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Artikel Jurnal
Application of Taguchi-fuzzy approach to prediction of maintenance-production workforce parameters for manufacturing systems
Maintenance workforce evaluation has recently received an increased attention in industries due to the significant influence it has on successful manufacturing. Great efforts, from the viewpoints of theory and practice have been taken in the development of the subject. However, its optimisation…
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Preparation of platinum-free tubular dye-sensitized solar cells by electrophoretic deposition
Tubular dye-sensitized solar cells (DSSCs) were developed by replacing expensive materials with lower cost materials as follows: (1) replacing conductive glass electrodes with titanium (Ti) wires and (2) replacing platinum (Pt) catalyst with the mixture of multi-walled carbon nanotubes, MWCNTs and…
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Determination of trace elements in mine soil samples using portable X-ray fluorescence spectrometer: A comparative study with ICP-OES
Lead (Pb), Zinc (Zn) and Cadmium (Cd) levels on soils surrounding of Lakhouat mine (North-West of Tunisia) were measured. The total concentration of these elements in the soil samples was determined by portable X-ray fluorescence (XRF) in situ and compared to the traditional digestion method using…
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Capillary rise simulation of saline waters of different concentrations in sandy soils
Soil salinity causes corrosion of engineering structures worldwide. The main cause of soil salinization is capillary rise of saline groundwater. Soil salinity can be mitigated once the capillary rise of saline groundwater in soils is understood. The objective of this paper is to present…
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Artikel Jurnal
The effect of vortex finder heights on separation efficiency of dust cyclone
The effect of vortex finder heights on separation efficiency of dust cyclone has been experimentally investigated in this present study. The separation efficiency of three cyclones with different vortex finder heights was measured as a function of particle size of dust and velocity of air. Husk ash…
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Enhancing indoor positioning based on filter partitioning cascade machine learning models
This paper proposes the method, called the Filter Partitioning Machine Learning Classifier (FPMLC). It can enhance an accuracy of indoor positioning based on fingerprinting by using machine learning algorithms and prominent access points (APs). FPMLC selects limited information of groups of the…
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The effects of energizer and carburizing temperature and time on mechanical properties of hardened big knives in the pack carburizing process
The purpose of this research is to study the effects of energizer and carburizing temperature and time on the mechanical properties of hardened big knives in the pack carburizing process. The mechanical properties of carburized and hardened big knives were compared to those of commercial hardened…
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Early detection of Parkinson’s diseases by using the relation between time response and movement characteristics of human’s arms
Parkinson’s and stroke diseases are closely linked to the brain of the elderly. This study was to investigate the early detecting method of Parkinson’s disease by using the relation between the brain time response and the arm movement characteristics. 120 Healthy people were examined and classified…
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Mathematical aspects for electrical network connections
In this paper, we survey the role of mathematics in electrical network connections. We discuss the behavior of current flows, voltages and impedances mainly for series-parallel networks. In both one-port and multiport electrical networks, the currents through these networks are governed by…
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Participation level of water users in irrigated water management: A case study of Ban Vern Kham Pumping irrigation project, Xaithani district, Vientiane capital, Lao PDR
The objective of this research was to study the participation of water user group in irrigated water management in Ban Vern Kham Pumping Irrigation Project, Xaithani District, Vientiane Capital, Lao PDR, through the analysis of variables and the formulation of participation equation. The study…
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A comparison of genetic algorithm and artificial bee colony approaches in solving blocking hybrid flowshop scheduling problem with sequence dependent setup/changeover times
In manufacturing process where efficiency is crucial in order to remain competitive, flowshop is a common configuration in which machines are arranged in series and products are produced through the stages one by one. In certain production processes, the machines are frequently configured in the…
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Seasonal rainfall forecast for cropping pattern planning using a modified k-nearest neighbor model
Drought phenomena recently occurred in Thailand caused severe damage to agricultural sector particularly in Central, Northern and Northeastern regions. A reliable seasonal rainfall forecast model is needed to provide useful information for effective cropping pattern planning and water resource…
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The effect of remaining SDS on protein release in later leaching steps of deproteinized natural rubber
The effect of remaining sodium dodecyl sulfate (SDS) used in washing steps on further leaching of proteins from the deproteinized rubber films was investigated. High-Ammonia Natural Rubber Latex (HANRL) was diluted with 0.01% w/v potassium hydroxide solution to obtain about 30% dry rubber content…
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Three dimensional finite element analysis of mandibular premolar restored with fiber post and resin composite with different cavity designs
The investigation of the stress distribution and fatigue lifetime of endodontically treated mandibular premolar with various cavity designs for access opening, restored by resin composite with or without a fiber post was performed. A 3D model of a mandibular premolar with one root canal was…
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A grey relational analytical approach to orange peel filler particulates for tapped density experiments of green composite reinforcements
Monitoring density changes during transportation of composite fillers is the principal reason for composite industries implementing the tapped density concept. Till date, very sparse literature information exists on tapped density optimisation for orange peel particles (OPPs). A unique application…
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RFID data processing in a real-time monitoring system for marathon
In all marathon events, an organizer needs to determine the winners. However, this is a complicated process in a marathon event that has many participants and starting points with limited space. In such condition, runners cannot start running concurrently and thus the runners who cross the finish…
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Artikel Jurnal
Analysis of discharge consistency and performance of a sugarcane billet planter with side-conveyer concept
Sugarcane is an important economic crop of Okinawa Prefecture. The sugarcane billet planter has been widely used in Okinawa due to high labor costs and planting time limits. Most of them were powered by hydraulic systems to avoid ground wheel drive problems when working under high moisture heavy…
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Photocatalytic and antibacterial activity of ZnO powders prepared via sol-gel method
We report on synthesis of ZnO powders via sol-gel method. The prepared powders were calcined at the temperature of 300, 500 and 700°C for 1 h with the heating rate of 10°C/min. The microstructures of the fabricated powders were characterized by SEM and XRD techniques, and the results show that all…
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Filtration efficiency and filter resistance of nylon-6 and nylon-6/chitosan nanofibrous membranes
Pore size reduction of nanofibrous membranes and the removal efficiencies for submicron PS particles (410, 200, 90 and 50 nm) were investigated in this study. Blending chitosan with nylon-6 generated ultrafine fibers among typical nanofibers which could yield an electrospun membrane with smaller…
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Artikel Jurnal
Hybrid particle swarm optimization with Cauchy distribution for solving reentrant flexible flow shop with blocking constraint
This paper addresses a problem of the two-stage flexible flow shop with reentrant and blocking constraints in Hard Disk Drive Manufacturing. This problem can be formulated as a deterministic FFS|stage=2,rcrc, block|Cmax problem. In this study, adaptive Hybrid Particle Swarm Optimization with Cauchy…
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