检索结果-南通市图书馆

Unraveling the Fundamental Mechanism of Interface Conductive Network Influence on the Fast‑Charging Performance of SiO‑Based Anode for Lithium‑Ion Batteries

引用

Nano-Micro Letters 2024年第3期16卷 53-68页

作者： Ruirui Zhang Zhexi Xiao Zhenkang Lin xinghao yan Ziying He Hairong Jiang Zhou yang Xilai Jia Fei Wei Beijing Key Laboratory of Green Chemical Reaction Engineering and Technology Department of Chemical EngineeringTsinghua UniversityBeijing 100084People’s Republic of China School of Materials Science and Engineering University of Science and Technology BeijingBeijing 100083People’s Republic of China Beijing Key Laboratory of Chemical Power Source and Green Catalysis School of Chemistry and Chemical EngineeringBeijing Institute of TechnologyBeijing 100081People’s Republic of China Institute of Polymer Science and Engineering Department of Chemical EngineeringTsinghua UniversityBeijing 100084People’s Republic of China

Progress in the fast charging of high-capacity silicon monoxide(SiO)-based anode is currently hindered by insufficient conductivity and notable volume *** construction of an interface conductive network effectively addresses the aforementioned problems;however,the impact of its quality on lithium-ion transfer and structure durability is yet to be ***,the influence of an interface conductive network on ionic transport and mechanical stability under fast charging is explored for the first time.2D modeling simulation and Cryo-transmission electron microscopy precisely reveal the mitigation of interface polarization owing to a higher fraction of conductive inorganic species formation in bilayer solid electrolyte interphase is mainly responsible for a linear decrease in ionic diffusion energy ***,atomic force microscopy and Raman shift exhibit substantial stress dissipation generated by a complete conductive network,which is critical to the linear reduction of electrode residual *** study provides insights into the rational design of optimized interface SiO-based anodes with reinforced fast-charging performance.

关键词： Fast charging SiO anode Interface conductive network Ionic transport Mechanical stability

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

河南某微细粒复杂难选金矿高效回收技术研究

引用

黄金 2024年第9期45卷 41-45页

作者：高迟明梁毅王卫军张晓林闫星昊河南省第一地质矿产调查院有限公司嵩县庙岭金矿有限公司

河南某微细粒复杂难选金矿原矿品位1.2 g/t左右,选矿回收率较低。为提升选矿回收率,提高经济效益,对浮选尾矿进行工艺矿物学研究。研究发现,浮选尾矿中载金矿物主要为黄铁矿,其次为石英和长石等硅酸盐矿物,黄铁矿粒度多小于0.038mm,主... 详细信息

河南某微细粒复杂难选金矿原矿品位1.2 g/t左右,选矿回收率较低。为提升选矿回收率,提高经济效益,对浮选尾矿进行工艺矿物学研究。研究发现,浮选尾矿中载金矿物主要为黄铁矿,其次为石英和长石等硅酸盐矿物,黄铁矿粒度多小于0.038mm,主要呈细粒与脉石矿物连生或包裹于脉石矿物中,偶尔呈单体产出,单体解离度仅为4.60%,说明可以提高磨矿细度以进一步回收尾矿中金。开路试验和闭路试验发现,当磨矿细度-0.074 mm占比提高至85%,且对浮选药剂制度优化调整后,选矿回收率提高至85.86%,经济效益较好。

关键词：微细粒金矿黄铁矿磨矿细度药剂制度回收率工艺矿物学

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

Hierarchical Microphase Behaviors of Chiral Block Copolymers under Kinetic and Thermodynamic Control

引用

CCS Chemistry 2022年第7期4卷 2460-2468页

作者： Zhen Geng Huiying Wang Seon-Mi Jin xinghao yan Min Ren Bijin Xiong Ke Wang Renhua Deng Senbin Chen Eunji Lee Lianbin Zhang Jintao Zhu Zhenzhong yang State Key Laboratory of Materials Processing and Die&Mould Technology Key Laboratory of Materials Chemistry for Energy Conversion and Storage of Ministry of EducationSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan 430074 School of Materials Science and Engineering Gwangju Institute of Science and Technology(GIST)Gwangju 61005 Institute of Polymer Science and Engineering Department of Chemical EngineeringTsinghua UniversityBeijing 100084

Chiral superstructures in confined spaces are subtly affected by the complex interplay among various noncovalent interactions,details of which are still in adequately ***,we report the threedimensional confined assembly of the chiral block copolymers of polystyrene-block-poly(D-lactide)andits enantiomer in emulsion droplets and demonstrate unprecedented successive microphase transformations from single helices to double helices with inverted helicity,and then to twisted cylinders in the constructedcolloidal *** structural transformations of chiral microphases are kinetically dependent and can further transform into thermodynamically stable achiral cylinders with saddle-shaped topology upon solvent *** formation and subsequent structural transformations as well as thefinal degeneration of chiral architectures provide guidance to understand the chiral evolution at different length scales within spherical confined space and to fabricate biomimetic systems.

关键词： chiral block copolymers helical structures confined assembly kinetic control mesoporous chiral nanochannels

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

基于太赫兹光谱的华法林钠快速定性定量检测

引用

中国激光 2024年第3期51卷 169-176页

作者：吴静吴旭黄星皓李嘉伟张金晶彭滟陆林上海理工大学健康科学与工程学院上海200093 上海理工大学光电信息与计算机工程学院上海200093 上海交通大学医学院附属瑞金医院心内科上海200025

华法林钠是肺栓塞治疗中最常用的口服抗凝药。为制定个性化给药方案,急需建立快速、经济、准确的定量检测技术。利用太赫兹(THz)光谱的分子指纹识别特性,建立华法林钠快速定性定量分析方法。首先,通过实验获得华法林钠THz特征吸收谱,结... 详细信息

华法林钠是肺栓塞治疗中最常用的口服抗凝药。为制定个性化给药方案,急需建立快速、经济、准确的定量检测技术。利用太赫兹(THz)光谱的分子指纹识别特性,建立华法林钠快速定性定量分析方法。首先,通过实验获得华法林钠THz特征吸收谱,结合密度泛函理论量化计算,明确该药物在10~16 THz内的分子运动模式,从分子基团层面建立定性识别方法。接着,对不同浓度的华法林钠水溶液进行THz检测,分析THz特征峰峰高和峰下面积与药物浓度之间的相关性,建立了双指标的华法林钠定量检测方法。最低检测限达到0.01 nmol/mL,低于人的血浆中的华法林浓度,检测耗时小于10 min。所提方法为华法林钠定量检测提供了一种快速、准确的新技术,有助于推动华法林钠血药浓度监测技术的发展。

关键词：医用光学华法林钠太赫兹光谱定性检测定量检测密度泛函理论

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

A low-diffusion robust flux splitting scheme towards wide-ranging Mach number flows

引用

Chinese Journal of Aeronautics 2021年第5期34卷 628-641页

作者： Shusheng CHEN Fangjie CAI xinghao XIANG Zhenghong GAO Chao yan School of Aeronautics Northwestern Poly technical UniversityXi'an 710072China AVIC The First Aircraft Institute Xi'an 710089China China Academy of Launch Vehicle Technology Beijing 100076China State Key Laboratory of Aerodynamics China Aerodynamics Research and Development CenterMianyang 621000China School of Aeronautic Science and Engineering Beihang UniversityBeijing 100083China

This paper develops a low-diffusion robust flux splitting scheme termed TVAP to achieve the simulation of wide-ranging Mach number *** on Toro-Vazquez splitting approach,the new scheme splits inviscid flux into convective system and pressure *** method introduces Mach number splitting function and numerical sound speed to evaluate advection ***,pressure diffusion term,pressure momentum flux,interface pressure and interface velocity are constructed to measure pressure ***,typical test problems are utilized to systematically assess the robustness and accuracy of the resulting *** stability analysis and a series of numerical cases,such as double shear-layer problem and hypersonic viscous flow over blunt cone,demonstrate that TVAP scheme achieves excellent low diffusion,shock stability,contact discontinuity and low-speed resolution,and is potentially a good candidate for wide-ranging Mach number flows.

关键词： Computational Fluid Dynamics(CFD) Flux splitting Accuracy Robustness Wide-ranging Mach number

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

Comparative study on the gut microbiotas of four economically important Asian carp species

引用

Science China(Life Sciences) 2018年第6期61卷 696-705页

作者： xinghao Li Yuhe Yu Chang Li Qingyun yan Laboratory of Protozoology Institute of Evolution and Marine Biodiversity OUC Qingdao 266003 China Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of Sciences and State Key Laboratory of Freshwater Ecology and Biotechnology Institute of HydrobiologyChinese Academy of Sciences Wuhan 430072 China Environmental Microbiomics Research Center School of Environmental Science and Engineering Sun Yat-sen University Guangzhou 510006 China

Gut microbiota of four economically important Asian carp species(silver carp, Hypophthalmichthys molitrix; bighead carp,Hypophthalmichthys nobilis; grass carp, Ctenopharyngodon idella; common carp, Cyprinus carpio) were compared using 16 S rRNA gene pyrosequencing. Analysis of more than 590,000 quality-filtered sequences obtained from the foregut, midgut and hindgut of these four carp species revealed high microbial diversity among the samples. The foregut samples of grass carp exhibited more than 1,600 operational taxonomy units(OTUs) and the highest alpha-diversity index, followed by the silver carp foregut and midgut. Proteobacteria, Firmicutes, Bacteroidetes and Fusobacteria were the predominant phyla regardless of fish species or gut type. Pairwise(weighted) UniFrac distance-based permutational multivariate analysis of variance with fish species as a factor produced significant association(P<0.01). The gut microbiotas of all four carp species harbored saccharolytic or proteolytic microbes, likely in response to the differences in their feeding habits. In addition, extensive variations were also observed even within the same fish species. Our results indicate that the gut microbiotas of Asian carp depend on the exact species, even when the different species were cohabiting in the same environment. This study provides some new insights into developing commercial fish feeds and improving existing aquaculture strategies.

关键词： Asian carp gut microbiota feeding habit pyrosequencing Hypophthalmichthys molitrix Hypophthalmichthys nobilis Ctenopharyngodon idella Cyprinus carpio

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

High Performance Soft Electrochemical Actuators Based on Hierarchical Conductive Polymer Ionogels

引用

Journal of Bionic Engineering 2023年第6期20卷 2755-2763页

作者： Hongwei Hu Shengtao Zhang yan Li xinghao Hu Lin Xu Aixin Feng Guanggui Cheng Jianning Ding Zhejiang Provincial Key Laboratory of Laser Processing Robotics College of Mechanical and Electrical EngineeringWenzhou UniversityWenzhou325035China Institute of Intelligent Flexible Mechatronics Jiangsu UniversityZhenjiang212013China School of Mechanical Engineering Jiangsu University of Science and TechnologyZhenjiang212100China School of Mechanical Engineering Yangzhou UniversityYangzhou225127China Jiangsu Collaborative Innovation Center of Photovoltaic Science and Engineering Changzhou UniversityChangzhou213164China Ruian Graduate School of Wenzhou University Ruian325207ZhejiangChina

Electrochemical actuators based on conductive polymers are emerging as a strong competitive in the field of soft actuators because of their intrinsically conformable/elastic nature,low cost,low operating voltage and air-working *** development has shown that adding electroactive materials,such as CNT and graphene,can improve their actuation *** the complex material systems used,their output strains(one of the key factors)are generally lower than 1%,which limited further applications of them in multiple ***,we report soft electrochemical actuators based on conductive polymer ionogels by embedding polyaniline particles between the PEDOT:PSS *** show that such a hierarchical structure not only leads to a high conductivity(1250 S/cm)but also improved electrochemical *** a low operating voltage of 1 V,the maximum strain of these soft actuators reaches an exceptional value of 1.5%,with a high blocking force of 1.3 *** these high-performance electrochemical actuators,we demonstrate soft grippers for manipulating object and a bionic flower stimulated by an electrical *** work sets an important step towards enabling the enhanced performance of electrochemical actuators based on conductive polymers with designed microstructures.

关键词： Conductive polymer Soft actuator Polyaniline PEDOT:PSS Bioinspired actuator

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

MicroRNAs Are Involved in Maize Immunity Against Fusarium verticillioides Ear Rot

引用

Genomics, Proteomics & Bioinformatics 2020年第3期18卷 241-255页

作者： Zijian Zhou yan Cao Tao Li xinghao Wang Jiafa Chen Hang He Wen Yao Jianyu Wu Huiyong Zhang State Key Laboratory of Wheat and Maize Crop Science Collaborative Innovation Center of Henan Grain CropsCollege of AgronomyHenan Agricultural UniversityZhengzhou 450002China State Key Laboratory of Wheat and Maize Crop Science Collaborative Innovation Center of Henan Grain CropsCollege of Life SciencesHenan Agricultural UniversityZhengzhou 450002China School of Advanced Agricultural Sciences and School of Life Sciences State Key Laboratory of Protein and Plant Gene ResearchPeking UniversityBeijing 100871China

Fusarium ear rot(FER)caused by Fusarium verticillioides is one of the most common diseases affecting maize production *** results in severe yield losses and grain contamination with health-threatening *** most studies to date have focused on comprehensive analysis of gene regulation in maize during defense responses against *** infection,less is known about the role of micro RNAs(mi RNAs)in this *** used deep sequencing to compare small RNA libraries from the maize kernels of susceptible(N6)or resistant(BT-1)inbred lines from uninfected plants and upon *** *** found that pathogen exposure was accompanied by dynamic alterations in expression levels of multiple mi RNAs,including new members of previously annotated mi RNA families.A combination of transcriptomic,degradomic,and bioinformatics analyses revealed that ***-responsive mi RNAs and their potential target genes displayed opposite expression patterns in the susceptible and resistant *** category analysis uncovered preferential enrichment of the pathogen-responsive mi RNAs and their targets in the phenylpropanoid metabolic processes,plant–pathogen interactions,and plant phytohormone signal transduction ***,transgenic maize plants overexpressing mi R408 b exhibited reduced resistance to *** infection in a susceptible maize *** findings provide new insights into the regulatory roles of mi RNAs in maize immunity against FER and new resources for breeding disease resistance into maize.

关键词： Maize MicroRNA Fusarium ear rot Deep sequencing Disease resistance

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

Degradation of tetracycline in water by gas-liquid plasma in conjunction with rGO-TiO_(2) nanocomposite

引用

Plasma Science and Technology 2021年第11期23卷 110-120页

作者： xinghao LIU Cheng CHENG Zimu XU Shuheng HU Jie SHEN yan LAN Paul K CHU Institute of Plasma Physics Chinese Academy of SciencesHefei 230031People's Republic of China College of Chemistry and Chemical Engineering Central South UniversityChangsha 410083People's Republic of China School of Resources&Environmental Engineering Hefei University of TechnologyHefei 230009People's Republic of China Department of Physics and Department of Materials Science and Engineering City University of Hong KongTat Chee AvenueKowloonHong KongPeople's Republic of China

Tetracycline(TC)is an antibiotic mainly used in livestock production and respiratory *** methods are not effective in removing TC from *** this study,TC was degraded by gas–liquid plasma in the presence of rGO-TiO_(2)in *** rGO-TiO_(2)was prepared by modified hummers and hydrothermal *** electrical and optical properties of the gas–liquid discharge plasma were studied and the produced long-lived reactive species were analyzed by *** degradation efficiency of TC was improved by 41.4%after plasma treatment for 12 min in presence of 30 mg l-1 r GO-TiO_(2)compared to that with plasma *** degradation efficiency increased with increasing discharge power,but as the initial concentration was increased from 20 to 80 mg l-1,the degradation efficiency of TC *** initial p H had no significant effect on the degradation of *** intermediate products were determined by UV–vis spectrophotometry and ESI(+)–MS,and the degradation mechanism was *** reactive species,including O_(3),·OH,and H_(2)O_(2),etc.,produced in the plasma/catalyst system attracted electron-rich functional groups(amino group,aromatic ring,and double bond).Therefore,the gas–liquid plasma/catalyst system could be an effective and promising method for pharmaceutical wastewater treatment in future.

关键词： gas-liquid plasma rGO-TiO_(2) tetracycline degradation mechanism

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

Degradation and mineralization of ciprofloxacin by gas–liquid discharge non-thermal plasma

引用

Plasma Science and Technology 2019年第1期21卷 52-62页

作者： Shuheng HU xinghao LIU Zimu XU Jiaquan WANG Yunxia LI Jie SHEN yan LAN Cheng CHENG School of Resources and Environmental Engineering Hefei University of Technology Intelligent Manufacturing Technology Research Institute Hefei University of Technology Institute of Plasma Physics Chinese Academy of Sciences Center of Medical Physics and Technology Hefei Institutes of Physical Science Chinese Academy of Sciences Anhui Province Key Laboratory of Medical Physics and Technology Hefei Institutes of Physical ScienceChinese Academy of Sciences

A typical quinolones antibiotic ciprofloxacin(CIP) in aqueous solution was degraded by a gas–liquid discharge non-thermal plasma system. The discharge plasma power and the emission intensity of the excited reactive species(RS) generated in the gas phase were detected by the oscilloscope and the optical emission spectroscopy. The effects of various parameters on CIP degradation, i.e. input powers, initial concentrations addition of radical scavengers and p H values were investigated. With the increase of discharge power, the degradation efficiency increased but the energy efficiency significantly reduced. The degradation efficiency also reduced under high concentration of initial CIP conditions due to the competitive reactions between the plasma-induced RS with the degradation intermediates of CIP. Different radical scavengers(isopropanol and CCl_4) on ·OH and H· were added into the reaction system and the oxidation effects of ·OH radicals have been proved with high degradation capacity on ***, the long-term degradation effect on CIP in the plasma-treated aqueous solution proved that the long-lived RS(H_2O_2 and O_3, etc) might play key roles on the stay effect through multiple aqueous reactions leading to production of ·OH. The degradation intermediates were determined by the method of electrospray ionization(+)-mass spectroscopy, and the possible degradation mechanism were presented.

关键词： gas-liquid plasma ciprofloxacin mineralization degradation mechanism

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：