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Consumer behavior in clothing industry and its relationship with open innovation dynamics during the covid-19 pandemic

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Journal of Open Innovation: Technology, Market, and Complexity 2021年第4期7卷 211页

作者： Ong, Ardvin Kester S. Cleofas, Maria Arielle Prasetyo, Yogi Tri Chuenyindee, Thanatorn Young, Michael Nayat Diaz, John Francis T. Nadlifatin, Reny Redi, Anak Agung Ngurah Perwira School of Industrial Engineering and Engineering Management Mapúa University 658 Muralla St. Manila 1002 Philippines School of Graduate Studies Mapúa University 658 Muralla St. Intramuros Manila 1002 Philippines Department of Industrial Engineering Faculty of Engineering University of Santo Tomas Manila 1015 Philippines Navaminda Kasatriyadhiraj Royal Thai Air Force Academy Bangkok 10220 Thailand Department of Finance and Accounting Asian Institute of Management Manila 1229 Philippines Department of Information Systems Institut Teknologi Sepuluh Nopember Kampus ITS Sukolilo Surabaya 60111 Indonesia Industrial Engineering Department BINUS Graduate Program—Master of Industrial Engineering Bina Nusantara University Jakarta 11480 Indonesia

The fashion industry has been continuously growing over the years, yet it is an industry that was greatly affected by the COVID-19 pandemic. The purpose of the study was to determine the factors affecting buying behavior of Filipinos towards clothing apparel during the COVID-19 pandemic. There were 457 respondents who voluntarily participated and answered an online questionnaire. Structural equation modeling (SEM) indicated that marketing mix was found to have significant effects on attitude, subjective norm, and perceived behavioral control, which subsequently led to purchase intention. In addition, the COVID-19 latent variable was found to have significant effects on self-perceived severity and self-efficacy, which subsequently led to attitude and purchase intention. Interestingly, marketing mix was found to have the highest effect on actual purchase, which indicated that innovation dynamics are the keys for the buying behavior. The SEM construct can be applied to determine the clothing apparel buying behaviors of consumers in other countries, particularly during the COVID-19 pandemic. Finally, advertisements, promotions, sales, and health safety should be considered as innovation dynamics during the COVID-19 pandemic. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.

关键词： Consumer behavior COVID-19 pandemic Fashion industry Innovation dynamic Open innovation Protection motivation theory Theory of planned behavior

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A model for renewable energy symbiosis networks in eco-industrial parks

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IFAC-PapersOnLine 2020年第2期53卷 13137-13142页

作者： Maria Angela Butturi Miguel A. Sellitto Francesco Lolli Elia Balugani Alessandro Neri Department of Sciences and Methods for Engineering University of Modena and Reggio Emilia 42100 Reggio Emilia Italy Production and Systems Engineering Graduate Program Universidade do Vale do Rio dos Sinos 93.022-000 Brazil

Renewable energy technologies integration within industrial districts can boost carbon emissions reduction in the industry sector. The eco-industrial parks model promotes the sustainable use of energy and the application of energy synergies and energy exchanges that can include renewable sources of energy. This paper presents an optimization methodology based on a multi-stakeholder perspective to evaluate energy symbiosis including the integration of renewable energy sources within the parks. The study results in three scenarios providing to managers of single firms and parks relevant information for supporting decision making regarding the economic sustainability and the environmental impacts of the energy synergies. The results show that the optimization of the collective point of view ensures more efficient management of the energy supplied by renewables as well as by firms that can provide an energy surplus.

关键词： Renewable energy systems Decision making Models Environment Energy dependence Energy management system industrial production systems

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Concept development of exercise-to-power: The Green&Healthy power concept

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Cleaner Energy systems 2024年 8卷

作者： Herwin Saito Schultz Carlos Eduardo Keutenedjian Mady Monica Carvalho Graduate Program in Mechanical Engineering Federal University of Paraíba. João Pessoa Brazil Institute of Energy and Environment University of São Paulo São Paulo Brazil Department of Renewable Energy Engineering Federal University of Paraíba. João Pessoa Brazil

Energy harvesting systems can capture and convert small amounts of energy from various natural sources, contributing to offsetting the growing global energy challenges without incurring the depletion of additional energy resources. Human kinetic energy can be obtained from physical exercise - in indoor cycling, the athlete's metabolic energy converts into heat, enthalpy (to the environment), and work. This study reports on the concept development of the Green&Healthy Power system, an energy harvesting system that collects energy from physical activities. A case study based on an indoor bike generator as a conceptual innovation is presented. The user can select the intensity of effort in which the exercise occurs to produce electricity. Using situations based on literature results, the gains are evaluated by measuring aerobic endurance. The user is informed about the health benefits of the exercise (traditional indices), the energy produced, and the greenhouse gas emissions avoided. This study also reviews some aspects of precedent practices, highlighting the concept's challenging characteristics and setting out the initial formulation of the Green&Healthy Power system. This contribution defines research, development, and demonstration priorities for new ideas and technologies to improve energy efficiency and reduce the final consumption of primary energy. As results of the study case, initial figures indicate that 1000 people performing 20 min of activities on the energy harvesting system three times a week can avoid annual emissions of 180 kg CO 2 and produce 800 kWh/year of electricity, resulting in savings of R$ 800/year. Brazil has a population of 200 million inhabitants and if 1 % of the population carried out this activity, electricity generation could reach up to 1.6 TWh/month (= 19.2 TWh/year), representing 3.4 % of electricity flows within the Brazilian electricity matrix.

关键词： Harvest energy Electricity generation Physical exercises Improvement of public health Life cycle assessment ADP Adenosine Diphosphate ATP Adenosine Triphosphate EHF Energy Harvest Farm EHS Energy Harvesting systems GHG Greenhouse Gases

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Rational Design of Safer Inorganic Nanoparticles via Mechanistic Modeling-Informed Machine Learning

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ACS Nano 2025年第23期19卷 21538-21555页

作者： Cave, Joseph Christiono, Anne Schiavone, Carmine Pownall, Henry J. Cristini, Vittorio Staquicini, Daniela I. Pasqualini, Renata Arap, Wadih Brinker, C. Jeffrey Campen, Matthew Wang, Zhihui Van Nguyen, Hien Noureddine, Achraf Dogra, Prashant Mathematics in Medicine Program Department of Medicine Houston Methodist Research Institute Houston 77030 TX United States Physiology Biophysics and Systems Biology Program Graduate School of Medical Sciences Weill Cornell Medicine New York 10065 NY United States Department of Electrical Engineering and Computer Science Massachusetts Institute of Technology Cambridge 02139 MA United States Department of Chemical Materials and Industrial Production Engineering University of Naples Federico II Naples 80138 Italy Department of Medicine Houston Methodist Houston 77030 TX United States Department of Medicine Weill Cornell Medicine New York 10065 NY United States Neal Cancer Center Houston Methodist Research Institute Houston 77030 TX United States Department of Imaging Physics University of Texas M.D. Anderson Cancer Center Houston 77030 TX United States Rutgers Cancer Institute Newark 08901 NJ United States Division of Cancer Biology Department of Radiation Oncology Rutgers New Jersey Medical School Newark 08901 NJ United States Division of Hematology/Oncology Department of Medicine Rutgers New Jersey Medical School Newark 08901 NJ United States Department of Chemical and Biological Engineering University of New Mexico Albuquerque 87106 NM United States College of Pharmacy University of New Mexico Albuquerque 87106 NM United States Department of Physiology and Biophysics Weill Cornell Medical College New York 10065 NY United States Department of Electrical and Computer Engineering University of Houston Houston 77204 TX United States

The safety of inorganic nanoparticles (NPs) remains a critical challenge for their clinical translation. To address this, we developed a machine learning (ML) framework that predicts NP toxicity both in vitro and in vivo, leveraging physicochemical properties and experimental conditions. A curated in vitro cytotoxicity dataset was used to train and validate binary classification models, with top-performing models undergoing explainability analysis to identify key determinants of toxicity and establish structure-toxicity relationships. External testing with diverse inorganic NPs validated the predictive accuracy of the framework for in vitro settings. To enable organ-specific toxicity predictions in vivo, we integrated a physiologically based pharmacokinetic (PBPK) model into the ML pipeline to quantify NP exposure across organs. Retraining the ML models with PBPK-derived exposure metrics yielded robust predictions of organ-specific nanotoxicity, further validating the framework. This PBPK-informed ML approach can thus serve as a potential alternative approach to streamline NP safety assessment, enabling the rational design of safer NPs and expediting their clinical translation. © 2025 The Authors. Published by American Chemical Society.

关键词： artificial intelligence cytotoxicity machine learning mathematical modeling nanoparticle nanotoxicity PBPK

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From farm to land: Characteristics of biochar for agricultural purposes 27th

From farm to land: Characteristics of biochar for agricultur...

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27th European Biomass Conference and Exhibition, EUBCE 2019

作者： de Souza, Débora Machado Kappler, Genyr Bueno, Andriele Brizolla Silva, Jenifer Lima da Modolo, Regina Célia Espinosa Moraes, Carlos Alberto Mendes Tarelho, Luís António da Cruz Brehm, Feliciane Andrade Graduate Program in Mechanical Engineering University of Vale do Rio dos Sinos-UNISINOS São LeopoldoRS93022-000 Brazil Graduate Program in Civil Engineering UNISINOS Portugal Undergraduate students in Environmental Engineering UNISINOS Portugal Department of Environment and Planning/CESAM University of Aveiro Aveiro3810193 Portugal

Agribusiness has a significant role in the life of billions of people and is an essential component in the economy of many countries. In Brazil agribusiness is one of the most prominent components in the economy and it accounted for 21% of the Gross Domestic Product in 2016. The soil is a non-renewable resource, and its adequate management becomes increasingly relevant to maintain its fertility and ensure the production of food to supply the population and industries in the food sector. The use of chemical fertilizers and mineral correctives is a requirement of modern agriculture and is practically indispensable for the management of crops. However, it is not an environmental friendly management technique method and may cause economic losses. On the other hand, there is an acknowledgment of nature-based solutions that contribute to improving soil quality while reducing the environmental burden from modern agrosystem. The choice for utilizing rice husk as biomass feedstock in this research is based on the current reality of Brazil, where there is an annual production of approximately 11.7 million tons of rice, from which around 20% become residue. Considering that Brazil has large areas of cultivation and that agriculture residues are still underutilized, the objective of this study was to evaluate the influence of biochar obtained from rice husk in the fertility of soil based on two parameters, which are porosity and water holding capacity. The conversion of agricultural residues into soil conditioners, i.e., closing the cycle of nutrients from farm to land, is an interesting option for sustainable resource management, which should also encompass the environmental, social and economic aspects. © 2019 ETA-Florence Renewable Energies.

关键词： Agriculture Biochar Biomass Fertilizers

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Ontology and Rules for Characterization of Sensors and Actuators Devices in AADL Models

Ontology and Rules for Characterization of Sensors and Actua...

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Brazilian Symposium on Computing System engineering (SBESC)

作者： Diego Camara Sales Cristian Koliver Leandro Buss Becker UFSC Florianopolis SC Brazil Federal Institute of Amazon - IFAM Campus Manaus Distrito Industrial AM Brazil Graduate Program on Automation Systems Engineering (PGEAS) UFSC Florianopolis SC Brazil

ISBN: (数字)9781728182865

ISBN: (纸本)9781728182872

This paper presents a set of ontologies to organize concepts, categories, properties, and relationships that are typically used by designers for characterizing sensing and actuation devices that compose a given system architecture (SA). From the characterization of such devices, modeling can be done using the Architecture Analysis and Design Language (AADL). AADL supports modeling and analysis of functional and nonfunctional properties to evaluate quality attributes from ontology models. The paper also proposes an AADL property set that can be applied to sensors and actuators (S&A), based on previous researches with ontologies applied to sensor networks. Specific characteristics are provided to describe systems' quality attributes. This aims to be used for analyzing the designed architecture, and also its probable future evolution.

关键词： Ontologies Actuators Software Sensor phenomena and characterization Computer architecture Standards ISO Standards

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Analysis of reaction kinetics for thermal degradation of hemp residues

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AIP Conference Proceedings 2022年第1期2681卷

作者： Panuphong Mankeed Thossaporn Onsree Nakorn Tippayawong 1Graduate Program in Energy Engineering Faculty of Engineering Chiang Mai University Chiang Mai Thailand 2Department of Mechanical Engineering Faculty of Engineering Chiang Mai University Chiang Mai Thailand

Hemp is becoming one of the high-value economic crops in Thailand and many countries, in which it is cultivated for specific industrial applications, such as seeds, fibers, and medicinal products. After production processing, hemp hurds or residues obtained were approximately 2/3 w/w of starting raw material. They may be used as a renewable material or fuel via thermo-chemical conversion. Therefore, the objective of this work was to investigate thermo-chemical degradation and kinetic behaviors of hemp residues using thermogravimetry with non-isothermal conditions of 10-50 °C/min heating rates under an inert environment. From the results, it was found that hemp residues appeared to have three zones of thermal decomposition. With devolatilization, the residues were highly decomposed at temperatures between 200 and 400 °C for about 60% w/w of mass loss. By Flynn-Wall-Ozawa (FWO), Kissinger-Akahira-Sunose (KAS), and Kissinger free-model methods, the kinetic parameters were evaluated. The activation energies for the FWO and KAS were found to be an inverse function of conversion fractions, varying from 250 to 370 kJ/mol with the average values of 265.5 and 291.5 kJ/mol, respectively. While, for Kissinger, the activation energy was a constant of 282.3 kJ/mol.

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Hydrophilic and Antibacterial Electrospun Nanofibers from Monofilament Fishing Lines

SSRN

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SSRN 2023年

作者： Ijaola, Ahmed Olanrewaju Mohammed, Qamar S. Obi, Mmasi Akamo, Damilola O. Ajiboye, Emmanuel Gboyega Twomey, Janet Yang, Shang-You Asmatulu, Eylem Department of Mechanical Engineering Wichita State University 1845 Fairmount St. WichitaKS67260 United States Bredesen Center for Interdisciplinary Research and Graduate Education University of Tennessee KnoxvilleTN37996 United States Department of Chemistry Wichita State University 1845 Fairmount St. WichitaKS67260 United States Department of Industrial Systems and Manufacturing Engineering Wichita State University 1845 Fairmount St. WichitaKS67260 United States Department of Orthopedic Surgery University of Kansas School of Medicine-Wichita Department of Biological Sciences Wichita State University WichitaKS67260 United States

Microplastics such as monofilament fishing lines (MFLs) are major pollutants in the marine environment and affect marine life and water quality. To solve this global menace, many researchers have been working on several ways to recycle these wastes and convert them into value-added products such as nanofibers. In this study, we produced novel nanofibers through the electrospinning of a polymeric solution consisting of MFL, hydroxyapatite (HAP), and silver nanoparticles (AgNPs). These fabricated nanofibers were further characterized to study their wettability, surface morphology, surface chemistry, thermal degradation, and antibacterial capability. Results from the incorporation of HAP and AgNPs showed increased fiber diameter and scattered fiber orientation. The addition of 0.4 and 1.5 wt% AgNPs to the nanofibers improved their thermal stabilities for temperatures above 350oC. The MFL + HAP + 1.5 wt% AgNPs nanofibers showed the best antibacterial performance against Escherichia coli (gram-negative) and Staphylococcus aureus (gram-negative), with bactericidal efficiencies of 70.5% and 68.6%, respectively. Also, increasing the size of the nanofiber aids cell proliferation. These fabricated nanofibers could be used for biomedical and water purification applications. © 2023, The Authors. All rights reserved.

关键词： Electrospinning

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Examination of appearance conditions of singular stress fields at the vertex and along the side of interface in prismatic butt joint

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Journal of Japan Institute of Electronics Packaging 2020年第2期23卷 155-165页

作者： Miyazaki, Tatsujiro Sato, Keisuke Fujiwara, Takahiro Noda, Nao-Aki Sano, Yoshikazu Energy and Environment Program School of Engineering Faculty of Engineering University of the Ryukyus 1 Senbaru Nishihara-cho Nakagami-gun Okinawa903-0213 Japan Department of Mechanical Systems Engineering Graduate School of Engineering and Science University of the Ryukyus 1 Senbaru Nishihara-cho Nakagami-gun Okinawa903-0213 Japan Department of Mechanical Engineering Graduate School of Engineering Kyushu Institute of Technology 1-1 Sensui-cho Tobata-ku Kitakyushu-shi Fukuoka804-8550 Japan

In this paper, we discuss the bad pair condition causing a singular stress at a vertex of the interface in three dimensional (3D) prismatic butt joints in comparison with the bad pair condition along the side. 3D finite element (FE) eigenanalysis is applied to obtain the singular index. We found that the bad pair condition at a vertex is slightly different from the well-known 2D bad pair condition α(α- 2β) > 0 , which can be expressed using Dundurs' parameter (α, β). It should be noted that in most cases the bad pair can be judged by (α, β) except for some cases where the bad pair depends on the material combination even under the same (α, β). To clarify the difference, the bad pair conditions are compared on the (α, β) diagram. For convenience, a simple expression for a bad pair is proposed on the basis of the theoretical consideration, and the validity is confirmed numerically. We also confirm that the bad pair condition along the side of the interface can be expressed using Dundurs' parameter as α(α- 2β) > 0 . © 2020 Japan Institute of Electronics Packaging. All rights reserved.

关键词： Stresses

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Enhanced Visual Feedback with Decoupled Viewpoint Control in Immersive Humanoid Robot Teleoperation using SLAM

Enhanced Visual Feedback with Decoupled Viewpoint Control in...

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IEEE-RAS International Conference on Humanoid Robots

作者： Yang Chen Leyuan Sun Mehdi Benallegue Rafael Cisneros-Limón Rohan P. Singh Kenji Kaneko Arnaud Tanguy Guillaume Caron Kenji Suzuki Abderrahmane Kheddar Fumio Kanehiro School of Integrative and Global Majors (SIGMA) University of Tsukuba Japan CNRS-AIST JRL (Joint Robotics Laboratory) IRL National Institute of Advanced Industrial Science and Technology (AIST) Department of Intelligent and Mechanical Interaction Systems Graduate School of Science and Technology University of Tsukuba Japan MIS lab Universite de Picardie Jules Verne Amiens France Faculty of Engineering and Center for Cybernetics Research University of Tsukuba Japan

ISBN: (数字)9798350309799

ISBN: (纸本)9798350309805

In immersive humanoid robot teleoperation, there are three main shortcomings that can alter the transparency of the visual feedback: (i) the lag between the motion of the operator's and robot's head due to network communication delays or slow robot joint motion. This latency could cause a noticeable delay in the visual feedback, which jeopardizes the embodiment quality, can cause dizziness, and affects the interactivity resulting in operator frequent motion pauses for the visual feedback to settle; (ii) the mismatch between the camera's and the headset's field-of-views (FOV), the former having generally a lower FOV; and (iii) a mismatch between human's and robot's range of motions of the neck, the latter being also generally lower. In order to leverage these draw-backs, we developed a decoupled viewpoint control solution for a humanoid platform which allows visual feedback with low-latency and artificially increases the camera's FOV range to match that of the operator's headset. Our novel solution uses SLAM technology to enhance the visual feedback from a reconstructed mesh, complementing the areas that are not covered by the visual feedback from the robot. The visual feedback is presented as a point cloud in real-time to the operator. As a result, the operator is fed with real-time vision from the robot's head orientation by observing the pose of the point cloud. Balancing this kind of awareness and immersion is important in virtual reality based teleoperation, considering the safety and robustness of the control system. An experiment shows that the effectiveness of our solution.

关键词： Point cloud compression Visualization Simultaneous localization and mapping Humanoid robots Virtual reality Real-time systems Robustness

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