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Automated classification of big X-ray diffraction data using deep learning models

npj Computational Materials 2023年第1期9卷 169-180页

作者： Jerardo E.Salgado Samuel Lerman Zhaotong Du Chenliang Xu Niaz Abdolrahim Materials Science program University of RochesterRochesterNew York 14627USA Department of Computer Science University of RochesterRochesterNew York 14627USA Department of Mechanical Engineering University of RochesterRochesterNew York 14627USA Laboratory for Laser Energetics University of RochesterRochesterNew York 14627USA

In current in situ X-ray diffraction(XRD)techniques,data generation surpasses human analytical capabilities,potentially leading to the loss of *** techniques require human intervention,and lack the performance and adaptability required for material *** the critical need for high-throughput automated XRD pattern analysis,we present a generalized deep learning model to classify a diverse set of materials’crystal systems and space *** our approach,we generate training data with a holistic representation of patterns that emerge from varying experimental conditions and crystal *** also employ an expedited learning technique to refine our model’s expertise to experimental *** addition,we optimize model architecture to elicit classification based on Bragg’s Law and use evaluation data to interpret our model’s *** evaluate our models using experimental data,materials unseen in training,and altered cubic crystals,where we observe state-of-the-art performance and even greater advances in space group classification.

关键词： Automate classify cubic

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Microneedle array facilitates hepatic sinusoid construction in a large-scale liver-acinus-chip microsystem

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Microsystems & Nanoengineering 2023年第3期9卷 333-346页

作者： Shibo Li Chengpan Li Muhammad Imran Khan Jing Liu Zhengdi Shi Dayong Gao Bensheng Qiu Weiping Ding Department of Electronic Engineering and Information Science University of Science and Technology of ChinaHefeiAnhui 230027China Department of Oncology the First Affiliated Hospital of USTCDivision of Life Sciences and MedicineUniversity of Science and Technology of ChinaHefeiAnhui 230001China Center for Biomedical Imaging University of Science and Technology of ChinaHefeiAnhui 230027China School of Biology Food and EnvironmentHefei UniversityHefeiAnhui 230601China Department of Mechanical Engineering University of WashingtonSeattleWA 98195USA

Hepatic sinusoids play a key role in maintaining high activities of liver cells in the hepatic ***,the construction of hepatic sinusoids has always been a challenge for liver chips,especially for large-scale liver ***,we report an approach for the construction of hepatic *** this approach,hepatic sinusoids are formed by demolding a self-developed microneedle array from a photocurable cell-loaded matrix in a large-scale liver-acinus-chip microsystem with a designed dual blood *** sinusoids formed by demolded microneedles and spontaneously self-organized secondary sinusoids can be clearly *** from significantly enhanced interstitial flows by formed hepatic sinusoids,cell viability is witnessed to be considerably high,liver microstructure formation occurs,and hepatocyte metabolism is *** addition,this study preliminarily demonstrates the effects of the resulting oxygen and glucose gradients on hepatocyte functions and the application of the chip in drug *** work paves the way for the biofabrication of fully functionalized large-scale liver bioreactors.

关键词： needle hepatic metabolism

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Towards understanding metallurgical defect formation of selective laser melted wrought aluminum alloys

Advanced Powder Materials

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Advanced Powder Materials 2022年第4期1卷 8-16页

作者： Jinliang Zhang Weihao Yuan Bo Song Shuo Yin Xiaobo Wang Qingsong Wei Yusheng Shi State Key Laboratory of Materials Processing and Die&Mould Technology School of Materials Science and EngineeringHuazhong University of Science and TechnologyWuhan 430074China Department of Mechanical Manufacturing and Biomedical EngineeringParsons BuildingDublin2Ireland

The formation of balling,porosity and cracking defects is a vital obstacle in selective laser melting of wrought Al ***,it lacks systematic research on the origins of these ***,the formation mechanisms and avoidance methods of metallurgical defects in slective laser melting(SLM)-processed Al-Cu-Mg alloy were investigated by numerical simulation and microstructure *** optimization by altering laser energy density can effectively suppress balling and porosity,thus enhancing relative *** results from the stress concentration and columnar grains arise due to the rapid cooling process during *** methods that promote the columnar-to-equiaxed grain transition,such as microalloying by Sc/Zr/Ti elements,co-incorporation of ceramic particles and introducing ultrasound,can effectively enhance the cracking resistance and mechanical properties of wrought Al alloys.

关键词： Selective lasermelting Al-Cu-Mg alloy Balling Porosity Cracking

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An On-Chip Viscoelasticity Sensor for Biological Fluids

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Cyborg and Bionic Systems 2023年第1期4卷 540-548页

作者： Qianbin Zhao Sheng Yan Boran Zhang Kai Fan Jun Zhang Weihua Li Hebei Key Laboratory of Biomaterials and Smart Theranostics School of Health Sciences and Biomedical EngineeringHebei University of TechnologyTianjin 300131China Institute for Advanced Study Shenzhen UniversityShenzhen 518060China School of Electrical and Electronic Engineering Nanyang Technological UniversitySingapore 639798Singapore Department of Precision Machinery and Precision Instrumentation University of Science and Technology of ChinaHefei 230026China Queensland Micro and Nanotechnology Centre Griffith UniversityBrisbaneQLD 4111Australia School of Mechanical MaterialsMechatronic and Biomedical EngineeringUniversity of WollongongWollongongNSW 2522Australia

There are so many non-Newtonian fluids in our daily life,such as milk,blood,cytoplasm,and mucus,most of which are viscoelastic heterogeneous liquid containing cells,inorganic ion,metabolites,and *** microfluidic microparticle-manipulating applications,the target particles are practically distributed within the biological fluids like blood and *** viscoelasticity of biological fluid is constantly ignored for simplicity especially when the fluid is substantially diluted and contains rather complex ***,even the fluid’s ultraweak viscoelasticity actually affects the microparticle migration and may bring a completely different behavior compared with the Newtonian *** a result,a robust and easy operated on-chip viscoelasticity sensor is potential and desired in many research and industrial fields,including assay sample preparation,clinical diagnostics,and on-chip *** this work,we employed stable non-Newtonian fluid-polyethylene oxide(PEO)solutions with various concentrations to investigate and calibrate effects of the weak fluidic viscoelasticity on microparticle behaviors in a double-layered microfluidic *** analogy-based database of fluidic patterns for viscoelasticity sensing and relaxation time measurement was ***,we tested different biological fluids including blood plasma and fetal bovine serum and proved that they exhibited similar viscoelasticity effects to the PEO solutions with the corresponding concentration,which reached a good agreement with available results by *** detection limitation of relaxation time can reach 1 *** promised a robust and integrated on-chip microfluidic viscoelasticity sensor for different biological fluids without complicated calculations.

关键词： Newtonian relaxation analogy

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Load Response of SOFC Triple Combined Cycle with Green Hydrogen Generation and Utilization Installed in Core Substations

Load Response of SOFC Triple Combined Cycle with Green Hydro...

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Power and Renewable Energy engineering (PREE), International Conference on

作者： Shafirah Khairina Budiawan Shin'ya Obara Department of Engineering Mechanical and Electrical Engineering Program Kitami Institute of Engineering Kitami Japan

A SOFC triple combined cycle power generation, consisting of a solid oxide fuel cell and gas turbine combined cycle is revealed to give efficiency improvement while reducing the amount of emissions in power generation. It comes from the fact that the exhaust heat generated from a cycle is further utilized for power generation in the next cycle. Studies concerning its designs and optimizations have been investigated, including the characteristics of the system. This study investigates the load following the response of a hydrogen-fueled triple combined cycle, where both the fuel cell and gas steam turbine run on hydrogen fuel. The hydrogen fuel consumed will be provided by a hydrogen generation system of a proton exchange membrane electrolyzer (PEMEC). The generated hydrogen is then stored in a hydrogen tank until further use. The Hydrogen generation triple combined cycle system is interconnected with a substation of renewable energy. Surplus electricity from renewables will be directed to power the electrolyzer.

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Maximum Application of Power Point Tracker on Microcontroller Based Dual Energy Solar Powered Dryer 3rd

Maximum Application of Power Point Tracker on Microcontrolle...

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3rd International Conference on Experimental and Computational Mechanics in engineering, ICECME 2021

作者： Jalil, Saifuddin Muhammad Husaini Munadi, Rizal Sara, Ira Devi Doctoral Program School of Engineering Post Graduate Program Universitas Syiah Kuala Banda Aceh23111 Indonesia Department of Electrical and Computer Engineering Universitas Syiah Kuala Darussalam Banda Aceh23111 Indonesia Department of Mechanical Engineering Universitas Syiah Kuala Darussalam Banda Aceh23111 Indonesia Department of Electrical Universitas Malikussaleh Lhokseumawe24351 Indonesia

ISBN: (纸本)9789811936289

Solar-powered dryers are still expensive and difficult to obtain for farmers with medium to low production capacity. For this reason, it is necessary to develop technology on a solar-powered dryer with a solar panel capacity of 200WP is equipped with a maximum power point tracker as an integrated solar collector with a photovoltaic system. The system in this solar-powered dryer consists of a solar panel tracker, a rotating aluminum cylinder net, a photovoltaic tracker, a battery bank, a microcontroller, and a DC/AC inverter. This system improves the performance of solar panels in the drying process of Moringa leaves. This design is expect to be the right system to ensure maximum results by providing solar radiation energy in the drying process of agricultural products. The aims goal to minimize problems in the drying of agricultural products experienced by farmers using an automatic dual-energy solar-powered dryer as a development innovation for the drying process. This study uses an experimental methodology and field data collection using a solar-powered dryer that has been analyzed and measured to obtain data comparisons. shows the maximum data of voltage and power response in positioning photovoltaic to produce the increased output power of photovoltaic array. Maximum application of powerpoint tracker on microcontroller based dual energy solar powered dryer on solar panels for drying moringa leaves produces the advantage of maximum energy absorption in solar panels and shortens the time in the drying process of moringa leaves. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Microcontrollers

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Computational investigation of the vibrational modes and parametric studies of through-wall acoustic energy transfer systems 16

Computational investigation of the vibrational modes and par...

引用

Active and Passive Smart Structures and Integrated Systems XVI 2022

作者： Winnard, T.J. Shahab, S. Department of Biomedical Engineering and Mechanics Virginia Tech BlacksburgVA20460 United States Department of Mechanical Engineering Virginia Tech BlacksburgVA20460 United States

ISBN: (数字)9781510649620

ISBN: (纸本)9781510649613

There is a clear need to power electronic components wirelessly. Various applications cannot be powered by wired or electromagnetic means. Acoustic energy transfer (AET) is an effective method in powering devices sealed or shielded by walls, and such applications are termed though-wall AET systems. These systems are constructed of a transmitter and a receiver that are bonded on opposite sides of the wall. Through-wall AET systems are typically modeled as three-layer systems. This method does not account for the additional layers created by the bonding agents that connect the transducers to the wall. Additionally, modeling of such systems assumes motion solely in the thickness direction. This assumption implies that the system undergoes "piston-like" deformation. This work addresses the need to computationally investigate through-wall AET systems and address the consequences of the aforementioned assumptions. © 2022 SPIE.

关键词： Finite element method

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Temperature-Dependent Hydrogen Modulations of Ultra-Scaled a-IGZO Thin Film Transistor Under Gate Bias Stress

IEEE Open Journal of Nanotechnology

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IEEE Open Journal of Nanotechnology 2024年 5卷 9-16页

作者： Aslam, Muhammad Chang, Shu-Wei Chuang, Min-Hui Chen, Yi-Ho Lee, Yao-Jen Li, Yiming Parallel and Scientific Computing Laboratory National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Electrical Engineering and Computer Science International Graduate Program National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Department of Electrical Engineering National Cheng Kung University Tainan701401 Taiwan Institute of Communications Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Graduate Degree Program of College of Electrical and Computer Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Institute of Pioneer Semiconductor Innovation National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Institute of Biomedical Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan Department of Electronics and Electrical Engineering National Yang Ming Chiao Tung University Hsinchu300093 Taiwan

Recently, a-IGZO has advanced toward the next-generation electronics system because of its compatibility with complementary metal oxide semiconductor (CMOS) and back-end-of-line (BOEL) based systems. A systematic electrical characterization of a-IGZO TFT related to reliability issues, such as positive bias temperature stress (PBTS) and negative bias temperature stress (NBTS), would entitle its integration into novel electronics systems. Unexpectedly, PBTS is characterized by the transition of positive Vth shift to negative Vth shift (ΔVth, the positive shift followed by the stress and temperature activated negative shift). This transition is attributed to charge trapping/trap-site generations and hydrogen migration to the active layer. The ΔVth shift mechanism depends on the temperature and voltage stress. On the other hand, a negative ΔVth shift has been observed during the NBTS operation and could be attributed to the hole trapping at the interface of GI/IGZO. An effective suppression of the gate leakage current has also been observed during reliability tests. Simulation results reveal a pronounced potential at the edges of source and drain regions, and considered the origin of hydrogen migration into the IGZO layer. Thermal image results also reveal the strong temperature/potential distribution at the edges of the source/drain regions, indorsing the simulation results. © 2020 IEEE.

关键词： Oxide semiconductors

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Facility Layout using Computer Routing: A Review

Facility Layout using Computer Routing: A Review

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Science, engineering and Business for Sustainable Development Goals (SEB-SDG), International Conference on

作者： Nduka Ekene Udoye Sociis Tobias Aguzie Okolie Ogechi Joy Nnamba Ojo Sunday Isaac Fayomi Solomon Banjo Department of Mechanical Engineering Covenant University Ota Lagos State Nigeria Department of Mechanical Engineering Gregory University Uturu Abia State Nigeria Department of Mechanical and Biomedical Engineering Bells University of Technology Ota Ogun State Nigeria Department of Mechanical Engineering Science University of Johannesburg Johannesburg South Africa Department of Mechanical Engineering College of Engineering Covenant University Ota Lagos State Nigeria

ISBN: (数字)9798350358155

ISBN: (纸本)9798350358162

Facility Layout is an essential aspect of any industry or firm because it determines how well the industry would operate when production begins and how productive its processes would be. Some of its objectives are to save cost, and time, improve productivity and enhance customer satisfaction. Facility layout design is also fundamental because it lays the foundation for how the layout would look before it is produced physically or further improved on. The review discusses how CORELAP is being implemented and its firms or industries' effects where it was implemented. From this review, it can be concluded that CORELAP is an efficient and effective technique that can be used to create new layouts and redesign existing layouts to reduce material handling distance, save time, and save costs incurred.

关键词： Industries Productivity Costs Reviews Layout Customer satisfaction Software algorithms

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Multiplexed Nanoscopy via Buffer Exchange

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ACS Nano 2024年第34期18卷 23445-23456页

作者： Chang, Ting-Jui Ben Yang, T. Tony Department of Electrical Engineering National Taiwan University Taipei10617 Taiwan Graduate Institute of Biomedical Electronics and Bioinformatics National Taiwan University Taipei10617 Taiwan Department of Physics National Taiwan University Taipei10617 Taiwan Nano Science and Technology Program Taiwan International Graduate Program Academia Sinica and National Taiwan University Taipei10617 Taiwan

Understanding cellular functions, particularly in their intricate complexity, can greatly benefit from the spatial mapping of diverse molecules through multitarget single-molecule localization microscopy (SMLM). Existing methodologies, primarily restricting the encoding dimensions to color and lifetime or requiring cyclic staining, often involve broad chromatic detection, specialized optical configurations, or sophisticated labeling techniques. Here, we propose a simple approach called buffer-exchange stochastic optical reconstruction microscopy (beSTORM), which introduces an additional dimension to differentiate between single molecules irrespective of their spectral properties. This method leverages the distinguishable photoblinking responses to distinct buffer conditions, offering a straightforward yet effective means of fluorophore discrimination. Through buffer exchanges, beSTORM achieves multitarget SMLM imaging with minimal crosstalk. Direct integration with expansion microscopy (ExM) demonstrates its capability to resolve up to six proteins at the molecular level within a single emission color without chromatic aberration. Overall, beSTORM presents a highly compatible imaging platform, promising significant advancements in highly multiplexed nanoscopy for exploring multiple targets in biological systems with nanoscale precision. © 2024 The Authors. Published by American Chemical Society.

关键词： Stochastic systems

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