Research Articles – Page 28 – Asia-Pacific Journal of Science and Technology (APST)

Vol. 27 No. 05 (2022): SEP-OCT

The performance and feasibility analysis of solar-powered screw pumps for the agricultural sector in Thailand

Suwimon Saneewong Na Ayuttaya Department of Mechanical Engineering, Academic Division, Chulachomklao Royal Military Academy, Nakhon Nayok, Thailand DOI: https://doi.org/10.14456/apst.2022.78 Keywords: Screw pump Solar Cell Panel Angle of Inclination Performance Analysis Feasibility Analysis Abstract A solar water pumping system is an ideal alternative to electric water pumping system and it is useful for the agricultural sector […]

Vol. 27 No. 05 (2022): SEP-OCT

Correlation between fibroepithelial lesions with breast core needle biopsy and surgical excision

Piyapharom Intarawichian Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Kuntinun Kanchana Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Waritta Kunprom Department of Pathology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Ongart Somintara Department of Surgery, Faculty of Medicine, Khon Kaen University, Khon Kaen, […]

Vol. 22 No. 4 (2017): December

Chemical characterization of leonardite and its potential use as a soil conditioner for plant growth enhancement

Chanyut Ratanaprommanee Department of Plant and Soil Science, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand Kawiporn Chinachanta Department of Plant and Soil Science, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand Fapailin Chaiwan Department of Plant and Soil Science, Faculty of Agriculture, Chiang Mai University, Chiang Mai, Thailand Keywords: Leonardite Plant nutrients […]

Vol. 27 No. 05 (2022): SEP-OCT

Genetic parameter estimates for alternative growth traits and their relationship with the absolute and relative growth rates of Thai black-bone chickens

Suppasit Plaengkaew Department of Agriculture and Resources, Kasetsart University Chalermphrakiat Sakon Nakhon Province Campus, Sakon Nakhon, Thailand Panuwat Khumpeerawat Department of Agriculture and Resources, Kasetsart University Chalermphrakiat Sakon Nakhon Province Campus, Sakon Nakhon, Thailand Kenneth J. Stalder Department of Animal Science, Iowa State University, Iowa, USA DOI: https://doi.org/10.14456/apst.2022.76 Keywords: Absolute growth rate Thai black-bone chicken […]

Vol. 22 No. 3 (2017): September

Evaluation of carbon dioxide absorbed in Para rubber biomass to the valuation of the contracts on carbon credits in voluntary markets.

Haritsalak Viriya Environmental Science program. Faculty of Science and Technology. Nakhon Ratchasima Rajabhat University, Nakhon Ratchasima, Thailand DOI: https://doi.org/10.14456/apst.2017.19 Keywords: Carbon dioxide absorption rubber plantations Carbon stock Abstract Prospective imbalances between supply and demand have been indicated in the rubber market resulting in a continuous plunge in rubber prices. At its lowest average price in […]

Vol. 27 No. 05 (2022): SEP-OCT

Investigation of mangosteen 1H-NMR relaxation properties aims for detection of translucent flesh disorder

Suriya Chinwong Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand Nath Saowadee Department of Physics, Faculty of Science, Khon Kaen University, Khon Kaen, Thailand DOI: https://doi.org/10.14456/apst.2022.75 Keywords: Mangosteen Translucent flesh disorder NMR relaxometry Time domain NMR Inverse Laplace transform CONTIN Abstract Nuclear magnetic resonance (NMR) relaxation properties of four separate mangosteen […]

Vol. 22 No. 3 (2017): September

Comparing the effects of various smartphones on the accuracy of Wi-Fi based proximity estimation approaches in an outdoor setting

Tuul Triyason School of Information Technology, King Mongkut’s University of Technology Thonburi, Bangkok, Thailand Pisal Setthawong Department of Business Information Systems, Assumption University, Bangkok, Thailand DOI: https://doi.org/10.14456/apst.2017.17 Keywords: Proximity Estimation Wi-Fi Received Signal Strength Indication Smartphone Abstract Proximity estimation is a task that estimates the distance between a reference point and a selected object. It […]

Vol. 27 No. 05 (2022): SEP-OCT

Cassava-cowpea intercropping system for controlling soil erosion in the Northern mountainous areas of Vietnam

Nguyen T. Trung Faculty of Natural Resources and Environment, Vietnam National University of Agriculture, Hanoi City, Vietnam Vinh L. Bui Faculty of Natural Resources and Environment, Vietnam National University of Agriculture, Hanoi City, Vietnam Didier Lesueur Alliance of Bioversity International and CIAT, Asia Hub, Common Microbial Biotechnology Platform, Hanoi City, Vietnam Mary Atieno Alliance of […]

Vol. 22 No. 3 (2017): September

Rectangular layer model for profile-based human action recognition using multi view depth information

Pongsagorn Chalearnnetkul Department of Computer Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla, Thailand Nikom Suvonvorn Department of Computer Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla, Thailand DOI: https://doi.org/10.14456/apst.2017.23 Abstract Human action recognition is a fundamental component for understanding complex activities or behaviors, especially for video surveillance and […]

Vol. 22 No. 3 (2017): September

Anomaly detection in a crowded scene using an interaction force model

Chonthisa Wateosot Department of Computer Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla Nikom Suvonvorn Department of Computer Engineering, Faculty of Engineering, Prince of Songkla University, Hat Yai, Songkhla DOI: https://doi.org/10.14456/apst.2017.16 Keywords: computer vision optical flow energy force Abstract Anomaly detection in a crowded scene is an important issue in computer vision. […]