检索结果-内蒙古大学图书馆

20th International Joint Conference on Computer science and Software engineering, JCSSE 2023

作者： Somaudon, Varanya Sakuldee, Pathapee Kerdcharoen, Teerakiat Materials Science and Engineering Program Mahidol University Faculty of Science Bangkok Thailand School of Science Material Engineering Mae Fah Luang University Chiang rai Thailand Mahidol University Faculty of Science Department of Physics Bangkok Thailand

ISBN: (纸本)9798350300505

Northern Thailand is home to several Arabica coffee-growing regions, including Mae-kampong, Teentok, Mae-lord, and Monngo Valleys, whose coffees are featured throughout this study. These coffees have distinct aromas and flavors due to their varied cultivation locations, which are influenced by unique climatic conditions. The purpose of this paper is to comprehend the aroma of coffees brought from various locations and roasted under the same conditions. Our lab-made electronic nose (e-nose) was used to digitalize and analyze the smell of coffee. In order to monitor the coffee scent throughout roasting and assess how similar the aromas of coffee samples taken from various locations are to one another, principal component analysis and hierarchical cluster analysis were used. It was found that our e-nose system is an effective tool for determining the geo-location of the coffee origin as well as for quality control of coffee production. © 2023 IEEE.

关键词： Electronic nose

来源：评论

学校读者我要写书评

暂无评论

Effect of Cu addition on electrochemical activity of ribbons of Mg-Al-Ca anode materials for magnesium rechargeable batteries manufactured by rapid solidification method

引用

Keikinzoku/Journal of Japan Institute of Light Metals 2024年第1期74卷 14-17页

作者： Fukui, Shunsaku Tsukeda, Tadayoshi Aida, Tetsuo Tabata, Hironobu Kurihara, Hideki Suzuki, Mayumi Program of Materials Science and Engineering Studies in Science and Engineering Graduate School of Science and Engineering University of Toyama 3190 Gofuku Toyama-shi Toyama930-8555 Japan Faculty of Sustainable Design Academic Assembly University of Toyama Toyama-shi Toyama Japan CHUETSU METAL WORKS CO. LTD. Nakaniikawa-gun Toyama Japan Saitama Industrial Technology Center Kawaguchi Kawaguchi-shi Saitama Japan Department of Mechanical Systems Engineering Faculty of Engineering Toyama Prefectural University Imizu-shi Toyama Japan

The potential for magnesium storage batteries to become the next generation of rechargeable batteries is high. This is largely due to the abundance of magnesium metal resources and their high safety and electric capacity per volume. Our research team has been studying magnesium alloys as anode materials for these batteries. Specifically, we have been investigating the electrochemical activity and mechanism of adding copper to Mg-9mass%Al and Mg-9mass%Al-3mass%Ca. Our findings indicate that the electrochemical activity increased with the addition of 1mass%Cu, but decreased with the addition of 3mass%Cu. In addition, changes in lattice constant and basal orientation were also observed. These changes decreased with 1mass%Cu and increased with 3mass%Cu. SEM observations showed that the cell delimitation was indistinct for the 1%Cu addition. © 2024 The Japan Institute of Light Metals.

关键词： Secondary batteries

来源：评论

学校读者我要写书评

暂无评论

Visible light triggered exfoliation of COF micro/nanomotors for efficient photocatalysis

引用

Green Energy & Environment 2023年第2期8卷 567-578页

作者： Kai Feng Liang Zhang Jiang Gong Jinping Qu Ran Niu Key Laboratory of Material Chemistry for Energy Conversion and Storage Ministry of EducationHubei Key Laboratory of Material Chemistry and Service FailureHubei Engineering Research Center for Biomaterials and Medical Protective MaterialsSchool of Chemistry and Chemical EngineeringHuazhong University of Science and TechnologyWuhan430074China The State Key Laboratory Breeding Base of Basic Science of Stomatology(Hubei-MOST)&Key Laboratory of Oral Biomedicine Ministry of Education School and Hospital of StomatologyWuhan UniversityWuhan 430079China National Engineering Research Center of Novel Equipment for Polymer Processing Key Laboratory of Polymer Processing EngineeringMinistry of EducationGuangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced ManufacturingSchool of Mechanical and Automotive EngineeringSouth China University of TechnologyGuangzhou510641China

We report a new facile light-induced strategy to disperse micron-sized aggregated bulk covalent organic frameworks(COFs)into isolated COFs *** was achieved by a series of metal-coordinated COFs,namely COF-909-Cu,-Co or-Fe,where for the first time the diffusio-phoretic propulsion was utilized to design COF-based micro/*** mechanism studies revealed that the metal ions decorated in the COF-909 backbone could promote the separation of electron and holes and trigger the production of sufficient ionic and reactive oxygen species under visible light *** this way,strong light-induced self-diffusiophoretic effect is achieved,resulting in good dispersion of *** them,COF-909-Fe showed the highest dispersion performance,along with a drastic decrease in particle size from 5μm to500 nm,within only 30 min light irradiation,which is inaccessible by using traditional magnetic stirring or ultrasonication *** importantly,benefiting from the outstanding dispersion efficiency,COF-909-Fe micro/nanomotors were demonstrated to be efficient in photocatalytic degradation of tetracycline,about 8 times faster than using traditional magnetic stirring *** work opens up a new avenue to prepare isolated nanosized COFs in a high-fast,simple,and green manner.

关键词： Micro/nanomotor COFs Exfoliation Nanocatalyst Photocatalysis

来源：评论

学校读者我要写书评

暂无评论

Towards Autonomous Shooting Rover via Situation Aware Visual-Perception and Dynamic Action Execution

Towards Autonomous Shooting Rover via Situation Aware Visual...

引用

2024 IEEE/SICE International Symposium on System Integration, SII 2024

作者： Chikoti, Shreenaga Shubham Seelam, Yukkta Jain, Aditya Mehta, Nishi Watsa, Sidhartha Ranjan, Ayush Behera, L. Indian Institute of Technology Kanpur Department of Mathematics and Scientific Computing India Indian Institute of Technology Kanpur Department of Material Science and Engineering India Indian Institute of Technology Kanpur Department of Electrical Engineering India Indian Institute of Technology Kanpur Department of Computer Science and Engineering India Indian Institute of Technology Kanpur Department of Mechanical Engineering India

ISBN: (纸本)9798350312072

In this system paper, we present our approach to the DJI Robomaster AI Challenge, 2022 where our team ERA-IITK was ranked 3rd worldwide among 83 teams. We primarily focus on system hardware design and algorithmic components to achieve full autonomy. We first detail the hardware infrastructure, including intricate details on sensors and communication setup. Then we comprehensively describe our algorithmic pipeline and a state machine based on them to realize an autonomous system. Our major novelty is the high-speed and accurate visual perception module for target detection, and high-speed self-localization to maximize the likelihood of a target being shot. Our research endeavor in this paper can serve as a foundation for more complex systems and holds immense potential for various real-world applications. © 2024 IEEE.

关键词： Vision

来源：评论

学校读者我要写书评

暂无评论

Effect of Pre-deformation on Nanoscale Precipitation and Hardness of a Maraging Stainless Steel

引用

Acta Metallurgica Sinica(English Letters) 2022年第12期35卷 2089-2100页

作者： Xinlei Zhou Bin Wang Tianyi Zeng Wei Yan Junhua Luan Wei Wang Ke Yang Zengbao Jiao School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 110016China Shi-Changxu Innovation Center for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Material Science and Engineering Zhengzhou UniversityZhengzhou 450001China Department of Materials Science and Engineering City University of Hong KongHong KongChina Department of Mechanical Engineering The Hong Kong Polytechnic UniversityHong KongChina

The effect of pre-deformation on nanoscale precipitates and hardness of a maraging stainless steel strengthened by the coprecipitation of Ni_(3)Ti,Mo-enriched and Cr-enriched precipitates was systematically studied using electron back scattered diffraction,transmission electron microscopy and atom probe tomography(APT).Hardness measurements showed that the hardness of specimen with a deformation ratio of 90%peaked at HV 718 aged for 24 h,which is higher than that in the undeformed specimen(HV 603)aged for 72 h at 480℃.APT characterization revealed that pre-deformation could shorten the incubation time of the Mo-enriched and Cr-enriched *** the early-aged stage,pre-deformation increased the stain energy that inhibited the nucleation of Ni_(3)Ti precipitates,but accelerated the rejection of Mo from Ni-Ti ***,the strengthening model indicated that strain hardening(43%)makes a larger contribution to the hardness at the early-aged condition,while precipitation hardening(58%)has most contribution to the hardness at the peak-aged conditition.

关键词： Maraging stainless steel Pre-deformation Precipitation hardening Atom probe tomography

来源：评论

学校读者我要写书评

暂无评论

Effect of Extrusion Casting and Refining Process on Strength and Elongation of 4032 Aluminum Alloy 75

Effect of Extrusion Casting and Refining Process on Strength...

引用

75th World Foundry Congress, WFC 2024

作者： Liao, Wanneng Zhang, Chenxing Shan, Zhongde Song, Wenzhe Dong, Xixi College of Mechanical and Electrical Engineering Nanjing University of Aeronautics and Astronautics Nanjing210016 China College of Material Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing210016 China

The 4032 aluminum alloy is a high-Si deformation aluminum alloy, that is commonly generated through forging due to the difficulties involved in its direct casting. In this work, the 4032 aluminum alloy is innovatively prepared via a squeeze casting process, and the Al-6Nb-1.5Ti-0.5B refining agent is incorporated to enhance its mechanical properties. A range of analytical techniques are subsequently employed to analyze the grain refinement mechanism of Al-6Nb-1.5Ti-0.5B under squeeze casting conditions. It was found that the microstructure of the aged 4032 aluminum alloy after refinement treatment was mainly composed of α-Al grains measuring © 2024 75th World Foundry Congress, WFC 2024. All rights reserved.

关键词： Grain refinement

来源：评论

学校读者我要写书评

暂无评论

Fused-ring induced end-on orientation in conjugated molecular dyads toward efficient single-component organic solar cells

Aggregate

引用

Aggregate 2023年第2期4卷 291-299页

作者： Dongdong Xia Shengxi Zhou Wen Liang Tan Safakath Karuthedath Chengyi Xiao Chaowei Zhao Frédéric Laquai Christopher R.McNeill Weiwei Li Institute of Applied Chemistry Jiangxi Academy of SciencesNanchangChina Beijing Advanced Innovation Center for Soft Matter Science and Engineering&State Key Laboratory of Organic-Inorganic Composites Beijing University of Chemical TechnologyBeijingChina Department of Materials Science and Engineering Monash UniversityClaytonAustralia KAUST Solar Center(KSC) Physical Sciences and Engineering Division(PSE)Material Science and Engineering Program(MSE)King Abdullah University of Science and Technology(KAUST)ThuwalSaudi Arabia

The molecular orientations of conjugated materials on the substrate mainly include edge-on,face-on,and ***-on and face-on orientations have been widely observed,while end-on orientation has been rarely *** in organic solar cells(OSCs)charge transport is along the vertical direction,end-on orientation with conjugated backbones perpendicular to the substrate is recognized as the ideal microstructure for *** this work,we for the first time obtained the preferential end-on orientation in a conjugated molecular dyad that contains a conjugated backbone as donor and perylene bisimide side units as *** was realized by introducing a fused-ring structure to replace linear terthiophenes with conjugated backbones,yielding F-MDPBI and L-MDPBI ***,a shifting trend of the molecular orientation from dominating edge-on in L-MDPBI to preferential end-on in F-MDPBI was *** a consequence,vertical charge carrier mobilities in F-MDPBI are one order of magnitude higher than those with preferential edge-on orientation,so single-component OSCs based on this molecular dyad as a single photoactive layer provided a power conversion efficiency of 4.89% compared to 1.70% based on L-MDPBI with preferential edge-on orientation.

关键词： conjugated molecular dyads crystallinity edge-on end-on single-component organic solar cells

来源：评论

学校读者我要写书评

暂无评论

Stretchable alkenamides terminated Ti_(3)C_(2)T_(x)MXenes to release strain for lattice-stable mixed-halide perovskite solar cells with suppressed halide segregation

引用

Carbon Energy 2023年第12期5卷 21-30页

作者： Xuemei Yao Jialong Duan Yuanyuan Zhao Junshuai Zhang Qiyao Guo Qiaoyu Zhang Xiya Yang Yanyan Duan Peizhi Yang Qunwei Tang Institute of Carbon Neutrality College of Chemical and Biological EngineeringShandong University of Science and TechnologyQingdaoShandongChina Key Laboratory of Advanced Technique and Preparation for Renewable Energy Materials Ministry of EducationYunnan Normal UniversityKunmingYunnanChina College of Mechanical and Electronic Engineering Shandong University of Science and TechnologyQingdaoShandongChina College of Information Science and Technology Jinan UniversityGuangzhouGuangdongChina School of Materials Science and Engineering State Centre for International Cooperation on Designer Low-Carbon and Environmental Material(SCICDLCEM)Zhengzhou UniversityZhengzhouHenanChina

Bandgap-tunable mixed-halide perovskite materials have attracted considerable interest because of their indispensability as top counterparts in tandem solar ***,the soft and disordered lattice always suffers from severe phase segregation under illumination,which is particularly susceptible to residual lattice ***,we report a strain regulation strategy by using alkenamides terminated Ti_(3)C_(2)T_(x)MXenes as an additive into perovskite *** from the role of a template for grain growth to obtain high-quality films,the stretchable alkyl chain promotes lattice shrinkage or expansion to form an elastic grain boundary to eliminate the spatially distributed stain and shut down ion migration *** a result,the all-inorganic perovskite solar cells based on CsPbIBr_(2)and CsPbI_(2)Br halides achieve prolonged device stability under harsh conditions and the best power conversion efficiencies up to 11.06%and 14.30%,respectively.

关键词： all-inorganic perovskite solar cells defect passivation halide segregation stability strain relaxation

来源：评论

学校读者我要写书评

暂无评论

Transferable,highly crystalline covellite membrane for multifunctional thermoelectric systems

引用

InfoMat 2024年第11期6卷 66-80页

作者： Myungwoo Choi Geonhee Lee Yea-Lee Lee Hyejeong Lee Jin-Hoon Yang Hanhwi Jang Hyeonseok Han MinSoung Kang Seonggwang Yoo A-Rang Jang Yong Suk Oh Inkyu Park Min-Wook Oh Hosun Shin Seokwoo Jeon Jeong-O Lee Donghwi Cho Department of Materials Science and Engineering Korea UniversitySeoulRepublic of Korea Thin Film Materials Research Center Korea Research Institute of Chemical TechnologyDaejeonRepublic of Korea Chemical Data-Driven Research Center Korea Research Institute of Chemical TechnologyDaejeonRepublic of Korea Division of Chemical and Material Metrology Korea Research Institute of Standards and ScienceDaejeonRepublic of Korea Department of Materials Science and Engineering Korea Advanced Institute of Science and TechnologyDaejeonRepublic of Korea Department of Mechanical Engineering Korea Advanced Institute of Science and TechnologyDaejeonRepublic of Korea Therapeutics&Biotechnology Division Drug Discovery Platform Research CenterKorea Research Institute of Chemical TechnologyDaejeonRepublic of Korea Querry Simpson Institute for Bioelectronics Northwestern UniversityEvanstonIllinoisUSA Division of Electrical Electronic and Control EngineeringKongju National UniversityCheonanRepublic of Korea Department of Mechanical Engineering Changwon National UniversityChangwonRepublic of Korea Department of Materials Science and Engineering Hanbat National UniversityDaejeonRepublic of Korea Advanced Materials and Chemical Engineering University of Science and TechnologyDaejeonRepublic of Korea

Emerging freestanding membrane technologies,especially using inorganic thermoelectric materials,demonstrate the potential for advanced thermoelectric ***,using rare and toxic elements during material processing must be ***,we present a scalable method for synthesizing highly crystalline CuS membranes for thermoelectric *** sulfurizing crystalline Cu,we produce a highly percolated and easily transferable network of submicron CuS *** CuS membrane effectively separates thermal and electrical properties to achieve a power factor of 0.50 mW m^(-1) K^(-2) and thermal conductivity of 0.37 W m^(-1) K^(-1) at 650 K(estimated value).This yields a record-high dimensionless figure-of-merit of 0.91 at 650 K(estimated value)for ***,integrating 12 CuS devices into a module resulted in a power generation of4μW atΔT of 40 K despite using a straightforward configuration with only p-type ***,based on the temperature-dependent electrical characteristics of CuS,we develop a wearable temperature sensor with antibacterial properties.

关键词： copper sulfide flexible thermoelectric generator multifunctional thermoelectric systems sulfurization thermoelectric membrane

来源：评论

学校读者我要写书评

暂无评论

Unraveling the colloidal composition of perovskite precursor solutions and its impact on film formation

引用

science China materials 2025年第1期68卷 156-164页

作者： Tiantian Lou Letian Chen Guichun Yang Peng Chen Wenyan Zhao Hongshi Li Guoran Li School of Materials Science and Engineering Institute of New Energy Material ChemistryRenewable Energy Conversion and Storage CenterNankai UniversityTianjin 300350China School of Mechanical and Electronic Engineering Jingdezhen Ceramic UniversityJingdezhen 333403China

Colloids are a vital component of perovskite precursor solutions(PPSs),significantly influencing the quality of perovskite film *** their importance,a comprehensive understanding of these colloids remains *** this work,we explored the colloidal compositions of two distinct PPS types:the monomer-mixing dissolution(MMD)and the pre-synthesized perovskite single crystal redissolution(SCR).We have uncovered a new dissolution chemical equilibrium mechanism where the transition from mixed monomers to the 3C cubic phase(α-phase)involves a reversible *** findings indicate that although colloidal size significantly affects the nucleation during perovskite crystallization,the composition of the colloids plays a more crucial *** MMD method yields poly Pb-I·solvent clusters while the colloids derived from the SCR approach produce hexagonal lead-halide-based perovskite phase *** divergent colloidal compositions lead to markedly different impacts on the perovskite film formation ***,hexagonal-phase colloids act as favorable nucleation sites,promoting the generation of theα-phase perovskite films with larger grains,more homogeneous phases,and fewer *** work demonstrates the importance of tailoring colloidal compositions and provides theoretical insights into the beneficial effects of redissolving perovskite in forms such as powder,microcrystals,and single crystals.

关键词： perovskite precursor solutions colloids hexagonalphase colloids poly Pb-I·solvent clusters perovskite solar cells

来源：评论

学校读者我要写书评

暂无评论

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

请选择保存的检索档案：

请选择收藏分类：

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

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

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：