Research Articles – Page 25 – Asia-Pacific Journal of Science and Technology (APST)

Vol. 23 No. 4 (2018): October-December

Batch butanol fermentation from sugarcane molasses integrated with a gas stripping system: Effects of sparger types and gas flow rates

Thanawat Thanapornsin Graduate School, Khon Kaen University, Khon Kaen, Thailand Patthranit Sanchanda Graduate School, Khon Kaen University, Khon Kaen, Thailand Lakkana Laopaiboon Department of Biotechnology, Faculty of Technology, Khon Kaen University, Khon Kaen, Thailand & Fermentation Research Center for Value Added Agricultural Products, Faculty of Technology, Khon Kaen University, Khon Kaen, Thailand Pattana Laopaiboon Department […]

Vol. 23 No. 4 (2018): October-December

Cadaveric and angiographic studies of superior thyroid artery: anatomical variations in origin and distance to carotid bifurcation.

Pattama Amarttayakong Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Worawut Woraputtaporn Department of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Waranon Munkong Department of Radiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Sukrit Sangkhano School of Public Health, Walailuk University, Nakhonsithammarat, Thailand DOI: https://doi.org/10.14456/apst.2018.14 Keywords: […]

Vol. 23 No. 4 (2018): October-December

Arsenic-resistant bacteria isolated from highland soils of northern Thailand and possible application in bioremediation and plant growth promotion

Yupa Chromkaew Doctor of Philosophy Program in Soil Science and Natural Resources Management, Graduate School, Chiang Mai University, Chiang Mai, Thailand Kawiporn Chinachanta Department of Plant and Soil Science, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand Arawan Shutsrirung Department of Plant and Soil Science, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand […]

Vol. 23 No. 4 (2018): October-December

Effects of organic coconut flower syrup on glucose and insulin responses and substrate utilization

Naruemon Leelayuwat Department of Physiology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand & Exercise and Sport Sciences Development and Research Group, Khon Kaen University, Khon Kaen, Thailand Benja Saelim Exercise and Sport Sciences Development and Research Group, Khon Kaen University, Khon Kaen, Thailand & Cardiac Rehabilitation Group of Queen Sirikit Heart Center of […]

Vol. 23 No. 4 (2018): October-December

Estimating parameters of a stochastic volatility model using the expectation-maximization algorithm coupled with a Gaussian particle filter

Tanit Malakorn Department of Electrical and Computer Engineering, Naresuan University, Phitsanulok, Thailand Thanapat Iamtan National Science and Technology Development Agency, Pathum Thani, Thailand DOI: https://doi.org/10.14456/apst.2018.17 Keywords: Maximum likelihood Parameter estimation Bootstrap filter Daily exchange rates Abstract In this paper, the expectation-maximization algorithm coupled with a Gaussian particle filter for maximum likelihood parameter estimation of a […]

Vol. 23 No. 4 (2018): October-December

Monitoring of pesticide residues in domestic vegetables in Thailand during 2015

Jitpaka Suntudrob Bureau of Quality and Safety of Food, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand Wischada Jongmevasna Bureau of Quality and Safety of Food, Department of Medical Sciences, Ministry of Public Health, Nonthaburi, Thailand Thongsuk Payanan Bureau of Quality and Safety of Food, Department of Medical Sciences, Ministry of Public Health, […]

Vol. 23 No. 4 (2018): October-December

Effect of density and surface finishing on sound absorption of oil palm frond

Nanthicha Bubparenu Department of Environmental Health Sciences, Faculty of Public Health, Mahidol University, Bangkok, Thailand Nikhom Laemsak Department of Environmental Health Sciences, Faculty of Public Health, Mahidol University, Bangkok, Thailand & Department of Forest Products, Faculty of Forestry, Kasetsart University, Bangkok, Thailand Ratchapak Chitaree Department of Physics, Faculty of Science, Mahidol University, Bangkok, Thailand Tanasri […]

Vol. 23 No. 4 (2018): October-December

SARIMA intervention based forecast model for visitor arrivals to Chiang Mai, Thailand

Rati Wongsathan Department of Electrical and Computer Engineering, Faculty of Engineering and Technology, North-Chiang Mai University, Hangdong, Chiang Mai, Thailand DOI: https://doi.org/10.14456/apst.2018.19 Keywords: SARIMA SARIMA with Intervention Visitor forecast Abstract The purpose of this research is to implement the forecast model for domestic and international visitor arrivals to Chiang Mai, Thailand using seasonal autoregressive integrated […]

Vol. 23 No. 3 (2018): JULY-SEP

What are predictors for a continuous positive airway pressure machine purchasing in obstructive sleep apnea patients?

Bundit Sawunyavisuth Department of Marketing, Faculty of Business Administration and Accountancy, Khon Kaen University, Khon Kaen, Thailand DOI: https://doi.org/10.14456/apst.2018.10 Keywords: insomnia marketing factors predictors Abstract Obstructive sleep apnea (OSA) is a disease which causes or relates to several health and societal conditions. Even though continuous positive airway pressure (CPAP) machine has several benefits for OSA treatment, […]

Vol. 27 No. 01 (2022): JAN-FEB

Properties and microstructure of composite cement paste with diatomaceous earth powder (DEP) from Aceh Besar district – Indonesia

Muttaqin Hasan Department of Civil Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia Taufiq Saidi Department of Civil Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia H Husaini Department of Mechanical Engineering, Universitas Syiah Kuala, Banda Aceh, Indonesia DOI: https://doi.org/10.14456/apst.2022.3 Keywords: Diatomaceous earth Composite cement Compressive strength Microstructure Water demand Abstract The research was conducted to determine […]