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Optimization Model for Selecting Temporary Hospital Locations During COVID-19 Pandemic

Computers, Materials & Continua 2022年第1期70卷 397-412页

作者： Chia-Nan Wang Chien-Chang Chou Hsien-Pin Hsu Van Thanh Nguyen Viet Tinh Nguyen department of Industrial Engineering and Management National Kaohsiung University of Science and TechnologyKaohsiung80778Taiwan department of Shipping Technology National Kaohsiung University of Science and TechnologyKaohsiung80778Taiwan department of Supply Chain Management National Kaohsiung University of Science and TechnologyKaohsiung80778Taiwan Faculty of Commerce Van Lang UniversityHo Chi Minh City70000Vietnam

The two main approaches that countries are using to ease the strain on healthcare infrastructure is building temporary hospitals that are specialized in treating COVID-19 patients and promoting preventive *** such,the selection of the optimal location for a temporary hospital and the calculation of the prioritization of preventive measures are two of the most critical decisions during the pandemic,especially in densely populated areas where the risk of transmission of the virus is *** the location selection process or the prioritization of measures is poor,healthcare workers and patients can be harmed,and unnecessary costs may come into *** this study,a decision support framework using a fuzzy analytic hierarchy process(FAHP)and a weighted aggregated sum product assessment model are proposed for selecting the location of a temporary hospital,and a FAHP model is proposed for calculating the prioritization of preventive measures against COVID-19.A case study is performed for Ho Chi Minh City using the proposed decision-making *** contribution of this work is to propose a multiple criteria decision-making model in a fuzzy environment for ranking potential locations for building temporary hospitals during the COVID-19 *** results of the study can be used to assist decisionmakers,such as government authorities and infectious disease experts,in dealing with the current pandemic as well as other diseases in the *** the entire world facing the global pandemic of COVID-19,many scientists have applied research achievements in practice to help decision-makers make accurate decisions to prevent the *** the number of cases increases exponentially,it is crucial that government authorities and infectious disease experts make optimal decisions while considering multiple quantitative and qualitative *** such,the proposed approach can also be applied to support complex decision-making processes in a fuzzy environment in di

关键词： COVID-19 WHO MCDM preventive measures fuzzy theory FAHP WASPAS

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Static and Dynamic Integrated Analysis Scheme for Android Malware

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Journal of Electronic Science and Technology 2017年第3期15卷 246-250页

作者： Chun-Hao Yung Wen-Shenq Juang department of Information Management National Kaohsiung First University of Science and Technology Kaohsiung 824

The Android platform is the most popular mobile operating *** the increase of the number of Android users,a lot of security issues have *** order to detect the malicious behaviors for the installed Android Apps,in this paper,we propose an Android malware detecting scheme by integrating static and dynamic analysis *** use Androguard and Droid Box to extract the features,and then remove the irrelevant *** we employ the support vector machine（SVM） to classify the Android malware and *** the result of our proposed scheme,the proposed integrated static and dynamic analysis scheme with SVM can effectively detect the Android malware.

关键词： Index Terms--Android dynamic analysis malware,static analysis support vector machine

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Flow-Shop Scheduling with Transportation Capacity and Time Consideration

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Computers, Materials & Continua 2022年第2期70卷 3031-3048页

作者： Chia-Nan Wang Glen Andrew Porter Ching-Chien Huang Viet Tinh Nguyen Syed Tam Husain department of Industrial Engineering and Management National Kaohsiung University of Science and TechnologyKaohsiung80778Taiwan College of Engineering National Kaohsiung University of Science and TechnologyKaohsiung80778Taiwan department of Mechanical Engineering National Kaohsiung University of Science and TechnologyKaohsiung80778Taiwan Faculty of Commerce Van Lang UniversityHo Chi Minh City70000Vietnam

Planning and scheduling is one of the most important activity in supply chain operation *** the years,there have been multiple researches regarding planning and scheduling which are applied to improve a variety of supply *** includes two commonly used methods which are mathematical programming models and heuristics *** manufacturing systems are seen normally in industrial environments but few have considered certain constraints such as transportation capacity and transportation time within their supply chain.A two-stage flowshop of a single processing machine and a batch processing machine are considered with their capacity and transportation time between *** objectives of this research are to build a suitable mathematical model capable of minimizing the maximum completion time,to propose a heuristic optimization algorithm to solve the problem,and to develop an applicable program of the heuristics *** Integer Programming(MIP)model and a heuristics optimization algorithmwas developed and tested using a randomly generated data set for *** overall results and performance of each approach was compared between the two methods that would assist the decision maker in choosing a suitable solution for their manufacturing line.

关键词： Scheduling two-stage flowshop supply chain management transportation batch processing machine heuristic

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Additive manufactured osseointegrated screws with hierarchical design

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Bio-Design and Manufacturing 2024年第2期7卷 206-235页

作者： Wenbo Yang Hao Chen Haotian Bai Yifu Sun Aobo Zhang Yang Liu Yuchao Song Qing Han Jincheng Wang department of Orthopedics Second Hospital of Jilin UniversityChangchun 130022China College of Biological and Agricultural Engineering Jilin UniversityChangchun 130022China School of Materials Science and Engineering Jilin UniversityChangchun 130022China

Bone screws are devices used to fix implants or bones to ***,conventional screws are mechanically fixed with thread and often face long-term failure due to poor *** improve osseointegration,screws are evolving from solid and smooth to porous and *** manufacturing(AM)offers a high degree of manufacturing freedom,enabling the preparation of predesigned screws that are porous and *** paper provides an overview of the problems currently faced by bone screws:long-term loosening and screw ***,advances in osseointegrated screws are summarized hierarchically(sub-micro,micro,and macro).At the sub-microscale level,we describe surface-modification techniques for enhancing *** the micro level,we summarize the micro-design parameters that affect the mechanical and biological properties of porous osseointegrated screws,including porosity,pore size,and pore *** addition,we highlight three promising pore shapes:triply periodic minimal surface,auxetic structure with negative Poisson ratio,and the Voronoi *** the macro level,we outline the strategies of graded design,gradient design,and topology optimization design to improve the mechanical strength of porous osseointegrated ***,this paper outlines advances in AM technology for enhancing the mechanical properties of porous osseointegrated *** osseointegrated screws with hierarchical design are expected to provide excellent long-term fixation and the required mechanical strength.

关键词： Bone screws Additive manufacturing Architecture design Surface modification

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Analysis of Critical Factors in Manufacturing by Adopting a Cloud Computing Service

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Computer Systems Science & Engineering 2022年第7期42卷 213-227页

作者： Hsin-Pin Fu Tsung-Sheng Chang Chien-Hung Liu Li-Chun Liu department of Marketing and Distribution Management National Kaohsiung University of Science and TechnologyKaohsiung(824)Taiwan department of Information Management Da-Yeh UniversityChanghua(515)Taiwan Graduate Institute of Management National Kaohsiung University of Science and TechnologyKaohsiung(824)Taiwan

The advantages of a cloud computing service are cost advantages,availability,scalability,ﬂexibility,reduced time to market,and dynamic access to computing *** can improve the successful adoption rate of cloud computing services if they understand the critical ***ﬁnd critical factors,this studyﬁrst reviewed the literature and established a three-layer hierarch-ical factor table for adopting a cloud computing service based on the Technology-Organization-Environment ***,a hybrid method that combines two multi-criteria decision-making tools—called the Fuzzy Analytic Network Process method and the concept of VlseKriterijumska Optimizacija I Kompromisno Resenje acceptable advantage—was used to objectively identify critical factors for the adop-tion of a cloud computing service,replacing the subjective decision of the *** results of this study determinedﬁve critical factors,namely data access secur-ity,information transmission security,senior management support,fallback cloud management,and employee ***,the paper presents theﬁndings and implications of the study.

关键词： Cloud computing service multi-criteria decision-making critical factors fuzzy analytic network process vlseKriterijumska optimizacija i kompromisno resenje technology-organization-environment

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Nitrogen-Doped Amorphous Carbon Homojunction from Palmyra Sugar as a Renewable Solar Cell

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Journal of Renewable Materials 2024年第1期12卷 57-69页

作者： Budhi Priyanto Imam Khambali Irma Septi Ardiani Khoirotun Nadhiyah Anna Zakiyatul Laila M.Chasrun Hasani Bima Romadhon Retno Asih Yoyok Cahyono Triwikantoro Darminto department of Electronic Engineering Faculty of EngineeringUniversitas Muhammadiyah MalangKota MalangIndonesia Advanced Materials Research Group Department of PhysicsFaculty of Science and Data AnalyticsInstitut Teknologi Sepuluh NopemberSurabayaIndonesia department of Electronic Engineering Faculty of Industrials EngineeringInstitut Teknologi National MalangKota MalangIndonesia

An a-C/a-C:N junction,which used palmyra sugar as the carbon source and ammonium hydroxide(NH4OH)as the dopant source,was successfully deposited on the ITO glass substrate using the nano-spraying *** current-voltage relationship of the junction was found to be a Schottky-like contact,and therefore the junction shows the characteristic *** means the a-C and a-C:N are semiconductors with different types of ***,the samples showed an increase in current and voltage value when exposed to visible light(bright state)compared to the dark condition,thereby,indicating the creation of electron-hole pairs during the *** was also discovered that the relationship between current and voltage for the a-C/a-C:N junction sample formed a curve that satisfies the rule of the photovoltaic effect when exposed to visible light from a light *** exposure of this sample to direct sunlight at AM 1.5 conditions produced a curve that meets the rules for the emergence of the photovoltaic effect with higher characteristics for the current-voltage ***,the a-C/a-C:N junction sample is a solar cell successfully fabricated using a sample method and has a maximum efficiency of 0.0013%.

关键词： Solar cell amorphous carbon palmyra sugar

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Nanocrystalline Silicon Thin Films Fabricated at 80℃ by Using Electron Cyclotron Resonance Chemical Vapor Deposition

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Plasma Science and Technology 2010年第5期12卷 608-613页

作者： I.Y.Y.BU A.J.FLEWITT W.I.MILINE department of Microelectronics Engineering National Kaohsiung Marine University Electrical Engineering Division Engineering Department Cambridge University

Deposition of nanocrystalline silicon （nc-Si） on glass at very low temperatures by electron cyclotron resonance （ECR） plasma enhanced chemical vapour deposition （PECVD） was investigated. It was shown that nc-Si could be deposited from hydrogen diluted silane gas at a substrate temperature of 80℃ with a crystalline fraction up to 80% and a lateral grain size of around 50 nm. This was achieved by growing the nc-Si in a low pressure regime which ensured that mono-silyl species were the dominant deposition precursor. Furthermore, a high flux of energetic hydrogen ions was required to induce crystallisation of the silicon material through a chemical annealing process.

关键词： low temperature nanocrystalline silicon ECR

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An Analytical Solution for Wave Transformation Over Axi-Symmetric Topography

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China Ocean Engineering 2019年第6期33卷 694-703页

作者： CUONG San Sieu CHANG Jen-Yi TSAI Chia-Cheng CHOU Wan-Rong aInstitute of Oceanography National Taiwan UniversityTaipei 10617China Tainan university of Technology Tainan 71002China department of Marine Environmental Engineering National Kaohsiung University of Science and TechnologyKaohsiung 81164China department of Marine Environment and Engineering National Sun Yat-Sen UniversityKaohsiung 80424China department of Hydraulic and Ocean Engineering National Cheng Kung UniversityTainan 701China

The present study considers wave scattering phenomena around a cylindrical island mounted on a general axisymmetric topography or a general submerged truncated axi-symmetric shoal based on the mild-slope equation. The method of separation of variables and Taylor series expansion are invoked to find the approximate solution to the variable water depth region which varies proportionally to an arbitrary power of radial distance. Validations against the solutions for the combined wave refraction and diffraction around a cylindrical island mounted on a paraboloidal shoal of Liu et al. in 2004 and the scattering and trapping of wave energy by a submerged truncated paraboloidal shoal of Lin and Liu in 2007 show excellent agreements as the power of radial distance being equal to two. For the solutions of wave refraction and diffraction around a cylindrical island mounted on a shoal with depth proportionally to an arbitrary power of radial distance, good agreements with Zhai et al.’s(2013) solutions are demonstrated. Since the robustness of the assumption of a general axi-symmetric geometry based on an arbitrary power variability of the radial distance, the present solution can be very conveniently employed to investigate the effects of bottom topography on wave scattering and trapping patterns.

关键词： general axi-symmetric topography mild-slope equation submerged truncated shoal wave refraction wave diffraction

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Modular Design Using Sustainable Luminescent Materials in Energy-Saving Reflective Cat’s Eyes for Public Road Safety Planning

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Journal of Renewable Materials 2022年第5期10卷 1415-1437页

作者： Lung-Yin Lin Yu-Shing Chang department of Industrial Design National Kaohsiung University of Science and TechnologyKaohsiung82445Taiwan department of Business Administration National Taichung University of Science and TechnologyTaichung404Taiwan

Recently,there has been a global movement toward environmental protection and energy conservation through the design and development of new products in accordance with sustainable *** this study,rare earth luminescent materials were used owing to their active light emission and ***,solar lightemitting diode lights and car-light reflection were utilised to increase the recognition and reliability of reflective cat *** with carbon reduction,this can save energy and enhance road *** study considered the Theory of Inventive Problem Solving and a literature review to analyse the issues in existing ***,expert interviews were conducted to screen projects and develop product design ***,the ratio of light-storage materials was experimentally determined and the prototypes *** cat’s eye addresses the shortcomings identified in previous analyses of existing *** applied energy storage environmental protection materials,together with material proportioning(which balanced warning efficiency against cost-effectiveness)to develop diversified modular kits;these were flexible in terms of quantity and easily *** study achieved four key objectives:(1)reducing the research and development costs of the manufacturer;(2)offering buyers a diverse suite of products;(3)responding to a need to improve diverse road user safety;and(4)reducing government procurement costs for safety warning *** results provide a reference for the creative modular design of energy-saving products for public road safety planning in various industries.

关键词： Sustainable luminescent materials modular design TRIZ expert interview diverse road safety

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An Intelligent Recommendation System for Real Estate Commodity

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Computer Systems Science & Engineering 2022年第9期42卷 881-897页

作者： Tsung-Yin Ou Guan-Yu Lin Hsin-Pin Fu Shih-Chia Wei Wen-Lung Tsai department of Marketing and Distribution Management National Kaohsiung University of Science and TechnologyKaohsiung824Taiwan College of Management National Kaohsiung University of Science and TechnologyKaohsiung824Taiwan department of Information Management Asia Eastern University of Science and TechnologyNew Taipei220Taiwan

Most real estate agents develop new objects by visiting unfamiliar clients, distributing leaflets, or browsing other real estate trading website platforms,whereas consumers often rely on websites to search and compare prices when purchasing real property. In addition to being time consuming, this search processrenders it difficult for agents and consumers to understand the status changes ofobjects. In this study, Python is used to write web crawler and image recognitionprograms to capture object information from the web pages of real estate agents;perform data screening, arranging, and cleaning;compare the text of real estateobject information;as well as integrate and use the convolutional neural networkof a deep learning algorithm to implement image recognition. In this study, dataare acquired from two business-to-consumer real estate agency networks, i.e., theSinyi real estate agent and the Yungching real estate agent, and one consumer-toconsumer real estate agency platform, i.e., the, FiveNineOne real estate agent. Theresults indicate that text mining can reveal the similarities and differences betweenthe objects, list the number of days that the object has been available for sale onthe website, and provide the price fluctuations and fluctuation times during thesales period. In addition, 213,325 object amplification images are used as a database for training using deep learning algorithms, and the maximum image recognition accuracy achieved is 95%. The dynamic recommendation system for realestate objects constructed by combining text mining and image recognition systems enables developers in the real estate industry to understand the differencesbetween their commodities and other businesses in approximately 2 min, as wellas rapidly determine developable objects via comparison results provided by thesystem. Meanwhile, consumers require less time in searching and comparingprices after they have understood the commodity dynamic information, therebyallowing the

关键词： Real estate agency web crawler image comparison text mining deep learning real estate object dynamic recommendation system

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