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2023 Transactions of the American Nuclear Society Annual Meeting and Technology Expo, ANS 2023

作者： Wang, Meng-Jen Simpson, Michael Sjoden, Glenn E. Nuclear Engineering Program Department of Civil and Environmental Engineering University of Utah United States Department of Material Science and Engineering University of Utah United States

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Compact solar-powered plasma water generator: enhanced germination of aged seed with the corona dielectric barrierdischarger

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Frontiers of Agricultural science and engineering 2024年第4期11卷 642-651页

作者： Yiting XIAO Yang TIAN Haizheng XIONG Ainong SHI Jun ZHU Biological Engineering University of ArkansasFayettevilleAR 72701USA Program of Material Science and Engineering University of ArkansasFayettevilleAR 72701USA Department of Horticulture University of ArkansasFayettevilleAR 72701USA.

Seed aging adversely affects agricultural productivity by reducing germination rates and seedling vigor,leading to significant costs for seed banks and companies due to the need for frequent seed *** study demonstrated the use of plasma-activated water(PAW),generated by a solar-powered corona dielectric barrier discharger,to enhance germination rates of spinach seeds that had been stored at 4℃ for 23 *** seeds with PAW at 17 kV for 15 min improved germination(by 135%)and seedling growth compared to untreated *** detailed analysis,beneficial PAW properties for seed development were identified,and a molecular mechanism for this rejuvenation is *** solar-powered microreactor used in this study is considered to represent a significant advancement in seed treatment technology,offering a sustainable solution to meet growing food demands while addressing environmental and resource sustainability challenges.

关键词： Non-thermal plasma plant growth reactor design seedgermination

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Cationization of Cellulose Dissolved in TEAOH/urea Solvent and its Preparation of Cellulose Beads: Effect of Added Amount of GTAC

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Palpu Chongi Gisul/Journal of Korea Technical Association of the Pulp and Paper Industry 2022年第6期54卷 85-93页

作者： Kim, Younglae Jang, Minseok Cho, Byoung-Uk Department of Paper Science & Engineering College of Forest and Environmental Science Kangwon National University Korea Republic of Program of Paper Material Science & Engineering College of Forest and Environmental Science Kangwon National University Korea Republic of

To widen the applications, cationic cellulose beads were synthesized by adding glycidyltrimethylammonium chloride (GTAC) to cellulose fibers dissolved in a mixture of tetraethylammonium hydroxide and urea at room temperature for cationic modification, and dropping the cationic cellulose solution into an acetic acid solution. Herein, the effects of the added GTAC amount on the properties of cationic cellulose soultion and cellulose beads were investigated. It was observed that increasing the amount of GTAC increased the viscosity and surface tension of the cationically modified cellulose solution and increased the particle size of the cellulose beads. Furthermore, the zeta potential of the cellulose beads can be controlled by modifying the GTAC amount. © 2022 Korean Technical Assoc. of the Pulp and Paper Industry. All rights reserved.

关键词： Chemical modification

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High resolution and high sensitivity imaging magnetometer with magnetic nanoparticle and optical heterodyne detection

High resolution and high sensitivity imaging magnetometer wi...

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2024 Frontiers in Optics, FiO 2024

作者： Bartos, Jan Tis, Taleb Ba Park, Wounjhang Huang, Shu-Wei Department of Electrical Computer and Energy Engineering University of Colorado Boulder80309 United States Material Science and Engineering Program University of Colorado Boulder80309 United States

We present progress towards an imaging magnetometer using a magneto-optical polymer nanocomposite thin film, experimentally demonstrating 29nT/√Hz sensitivity with © Optica Publishing Group 2024, © 2024 The... 详细信息

关键词： Heterodyne detection

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High resolution and high sensitivity imaging magnetometer with magnetic nanoparticle and optical heterodyne detection

High resolution and high sensitivity imaging magnetometer wi...

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2024 Laser science, LS 2024

作者： Bartos, Jan Ba Tis, Taleb Park, Wounjhang Huang, Shu-Wei Department of Electrical Computer and Energy Engineering University of Colorado Boulder80309 United States Material Science and Engineering Program University of Colorado Boulder80309 United States

We present progress towards an imaging magnetometer using a magneto-optical polymer nanocomposite thin film, experimentally demonstrating 29nT/√Hz sensitivity with © 2024 The Author(s). © Optica Publishing ... 详细信息

关键词： Heterodyne detection

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Change of Electrical and Transport Properties of Nickel Oxide by Carrier Concentration and Temperature through First‑Principle Calculations

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Nanomanufacturing and Metrology 2023年第4期6卷 109-118页

作者： Nayem Md.Reza Shah Chang‑Dong Yeo Minyeong Choi Yang‑Ki Hong Jeong H.You Department of Mechanical Engineering Texas Tech UniversityLubbockTX 79409USA Department of Electrical and Computer Engineering and Material Science Ph.D.Program The University of AlabamaTuscaloosaAL 35487USA Department of Mechanical Engineering School of EngineeringUniversity of St.ThomasSt.PaulMN 55105USA

Nickel is typically used as one of the main components in electrical contact devices or *** oxide(NiO)is usually formed on the surfaces of electrodes and can negatively impact system performance by introducing electrical contact *** thermal,electrical,and transport properties of NiO,as a Mott insulator or a p-type semiconductor,can be altered by operating and environmental conditions such as temperature and stress/strain by *** this study,we inves-tigate the fundamental material properties of NiO through the first-principle ***,we obtain and compare the lattice parameter,magnetic moment,and electronic structure for NiO via the WIEN2K simulations with four different poten-tials(i.e.,GGA,GGA+U,LSDA,and LSDA+U).Then,using the WIEN2K simulation results with LSDA+U potential that produces a highly accurate bandgap for NiO,we calculate the electrical conductivity and electrical part of the thermal conductivity of nickel and NiO as a function of temperature and carrier concentration through the BoltzTraP *** simulation results revealed that the electrical conductivity relative to the relaxation time for NiO increases with the carrier concentration,while it shows a slightly decreasing trend with temperature under a fixed carrier *** contrast,the electrical part of the thermal conductivity shows an increasing trend considering carrier concentration and temperature.

关键词： Nickel oxide Magnetic moments Density of states Seebeck coefcient Electrical conductivity

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Effect of chemical composition and microstructure on the thermal conductivity of Mg-Al-Ca alloys

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Keikinzoku/Journal of Japan Institute of Light Metals 2024年第1期74卷 9-13页

作者： Kirimoto, Yuichi Kondo, Natsuki Ito, Mizuki Tsukeda, Tadayoshi Aida, Tetsuo Tabata, Hironobu Kurihara, Hideki Suzuki, Mayumi Department of Nano and Functional Material Science Graduate School of Science and Engineering for Education University of Toyama 3190 Gofuku Toyama-shi Toyama930-8555 Japan School of Sustainable Design Materials and Engineering University of Toyama Toyama-shi Toyama Japan Program of Materials Science and Engineering Studies in Science and Engineering Graduate School of Science and Engineering University of Toyama Toyama-shi Toyama 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-shi Saitama Japan Department of Mechanical Systems Engineering Faculty of Engineering Toyama Prefectural University Imizu-shi Toyama Japan

In recent years, the increasing demand for electric vehicles, digital devices such as PCs and smartphones, and renewable energy storage systems has created a need for higher-performance batteries. Accordingly, the thermal conductivity of the case that houses the battery is becoming increasingly important. In this study, compositions with high thermal conductivity and good castability were investigated, focusing on Mg-Al-Ca alloys, and the relationship between the two was examined through thermal conductivity measurements and microstructural observations. As a result, the Mg-6%Al-4%Ca alloy was optimal in terms of castability and thermal conductivity. It was confirmed that a lower Al solid solution capacity and a higher purity of the matrix phase are important to improve the thermal conductivity. It is also suggested that the second phase, platelet Al2Ca, is likely to be recognized and enriched in the matrix, contributing to the improvement of thermal conductivity. The amount of Ca solid solution in the matrix was suggested to be reduced by the enrichment of Al in the matrix. The Ca solid solution in the matrix was found to be less effective in reducing thermal conductivity than the Al solid solution. © 2024 The Japan Institute of Light Metals.

关键词： Magnesium alloys

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Development of a novel quality control indicator for coffee roasting based on the digitalization of smell by a portable electronic nose 20

Development of a novel quality control indicator for coffee ...

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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

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MULTIFUNCTIONAL FIBERGLASS-REINFORCED COMPOSITES WITH LASER INDUCED GRAPHENE 23

MULTIFUNCTIONAL FIBERGLASS-REINFORCED COMPOSITES WITH LASER ...

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23rd International Conference on Composite materials, ICCM 2023

作者： Chen, Boyang Childress, Adam Nasser, Jalal Groo, LoriAnne Sodano, Henry A. Department of Aerospace Engineering University of Michigan Ann ArborMI48109 United States Department of Material Science and Engineering University of Michigan Ann ArborMI48109 United States Macromolecular Science and Engineering University of Michigan Ann ArborMI48109 United States

• Laser induced graphene is a novel technique to produce highly conductive graphitic materials at ambient temperature and pressure • Process raster's a CO2 laser on the surface of certain polymers to create the graphitic structure • Our results have shown that multifunctional composites can be fabricated that provide both improved strength and embedded sensing • Have measured damage progression on static and dynamics loading environments • Machine learning approach has been demonstrated to accurate predict remaining life in composite specimens. © 2023 International Committee on Composite materials. All rights reserved.

关键词： Graphene

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Development of Novel Ternary Alloy of CSiSn for Low-Cost Next Generation Photovoltaics

Development of Novel Ternary Alloy of CSiSn for Low-Cost Nex...

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11th Symposium on SiGe, Ge, and Related Compounds: materials, Processing, and Devices - In Memory of Qizhi Liu, held at the PRiME 2024 Meeting

作者： Banihashemian, S.F. Mahmoudi, M. Mosleh, A. Naseem, H.A. Department of Electrical Engineering University of Arkansas FayettevilleAR72701 United States Material Science & Engineering Program University of Arkansas FayettevilleAR72701 United States

ISBN: (纸本)9781623326630

The growing need for highly efficient solar cells calls for significant advancements in the development of a new material system to meet the needs of low-cost production. Current multi-junction solar cell alternatives are more costly to produce. This research showcases the development and analysis of a novel ternary material system, The CSiSn (CST) alloy, which shows potential for creating low-cost material with high absorption across solar spectrum. In this work, the following aspects regarding the CST material are investigated: 1) material modelling using density functional theory, 2) electronic band structure estimations, 3) low-temperature material growth technique via Plasma Enhanced Chemical Vapor Deposition (PECVD) system;4) advanced material and optical characterizations of CST alloys. Copyright © 2024 by The Electrochemical Society. All rights reserved.

关键词： Ternary alloys

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