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arXiv 2023年

作者： Stratton, Benjamin Hsieh, Chung-Yun Skrzypczyk, Paul Quantum Engineering Centre for Doctoral Training H. H. Wills Physics Laboratory Department of Electrical & Electronic Engineering University of Bristol BS8 1FD United Kingdom H.H. Wills Physics Laboratory University of Bristol Tyndall Avenue BristolBS8 1TL United Kingdom CIFAR Azrieli Global Scholars Program CIFAR Toronto Canada

Information is instrumental in our understanding of thermodynamics. Their interplay has been studied through completely degenerate Hamiltonians whereby the informational contributions to thermodynamic transformations can be isolated. In this setting, all states other then the maximally mixed state are considered to be in informational non-equilibrium. An important yet still open question is: how to characterise the ability of quantum dynamics to maintain informational non-equilibrium? Here, the dynamical resource theory of informational non-equilibrium preservability is introduced to begin providing an answer to this question. A characterisation of the allowed operations is given for qubit channels and the n dimensional Weyl-covariant channels - a physically relevant subset of the general channels. An operational interpretation of a state discrimination game with Bell state measurements is given. Finally, an explicit link between a channels classical capacity and its ability to maintain informational non-equilibrium is made. Copyright © 2023, The Authors. All rights reserved.

关键词： Thermodynamics

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Review on cold-formed steel beam-column, apex and eaves, and truss joint

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AIP Conference Proceedings 2024年第1期3116卷

作者： R. M. Fadel Satria Albimanzura Anis Saggaff Mahmood Md Tahir Kiagus Muhammad Aminuddin Doctoral Student of Engineering Science Study Program Doctoral Faculty of Engineering Sriwijaya University Indralaya Indonesia Civil Engineering Faculty of Engineering Sriwijaya University Indralaya Indonesia Institute for Smart Infrastructure and Innovative Construction (ISIIC) Construction Research Centre (CRC) School of Civil Engineering University Teknologi Malaysia Johor Bahru Malaysia

Light steel framing using the Cold-Formed Steel (CFS) sections is one of the Industrialized Building Systems (IBS) highly recommended for our construction industry; it not only contributes to speeding up construction time and reducing material usage but also guarantees the quality of the building. A relentless study has been conducted to achieve the appropriate configuration to ensure CFS popularity by introducing different types of joints applicable in constructing lightweight steel framing. A review of the CFS joint is provided in this study. The CFS joint is focused on the beam-column joint, apex and eaves, and truss joint. The study is mapped to establish research trends on CFS joints. Some areas show limited study and need future research on the proposed joints’ structural behavior aspects.

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Preparation and properties of bimetallic Co/Cu ZIF-67 for electrochemical application 1

Preparation and properties of bimetallic Co/Cu ZIF-67 for el...

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1st Annual International Conference on Sensor Technology, INCOST 2023

作者： Wulandari, C. Gumilar, G. Nugraha Wasisto, H.S. Iqbal, M. Irzaman Nugroho, W.S. Rusydi, F. Doctoral Program of Engineering Physics Faculty of Industrial Technology Institut Teknologi Bandung Ganesha 10 Bandung40132 Indonesia Advanced Functional Materials Research Group Institut Teknologi Bandung Bandung40132 Indonesia PT Biostark Analitika Inovasi Bandung40375 Indonesia Bandung40135 Indonesia Research Center for Nanosciences and Nanotechnology Institut Teknologi Bandung Bandung40132 Indonesia PT Nanosense Instrument Indonesia Umbulharjo Yogyakarta55167 Indonesia Department of Physics Faculty of Mathematics and Natural Sciences IPB University Bogor16680 Indonesia Departement of Veterinary Public Health Faculty of Veterinary Medicine Universitas Gadjah Mada Yogyakarta55281 Indonesia Department of Physics Faculty of Science and Technology Universitas Airlangga Surabaya60115 Indonesia

Efforts to enhance the electrochemical properties of materials have become the focus of numerous studies because these properties are essential in various fields of application. Zeolitic imidazole framework-67 (ZIF-67) is a type of metal-organic framework (MOFs) expected to demonstrate excellent performance in electrochemical applications due to its numerous distinct properties. Consequently, various strategies and techniques have been developed to improve the electrochemical performance of ZIF-67. In this study, we employed bimetallic ZIF-67 constructed with cobalt (Co) and copper (Cu) metal ions within the imidazole frameworks. The use of bimetal is expected to increase conductivity and fine-tune the physicochemical properties of ZIF-67. Using coprecipitation methods, we synthesized both single-metal and bimetallic ZIF-67 and compared their characterizations. The addition of Cu metal ions does not alter the materials phase, ensuring compatibility with the single-metal ZIF-67 structure. However, the rhombic dodecahedron morphology of ZIF-67 shifts from a smooth to a concave and rough surface in Co/Cu ZIF-67. Furthermore, Co/Cu ZIF-67 exhibits higher peak current on their cyclic voltammetry (CV) curve by 46.15 μA. The results effectively illustrate the advantages of bimetal on ZIF-67 properties and performance. Finally, this study succesfully briefly demonstrate the potential development of Co/Cu-based ZIF-67 for various electrochemical applications. © Published under licence by IOP Publishing Ltd.

关键词： Metal ions

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Enhanced photodegradation of pentafluoropropionic acid (PFPA) via TiO₂-synthetic zeolite composites: A sustainable approach for effective defluorination

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Journal of Water Process engineering 2024年 62卷

作者： Halder, Subham Chou, Feng-Chih Wan, Tsz-Kin Tsai, Yi-Tien Cheng, Pei-Cheng Lin, Yuan-Chung Institute of Environmental Engineering National Sun Yat-Sen University Kaohsiung 804 Taiwan Center for Emerging Contaminants Research National Sun Yat-Sen University Kaohsiung 804 Taiwan Department of Public Health College of Health Science Kaohsiung Medical University Kaohsiung 807 Taiwan Doctoral Degree Program in Toxicology College of Pharmacy Kaohsiung Medical University Kaohsiung 807 Taiwan

Water pollution stemming from non-metal contaminants, notably fluorine, poses a grave health risk. The prevalent organic fluoride called pentafluoropropionic acid (PFPA), necessitates efficient remediation. Employing photocatalysis, this study strives to synthesize titanium dioxide (TiO₂) via microwave assisted sol-gel technique, integrating a natural-resource-based zeolite carrier to synthesize photocatalyst/zeolite nanocomposite for the removal of fluorinated compounds from water by degradation of PFPA. Minitab-17 facilitates data analysis, with the reaction surface (RS) method optimizing parameters: 0.5 g dosage, UV irradiation, and alkaline conditions. The RS model predicts a 60.2 % removal efficiency, closely aligning with the observed 58.7 % removal. Energy efficiency is pursued through microwave hydrothermal synthesis, while secondary aluminium slag and waste glass contribute to zeolite synthesis, promoting waste reduction and recycling in harmony with circular economy principles. © 2024

关键词： Degradation Pentafluoro propionic acid (PFPA) Response surface (RS) Titanium dioxide (TiO2) Ultraviolet (UV) Zeolite

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Evaluation of differences in polyethersulfone membrane modification techniques using bio-additive dragon blood resin

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AIP Conference Proceedings 2024年第1期3082卷

作者： Aulia Chintia Ambarita Sri Mulyati Nasrul Arahman Muhammad Roil Bilad Doctoral Program School of Engineering Post Graduate Program Universitas Syiah Kuala Banda Aceh 23111 Indonesia Department of Chemical Engineering Faculty of Engineering Universitas Syiah Kuala Banda Aceh 23111 Indonesia Department of Chemical and Process Engineering Faculty of Integrated Technologies Universiti Brunei Darussalam Jalan Tungku Link Gadong BE1401 Brunei

Membrane surface modification is one of the simplest ways to enhance the anti-fouling attribute of a polyethersulfone (PES)-based membrane. This paper compared two modification methods of PES membranes using dragon blood resin (DBR) additive via blending in the dope solution and coating a pristine PES membrane. The effect of modification methods was evaluated based on the properties and performances of the resulting membranes. Results show that the DBR-blended membrane exhibits higher water permease but lesser humic acid rejection than the DBR-coated membrane. Characteristics of contact angle, porosity, and pore size showed linear results on permease performance. The FTIR spectrum did not reveal any new groups but differed only on peak intensity. The DBR-coated membrane showed excellent anti-fouling properties as demonstrated by a flux recovery percentage of > 350%.

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A Preliminary Study of Decision Support Model of Photovoltaic for Village Area in South of Sumatera

A Preliminary Study of Decision Support Model of Photovoltai...

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International Conference on Informatics, Multimedia, Cyber and Information System (ICIMCIS)

作者： Feby Ardianto Ermatita Ermatita Armin Sofijan Vina Ayumi Handrie Noprisson Mariana Purba Doctoral Program in Engineering Science Universitas Sriwijaya Palembang Indonesia Engineering Faculty Universitas Muhammadiyah Palembang Palembang Indonesia Faculty of Computer Science Universitas Sriwijaya Palembang Indonesia Engineering Faculty Universitas Sriwijaya South Sumatera Indonesia Faculty of Computer Science Universitas Mercu Buana Jakarta Indonesia Faculty of Computer Science Universitas Sjahyakirti Palembang Indonesia

ISBN: (纸本)9781665473286

Indonesia has a very high potential for solar energy irradiation, including in 66 countries in the sunbelt area. This can be alternative for power generation system that converts energy sources from solar radiation into electricity through solar cells or photovoltaic cells. This research goal is to develop an initial decision support model for the photovoltaic village area in South Sumatra, Indonesia. This research was conducted six months in Pandan Arang Village, Kandis District, Ogan Ilir Regency, South Sumatra. As the result, the proposed model is consisted of four sub-system, including photovoltaic system, data logger, database management and decision support system. Based on the results of experiments on solar panels with the parameters of current, voltage and light intensity, the highest value of light intensity was 1989.1 W/m2, while the voltage and current of 15.49V and current of 14.91 A were displayed through a 16x2 LCD display which served as information display in real time. The expected result in this study is an alternative fault detection PV system in the form of normal conditions, shadows, and overloads.

关键词： Decision support systems Databases Photovoltaic cells Fault detection Voltage Real-time systems Liquid crystal displays

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Cross-system biological image quality enhancement based on the generative adversarial network as a foundation for establishing a multi-institute microscopy cooperative network

arXiv

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arXiv 2024年

作者： Panek, Dominik Rząca, Carina Szczypior, Maksymilian Sorysz, Joanna Misztal, Krzysztof Baster, Zbigniew Rajfur, Zenon Doctoral School of Exact and Natural Sciences Jagiellonian University ul. Lojasiewicza 11 Kraków30-348 Poland Department of Molecular and Interfacial Biophysics Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University ul. Lojasiewicza 11 Kraków30‑348 Poland Undergraduate Program in Biophysics Faculty of Physics Astronomy and Applied Computer Science Jagiellonian University ul. Lojasiewicza 11 Kraków30‑348 Poland Undergraduate program in Biomedical Engineering Faculty of Electrical Engineering Automatics Computer Science and Biomedical Engineering AGH University of Science and Technology Al. A. Mickiewicza 30 Building B-1 Kraków30-059 Poland Division of Computational Mathematics Faculty of Mathematics and Computer Science Jagiellonian University 6 Lojasiewicza St. Kraków Poland

High-quality fluorescence imaging of biological systems is limited by processes like photobleaching and phototoxicity, and also in many cases, by limited access to the latest generations of microscopes. Moreover, low temporal resolution can lead to a motion blur effect in living systems. Our work presents a deep learning (DL) generative-adversarial approach to the problem of obtaining high-quality (HQ) images based on their low-quality (LQ) equivalents. We propose a generative-adversarial network (GAN) for contrast transfer between two different separate microscopy systems: a confocal microscope (producing HQ images) and a wide-field fluorescence microscope (producing LQ images). Our model proves that such transfer is possible, allowing us to receive HQ-generated images characterized by low mean squared error (MSE) values, high structural similarity index (SSIM), and high peak signal-to-noise ratio (PSNR) values. For our best model in the case of comparing HQ-generated images and HQ-ground truth images, the median values of the metrics are 6·10-4, 0.9413, and 31.87, for MSE, SSIM, and PSNR, respectively. In contrast, in the case of comparison between LQ and HQ ground truth median values of the metrics are equal to 0.0071, 0.8304, and 21.48 for MSE, SSIM, and PSNR respectively. Therefore, we observe a significant increase ranging from 14% to 49% for SSIM and PSNR respectively. These results, together with other single-system cross-modality studies, provide proof of concept for further implementation of a cross-system biological image quality enhancement. © 2024, CC BY-SA.

关键词： Fluorescence imaging

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Monitoring System for Elderly Health Care Using Smart Band, Raspberry Pi, and Node-Red

Monitoring System for Elderly Health Care Using Smart Band, ...

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Electronic and Electrical engineering and Intelligent System (ICE3IS), International Conference on

作者： Yudhi Ardiyanto Kusworo Adi Kurnianingsih Karisma Trinanda Putra Pradityo Utomo Doctoral Program of Information System School of Postgraduate Studies Universitas Diponegoro Semarang Indonesia Department of Electrical Engineering Faculty of Engineering Universitas Muhammadiyah Yogyakarta Yogyakarta Indonesia Department of Physics Faculty of Science and Mathematics Universitas Diponegoro Semarang Indonesia Department of Electrical Engineering Faculty of Engineering Politeknik Negeri Semarang Semarang Indonesia Department of Informatics Management Faculty of Engineering Universitas Merdeka Madiun Madiun Indonesia

ISBN: (纸本)9781665465427

The decline in physical, cognitive, and sensory functions for most elderly people leads to the development of several health issues such as memory loss, a tendency to fall, dizziness, and reduced ability to care for oneself independently. These can be mitigated using devices designed to monitor vital signs and human activity such as a smart band. However, the application of a smart band is characterized by a disadvantage which involves storing user data in the vendor's cloud and only one device can access the client applications. Therefore, nurses, doctors, and family members cannot simultaneously analyze data and receive alerts when abnormal conditions occur in elderly patients. This study aims to develop a system capable of monitoring the health conditions of multiple elderly individuals and sending alerts during abnormal conditions based on the heart rate value read by the smart band sensor. The process involved installing a database on the Raspberry Pi to store data while a monitoring system was built on the Node-RED platform to display elderly health data and made it accessible locally. The detection of an abnormal heart rate condition in the elderly patient leads the system to send notifications via telegram to multiple receivers registered in the system using their telegram identity.

关键词： Heart rate Electrical engineering Cloud computing Databases Medical services Receivers Older adults

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Supply chain information system for product management control using rule based reasoning model

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AIP Conference Proceedings 2023年第1期2665卷

作者： Mufadhol Mufadhol Mustafid Mustafid Suryono Suryono Doctoral Program of Information System School of Postgraduate Studies Diponegoro University Semarang Indonesia Department of Informatics Engineering STEKOM University Semarang Indonesia

Accuracy, fast and efficiency in performing digital transactions are needed especially during the pandemic covid 19, this need to be done for persevering and improving customer confidence. The supply chain is a concept applied by companies to analyze production needs from raw material providers, transportation to be used, production processes and even determine expeditions to send goods to customers according to a predetermined time. This research has never been done by other researchers where the supply chain process is carried out by a company by involving algorithms in computer science in the form of applying rule based reasoning methods to obtain optimal results. The supply chain information system combined with the rule based reasoning method allows companies to control production management that can improve product quality even up to the marketing model that will be used accompanied by consultants who are experts in their fields and can communicate actively to customers so that customers feel satisfied and feel well served. Computational rules will be run through the system developed in the form of rule based reasoning so that the company can obtain fast and precise analysis to take a decision with the purpose of obtaining the maximum benefit from any activities and transactions.

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Effect of Edible Film Nano-Biocomposite Packaging and Storage Temperature on the Store Quality of Strawberry (Fragaria X Ananassa ***)

SSRN

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SSRN 2023年

作者： Aprilia, Sri Ratna Arahman, Nasrul Munawar, Agus Arip Department of Agricultural Engineering Universitas Syiah Kuala Darussalam Banda Aceh23111 Indonesia Doctoral Program School of Engineering Post Graduate Program Universitas Syiah Kuala Darussalam Banda Aceh23111 Indonesia Department of Chemical Engineering Universitas Syiah Kuala Darussalam Banda Aceh23111 Indonesia Graduate School of Environmental Management Universitas Syiah Kuala Darussalam Banda Aceh23111 Indonesia Research Center for Environmental and Natural Resources Universitas Syiah Kuala Jl. Hamzah Fansuri No. 4 Darussalam Banda Aceh23111 Indonesia Atsiri Research Center Universitas Syiah Kuala Jl. Syeh A. Rauf Darussalam Banda Aceh23111 Indonesia

An edible film is a type of bioplastic packaging that can be used to package strawberries. Therefore, this study aimed to determine the packaging effect using nanobiocomposite edible film based on gelatin/nanocrystalline cellulose with the addition of antioxidants nanopropolis and storage temperature on the quality and shelf life of strawberries. The strawberries fruit were packed with edible film nanobiocomposite and stored at 5°C, 10°C, and 30°C. The parameters analyzed were water content, Vitamin C, hardness, total dissolved solids, pH, and shelf life. The results showed that the water content ranged from 23.95 to 65.89%w/b at the end of the storage period and was stable at 5°C and 10°C. Furthermore, hardness at the end of storage ranged from 0.265 to 0.431 kg/cm2 and all treatments experienced a decrease in Vitamin C content during storage. The total dissolved solids content at the end of storage was 5.92-12%Brix, with a shelf life ranging from 3-21 days of storage, as determined by all treatment parameters. These results showed that bionanocomposite edible film packaging can increase the shelf life of strawberries. © 2023, The Authors. All rights reserved.

关键词： Food storage

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