3.541 hasil
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Artikel Jurnal Teks lengkap
An improvement of agricultural equipment manufacturing by using lean techniques : A case study of agricultural machinery company
The objective of this research was to study and improve the manufacturing process of agricultural equipment to reduce wastes by using the LEAN tools: a case study of agricultural machinery company. This study found that the main wastes were inefficiency of transportation and working process. The…
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Artikel Jurnal Teks lengkap
Synthesis of hydroxyapatite from biogenic wastes
Hydroxyapatite (HAp) is a major component of human bone, teeth and hard tissue. It is one of only a few bioactive materials. Since HAp is the most widely used ceramic biomaterial, various techniques have been developed to synthesize HAp. In recent years, the use of natural biogenic structures and…
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Artikel Jurnal Teks lengkap
Removal of green 40 from aqueous solutions by adsorption using organo-corn straw
The objective of this study was to investigate the adsorption characteristics of green 40 on organo-corn straw which was prepared by means of adsolubilization in batch tests and fixed bed column experiments. The batch tests were studied as functions of contact times (t), initial pH solutions (pH0)…
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Artikel Jurnal Teks lengkap
Analysis of a back flashover across insulator strings on a 115 kV transmission line tower by PSCAD
Lightning striking on a transmission tower induces high ground potential rise and high voltage at tower arms in which potential is normally at ground level, and subsequently causes overvoltage across an insulator string. If this overvoltage is higher than the withstanding voltage of the insulator…
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Artikel Jurnal Teks lengkap
Assessment of wind resource for possibility of small wind turbine installation in Ilorin, Nigeria
This work presents an evaluation of the wind characteristics of a particular location in University of Ilorin, Nigeria. The daily wind data for this location (lat. 8.48N, long. 4.67E) at three different heights of 10 m, 20 m and 30 m were measured over a period of six months. Although there seems…
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Artikel Jurnal Teks lengkap
Reduction of adhesive stain defect in flexible printed circuit board on hot pressing process: A case study of electronic component factory
The objective of this research is a reduction of an adhesive stain defect in flexible printed circuit board in hot pressing process, the electronic factory. The manufacturing have been processing by sheet type of products with ninety-six pieces of flexible printed circuit boards. Causes of the…
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Artikel Jurnal Teks lengkap
Multiple linear regression models for shear strength prediction and design of simplysupported deep beams subjected to symmetrical point loads
Because of nonlinear strain distributions caused either by abrupt changes in geometry or in loading in deep beam, the approach for conventional beams is not applicable. Consequently, strut-and-tie model (STM) has been applied as the most rational and simple method for strength prediction and design…
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Reconfiguration of distribution system with distributed generation using Firefly algorithm
This paper presents a reconfiguration technique for distribution system with distributed generation (DG) using Firefly algorithm (FA). The objective is to minimize total power losses of the system. In this paper, the technique is tested on the IEEE 33-bus radial distribution system. The result…
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Artikel Jurnal Teks lengkap
The study of temperature distribution in steel rods welded by friction welding using computer simulation
This study is aimed to investigate the temperature distribution in steel rods welded by friction welding. The study is conducted by experiment and FEA simulation and conditions for calculations is from 2D. The experiment is conducted using low carbon steel rods with a diameter 15 mm and 80 mm long…
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Artikel Jurnal Teks lengkap
A Study on factor affecting surface roughness in turning process of AISI 316L stainless steel by Shainin design of experiment method
Surface roughness on machined part is a key performance index of surface quality for metal machining industry. Selecting an appropriate machining condition is a way to reduce surface roughness. This study aimed to reduce surface roughness by determining the significant factors affecting surface…
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Artikel Jurnal Teks lengkap
The influence of fiber orientation angle on the impact characteristic of circular aluminum tube reinforced by fiber glass/polyester
This study was aimed to increase the impact resistance of circular tubes reinforced by fiber reinforced plastic (FRP).The tube made of aluminum 6063-T5 with the D/t ratio of 25.40, 29.63, and 42.33. Outside surface of aluminum tube was reinforced by wrapping fiberglass/polyester. The fiber…
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Relationship between the variations of hydrogen in HCNG fuel and the oxygen in exhausted gas
The variation of the mixing ratio between hydrogen and compressed natural gas (CNG) in hydrogen enriched compressed natural gas fuel (HCNG) gives different results in terms of engine performances, fuel consumption, and emission characteristics. Therefore, the engine performance using HCNG as fuel…
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Artikel Jurnal Teks lengkap
Development processes of a master plan for flood protection and mitigation in a community area: A case study of Roi Et province
Development processes of a master plan formulation for flood protection and mitigation consists of the selection process of a targeted area based on risk level, developing a present and future flood inundation map and a flood risk map and identify direction and drainage capacity of the targeted…
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A comparison of regression analysis for predicting the daily number of anxiety-related outpatient visits with different time series data mining
This study aimed to develop and evaluate different models to forecast the daily number of anxiety-relatedpatients seeking to visit the outpatient department in Prasrimahabhodi Psychiatric Hospital. The authors developed and tested four different models of outpatient visits using total daily counts…
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Method development for verification the completeancient statues by image processing
Ancient statues are cultural heritages that should be preserved and maintained. Nevertheless, such invaluable statues may be targeted by vandalism or burglary. In order to guard these statues by using image processing, this research aims to develop a technique for detecting images of ancient…
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Artikel Jurnal Teks lengkap
An experimental study of the combustion characteristics of groundnut shell and waste paper admixture briquettes
The study was undertaken to assess the heat released of briquettes produced from waste paper and groundnut shell admixture in five mixing ratios (90:10; 80:20; 70:30; 60:40; and 50:50). The briquettes were prepared on an existing motorized briquetting machine. The suitability of briquetted fuel as…
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Artikel Jurnal Teks lengkap
Electricity generation of Plant Microbial Fuel Cell (PMFC) using Cyperus Involucratus R.
This research is a study of microbial fuel cells produce electricity from plants using Cyperus involucratus R. called Plant Microbial Fuel Cell (PMFC). As a result of the polarization curve, by adjusting the external resistance between 10 to 12,000 ohms, it was found that the internal resistance of…
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Artikel Jurnal Teks lengkap
Daylighting for energy conservation in an existing building under tropical climate conditions: a case study of Lai Sue Thai building Ramkhamhaeng University
Daylighting using skylight has been shown to have a high potential in reducing electrical lighting energy, and could provide a more pleasant atmosphere of a daylit space. However, in hot climates, the main constraint of daylighting is the solar heat gain that contributes to major heat load for an…
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Artikel Jurnal Teks lengkap
Mechanical property and gas permeability property of polyethylene film mixed with bagasse
The objective of this study was to determine the effect of variables on the property of low density polyethylene (LDPE)/bagasse film. Two variables are focused and studied. These two variables are the bagasse content and the stretching ratio during the film forming. The proportion of bagasse in the…
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Artikel Jurnal Teks lengkap
A study of speed limits and speed control measures for the urban arterial road
Speed limits in accordance with environment and road functions have been used as a fundamental tool for speed management and road safety. This paper presents literatures review of speed limits measure and results from the study on speed limits problem and driver attitude toward the speed limit and…
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