20 articles in this issue
Wonsiri Punurai, Paul Davis
For buried Asbestos cement (AC) pipes in service, internal and external surface degradation occur by dissolution or leaching of cement-based components leading to loss of pipe strength. Since water quality and soil environment cannot be completely specifi... see more
Wilaiporn Insuwan, Kunwadee Rangsriwatananon
Zeolite LTL (K_LTL and H_LTL) was used as adsorbent for the adsorption of herbicide paraquat from an aqueous solution. The characterization of zeolite LTL has been carried out through various techniques: X-ray diffraction, X-ray fluorescence spectroscopy,... see more
Taofik Oladimeji Azeez, Onukwuli Dominic Okechukwu
The effect of chemically modified Cissus populnea (C. populnea) fiber using sodium hydroxide (NaOH) and sodium lauryl sulphate (SLS) on mechanical, morphological and physical (density and water absorption behaviour) properties of C. populnea fiber/recycle... see more
Abel Abelito Castañeda, Francisco Corvo, Dainerys Fernández, Cecilia Valdés
Atmospheric corrosion is important to consider for energy production and transmission. Important and valuable information have been accumulated in this subject; however, the application of new knowledge obtained is not completed. In order to contribute to... see more
Kwanchai Pakoksung, Masataka Takagi
In hydrological processes, rainfall is one of the important components of water supply for human life. We considered how well the statistical distribution simulates rainfall intensity. We propose an asymmetric statistical probability distribution joined b... see more
Camilo Andrés Pulido Rojas, Leonardo Enrique Solaque Guzman, Nelson Fernando Velasco Toledo
This paper exposes a comparative analysis of three weed classification strategies based on area and texture features over images of vegetable crops, focus on provide a technological tool to support farmers in their maintenance tasks. The classification al... see more
Pinitpon Pituya, Thavivongse Sriburi, Saowanee Wijitkosum
Biochar was prepared from Acacia wood by slow pyrolysis process under different conditions in order to determine the optimum condition of the pyrolysis temperature and time. The temperature was varied from 300 - 500oC meanwhile the time was varied from 1 ... see more
Is Fatimah, Septian Perwira Yudha
Surface modification of saponite clay by surface functionalization using N-[3-(Trimethoxysilyl)propyl]ethylenediamine was performed. This study of the physicochemical characteristics of modified saponite as a function of its functional compound content wa... see more
Praphasiri Chantharawong, Aunnop Wongrueng, Pharkphum Rakruam, Suraphong Wattanachira, Satoshi Takizawa
The objective of this research was to study the effects of a pretreatment using activated carbon and cationic exchange resin on groundwater defluoridation by a reverse osmosis membrane. Actual groundwater containing a high fluoride concentration was colle... see more
Pilaiwan Chaiwang, Benjapon Chalermsinsuwan, Pornpote Piumsomboon
The effect of the system hydrodynamics in a circulating fluidized bed downer (CFBD) reactor with a reducing operating pressure and solid mass flux on the hydrodynamics in a downer reactor were evaluated using a two-dimensional computational fluid dynamics... see more
Kimleng Khy, Chatpan Chintanapakdee
ASCE 7 allows structural engineers to use Response Spectrum Analysis (RSA) procedure to compute the seismic design forces of the structures. However, seismic shear demands of reinforced concrete (RC) walls determined by RSA have been found to be inadequat... see more
Deni Swantomo, Giyatmi Giyatmi, Satrio Hadiid Adiguno, Doonyapong Wongsawaeng
Recycling process of waste cotton fabrics into value added products is still limited. Cotton fabrics are made of cotton fiber, which is a high cellulose source and it can be converted into microcrystalline cellulose (MCC). In this research, MCC was prepar... see more
Tengku Norliza Tengku Mohamad, Jahariah Sampe, Dilla Duryha Berhanuddin
This research work presents a novel architecture of Hybrid Input Energy Harvester (HIEH) system for semi-active Radio Frequency Identification (RFID) tags. The proposed architecture consists of three input sources of energy which are radio frequency signa... see more
Sina Pourzahedi, Iman Aghayan
With regard to increase in growth of population in metropolitan areas around the world, the development of urban infrastructures in a way that is responsive to the population has become a major concern. Today, many cities are willing to use rail transport... see more
Saeed Farzin, Gholam Ali Shafabakhsh, Ehsan Teymouri, Mohammad Reza Aeine Heydari, Mana Motamedi
In the recent years, by replacing a part of our country's asphalt pavements with concrete pavements, it is necessary to perform appropriate actions in order to preserve and repair destructions (due to executive weaknesses, loading and environmental condit... see more
P. N. L. Pavani, R. Pola Rao, K. Santa Rao
In non-traditional machining, electrical discharge machining (EDM) has tremendous potential on account of versatility of its applications and is successfully, commercially used in modern industries. EDM process is capable to machine geometrically complex,... see more
Ikram E. Khuda
In this paper, we have proposed an analytical body (breast-tissue) propagation model in terms of scattering parameters towards the design goal of a suitable ultra-wide band, (UWB) transceiver for early breast tumor detection. The scattering parameters are... see more
Pramote Charongrattanasakul, Adisak Pongpullponsak
This research applies the fuzzy concept in development of an integrated model (Statistical process control and Maintenance management) with Weibull distribution for Exponentially Weighted Moving Average (EWMA) control chart. Since sample data may contain ... see more
Suvimol Sujjavanich, Chanakorn Wongtanasarasin, Paisan Kongkachuichay
The cation exchange capability (CEC), pozzolanic reaction, and filling effects are important keys of natural zeolite for mitigation of Alkali Silica Reaction (ASR), but variation of the zeolite's composition is a major problem when it is utilized. This ma... see more
Ekachai Juntasaro, Abdul Ahad Narejo
A new and complete version of the gamma-kL transition model has been continually developed and proposed in the present paper. This version of the gamma-kL transition model can predict the effects of pressure gradient on the mean flow. The gamma-kL transit... see more