2016)multi-C_(2)-domain protein(Fig.1Ai)specific to hair cells(Roux et al.,2006),is a member of the ferlin protein family involved in membrane trafficking and repair that are of major disease relevance(Pangršičet al.,2012),also see Supplementary *** is distributed broadly within IHCs(Fig.2Ai-Aiii;Pangrsic et al.,2010;Roux et al.,2006).

关键词： auditory hair

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Structure and oxygen-defect regulation of hydrated vanadium oxide for enhanced zinc ion storage via interlayer doping strategy

引用

Nano Research 2023年第5期16卷 6094-6103页

作者： bingchen Zhang Xihao Han Wenpei Kang Daofeng Sun School of Materials Science and Engineering China University of Petroleum(East China)Qingdao 266580China

Hydrated vanadium oxide(VOH)is a promising cathode candidate for the aqueous zinc-ion batteries(AZIBs),due to the large interlayer spacing and high ***,severe pulverization and structure collapse upon cycling limit its practical ***,preintercalation strategy with higher positive charge of Cr^(3+) is proposed to regulate the structure and oxygen defect of the VOH-O_(d).The VOH-O_(d) with moderated amount of Cr^(3+) incorporation(M-CrVOH-O_(d)),showing a flower-like hierarchical structure assembled with thin nanosheets,can expand the interlayer spacing and increase the oxygen defect,inducing an enhanced high-rate cycling *** a result,M-CrVOH-O_(d) delivers a high capacity of 405 mAh·g^(−1)at 0.5 A·g^(−1),high capacity retention of 120%over 3,500 cycles,as well as an extraordinary energy output(297.3 Wh·kg^(−1)at 355.9 W·kg^(−1)).The density functional theory(DFT)calculations can prove the enhanced reaction kinetics with narrower bandgap and lower Zn^(2+) adsorption energy after the ***,based on the ex-situ X-ray diffraction(XRD)analysis,synergistic intercalation of the Zn^(2+)/H^(+)into the interlayers of M-CrVOH-O_(d) can bring the high specific *** work could help us understand the enhanced performance of VOH from the point of the chemical reactions.

关键词： hydrated vanadium oxide preintercalation cathode aqueous zinc-ion batteries

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

基于高通量测序技术的老化油泥对大庆油田土壤细菌多样性的影响

引用

青岛科技大学学报（自然科学版） 2024年第3期45卷 60-68页

作者：王卉卉匡少平王炳辰青岛科技大学环境与安全工程学院山东青岛266042

采集大庆油田不同泥龄老化油泥污染土壤样本,采用高通量测序技术对样本细菌多样性特征开展研究,结合土壤理化性质分析,揭示老化油泥对大庆油田土壤细菌多样性的影响效应,并筛选确定样本中的优势特色耐油菌,为老化油泥污染土壤的原位微... 详细信息

采集大庆油田不同泥龄老化油泥污染土壤样本,采用高通量测序技术对样本细菌多样性特征开展研究,结合土壤理化性质分析,揭示老化油泥对大庆油田土壤细菌多样性的影响效应,并筛选确定样本中的优势特色耐油菌,为老化油泥污染土壤的原位微生物修复提供理论依据和数据支持。理化性质分析结果表明,污染土壤pH值下降,由碱性(8.44)变为中性(7.47~7.85),总有机碳(TOC,20.12~28.35g·kg^(-1))和总石油烃(TPHs,2475~2955 mg·kg^(-1))含量均显著升高,有效磷(AP)和有效氮(AN)急剧降低。Illumina Miseq高通量测序结果显示,老化油泥对土壤细菌多样性和群落结构具有显著影响。土壤受老化油泥污染后,厚壁菌减少了约85%,变形菌(Proteobacteria)和芽单胞菌(gemmatimonadetes)的相对丰度显著增加至46.63%±4.65%和14.11%±1.53%,且污染时间越长,对变形菌的促进作用越大。细菌科和属水平凸显了Woeseiaceae(γ-变形菌)和JTB255-MBg(变形菌门-Woeseiaceae菌科)的丰度增长,且其相对丰度与油泥污染时间呈显著正相关。高通量测序结果揭示,老化油泥污染一方面抑制了土壤中许多重要细菌的生长,另一方面也衍生和促进了具有耐油特性的其他细菌的生长发育。其中,变形菌门是石油污染土壤中最主要的优势菌门,它与所包含的耐油细菌科、属形成了“变形菌门-Woeseiaceae菌科-JTB255-MBg菌属”的优势耐油细菌群落结构。本研究成果可为老化油泥污染土壤的原位微生物修复提供理论依据与支持。

关键词：高通量测序细菌多样性老化油泥土壤

来源：

维普期刊数据库

同方期刊数据库博看期刊评论

在线全文

学校读者我要写书评

暂无评论

An easy,accurate and efficient procedure to create forest fire risk maps using the SEXTANTE plugin Modeler

引用

Journal of Forestry Research 2016年第6期27卷 1361-1372页

作者： lia Duarte Ana Claudia Teododo Earth Sciences Institute(ICT) University of PortoRua Campo Alegre4169-007 PortoPortugal Department of geosciences Environment and Land PlanningFaculty of SciencesUniversity of PortoRua Campo Alegre4169-007 PortoPortugal

To prevent, detect, and protect against forest fires, forest personnel need to define rules for determining forest fire risk. In Portugal, all municipalities must annually produce forest fire risk （FFR） maps. To produce more reliable FFR maps more easily, we developed an open source model using the Modeler plugin of SEXTANTE in the program QgIS version 2.0 Dufour. The model provides all the maps involved in the FFR model （susceptibility map, hazard map, vulnerability map, economic value map, and potential loss map） and was produced according to Portuguese Forest Authority＇s （AFN, Autoridade Florestal Nacional） rules for determining the FFR. This model was tested for the Portuguese municipality Santa Maria da Feira, where 40 % of the total municipality area falls in the category ＂very high＂ or ＂high＂ fire risk. The ＂very high＂ fire risk area is mainly classified as broad-leaved forest and has the steepest slopes （〉15 %）. The distance of burned areas to roads was also analyzed; the proportion of burned areas increased with increasing distance to the main roads. In addition, 92.6 % of the ＂high＂ and ＂very high＂ risk zones were located in areas with lower elevation. These results confirmed that forest fire is strongly influenced not only by environmental factors but also by anthropogenic factors. The procedure implemented here was compared with our open source application already available in QgIS and also to the same procedure implemented in gIS pro- prietary software. Although the results were obviously the same, the model developed here presents several advan- tages over the other two approaches. Besides being faster, it is easy to change the model parameters according to user needs （i.e., to the rules of different countries）, and can be modified and adapted to other variables and other areas to create risk maps for different natural phenomena （e.g., floods, earthquakes, landslides）. The model is easy to use and to create risk and hazard maps rapidly in a free, open

关键词： Forest fire risk (FFR) maps SEXTANTE Modeler. QgIS Open source

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Electrical field tuning of magneto-Raman scattering in monolayer graphene

引用

Nano Research 2015年第4期8卷 1139-1147页

作者： Xiaonan Shen Caiyu Qiu bingchen Cao Chunxiao Cong Weihuang Yang Haomin Wang Ting Yu Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 637371 Singapore Singapore Wenzhou Institute of Biomaterials and Engineering Wenzhou 325001 China Department of Physics Faculty of Science National University of Singapore 117542 Singapore Singapore graphene Research Center Faculty of Science National University of Singapore 117546 Singapore Singapore

In this work, we report the electrical field tuning of magneto-phonon resonance in monolayer graphene under magnetic fields up to 9 T. It is found that the carrier concentration can drastically affect the g （E2g） phonon response to a varying magnetic field through a pronounced magneto-phonon resonance （MPR）. In charge neutral or slightly doped monolayer graphene, both the energy and the line width of the E2g phonon show clear variation with magnetic fields. This is attributed to magneto-phonon resonance between magnetoexcitations and the E2g phonons. In contrast, when the Fermi level of the monolayer graphene is far away from the Dirac point, the g band shows weak magnetic dependence and exhibits a symmetric line-shape. This suggests that the magneto-phonon coupling around 4 T has been switched off due to the Pauli blocking of the inter-Landau level excitations. Moreover, the g band asymmetry caused by Fano resonance between excitonic many-body states and the E2g phonons is observed. This work offers a way to study the magnetoexcitation phonon interaction of materials through magneto-Raman spectroscopy with an external electrical field.

关键词： monolayer graphene magneto-phononresonance Raman electrical field suspended graphene

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Remarkable anisotropic phonon response in uniaxially strained few-layer black phosphorus

引用

Nano Research 2015年第12期8卷 3944-3953页

作者： Yanlong Wang Chunxiao Cong Ruixiang Fei Weihuang Yang Yu Chen bingchen Cao Li Yang Ting Yu Division of Physics and Applied Physics School of Physical and Mathematical Sciences Nanyang Technological University 637377 Singapore Department of Physics Washington University in St. Louis St. Louis Missouri 63130 USA Department of Physics Faculty of Science National University of Singapore 117542 Singapore

Black phosphorus （BP） is a good candidate for studying strain effects on two- dimensional （2D） materials beyond graphene and transition-metal dichalcogenides. This is because of its particular ability to sustain high strain and remarkably anisotropic mechanical properties resulting from its unique puckered structure. We here investigate the dependence of lattice vibrational frequencies on cry- stallographic orientations in uniaxially strained few-layer BP by in-situ strained Raman spectroscopy. The out-of-plane A1 mode is sensitive to uniaxial strain along the near-armchair direction whereas the in-plane B2g and A2 modes are sensitive to strain in the near-zigzag direction. For uniaxial strains applied away from these directions, all three phonon modes are linearly redshifted. Our experimental observation is explained by the anisotropic influence of uniaxial tensile strain on structural properties of BP using density functional theory. This study demonstrates the possibility of selective tuning of in-plane and out-of-plane phonon modes in BP by uniaxial strain and makes strain engineering a promising avenue for extensively modulating the optical and mechanical properties of 2D materials.

关键词： black phosphorus uniaxial strain Raman spectroscopy anisotrop density functional theory

来源：

维普期刊数据库评论

在线全文

维普期刊数据库

学校读者我要写书评

暂无评论

Hard carbon derived from coconut shells,walnut shells,and corn silk biomass waste exhibiting high capacity for Na-ion batteries

引用

Journal of Energy Chemistry 2021年第7期30卷 207-218页

作者： Cristina Nita Biao Zhang Joseph Dentzer Camélia Matei ghimbeu Universitéde Haute-Alsace Institut de Science des Matériaux de Mulhouse(IS2M)CNRS UMR 7361F-68100 MulhouseFrance Universitéde Strasbourg F-67081 StrasbourgFrance Center for Advanced Laser Technologies(CETAL) National Institute for LasersPlasma and Radiation PhysicsAtomistilor 409 bisRO-77125 MagureleRomania Department of Applied Physics The Hong Kong Polytechnic UniversityKowloonHong KongChina Réseau sur le Stockage Electrochimique de l’Energie(RS2E) CNRS FR345933 Rue Saint Leu80039 Amiens CedexFrance

In recent years,hard carbon materials have gained significant interest as anode materials for Na-ion *** waste is considered one of the most interesting,renewable,available,and cost-effective precursor to obtain hard carbon(HC);however,HC properties must be finely tuned to achieve performance comparable to those provided by Li-ion *** this work,three biomass wastes(coconut shells,walnut shells,and corn silk) were evaluated as potential precursors for HC preparation involving a pyrolysis process and subsequent acid washing to remove the inorganic *** obtained materials exhibited low and similar specific surface areas(g^(-1)), but they presented different structures and surface *** walnut shell HC possessed a lower amount of inorganic impurities and oxygen-based functional groups compared to the coconut shell and corn silk HCs,leading to higher initial coulombic efficiency(iCE).The structural organization was higher in the case of the walnut shell HC,while the corn silk HC revealed a heterogeneous structure combining both highly disordered carbon and localized graphitized *** HCs delivered high initial reversible capacities between 293 and 315 mAh g^(-1) at 50 mA g^(-1) current rate,which remained rather stable during long-term *** best capacity(293 mAh g^(-1) after 100 charge/discharge cycles) and highest capacity retention(93%) was achieved in walnut HCs in half-cells,which could be associated with its higher sp2 C content,better organized structure,and fewer *** "adsorption-insertion" Na storage mechanism is suggested based on several *** walnut HCs exhibited an attractive energy density of 279 Wh/kg when tested in full cells.

关键词： Biomass Pyrolysis Hard carbon Anode Na-ion batteries Energy storage

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

L-proline feeding for augmented freeze tolerance of Camponotus japonicus Mayr

引用

Science Bulletin 2019年第23期64卷 1795-1804页

作者： Mengjia Dou Yazhou Li Ziqiao Sun Lei lia Wei Rao C4S Key Laboratory of Cryogenics Technical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190China School of Engineering Science University of Chinese Academy of SciencesBeijing 100049China School of Energy and Power Engineering Beihang UniversityBeijing 100191China Beijing Engineering Research Center of Sustainable Energy and Buildings Beijing University of Civil Engineering and ArchitectureBeijing 100044China School of Future Technology University of Chinese Academy of SciencesBeijing 100049China Beijing Key Laboratory of Cryo-Biomedical Engineering Beijing 100190China

The successful cryopreservation of organs is a strong and widespread demand around the world but faces great challenges. The mechanisms of cold tolerance of organisms in nature inspirit researchers to find new solutions for these challenges. Especially, the thermal, mechanical, biological and biophysical changes during the regulation of freezing tolerance process should be studied and coordinated to improve the cryopreservation technique and quality of complex organs. Here the cold tolerance of the Japanese carpenter ants, Camponotus japonicus Mayr, was greatly improved by using optimal protocols and feeding on L-proline-augmented diets for 5 days. When cooling to -27.66 ℃, the survival rate of frozen ants increased from 37.50% ± 1.73% to 83.88% ± 3.67%. Profiling of metabolites identified the concentration of whole-body L-proline of ants increased from 1.78 to 4.64 ng g-1 after 5-day feeding. High Lproline level, together with a low rate of osmotically active water and osmotically inactive water facilitated the prevention of cryoinjury. More importantly, gene analysis showed that the expression of ribosome genes was significantly up-regulated and played an important role in manipulating freezing tolerance. To the best of our knowledge, this is the first study to link genetic variation to the enhancement of ants’ cold tolerance by feeding exogenous cryoprotective compound. It is worth noting that the findings provide the theoretical and technical foundation for the cryopreservation of more complex tissues,organs, and living organisms.

关键词： L-proline Cryopreservation Freeze tolerance Metabolomics gene expression

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：