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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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Coordinated between single-vendor and single-buyer inventory model with lead time reduction and price discount
This study is to construct an inventory system model in which a single vendor supplies a product to a single buyer. The buyer uses the (R,Q) inventory policy. The inventory model analyzed the problem that the ordering cost reductions depend on lead time in the continuous inspection inventory model…
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The efficiency of different types of wood charcoal on increasing carbon content on surfaces of low carbon steel in the pack carburizing process
The purpose of this research is to compare the efficiency of five types of wood charcoal, eucalyptus, coconut shell, tamarind, bamboo and cassava root in increasing carbon content on surfaces of low carbon steel by the pack carburizing process. The experiment for pack carburized low carbon steel…
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Effects of diesel and bio-diesel oils temperature on spray and performance of a diesel engine
Research paper is the spray and engine performance investigation from preheated diesel and biodiesel oils at fuel temperature from 60 to 90 o C by comparing with non-preheated oil. In the experiment, there are fuel injection modeling and diesel engine testing, which is direct injection, 4 stroke…
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Development process for integrated water resources management plan under a bottom-up participation perspective
This article presents the development process for the integrated water resources management and development plan of Maha Sarakham Province by considering the priority and urgency of water problem issues. Gathering feedback from stakeholders and prioritizing water management and development projects…
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Artikel Jurnal Teks lengkap
Thin-Layer Drying Models for Para Rubber Sheet
The purpose of this project was to study para rubber sheet drying at temperature of 40°, 50°, 60° and 70°, air velocity of 0.5 and 1 meter/second. The obtained experimental results were used to calculate moisture ratio values. Then the results obtained from 10 different types of thin layer drying…
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Volatile organic compounds adsorption using different types of adsorbent
Adsorbents were synthesized from coconut shell, coal and coke by pyrolysis followed by chemical activation process. These synthesized materials were used as adsorbents in adsorption test to determine the amount of volatile organic compounds (VOCs) namely, 2-Hydroxyethyl methacrylate (HEMA)…
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Applications of a saving method with max-min ant system to a vehicle routing problem with time windows and speed limits
This study aims to solve a Vehicle Routing Problem with Time Windows and Speed Limits (VRPTWSL), which has received considerable attention in recent years. The vehicle routing problem with time windows is an extension of the well-known Vehicle Routing Problem (VRP) and involves a fleet of vehicles…
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Investigation of Physical Properties and Electrochemical Behavior of Nitrogen-Doped Diamond-Like Carbon Thin Films
This work reports characterizations of diamond-like carbon (DLC) films used as electrodes for electrochemical applications. DLC thin films are prepared on glass slides and silicon substrates by radio frequency plasma enhanced chemical vapor deposition (RF-PECVD) using a gas mixture of methane and…
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Influence of portland cement replacement in high calcium fly ash geopolymer paste
This article presents the influence of ordinary Portland cement (OPC) replacement in high calcium fly ash (FA) geopolymer paste. FA was used to replace OPC at the rate of 5, 10 and 15% by mass of binder. Sodium silicate (Na2SiO3) and 10 molar sodium hydroxide (NaOH) solutions were used as the…
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Two-stage data envelopment analysis technique for evaluating internal supply chain efficiency
A two-stage data envelopment analysis (DEA) which uses mathematical linear programming techniques is applied to evaluate the efficiency of a system composed of two relational sub-processes, by which the outputs from the first sub-process (as the intermediate outputs of the system) are the inputs…
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The study on the properties of AISI 4140 and AISI 1040 steel rods welded by friction welding
This paper is aimed to investigate the properties of joint between AISI 4140 and AISI 1040 welded by friction welding. The specimens were prepared in round shape of 13 mm diameter and 100 mm long. They were welded by friction welding method under the following conditions; friction pressure of 183…
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Utilization of multi-temporal landsat imagery for analyzing land Use/Cover changes and urban expansion of Nakhon Rachasima City
One of important causes to climate change is land use/ land cover changes due to their important role in the amount of carbon dioxide in the atmosphere which directly relate to a solution to the problem of global warming. Analysis of land use/ land cover changes is thus very important for…
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Effects of HCl and HNO3 on the oxidation of toluene to benzaldehyde by H2O2 over TS-1 modified with Al in aqueous phase
This research studies effects of HCl and HNO3 in aqueous solution on the oxidation reaction between toluene and hydrogen peroxide to benzaldehyde over titanium silicalite-1 catalyst modified with Al. The reaction was carried out at reaction temperature 120°C in a pressurized autoclave reactor. The…
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Simulated annealing (SA) to vehicle routing problems with soft time windows
The researcher has applied and develops the meta-heuristics method to solve Vehicle Routing Problems with Soft Time Windows (VRPSTW). For this case there was only one depot, multi customers which each generally sparse either or demand was different though perceived number of demand and specific…
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Finite element modeling of axially loaded concrete columns with metal sheet confinement
This paper proposed a nonlinear finite element model to investigate mechanism and behavior of the concrete columns confined with metal sheet. Three dimensional modeling was chosen. Concrete was modeled using the Drucker-Prager yield criterion and a softening function, whereas the Von-Mises yield…
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Heuristics comparison for u-shaped assembly line balancing in the apparel factory
In recent year, many industries have adopted a Just-in-time (JIT) approach to manufacturing. One of the important changes resulting from JIT implementation is the replacement of the traditional straight lines with Ushaped assembly lines. The important characteristic of these new configurations is…
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Buku Teks lengkap
Rāingān phon kāndamnœ̄n ngān khō̜ng Khana ʻAnukammakān Sưksā Hēt læ Kǣkhai Panhā Kānthalo̜wiwāt nai Dek læ Yaowachon
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