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Open AccessArticle
7 Pages, 958 KB Download PDF

Blockchain Technology-Based Good Distribution Practice Model of Pharmacy Industry in Indonesia

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 267–273, 2021; DOI: 10.25046/aj060230
Abstract:

Distribution is the main activity in integrated product supply chain management. In the pharmaceutical industry, the process of drug distribution is important because of the handling, storage, and distribution of medicinal products with good standards and quality. The problem that occurs in the pharmaceutical industry is the circulation of counterfeit drugs by related parties, for…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 744 KB Download PDF

Characterization of Gum Arabic in Concrete Mix Design

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 262–266, 2021; DOI: 10.25046/aj060229
Abstract:

The present work focuses on the effect of adding gum Arabic on the setting time of cement pastes, workability, and compressive strength of concrete. For workability and compressive strength liquid gum Arabic was added to concrete mixes at ratios of 0.0% (control mix), 0.3%, 0.5%, 0.7% of the weight of cement. In addition, from 0.1%…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
13 Pages, 886 KB Download PDF

Categorization of RDF Data Management Systems

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 221–233, 2021; DOI: 10.25046/aj060225
Abstract:

The wide acceptance of the semantic web language RDF for ontologies creation in various application fields has led to the emergence of numerous RDF data processing solutions, the so-called triplestores, for the storage of RDF data and its querying using the RDF query language SPARQL. Such solutions are however developed under various perspectives and on…

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(This article belongs to Section Information Systems in Computer Science (CIS))
Open AccessArticle
5 Pages, 860 KB Download PDF

Variation of the Air-Fuel Ratio with Inlet Pressure, Temperature and Density

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 190–194, 2021; DOI: 10.25046/aj060222
Abstract:

The control of the air-fuel ratio (AFR) is critical for the efficiency of the combustion. This is for achieving the better performance of the plant and result in high output energy. Computation of the AFR is gone considering the composition of the fuel regardless of the inlet pressure, density ad temperature of both fuel and…

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(This article belongs to Section Electrical Engineering (ELE))
Open AccessArticle
5 Pages, 722 KB Download PDF

The Impact of COVID-19 Pandemic and Commodities Prices on Booking.com Share Price

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 185–189, 2021; DOI: 10.25046/aj060221
Abstract:

This paper examines the impacts of the COVID-19 pandemic and selected commodity variables on Booking.com share price using the Markov-switching approach. Daily data spans from January 2017 through July 2020 are utilized in this study. Empirical evidence showed that COVID-19, international crude oil price, and gold price affected the Booking.com share price significantly. A positive…

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(This article belongs to the sp-covid19 (Special Issue on the Economic Impact of COVID-19 on Companies and Consumers 2020-21) & Section Operations Research & Management Science (ORM))
Open AccessArticle
14 Pages, 606 KB Download PDF

A Large Empirical Study on Automatically Classifying Software Maintainability Concerns from Issue Summaries

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 161–174, 2021; DOI: 10.25046/aj060219
Abstract:

Software maintenance contributes the majority of software system life cycle costs. However, existing approaches with automated code analysis are limited by accuracy and scope. Using human-assessed methods or implementing quality standards are more comprehensive alternatives, but they are much more costly for smaller organizations, especially in open- source software projects. Instead, bugs are generally used…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
7 Pages, 776 KB Download PDF

Multi-Objective Design of Current Conveyor using Optimization Algorithms

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 154–160, 2021; DOI: 10.25046/aj060218
Abstract:

The design of microelectronic systems is often complex, therefore metaheuristics can be of a great interest, because in most cases these systems have conflicting objectives and constraints. In this paper, we demonstrate the application of multi-criteria design strategies to a CMOS current conveyor. This provides designers with the ability to develop solutions that can meet…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
15 Pages, 6,926 KB Download PDF

Visual Saliency Detection using Seam and Color Cues

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 139–153, 2021; DOI: 10.25046/aj060217
Abstract:

Human have the god gifted ability to focus on the essential part of a visual scenery irrespective of its background. This important area is called the salient region of an image. Computationally achieving this natural human quality is an attractive goal of today’s scientific world. Saliency detection is the technique of finding the salient region…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
10 Pages, 1,822 KB Download PDF

A Model-Driven Digital Twin Framework Development for Sulfur Dioxide Conversion Units Simulation

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 122–131, 2021; DOI: 10.25046/aj060215
Abstract:

In the phosphate industry, sulfuric acid is a key compound in phosphoric acid and fertilizer production. Industrially, the sulfuric acid H2SO4 is made generally in a sequence of three main steps: burning liquid sulfur with air, catalytic oxidation of sulfur dioxide SO2 to sulfur trioxide SO3, and formation of H2SO4 by the reaction of H2O…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Environmental Sciences (ENS))
Open AccessArticle
9 Pages, 764 KB Download PDF

Analyzing the Adoption of E-payment Services in Smart Cities using Demographic Analytics: The Case of Dubai

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 113–121, 2021; DOI: 10.25046/aj060214
Abstract:

This paper is an extension of previous research that has been done on factors affecting digital payment adoption in the UAE. This study focuses on analyzing which relevant demographic factors affect new e-payment technologies, mainly in the smart city Dubai, with more complexities and dynamics of variables that affect users’ behavior toward adopting new technologies.…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Information Systems in Computer Science (CIS))
Open AccessArticle
8 Pages, 4,196 KB Download PDF

Design and Implementation of an Ultrasonic Scanner Setup that is Controlled using MATLAB and a Microcontroller

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 85–92, 2021; DOI: 10.25046/aj060211
Abstract:

This paper describes an experimental setup that employs ultrasound to scan an area. This method utilizes ultrasonic waves to scan the surface of a submerged object in a water-coupled medium. A pulse-echo mode is used, and quantitative data are collected at various positions using a two- dimensional automated table. A microcontroller controls the motion of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Acoustics (ACO))
Open AccessArticle
10 Pages, 1,820 KB Download PDF

Fuzzy Analytical Hierarchy Process and Fuzzy Comprehensive Evaluation Method Applied to Assess and Improve Human and Organizational Factors Maturity in Mining Industry

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 75–84, 2021; DOI: 10.25046/aj060210
Abstract:

The literature shows a growing interest in taking into account human and organizational factors (HOFs) to achieve safe and successful human performance by reducing the risk of errors. In this sense, the concept of maturity models aims to help companies in the integration of these factors by assessing the current level of maturity and define…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 968 KB Download PDF

Green Blocks Made of Recycled Construction Waste using Recycled Wastewater

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 51–57, 2021; DOI: 10.25046/aj060207
Abstract:

This study tests the feasibility of manufacturing concrete blocks made of recycled materials. The paper is an extension of work originally presented in ASET conference in Dubai. The paper, depicts and analyzes how the characteristics of the blocks (strength/durability) are affected by the presence of recycled concrete ingredients (recycled aggregate (RA)) and recycled water (RW).…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Construction & Building Technology (CBT))
Open AccessArticle
8 Pages, 1,121 KB Download PDF

The Analysis of Standard Uncertainty of Six Degree of Freedom (DOF) Robot

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 43–50, 2021; DOI: 10.25046/aj060206
Abstract:

Robotic arms or industrial robots are a machinery that is widely used in the medical and military industries because it is a flexible, highly accurate and reliable. It is very necessary to work in complex tasks requiring more accuracy than humans can work. This paper presents an estimate of the standard uncertainty of 6 DOF…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 2,707 KB Download PDF

Super Resolution Based Underwater Image Enhancement by Illumination Adjustment and Color Correction with Fusion Technique

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 36–42, 2021; DOI: 10.25046/aj060205
Abstract:

In underwater photographs are look like low-quality images, the main reason is behind that due to attenuation of the propagated light, absorption and scattering effect. The absorption significantly reduces the light energy, while the dispersion causes changes in the light propagation path. They result in foggy appearance and degradation of contrast, causing misty distant objects.…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Telecommunications (TEL))
Open AccessArticle
7 Pages, 1,755 KB Download PDF

Curved Pyramidal Metamaterial Absorber: From Theory to an Ultra-Broadband Application in the [0.3 – 30] GHz Frequency Band

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 29–35, 2021; DOI: 10.25046/aj060204
Abstract:

For its importance nowadays in a wide range of applications such as the anechoic chamber, we introduce a microwave ultra-broadband polarization-independent metamaterial absorber (MA) in the Ultra High Frequency (UHF)/ Super High Frequency (SHF) frequency bands. Through this work, we improved the Relative Absorptive Bandwidth (RAB) of the conventional pyramidal absorber (CPA) by modifying its…

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(This article belongs to the SP9 (Special Issue on Multidisciplinary Innovation in Engineering Science & Technology 2020) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
11 Pages, 773 KB Download PDF

How Ready is Renewable Energy? A Review Paper on Educational Materials and Reports Available for the Teaching of Hydrogen Fuel Cells in Schools

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 2, Page # 01–11, 2021; DOI: 10.25046/aj060201
Abstract:

Today, the costs of most Renewable Energy (RE) technologies especially hydrogen energy technologies such as fuel cells, are still beyond the means of poorer economies in developing countries. Hence, there is little public awareness and local expertise in RE in these countries and even lesser in hydrogen energy. To solve this problem, it is important…

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(This article belongs to the isaect-18 (Special Issue on Advanced Electrical and Communication Technologies 2019) & Section Green & Sustainable Science & Technology (GSS))
Open AccessArticle
13 Pages, 1,012 KB Download PDF

Analytical Solution of Thick Rectangular Plate with Clamped and Free Support Boundary Condition using Polynomial Shear Deformation Theory

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1427–1439, 2021; DOI: 10.25046/aj0601162
Abstract:

In this paper, a new polynomial shear deformation theory for the static flexural analysis of anisotropic rectangular thick plate was developed. The plate which carries a uniformly distributed load is clamped on the three edges, and free of support on the other edge (CCFC), is analyzed to determine the in-plane displacement, vertical displacement, bending moment,…

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(This article belongs to Section Civil Engineering (ECV))
Open AccessArticle
11 Pages, 707 KB Download PDF

Exposure to Optical Radiation and Electromagnetic Fields at the Workplace: Criteria for Occupational Health Surveillance According to Current European Legislation

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1403–1413, 2021; DOI: 10.25046/aj0601159
Abstract:

A very large number of workers is occupationally exposed to Optical Radiation (OR) worldwide, while indeed nowadays an exposure to Electromagnetic fields (EMF) can occur in almost all workplaces. OR origin can be natural, including the most relevant source, i.e. the sun, or artificial, that can be further classified in incoherent and coherent, i.e. the…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Biophysics (BPH))
Open AccessArticle
6 Pages, 1,980 KB Download PDF

A-MnasNet and Image Classification on NXP Bluebox 2.0

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1378–1383, 2021; DOI: 10.25046/aj0601157
Abstract:

Computer Vision is a domain which deals with the challenge of enabling technology with vision capabilities. This goal is accomplished with the use of Convolutional Neural Networks. They are the backbone of implementing vision applications on embedded systems. They are complex but highly efficient in extracting features, thus, enabling embedded systems to perform computer vision…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Artificial Intelligence in Computer Science (CAI))
Open AccessArticle
9 Pages, 357 KB Download PDF

Towards a Hybrid Probabilistic Timing Analysis

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1360–1368, 2021; DOI: 10.25046/aj0601155
Abstract:

Real-time embedded systems are widely adopted in applications such as automotive, avionics, and medical care. As some of these systems have to provide a guaranteed worst-case execution time to satisfy the time constraints, understanding the timing behaviour of such systems is of the utmost importance regarding the reliability and the safety of these systems. In…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electronic Engineering (EEE))
Open AccessArticle
17 Pages, 3,681 KB Download PDF

Event Modeller Data Analytic for Harmonic Failures

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1343–1359, 2021; DOI: 10.25046/aj0601154
Abstract:

The optimum performance of power plants has major technical and economic benefits. A case study in one of the Malaysian power plants reveals an escalating harmonic failure trend in their Continuous Ship Unloader (CSU) machines. This has led to a harmonic filter failure causing performance loss leading to costly interventions and safety concerns. Analysis of…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Electrical Engineering (ELE))
Open AccessArticle
6 Pages, 932 KB Download PDF

Analysis of qCON and qNOX Anesthesia Indices and EEG Spectral Energy during Natural Sleep Stages

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1328–1333, 2021; DOI: 10.25046/aj0601152
Abstract:

The objective of this research is to study the behaviour of the anaesthesia monitor Conox during natural sleep to open the gate for this devices to assess subjects during this stage. The values of qCON and qNOX indices and EEG frequency bands are analysed during night sleep of 10 volunteers when they lose consciousness, in…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Bioinformatics (BIF))
Open AccessArticle
9 Pages, 1,544 KB Download PDF

Combining ICT Technologies To Serve Societal Challenges

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1319–1327, 2021; DOI: 10.25046/aj0601151
Abstract:

European counties continue to receive an increasing number of migrants and refugees from an also increasing number of both European and non-European countries. This results in a huge societal challenge which is societal inclusion of people speaking different languages and of diverse backgrounds. Key for their inclusion is job finding which comes with hurdles like…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
Open AccessArticle
7 Pages, 821 KB Download PDF

Evaluation of Personal Solar UV Exposure in a Group of Italian Dockworkers and Fishermen, and Assessment of Changes in Sun Protection Behaviours After a Sun-Safety Training

Advances in Science, Technology and Engineering Systems Journal, Volume 6, Issue 1, Page # 1312–1318, 2021; DOI: 10.25046/aj0601150
Abstract:

Solar ultraviolet radiation (UVR) is considered a relevant health risk for the workers of the maritime and port sectors, but scant data are available on actual exposure measured using personal dosimeters. Moreover, in outdoor workers sun protection habits are usually poor, while some promising data suggest that sun-safety campaigns can be effective in increasing self-protection…

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(This article belongs to the SP10 (Special Issue on Multidisciplinary Sciences and Engineering 2020-21) & Section Interdisciplinary Applications of Computer Science (CSI))
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