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ISSN:    frecuency : 4   format : Electrónica

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Volume 22 Number 4 Year 2018

14 articles in this issue 

Gan Pavapootanont, Pornwasa Wongpanya, Ekkarut Viyanit, Gobboon Lothongkum

This work studied the corrosion behaviors of 15Ni, 23Ni, 31Ni and 40Ni steels in aerated 3.5% NaCl solutions at pH 2, 7, 10 and temperature of 25ºC. The observed microstructures of 15 and 23 wt.% Ni steels were partially martensite, but those of 31 and 40... see more

Pags. 1 - 12  

Thitinun Pongnam, Vichian Plermkamon

Color removal from pulp and paper mill wastewater by using fly ash was one of the effective and low-cost methodologies to improve the quality of the wastewater. The fly ash had the capability to remove various organic pollutants, such as Lignin, Tannins, ... see more

Pags. 13 - 22  

Witchayut Niyom, Decharthorn Komolyothin, Benjaporn Boonchayaanant Suwannasilp

Microbial fuel cells (MFCs) have been considered as an alternative for the treatment and energy recovery of organic wastewater containing sulfate, which cannot be achieved via conventional anaerobic treatment processes. This study investigates the perform... see more

Pags. 23 - 37  

Chanpheng Phommavone, Boonchai Sangpetngam

The design method of pavement structure is evolving to the new Mechanistic-Empirical (M-E) approach. A major benefit of M-E approach is being able to identify the distress patterns and the progress rate of a given pavement structure. This is possible by t... see more

Pags. 39 - 49  

Jitin Khemwong, Nisachon Tangsangiumvisai

This paper introduces a two-step dental-drill Noise Reduction (NR) technique based upon the Adaptive Noise Cancellation (ANC) system. The proposed technique is particularly designed for the NR headphone, which the patients should be wearing while having t... see more

Pags. 51 - 66  

Rungrawee Wattanapornprom, Daniel Nichol Reyes Valerio, Withit Pansuk, Thuc Nhu Nguyen, Phoonsak Pheinsusom

This paper experimentally explores the fire resistance of reactive powder concrete (RPC) columns with varying steel and polypropylene (PP) fiber content. RPC is a concrete composition with the highest developed compressive strength and is incorporated wit... see more

Pags. 67 - 82  

Kasidit Phanpa, Kritchart Wongwailikhit, Rawadee Dammee, Sermpong Sairiam, Marupatch Jamnongwong, Pisut Painmanakul

Hollow fiber membrane contactor is nowadays one of the alternative absorption processes for conventional bubble columns. In this work, the performances of microporous hollow fiber membranes for aeration and CO2 absorption were investigated. The membranes ... see more

Pags. 83 - 95  

Sefiu Adekunle Bello, Johnson Olumuyiwa Agunsoye, Jeleel Adekunle Adebisi, Nasirudeen Kolawole Raji, Raphael Gboyega Adeyemo, Abdul Ganiyu Funsho Alabi, Suleiman Bolaji Hassan

Polymers are characterised with lightness, ease of formability and resistance to chemical attack but their modulus and strength are low. Epoxy was reinforced with aluminium particles of different sizes. Bond, functional group and chemical formulae of the ... see more

Pags. 97 - 107  

Wuttiphol Chansrakoo, Somchai Chuan-Udom

This study aimed at investigating the operational factors that affect the performance of a short axial-flow soybean unit. The result would be applied in developing a soybean combine harvester to be installed with a small tractor. The axial-flow soybean th... see more

Pags. 109 - 120  

Waluyo Waluyo, Syahrial Syahrial, Fathurrahman Yasin

Solar energy is one of renewable and environmentally clean energy, which is very potential to meet electricity demand. Besides that, it is also necessary for wireless power transmission. The purpose of research was to transfer the electric energy in wirel... see more

Pags. 121 - 145  

Saha Dauji

For construction and mining activities, excavation in hard or weathered rock or even hard soil, is often performed with the help of blasting. As a safety practice the blasting operation has to be designed such that the existing structures in the vicinity ... see more

Pags. 147 - 159  

Chalika Saksupawattanakul, Wiwat Vatanawood

The behavioral correctness of real-time software system relies on both the result of its computation and the clock times when the result is produced. Obviously, formal verification of the safety and correctness of real-time software specification from the... see more

Pags. 161 - 175  

Pannate Jongpanichkultorn, Daricha Sutivong, Prabhas Chongstitvatana

The aim of this paper is twofold: to propose the model of artificial prediction markets that capture the characteristics of real prediction markets and to study the impact of key parameters on the performance of the proposed markets. In the experiments, t... see more

Pags. 177 - 190  

Sivakumar Anandan, Saiful Islam, Roohul Abad

Mechanical properties of concretes substituted with steel fibres and its relative merits on the size reduction of concrete specimens had been investigated in this study. Reinforcing efficiency of steel fibres on the flexural bending characteristics of thi... see more

Pags. 191 - 208