Vol. 22 No. 3 (2017): September – Asia-Pacific Journal of Science and Technology (APST)

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. 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. 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. […]

Vol. 22 No. 3 (2017): September

The even door problem

Yuttana Ratibenyakool Srinakharinwirot University, Department of Mathematics, Faculty of Science, Bangkok, Thailand Anocha Masiri Srinakharinwirot University, Department of Mathematics, Faculty of Science, Bangkok, Thailand Thitiya Ngamkhiew Srinakharinwirot University, Department of Mathematics, Faculty of Science, Bangkok, Thailand Nahathai Rerkruthairat Srinakharinwirot University, Department of Mathematics, Faculty of Science, Bangkok, Thailand DOI: https://doi.org/10.14456/apst.2017.20 Keywords: pi Monty Hall Problem […]

Vol. 22 No. 3 (2017): September

Manual wheelchair longevity and related factors among spinal cord lesion patients

Panya Ngamwongsa-nguan Department of Rehabilitation Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Preeda Arayawichanon Department of Rehabilitation Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Nuttaset Manimmanakorn Department of Rehabilitation Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand DOI: https://doi.org/10.14456/apst.2017.21 Keywords: wheelchair broken repair wheelchair lifetime spinal cord […]

Vol. 22 No. 3 (2017): September

Selection of bioinoculants for tomato growth enhancement and pathogen resistance

Kedsukon Maneewan Research Unit on Natural Antioxidant Innovation, Department of Biotechnology, Faculty of Technology, Mahasarakham University, Mahasarakham, Thailand. Nittaya Khonsarn Research Unit on Natural Antioxidant Innovation, Department of Biotechnology, Faculty of Technology, Mahasarakham University, Mahasarakham, Thailand. DOI: https://doi.org/10.14456/apst.2017.37 Keywords: plant growth promoting rhizobacteria (PGPR) Serratia marcescens Bacillus licheniformis. chitinase phosphate solubilization antifungal activity Abstract Bioinoculants […]

Vol. 22 No. 3 (2017): September

Phytochemistry and bioactive compounds from Garcinia cowa roxb.

Ngampuk Tayana School of Science, Mae Fah Luang University, Chiang Rai, Thailand. Siripat Suteerapataranon School of Science, Mae Fah Luang University, Chiang Rai, Thailand. Suwanna Deachathai School of Science, Mae Fah Luang University, Chiang Rai, Thailand. DOI: https://doi.org/10.14456/apst.2017.37.22 Keywords: Garcinia cowa xanthones antibacterial antioxidation cytotoxicity Abstract Phytochemical investigation of the roots of Garcinia cowa Roxb. resulted in […]

Vol. 22 No. 3 (2017): September

Efficiency of an alternative double cut tapping system to improve latex productivity of rubber tree clone RRIT251 in marginal areas of Thailand

Sophea Nhean Horticultural Section, Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand Supat Isarangkool Na Ayutthaya Horticultural Section, Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand Patcharin Songsrn Agronomy Section, Department of Plant Science and Agricultural Resources, Faculty of […]

Vol. 22 No. 3 (2017): September

An accident prevention model: Case study of a small-scale wood workshop in a developing country

Ozichukwu Osakwe Department of Mechanical Engineering, Faculty of Engineering, University of Lagos, Nigeria Ukemeobong Etokowo Owoh Department of Mechanical Engineering, Faculty of Engineering, University of Lagos, Nigeria Sunday Ayoola Oke Department of Mechanical Engineering, Faculty of Engineering, University of Lagos, Nigeria DOI: https://doi.org/10.14456/apst.2017.15 Keywords: Accident prevention barriers tree analysis Lagrange’s multiplier. Abstract Majority of processing […]