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检索条件"任意字段=2nd International Conference on Multidisciplinary Engineering and Applied Science, ICMEAS 2023"

共 1242 条记录，以下是91-100 订阅

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Enhancing Perovskite Film Properties Through Solvent Annealing Techniques

Enhancing Perovskite Film Properties Through Solvent Anneali...

引用

multidisciplinary engineering and applied science (icmeas), international conference on

作者： Dahiru M. Sanni Richard K. Koech Abdulhakeem Bello Uchenna C. Obi Sharafadeen A. Adeniji Omolara V. Oyelade Faculty of Science Nile University of Nigeria Abuja Nigeria Department of Mathematics Physics and Computing Moi University Eldoret Kenya Department of Physics African University of Science and Technology Abuja Nigeria Department of Materials Science and Engineering African University of Science and Technology Abuja Nigeria Department of Physics Faculty of Science Nile University of Nigeria Abuja Nigeria Department of Physics Bingham University Karu Nasarawa State Nigeria

In this study, we investigated how solvent annealing affected the material properties of perovskite films derived from precursors of dehydrated Pb-acetate. The perovskite active layer was produced by depositing the perovskite solution using a one-step spin-coating method, followed by either 5 minutes of solvent annealing in DMF or IPA vapour or 5 minutes of thermal annealing on a hotplate at a temperature of 90 °C. Thermal annealing (TA), annealing in DMF vapour, and annealing in IPA vapour were used to form the perovskite active layers. The perovskite films made from IPA vapou show the best material properties, and the perovskite films obtained from the thermal annealing process have the poorest material properties. Our research showed that perovskite films produced using solvent engineering methods have better film properties.

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Enhancing Information Dissemination in Large Institutions Using Smart Screen Technology and Web Applications

Enhancing Information Dissemination in Large Institutions Us...

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multidisciplinary engineering and applied science (icmeas), international conference on

作者： Hope Orovwode John Amanesi Abubakar Audu Emmanuel Inope Department of Electrical and Information Engineering Covenant University Ota Ogun State Nigeria Department of Computer Science and Engineering University of Bologna Bologna Italy

Effective dissemination of information to audience in institutions of higher learning is a critical challenge in today's interconnected world. Conveying timely information to every individual can be arduous due to scale. Smart screens offer a dynamic solution by facilitating internet-enabled transmission of announcements to strategically positioned displays. This method ensures swift delivery of vital information to target audiences. The consequences of information gaps can be dire in urgent scenarios where missed information might be adversely affected. Both conventional and social media platforms have limitations in reaching targeted populations when distributing information. This paper aims to explore the potential of enhancing information dissemination through the fusion of smart screen technology and web applications. This strategy mitigates the risk of unintended recipients viewing urgent messages while ensuring that those intended receive it promptly. It employs a technological stack encompassing ***, ***, MongoDB, HTML, CSS, and JavaScript to provide both a robust back-end and user-friendly front-end interface. Testing, deployment, and debugging processes ensure functionality, usability, and scalability of the application. The web application test results show an overall performance of 98%. It overcame the limitations of traditional communication methods, by offering a promising avenue for future research and development, hinting at the potential for widespread implementation.

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Overview of Corrosion and its Consequences in the Oil and Gas Industry

Overview of Corrosion and its Consequences in the Oil and Ga...

引用

multidisciplinary engineering and applied science (icmeas), international conference on

作者： Sunday Lukeman Lawal Sunday Adeniran Afolalu Temitayo Samson Ogedengbe Department of Mechanical Engineering Science University of Johannesburg Johannesburg South Africa Mechanical and Mechatronics Engineering Department Afe Babalola University Ado-Ekiti Ekiti State Nigeria

ISBN: (数字)9798350358834

ISBN: (纸本)9798350358841

This research work gave a comprehensive overview of corrosion, its mechanisms, impact, and consequences in the oil and gas industry. The corrosion phenomenon is explored, focusing on corrosion types, causes, and effects, with the aim of identifying the vast economic and environmental implications associated with it. The literature underscores the pressing need for adequate corrosion control and prevention measures to enhance efficiency, longevity, and environmental stewardship in the oil and gas industry.

关键词： Economics Corrosion Pressure vessels Gas industry Petroleum industry Task analysis Testing

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Solvent Vapor Annealing of CH3NH3PbI3 Films for Improved Photovoltaic Performance of Perovskite Solar Cells

Solvent Vapor Annealing of CH3NH3PbI3 Films for Improved Pho...

引用

multidisciplinary engineering and applied science (icmeas), international conference on

In this study, we investigated how solvent engineering affected the photovoltaic characteristics of perovskite solar cells (PSCs) fabricated using dehydrated lead acetate as the lead source. The photoactive layer was produced by depositing the perovskite solution using a one-step spin-coating method, followed by either 5 minutes of solvent annealing in DMF or IPA vapour or 5 minutes of thermal annealing on a hotplate at a temperature of 90 °C. An inverted planar design was used for the PSC device's construction. Thermal annealing (TA), annealing in DMF vapour, and annealing in IPA vapour were used to form the perovskite active layers. The efficiency of the solar cells produced by solvent annealing in an IPA is 13%, the open circuit voltage (Voc) is 0.977 V, the short circuit photocurrent density (Jsc) is 20.74 mA/cm 2 , and the fill factor is 61.21%. Our research showed that the PSCs produced using solvent engineering methods are have higher PCE, more stable and reproducible.

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Robotic Device Control Systems : A Comprehensive Survey of Inspiring Models 2

Robotic Device Control Systems : A Comprehensive Survey of I...

引用

2nd international multidisciplinary Information Technology and engineering conference, IMITEC 2020

作者： Chibaya, Colin Sol Plaatje University Department of Computer Science and Information Technology Kimberley South Africa

ISBN: (数字)9781728195209

ISBN: (纸本)9781728195209

A survey of the different mechanisms in which robotic devices in swarms are designed, configured and coordinated is conducted. Two categories of design inspirations are noted. On one hand, non-interactive systems are dominant. Non-interactive systems comprise mathematics based, physics inspired, and intelligent elitist robotic devices. On the other hand, interactive systems are more practical. These are commonly built on biological systems. The survey, generally, presented grounds and baseline views which swarm intelligence systems developers may pursue upon making robotic device design choices. The views shared may assist when design avenues to take or avoid are considered. © 2020 IEEE.

关键词： Surveys

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Web Application Security Testing Framework using Flask 2

Web Application Security Testing Framework using Flask

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2nd international conference on applied Artificial Intelligence and Computing, ICAAIC 2023

作者： Rohit, R. Hasan Firnas, I. Abishek, M. Albert Mayan, J. Dhamodaran, S. Sathyabama Institute of Science and Technology Department of Computer Science and Engineering Chennai India

ISBN: (纸本)9781665456302

This research presents a novel framework for automated web application security scanning and information gathering using the Axiom methodology. The framework assists organizations and security researchers in identifying and mitigating vulnerabilities in web applications by automating the discovery of publicly available assets and filtering targets based on initial responses, open ports and other criteria. The use of the Axiom methodology allows for faster scanning times and distributed scanning, making it useful for bug bounties and penetration testing. The framework's performance, limitations and challenges are evaluated. The research demonstrates the potential of the framework in improving the efficiency and scalability of web application security while emphasizing the need for proper configuration and ethical considerations. © 2023 IEEE.

关键词： Philosophical aspects

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Wastes - Types and Usability for engineering: An Overview

Wastes - Types and Usability for Engineering: An Overview

引用

multidisciplinary engineering and applied science (icmeas), international conference on

作者： Stella I. Monye Sunday A. Afolalu Temitayo S. Ogedengbe Department of Mechanical Engineering Afe Babalola University Ado Ekiti Nigeria Department of Mechanical Engineering Science University of Johannesburg South Africa Department of Mechanical Engineering Nile University of Nigeria Abuja Nigeria

ISBN: (数字)9798350358834

ISBN: (纸本)9798350358841

The recent spike in advancement of technology that resulted in great industrial growth had also come with its own challenges. One major such challenge is the increase in waste yield across industries. Therefore waste disposal has fast become a major problem especially for heavy producing industries. To stem this challenge, the study and a possibility of recycle of such waste especially for engineering purpose is expedient. This study is therefore an overview of the various waste types and their possible or established usability.

关键词： Industries Recycling Usability Waste disposal

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Evaluation of an Enhanced Dynamic Knowledge-Based Authentication System (EDKBA) in the Era of Social Media

Evaluation of an Enhanced Dynamic Knowledge-Based Authentica...

引用

multidisciplinary engineering and applied science (icmeas), international conference on

作者： Temitayo C. Adeniran Rasheed G. Jimoh Emmanuel U. Abah Nasir Faruk Emmanuel Alozie Department of Telecommunication Science University of Ilorin Ilorin Nigeria Department of Computer Science University of Ilorin Ilorin Nigeria Department of Information Technology Sule Lamido University Kafin Hausa Jigawa Nigeria Directorate of Information and Communication Technology Sule Lamido University Kafin Hausa Jigawa Nigeria

Services related to information and communication technology (ICT) today require secure personal identity verification methods to guard against unauthorized access. There are several authentication methods, with traditional passwords being the most popular one. Passwords are susceptible to threats like eavesdropping and forgotten passwords, though. One of the finest substitutes for conventional passwords was knowledge-based authentication (KBA), which verifies identification using public records. Static and dynamic KBAs are examples of KBAs that are vulnerable to theft and modification. The goal of the study was to develop and implement an enhanced DKBA (EDKBA) system that uses challenge response questions and answers to authenticate users in real time. Two attack models, naive attack (guessing) and strategic attack (brute force), were used to evaluate the effectiveness of the EDKBA system. The developed EDKBA provided improved security by dynamically generating authentication questions based on real-time information about users' weekly Facebook activities. The EDKBA experiment showed a success rate and True Positive of 72.57% with an acceptable error rate (False Negative) of 27.43%. The study concluded that implementing EDKBA will reduce the rising risks brought on by unauthorized access to data and cybercrime, which would directly improve the overall security of sensitive data and information.

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Network Intrusion Detection using a Hybridized Harmony Search and Random Forest

Network Intrusion Detection using a Hybridized Harmony Searc...

引用

multidisciplinary engineering and applied science (icmeas), international conference on

作者： Godwil E. Udoh Nurudeen M. Ibrahim Moussa M. Boukar Computer Science Nile University of Nigeria Abuja Nigeria Cyber Security Nile University of Nigeria Abuja Nigeria

ISBN: (数字)9798350358834

ISBN: (纸本)9798350358841

Intrusion Detection Systems are used to find security holes in a system. However, a number of factors, including irrelevant information, contribute to intrusion detection system's low detection accuracy. This work presents a hybrid intrusion detection system (IDS) that combines the Random Forest algorithm and Harmony Search to address this issue and increase IDS detection accuracy. The proposed method was analyzed using NSL-KDD, and the experiment results show that the model functions effectively.

关键词： Analytical models Security Random forests

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Design, Simulation and Economic Analysis of Solar Photovoltaic Systems for Households and Businesses in Mogadishu

Design, Simulation and Economic Analysis of Solar Photovolta...

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multidisciplinary engineering and applied science (icmeas), international conference on

作者： Abdinasir Mohamed Jama Abdihakin Mohamed Abukar Abdullahi Omar Sheikh Ali Abdullahi Mohamed Isak Abdulaziz Ahmed Siyad Department of Electrical Engineering Faculty of Engineering Jamhuriya University of Science and Technology Mogadishu Somalia

The number of people in Mogadishu who use electricity has significantly increased during the past few years. most of Mogadishu’s energy comes from fossil fuels which is nonrenewable energy sources. The use of solar energy to power our day-to-day life has great untapped potential. According to researchers, The amount of sunlight that reaches the surface of the Earth in an hour and a half is enough to meet the world's yearly energy requirements. The purpose of this study is to design, simulate and evaluate solar photovoltaic system for residential and business in Mogadishu using PVsyst software and the load estimation for the two cases based on the average primary load profile of each category. Case one, for the residential household we designed an off-grid PV system that generates 3163 kwh/year. and its performance is 71.8% which is good, Also, we compared the costs of Off-Grid and the utility grid for 15 years, the result shows that Off-Grid has a cost savings of 5263 dollars. Case two, for the business we designed (JUST) compos 3 a Grid-Connected PV system that generates 104Mw.h/year, and its performance was 79.6% which is good. Also, we compared the costs of Grid-Connected and the Utility Grid for 15years and the result shows that the Grid-Connected has a saving cost of 656593 dollars.

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