检索结果-南通市图书馆

Two-dimensional silica enhanced solid polymer electrolyte for lithium metal batteries

Particuology 2024年第2期85卷 146-154页

作者： Zhihong luo Weiyong li Chong Guo Ya Song Mingxia Zhou Yan Shi jing Xu Long li Bin Shi Quansheng Ouyang Jiao-jing Shao Guangmin Zhou School of Materials and Metallurgy Guizhou UniversityGuiyang550025China State Key Laboratory of Advanced Chemical Power Sources Zunyi563003China Graphene Materials Engineering Research Center of Guizhou Colleges and Universities Guiyang550025China Tsinghua-Berkeley Shenzhen Institute&Tsinghua Shenzhen International Graduate Schoo Tsinghua UniversityShenzhen518055China

Solid polymer electrolytes(SPEs)are promising substitutes for current flammable liquid electrolytes to achieve high-safety and high-energy-density lithium metal *** oxide(PEO)based solid polymer electrolytes have attracted increasing attention because of their excellent flexibility,manufacturability,light weight,and low-cost processing,while they often suffer from low ionic con-ductivity at room temperature,low lithium transference number and unsatisfactory interfacial resis-tance,which largely restrain their practical ***,two-dimensional holey silica nanosheets(2D-HSN)as the fillers,together with liNO_(3) as the electrolyte additive,are introduced in a PEO/poly(-vinylidene fiuoride-co-hexafluoropropylene)(PVDF-HFP)blended polymer matrix to obtain a *** incorporation of HSN filler creates supplementary channels for lithium ion migration and lowers the crystallinity of the polymer,thereby facilitating the movement of lithium *** HSN-based SPE demonstrates higher ionic conductivity up to 3.7 x 10-4 S cm-1 at 30℃,larger li+transference number close to 0.34,and more stable lithium plating/stripping than that without the fillers,and HSN can promote the formation of more stable solid electrolyte interphase(SEI)*** as-assembled liFePO4||li batteries deliver a high specific capacity of 159 mA h g-1 with the capacity retention of 95.5%after 200 cycles at 30℃,as well as superior rate performance and cycling stability compared to that using the blank SPE.

关键词： Vermiculite nanosheets Two-dimensional silica Solid polymer electrolytes Fillerslithium metal 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

Fiber Optic SPR POCT: A Novel Nucleic Acid Detection Biosensor for Environmental Viruses

引用

Research 2024年第3期2024卷 791-793页

作者： jing Wang Zhaojun Duan Dixian luo Department of Laboratory Medicine Shenzhen Hospital of Integrated Traditional and Western MedicineShenzhenChina National Institute for Viral Disease Control and Prevention China Center for Disease Control and PreventionBeijingChina.

In the post-COVID-19 pandemic era, the long-term surveillance of pathogens is still important. The rapid detection of pathogens facilitates the accurate and convenient real-time monitoring of microbial contamination and improves the management of diseases. Here, a novel surface plasmon resonance (SPR)-based point of care testing (POCT) approach of microorganism nucleic acids with the guidance of CRISPR enzyme is described, including the application of optical fiber-based detection of trace SARS-CoV2 virus in sewage water on SPR and validation of the plasmonic biosensor for the detection of single-nucleotide mutations in natural water samples.

关键词： POCT SPR convenient

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

Downscaling Seasonal Precipitation Forecasts over East Africa with Deep Convolutional Neural Networks

引用

Advances in Atmospheric Sciences 2024年第3期41卷 449-464页

作者： Temesgen Gebremariam ASFAW jing-Jia luo Institute for Climate and Application Research(ICAR)/CIC-FEMD/KLME/ILCEC Nanjing University of Information Science and TechnologyNanjing 210044China Institute of Geophysics Space Science and Astronomy Addis Ababa UniversityAddis Ababa 1176Ethiopia

This study assesses the suitability of convolutional neural networks(CNNs) for downscaling precipitation over East Africa in the context of seasonal forecasting. To achieve this, we design a set of experiments that compare different CNN configurations and deployed the best-performing architecture to downscale one-month lead seasonal forecasts of June–July–August–September(JJAS) precipitation from the Nanjing University of Information Science and Technology Climate Forecast System version 1.0(NUIST-CFS1.0) for 1982–2020. We also perform hyper-parameter optimization and introduce predictors over a larger area to include information about the main large-scale circulations that drive precipitation over the East Africa region, which improves the downscaling results. Finally, we validate the raw model and downscaled forecasts in terms of both deterministic and probabilistic verification metrics, as well as their ability to reproduce the observed precipitation extreme and spell indicator indices. The results show that the CNN-based downscaling consistently improves the raw model forecasts, with lower bias and more accurate representations of the observed mean and extreme precipitation spatial patterns. Besides, CNN-based downscaling yields a much more accurate forecast of extreme and spell indicators and reduces the significant relative biases exhibited by the raw model predictions. Moreover, our results show that CNN-based downscaling yields better skill scores than the raw model forecasts over most portions of East Africa. The results demonstrate the potential usefulness of CNN in downscaling seasonal precipitation predictions over East Africa,particularly in providing improved forecast products which are essential for end users.

关键词： East Africa seasonal precipitation forecasting downscaling deep learning convolutional neural networks(CNNs)

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 Simple Proof of ACC for Minimal Log Discrepancies for Surfaces

引用

Acta Mathematica Sinica,English Series 2024年第2期40卷 425-434页

作者： jing Jun HAN Yu Jie luo Shanghai Center for Mathematical Sciences Fudan UniversityJiangwan CampusShanghai 200438P.R.China Department of Mathematics Johns Hopkins UniversityBaltimoreMD 21218USA

Following Shokurov's idea,we give a simple proof of the ACC conjecture for minimal log discrepancies for surfaces.

关键词： Ascending chain condition minimal log discrepancies minimal model program surface

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

Potential industrial applications of photo/electrocatalysis: Recent progress and future challenges

引用

Green Energy & Environment 2024年第5期9卷 859-876页

作者： Jinhao li jing Ren Shaoquan li Guangchao li Molly Meng-Jung li Rengui li Young Soo Kang Xiaoxin Zou Yong luo Bin liu Yufei Zhao State Key Laboratory of Chemical Resource Engineering Beijing University of Chemical TechnologyBeijing100029China Quzhou Institute for Innovation in Resource Chemical Engineering Quzhou324000China State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical TechnologyBeijing100029China Department of Applied Physics The Hong Kong Polytechnic UniversityHong Kong999077China State Key Laboratory of Catalysis Dalian Institute of Chemical PhysicsChinese Academy of SciencesDalian National Laboratory for Clean EnergyZhongshan Road 457Dalian116023China Environmental and Climate Technology Track of Korea Institute of Energy Korea Institute of Energy TechnologyNaju-siJeollanam do58217Republic of Korea State Key Laboratory of Inorganic Synthesis and Preparative Chemistry College of ChemistryJilin UniversityChangchun130012China

Nowadays,the rapid development of the social economy inevitably leads to global energy and environmental *** this reason,more and more scholars focus on the development of photocatalysis and/or electrocatalysis technology for the advantage in the sustainable production of high-value-added products,and the high efﬁciency in pollutants *** there is plenty of outstanding research has been put forward continuously,most of them focuses on catalysis performance and reaction mechanisms in laboratory *** industrial application of photo/electrocatalytic processes is still a challenge that needs to be overcome by social *** this regard,this review comprehensively summarized several explorations in theﬁeld of photo/electrocatalytic reduction towards potential industrial applications in recent *** attention is paid to the successful attempts and the current status of photo/electrocatalytic water splitting,carbon dioxide conversion,resource utilization from waste,etc.,by using advanced *** key problems and challenges of photo/electrocatalysis in future industrial practice are also discussed,and the possible development directions are also pointed out from the industry view.

关键词： Photocatalysis Electrocatalysis Industrial applications H2 economy

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

line-scanning microscopy with laterally symmetric imaging using simultaneous cross-line illumination

引用

Photonics Research 2024年第7期12卷 1513-1521页

作者： DAN SHEN YAFENG li MENG WANG YUTONG HAN BOliN LU HUI GONG QINGMING luo jing YUAN Britton Chance Center for Biomedical Photonics and MoE Key Laboratory for Biomedical Photonics Wuhan National Laboratory for OptoelectronicsHuazhong University of Science and TechnologyWuhan 430074China HUST-Suzhou Institute for Brainsmatics JITRI Institute for BrainsmaticsSuzhou 215123China School of Biomedical Engineering Hainan UniversityHaikou 570228China

Using an on-the-fly scanning scheme, line confocal microscopy can obtain complex structures of large biological tissues with high throughput. Yet, it suffers from lateral imaging asymmetry and thus introduces the potential deformations of the observation results. Here, we propose cross-line illumination microscopy (cliM) that acquires the imaging data of two perpendicular directions simultaneously through the same objective lens in a line scanning and utilizes two-direction deconvolution fusion to achieve lateral symmetric imaging *** fluorescence beads indicates that cliM reduces lateral resolution asymmetry from 46.1%to 2.5%and improves lateral resolution by 31.0%, compared with traditional line-scanning imaging. Compared with commercial point-confocal microscopy, the cliM has a 25.84×increase in imaging speed and 1.93×better background-suppressing ability when imaging an 11,306μm×7783μm×100μm mouse kidney slice. We also show the advantages of the cliM in observing direction-sensitive texture features by imaging a muscular tissue slice. cliM offers a novel solution to achieve laterally symmetric line-scanning imaging with simple modifications while maintaining high throughput and accuracy for imaging large-scale samples.

关键词： illumination simultaneous scanning

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

Defect-modulated synthesis and optoelectronic properties in chemical vapor deposited CsPbBr_(3) microplates

引用

Nano Research 2024年第5期17卷 4610-4615页

作者： Yanan Bao Hengshan Wang Meiqi An Huayi Tang jing li Jianliang li Conghui Tan Yingmin luo Jiao Xu Yiming Yang School of Microelectronics Dalian University of TechnologyDalian 116024China Key Laboratory of Materials Modification by Laser Ionand Electron Beams(Ministry of Education)School of PhysicsDalian University of TechnologyDalian 116024China

The remarkable optoelectronic features of halide perovskite promote their potential applications in semiconductor devices beyond solar cells,which require high-quality single crystals with controlled defect ***,we investigated the synthesis mechanism of chemical vapor deposited single-crystalline all-inorganic perovskite microplates(MPs),and reported a defect-modulated photocurrent which is closely related to the growth sequence of the *** MP synthesis initiates from island-like nano-disks,and subsequently transits to a layer-by-layer fashion,resulting in a defect-rich area at the center of the *** elevated temperatures,these central defects may be thermally activated and become highly mobile,leading to photoluminescence quenching and degression of local and overall optoelectronic attributes,as evidenced by the spatial resolved optical and electrical scanning probe ***,this work shines light on the formation,proliferation and dynamics of defects in perovskites,and offers guidance for preparation of high-quality perovskites micro-crystals for functional semiconductor devices with high temperature stability.

关键词： halide perovskites nanomaterials optoelectronics scanning photocurrent microscope chemical vapor deposition

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

Electrochemical measurements used for assessment of corrosion and protection of metallic materials in the field:A critical review

引用

Journal of Materials Science & Technology 2022年第17期112卷 151-183页

作者： Da-Hai Xia Cheng-Man Deng Digby Macdonald Sina Jamali Douglas Mills jing-li luo Michael G.Strebl Mehdi Amiri Weixian Jin Shizhe Song Wenbin Hu Tianjin Key Laboratory of Composite and Functional Materials Tianjin 300350China School of Materials Science and Engineering Tianjin UniversityTianjin 300350China Department of Nuclear Engineering University of California at BerkeleyBerkeleyCA 94720USA School of Chemistry The University of New South WalesSydneyNSW 2052Australia School of Science and Technology University of NorthamptonSt.George’s AvenueNorthamptonNN26JDUK Department of Chemical and Materials Engineering University of AlbertaEdmontonAlberta T6G 1H9Canada Department of Materials Science(LKO WW-4)University of Erlangen-Nuremberg91058 ErlangenGermany Department of Mechanical Engineering George Mason UniversityFairfaxVirginia 22030USA Zhoushan Marine Corrosion Institute of Central Research Institute of Iron and Steel Zhoushan316003China

Corrosion degradation is detrimental to metal structures as it shortens their lifetime and leads to huge economic losses and unexpected ***,the detection and monitoring of corrosion degradation is of great ***,we briefly review the state-of-the-art electrochemical methods,instrumentation(based on virtual instrumentation),and advanced sensor/probes that are used in the field for the assessment of corrosion *** corrosion monitoring results,some of which have been obtained at Tianjin University in the past 30 years,for metallic materials and organic coating/metal systems in atmospheric,marine,and soil conditions in the field are *** methods,data analysis,and theoretical and mathematical models regarding each corrosion system are discussed,and the challenges,problems and possible solutions for each case are ***,future developments,such as wireless,intelligent,and automatic electrochemical measurement,that will augment the present electrochemical methods of evaluating corrosion degradation are summarized.

关键词： Corrosion monitoring Electrochemical method Virtual instrumentation Sensor Data analysis In-situ measurement Probe

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

Bismuth-free Mg_(3)Sb_(2) with enhanced room-temperature thermoelectric and mechanical properties

引用

Journal of Materiomics 2024年第5期10卷 1101-1108页

作者： Jie Song Peng luo Hailong Sun Hezhang li Chao Wang Yi Niu jing Jiang Clean Energy Materials and Engineering Center State Key Laboratory of Electronic Thin Films and Integrated DevicesSchool of Electronic Science and EngineeringUniversity of Electronic Science and Technology of ChinaChengdu611731China The State Key Laboratory of Precision Measurement Technology and Instruments Department of Precision InstrumentTsinghua UniversityBeijing100084China

Thermoelectric materials are competitive candidates for special cooling ***_(3)Sb_(2)-based materials consisting of inexpensive ingredients have profound thermoelectric *** present,alloying with Mg_(3)Bi_(2) is the most effective approach to optimize the thermoelectric properties of Mg_(3)Sb_(2)-based ***,the extremely low abundance of bismuth in the crust contradicts its economic *** this work,the ZrO_(2) micro-particles were separated into the Mg_(3.2)Sb_(1.99)Te_(0.01).The doping effect of Zr atoms at Mg sites increased the electrical conductivity,and the combined secondary phase lowered the lattice thermal *** acceptable degradation in the Seebeck coefficient,the sample combined with 5%(in mass)ZrO_(2) exhibited a dimensionless figure of merit(zT)of 0.49 and a power factor of 2.7 mW·m^(−1)·K^(−2) near room *** average zT in the range from 300 K to 500 K reached 0.8,on par with the Mg_(3)Sb_(2) single bond Mg_(3)Bi_(2) ***,the compressive and bending strengths reach 669 MPa and 269 MPa,respectively,far superior to the common room-temperature *** secondary phase showed a surprising and uncostly promotion of the Mg_(3)Sb_(2)-based thermoelectric materials,impelling the realization of its commercial application.

关键词： Mg_(3)Sb_(2)-Mg_(3)Bi_(2)alloy Secondary phase Room-temperature thermoelectric properties Mechanical properties Inexpensive ingredients

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

Ru(Ⅱ)-Catalyzed Selective C-H Alkynylation of Isoquinolones,Quinazolones and Phthalazinones with Bromoalkynes

引用

Chinese Journal of Chemistry 2024年第15期42卷 1686-1690页

作者： Quan-Jian luo Han-Chi Wang jing Zhang Jin-Heng li Bo Sun State Key Laboratory Base of Eco-Chemical Engineering College of Chemical EngineeringQingdao University of Science and TechnologyQingdaoShandong 266042China State Key Laboratory of Applied Organic Chemistry Lanzhou UniversityLanzhouGansu 730000China School of Chemistry and Chemical Engineering Henan Normal UniversityXinxiangHenan 453007China

A new,selective Ru(Ⅱ)-catalyzed alkynylation reaction of isoquinolones,quinazolones and phthalazinones with readily available bromoalkynes has been *** reaction enables the selective construction of a new C(sp^(2))-C(sp)bond through C-H activation and C-Br functionalization,and offers an effective and selective route to synthesizing highly valuable alkynylated isoquinolone,quinazolone and phthalazinonederivatives with a wide substrate scope and highselectivity.

关键词： Ru(Ⅱ) Alkynylation Isoquinolones Bromoalkynes Heterocyclic compounds C-H activation C-C coupling Synthetic methods

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

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：