Research Articles – Page 32 – Asia-Pacific Journal of Science and Technology (APST)

Vol. 22 No. 1 (2017): March

The influence of environmental values and attitudes on student intentions to participate in a mobile phone take back program

Siti Mahsanah Budijati Department of Industrial Engineering, Faculty of Industrial Technology, Ahmad Dahlan University, Warungboto, Yogyakarta, Indonesia DOI: https://doi.org/10.14456/apst.2017.24 Keywords: Environmental value Environmental attitude Student’s intention Take back program Structural Equation Modeling (SEM). Abstract One of a mobile phone take back program’s goals is to preserve the environment. Participation of consumers in such a take […]

Vol. 22 No. 1 (2017): March

Contribution of Income generation space (IGS) in row-type housing for sustainable housing enhancement

Nayatat Tonmitr Board of Academic Journal of Faculty of Architecture, Faculty of Architecture, Khon Kaen University, Thailand Kittipong Tonmitr High-voltage Engineering Research Laboratory, Department of Electrical Engineering, Faculty of Engineering, Khon Kaen University, Thailand. Nobuyuki Ogura Sustainable Housing Research Laboratory, Department of Civil Engineering and Architecture, Faculty of Engineering, University of the Ryukyus, Japan. Eiji […]

Vol. 22 No. 1 (2017): March

Evaluating the efficiency of slope-farming in Nghia Dan district, Nghe An province, Vietnam

Dinh Van Dung Faculity of Civil Engineering, Vinh University, NgheAn province, VietNam Dinh Thi Kim Hao Faculity of Biology, Vinh University, 182 LeDuan street, NgheAn province, VietNam. Hoang Huu Tinh Faculity of Information Technology Vinh University, 182 LeDuan street, NgheAn province, VietNam DOI: https://doi.org/10.14456/apst.2017.4 Keywords: Agricultural Slope-farming Land use type Cultivation. Abstract Cultivation on slopes […]

Vol. 22 No. 1 (2017): March

The use of a certainty factor method in diagnosing diseases of plantation crops with economic value

Sri Winiarti Unit on System Modeling for Industry, Department of Informatic Engineering, Faculty of Industrial Technology, Universitas Ahmad Dahlan, Yogyakarta, Indonesia Efi Listiani Dewi Unit on System Modeling for Industry, Department of Informatic Engineering, Faculty of Industrial Technology, Universitas Ahmad Dahlan, Yogyakarta, Indonesia DOI: https://doi.org/10.14456/apst.2017.25 Keywords: Certainty factor Expert system Plantation crops Abstract Indonesia is […]

Vol. 22 No. 1 (2017): March

Feature reduction using the minimum noise fraction and principal component analysis transforms for improving the classification of hyperspectral images

Murinto – Department of Informatics, Faculty of Industrial Engineering, Universitas Ahmad Dahlan Yogyakarta, Indonesia Nur Rochmah Dyah PA Department of Informatics, Faculty of Industrial Engineering, Universitas Ahmad Dahlan Yogyakarta, Indonesia DOI: https://doi.org/10.14456/apst.2017.5 Keywords: Classification Feature Reduction Hyperspectral image MNF PCA. Abstract Dimensionality reduction is an important milestone in the preliminary process of higher dimensional data […]

Vol. 22 No. 1 (2017): March

Soil column-based experimental design to assess the impact of compost and vermicompost amendments on maize biomass

Phimmasone Sisouvanh Faculty of Agriculture, National University of Laos, Vientiane capital, Lao PDR. Vidhaya Trelo-ges Faculty of Agriculture, Khon Kean University, Khon Kaen, Thailand Christian Hartmann Institute of Ecology and Environmental Sciences of Paris (iEES – Paris) UMR 242 (IRD-UPMC-CNRS-UPECUDD-INRA), Department of Agricultural Land Management (DALaM), Ban Nongviengkham, Vientiane, Lao PDR Alain Pierret Institute of […]

Vol. 21 No. 4 (2016): December

Carbon stock assessment under different ages of rubber tree plantation

Porntip Puttaso Department of Plant Science and Agricultural Resources, Land Resources and Environment Section, Faculty of Agriculture, Khon Kaen University,Thailand Naruemol Kaewjampa Department of Plant Science and Agricultural Resources, Land Resources and Environment Section, Faculty of Agriculture, Khon Kaen University,Thailand Phrueksa Lawongsa Department of Plant Science and Agricultural Resources, Land Resources and Environment Section, Faculty […]

Vol. 21 No. 4 (2016): December

Economic analysis of water heating technology in Thailand

Suttinee Jingjit Faculty of Environmental Management, Prince of Songkla University, Hatyai, Songkhla, Thailand Kuaanan Techato Faculty of Environmental Management, Prince of Songkla University, Hatyai, Songkhla, Thailand DOI: https://doi.org/10.14456/apst.2016.15 Keywords: economic analysis instantaneous water heaters water heating energy management Abstract The instantaneous water heaters (IWH) in Thailand are widely used to generate hot water in household, […]

Vol. 21 No. 4 (2016): December

Abilities of phosphate solubilizing bacteria isolated from sandy soils under rubber tree plantations of different ages in Northeast Thailand

Kiriya Sungthongwises Department of Plant Science and Agricultural Resources, Faculty of Agriculture, Khon Kaen University, Khon Kaen, Thailand Sukanya Taweekij Land Development Department, Land development office region 5, Land Development Department, Ministry of Agriculture and Coorperative, Khon Kaen , Thailand DOI: https://doi.org/10.14456/apst.2016.11 Keywords: Bacteria Phosphate Solubilization Rubber sandy soil Abstract In order to understand the […]

Vol. 21 No. 4 (2016): December

Description of an agroforestry system

Vichot Jongrungrot Department of Agricultural Development, Faculty of Natural Resources, Prince of Songkla University, Hadyai, Songkhla, Thailand DOI: https://doi.org/10.14456/apst.2016.14 Keywords: agroforestry economic environmental social security agrarian communities Abstract This study aimed to determine the definition of agroforestry and the functions of agroforestry system that could be modified to strengthen agrarian communities. The methodology of this […]