检索结果-南通市图书馆

Conducting Polymers Meet Lithium-Sulfur Batteries:Progress,Challenges,and Perspectives

Energy & Environmental Materials 2023年第5期6卷 159-182页

作者： Xin Chen chengcheng zhao Kai Yang Shiyi Sun Jinxin Bi Ningrui Zhu Qiong Cai Jianan Wang Wei Yan Department of Environmental Science and Engineering State Key Laboratory of Multiphase Flow in Power EngineeringXi'an Jiaotong UniversityXi'an 710049China Xi'an Key Laboratory of Solid Waste Recycling and Resource Recovery Department of Environmental EngineeringXi'an Jiaotong UniversityXi'an 710049China Advanced Technology Institute University of SurreyGuildfordSurrey GU27XHUK College of Arts College of Landscape Architecture Fujian Agriculture and Forestry UniversityFuzhou 350108China Department of Chemical&Process Engineering Faculty of Engineering and Physical Sciences University of SurreyGuildford GU27XHUK

Lithium-sulfur(Li-S)batteries have attracted increased interest because of the high theoretical energy density,low cost,and environmental *** polymers(CPs),as one of the most promising materials used in Li-S batteries,can not only facilitate electron transfer and buffer the large volumetric change of sulfur benefiting from their porous structure and excellent flexibility,but also enable stronger physical/chemical adsorption capacity toward polysulfides(LiPSs)when doped with abundant heteroatoms to promote the sulfur redox kinetics and achieve the high sulfur *** review firstly introduces the properties of various CPs including structural CPs(polypyrrole(PPy),polyaniline(PANi),polyethylene dioxothiophene[PEDOT])and compound CPs(polyethylene oxide(PEO),polyvinyl alcohol(PVA)and poly(acrylic acid)[PAA]),and their application potential in Li-S ***,the research progress of various CPs in different components(cathode,separator,and interlayer)of Li-S batteries is systematically ***,the application perspective of the CPs in Li-S batteries as a potential guidance is comprehensively discussed.

关键词： conducting polymers Li-S batteries modified materials polysulfides

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

Prevention and treatment of gerbil hepatitis E using the programmable CRISPR-Cas13d system

引用

Genes & Diseases 2024年第4期11卷 94-97页

作者： chengcheng zhao Chong Lia Sa Li Hanyu Wu Pengyao Ren Tianlong Liu Xiaoxiang Hu Ran Zhang State Key Laboratory of Animal Biotech Breeding College of Biological SciencesChina Agricultural UniversityBeijing 100193China Laboratory of Veterinary Pathology and Nanopathology College of Veterinary MedicineChina Agricultural UniversityBeijing 100193China

In recent years,the global incidence of hepatitis E virus(HEV)has been rising,leading to increased morbidity and mortality associated with ***13,a CRISPR effector,shows promise as an antiviral agent against singlestranded RNA ***13d,a type VI-D effector,exhibits higher efficiency in suppressing RNA viruses compared to other type VI ***,its in vivo activity against RNA viruses in mammals remains unknown.

关键词： mortality hepatitis treatment

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

A proposed design of flow diverter and it’s hemodynamic validation

引用

Medicine in Novel Technology and Devices 2021年第1期9卷 37-44页

作者： Anqiang Sun chengcheng zhao Zujie Gao Xiaoyan Deng Hancheng Qiu School of Biological Science and Medical Engineering Beijing Advanced Innovation Centre for Biomedical EngineeringKey Laboratory for Biomechanics and Mechanobiology of Ministry of EducationBeihang UniversityBeijing100083China State Key Laboratory of Tribology Tsinghua UniversityBeijing100084China Department of Neurosurgery Beijing Tiantan HospitalCapital Medical UniversityBeijing100070China

Flow diverter intervention is a cutting-edge treatment for intracranial aneurysms by altering the flow field and reducing the pressure in the aneurysm ***,the rupture rate and complications rate are still *** this study,a new design of flow diverter based on Bernoulli’s equation was proposed and hemodynamics evaluation of it was *** numerical model of a patient specific internal carotid aneurysm was established based on computed tomography scan images(Model C).The aneurysm models with normal diverter(ND)and local stenosed diverter(LSD)were modified from the patient-specific *** blood flow characteristics were obtained and analyzed by numerical simulation while the in vitro experiments were conducted using three-dimensional printed silicone models and pressure measurement *** both ND and LSD models,the blood flow into the aneurysm have been significantly blocked by the diverters and the pressure in the aneurysm sac have been *** pressure drop and the wall shear stress on the aneurysm wall in the LSD model are higher than that in the ND *** oscillatory shear index and relative residence time in the aneurysm wall of LSD are lower than that in the ND *** pressure measurement in the vitro experiment also qualitatively verified the results of pressure comparison in the numerical *** conclusion,the simulation results and in vitro experiments verified that diverter can certainly reduce the pressure in the aneurysm,and the newly design diverter with local stenosis can strengthening this effect.

关键词： Intracranial aneurysm Diverter Hemodynamics Local stenosed diverter Pressure

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

Effect of Pd doping on CH_4 reactivity over Co_3O_4 catalysts from density-functional theory calculations

引用

Chinese Journal of Catalysis 2017年第5期38卷 813-820页

作者： chengcheng zhao Yonghui zhao Shenggang Li Yuhan Sun CAS Key Laboratory of Low‐Carbon Conversion Science and Engineering Shanghai Advanced Research Institute Chinese Academy of Sciences Shanghai 201210 China University of Chinese Academy of Sciences Beijing 100049 China School of Physical Science and Technology ShanghaiTech University Shanghai 201210 China

Palladium oxide(PdOx)and cobalt oxide(Co3O4)are efficient catalysts for methane(CH4)combustion,and Pd‐doped Co3O4catalysts have been found to exhibit better catalytic activities,which suggest synergism between the two *** carried out first‐principles calculations at the PBE+U level to investigate the Pd‐doping effect on CH4reactivity over the *** of the structural complexity of the Pd‐doped Co3O4catalyst,we built Pd‐doped catalyst models using Co3O4(001)slabs with two different terminations and examined CH4reactivity over the possible Pd?O active sites.A low energy barrier of0.68eV was predicted for CH4dissociation over the more reactive Pd‐doped Co3O4(001)surface,which was much lower than the0.98and0.89eV that was predicted previously over the more reactive pure Co3O4(001)and(011)surfaces,*** a simple model,we predicted CH4reaction rates over the pure Co3O4(001)and(011)surfaces,and Co3O4(001)surfaces with different amounts of Pd *** theoretical results agree well with the available experimental data,which suggests a strong synergy between the Pd dopant and the Co3O4catalyst,and leads to a significant increase in CH4reaction rate.

关键词： Spinel cobalt oxide Palladium dopant Methane combustion Density function theory calculation Reaction rate Collision theory

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

Benzalaniline from nitrobenzene and benzaldehyde catalyzed efficiently by an atomically precise palladium nanocluster

引用

Chinese Journal of Catalysis 2019年第10期40卷 1499-1504页

作者： Linquan Bao chengcheng zhao Shenggang Li Yan Zhu Key Laboratory of Mesoscopic Chemistry MOESchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210093JiangsuChina Shanghai Advanced Research Institute Chinese Academy of SciencesShanghai 201210China

Nanoclusters with a precise number of atoms may exhibit unique and often unexpected catalytic ***,we report an atomically precise Pd3 nanocluster as an efficient catalyst,whose catalytic performance differs remarkably from typical Pd nanoparticle catalysts,with excellent reactivity and selectivity in the one-pot synthesis of benzalaniline from nitrobenzene and *** anticipate that our work will serve as a starting point for the catalytic applications of these tiny atomically precise nanoclusters in green chemistry for the one-pot syntheses of fine chemicals.

关键词： Nanoclusters Palladium Reductive amidation Selectivity Activity

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

Towards resilient average consensus in multi-agent systems:a detection and compensation approach

引用

Frontiers of Information Technology & Electronic Engineering 2024年第2期25卷 182-196页

作者： Chongrong FANG Wenzhe ZHENG Zhiyu HE Jianping HE chengcheng zhao Jingpei WANG Department of Automation Shanghai Jiao Tong UniversityShanghai200240China State Key Laboratory of Industrial Control Technology Zhejiang UniversityHangzhou310027China Technology and Engineering Center for Space Utilization Chinese Academy of SciencesBeijing100094China

Consensus is one of the fundamental distributed control technologies for collaboration in multi-agent systems such as collaborative handling in intelligent *** this paper,we study the problem of resilient average consensus for multi-agent systems with misbehaving *** protect consensus value from being influenced by misbehaving nodes,we address this problem by detecting misbehaviors,mitigating the corresponding adverse impact,and achieving the resilient average *** types of misbehaviors are considered,including attacks,accidental faults,and link *** characterize the adverse impact of misbehaving nodes in a distributed manner via two-hop communication information and develop a deterministic detection compensation based consensus(D-DCC)algorithm with a decaying fault-tolerant error *** scenarios wherein information sets are intermittently available due to link failures,a stochastic extension named stochastic detection compensation based consensus(S-DCC)algorithm is *** prove that D-DCC and S-DCC allow nodes to asymptotically achieve resilient accurate average consensus and unbiased resilient average consensus in a statistical sense,***,the Wasserstein distance is introduced to analyze the accuracy of ***,extensive simulations are conducted to verify the effectiveness of the proposed algorithms.

关键词： Resilient consensus Multi-agent systems Malicious attacks Detection Compensation

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

Low degree partial melting may have extended the age of the Earth's inner core

Low degree partial melting may have extended the age of the ...

引用

作者： chengcheng zhao Geeth Manthilake Baohua Zhang

Heat-flow models assume a homogeneous thermal boundary layer(TBL) at the core-mantle boundary(CMB),despite grooving evidences supporting the presence of partial melting at the core-mantle interface throughout the Earth's *** this study,we investigated the possible effect of low degree melting on core heat flow by measuring thermal diffusivity of MORB-bearing olivine aggregate which could be viewed as analog of partially molten peridotite.

关键词： Low degree partial melting may have extended the age of the Earth's inner core Earth

来源： cnki会议评论

在线全文

cnki会议

学校读者我要写书评

暂无评论

基于供需视角的黄河流域甘肃段生态安全格局识别与优化

引用

生态学报 2022年第17期42卷 6973-6984页

作者：赵诚诚潘竟虎西北师范大学地理与环境科学学院兰州730070

利用多源空间数据,计算生态系统服务的高值区,识别生态源地,在计算土地利用程度、地均GDP和人口密度确定生态系统高需求区的基础上,通过夜间灯光数据修正生态阻力面系数,利用最小累积阻力模型提取源地与高需求区之间的生态廊道,以此构... 详细信息

利用多源空间数据,计算生态系统服务的高值区,识别生态源地,在计算土地利用程度、地均GDP和人口密度确定生态系统高需求区的基础上,通过夜间灯光数据修正生态阻力面系数,利用最小累积阻力模型提取源地与高需求区之间的生态廊道,以此构建并优化区域生态安全格局。结果表明:(1)黄河流域甘肃段生态源地总面积4.59×10^(4) km^(2),占研究区总面积的32.1%,集中分布于甘南和陇东中部地区。(2)生态系统服务高需求区总面积2.18×10^(4) km^(2),占研究区总面积的15.2%,主要集中于陇中及陇东的城市建成区,生态系统服务供应和需求空间匹配度差。(3)生态廊道总长度2908.3 km,整体格局上形成了东西向与南北向两大主要廊道轴线。生态廊道的识别中重点考虑了生态需求空间,提出了基于“两带—三区”的流域生态安全格局优化建议。

关键词：生态安全格局生态系统服务供应与需求源地识别生态廊道黄河流域

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

媒介化视域下博物馆文化传播功能:理论意涵、关系重构与社会连接

引用

中国博物馆 2023年第3期 37-42页

作者：赵澄澄中国国家博物馆北京100006

基于博物馆关系视角,博物馆既是物质实体亦是精神表征,也是勾连文化资源与意识形态的中介和桥梁。作为交往空间,博物馆以制度化与物质化形式承担着文化传承、认同构建和公众教育的社会职责;作为媒介,其公共性和社会性要求博物馆承担文... 详细信息

基于博物馆关系视角,博物馆既是物质实体亦是精神表征,也是勾连文化资源与意识形态的中介和桥梁。作为交往空间,博物馆以制度化与物质化形式承担着文化传承、认同构建和公众教育的社会职责;作为媒介,其公共性和社会性要求博物馆承担文化基础设施的建构使命。以媒介化和数字化趋势为切入点,考察博物馆的文化传播功能以释解博物馆陈列展览与社会连接之间的理论关联,有助于加强当代社会主义文化的主体性建构和国际传播能力建设。

关键词：博物馆社会连接文化传播媒介化数字化

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

基于专利信息的人工智能技术创新网络图谱研究

引用

中国科技论坛 2021年第4期 12-22,54页

作者：赵程程上海工程技术大学管理学院上海201620

本文使用德温特创新专利引文索引数据库提供的人工智能相关专利数据(2010—2020年),利用知识图谱软件Citespace绘制人工智能技术创新网络图谱,识别出AI创新关键路径及重要节点企业/科研机构、中国人工智能领域最有发展潜力的创新主体和... 详细信息

本文使用德温特创新专利引文索引数据库提供的人工智能相关专利数据(2010—2020年),利用知识图谱软件Citespace绘制人工智能技术创新网络图谱,识别出AI创新关键路径及重要节点企业/科研机构、中国人工智能领域最有发展潜力的创新主体和重要创新主体,并对其创新合作特征进行分析。结论如下:①2010—2020年人工智能关键路径及演化呈现四大特征;②AI创新关键路径重要节点企业/科研机构有15家;③AI最具潜力的创新主体有华为等10家企业,以及中山大学等15家高校/科研院所;④AI重要创新主体有腾讯等10家企业,以及电子科技大学等10家科研机构。

关键词：人工智能创新网路专利分析知识图谱

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：