Archives – Page 45 – Asia-Pacific Journal of Science and Technology (APST)

Vol. 28 No. 02 (2023): MAR-APR

Durability performance of geopolymer mortar containing high calcium fly ash and low-grade waste clay

Sreedevi Lekshmi Department of Civil Engineering, National Institute of Technology Calicut, Kerala, India J. Sudhakumar Department of Civil Engineering, National Institute of Technology Calicut, Kerala, India Sneha Thomas APJ Abdul Kalam Technological University, Trivandrum, Kerala, India DOI: https://doi.org/10.14456/apst.2023.20 Keywords: Dry density Compressive strength Water absorption Sorptivity Abrasion resistance Molarity Fly ash Clay Abstract The primary […]

Vol. 28 No. 02 (2023): MAR-APR

Application of digital image processing for seedling vigor estimation of primed tomato seed

Pichittra Kaewsorn Department of Horticulture, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand Raksak Sermsak Department of Farm Mechanics, Faculty of Agriculture, Kasetsart University, Bangkok, Thailand DOI: https://doi.org/10.14456/apst.2023.19 Keywords: Image analysis Mean germination time Seed priming Seedling vigor index Speed of germination Abstract Digital image processing was used to estimate the seedling vigor of tomato cv. […]

Vol. 28 No. 02 (2023): MAR-APR

Latent tuberculosis infection one year after exposure among hospital laboratory workers

Narathip Ruamtham Department of Community, Family and Occupational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Naesinee Chaiear Department of Community, Family and Occupational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Phanumas Krisorn Department of Community, Family and Occupational Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand Kiatichai […]

Vol. 28 No. 02 (2023): MAR-APR

Stability improvement of bubbles by entraining fine air in self-compacting concrete proportioned at factory scale

Anuwat Attachaiyawuth Department of Civil Engineering, Faculty of Engineering at Sriracha, Kasetsart University Sriracha Campus, Chonburi, Thailand Nipat Puthipad School of Systems Engineering, Kochi University of Technology, Kochi, Japan Masahiro Ouchi School of Systems Engineering, Kochi University of Technology, Kochi, Japan DOI: https://doi.org/10.14456/apst.2023.17 Keywords: Air-SCC Air size distribution Stability improvement Specific surface area Stability of […]

Vol. 28 No. 03 (2023): MAY-JUNE

Kerf-width optimization and surface characterization of wire electric discharge machined Ti-6Al-4V using response surface method

Deepak Doreswamy Department of Mechatronics, Manipal Institute of Technology, Manipal Academy of Higher Education, Karnataka, India Sai D. Shreyas Department of Mechatronics, Manipal Institute of Technology, Manipal Academy of Higher Education, Karnataka, India Satheesh Javaregowda Department of Mechanical Engineering, SJB Institute of Technology, Bangalore, India Anjaiah Devineni Department of Automobile Engineering, School of Automobile, Mechanical […]

Vol. 28 No. 03 (2023): MAY-JUNE

Design and 3D printing of non-stochastic polylactic acid structures for biomedical applications

Hemanth Dadi Ajinomoto Bio Pharma Services, Visakhapatnam, India Rambabu Sarimalla Vignan’s Institute of Information Technology (VIIT), Visakhapatnam, India Rudra K. Adapa Vignan’s Institute of Information Technology (VIIT), Visakhapatnam, India DOI: https://doi.org/10.14456/apst.2023.50 Keywords: Polylactic acid Fused deposition modeling Elastic modulus Porosity Additive manufacturing Abstract The mechanical characteristics of Polylactic acid (PLA) created using the fused deposition […]

Vol. 28 No. 03 (2023): MAY-JUNE

In silico prediction of molecular and functional annotation of hypothetical protein (ABC47680) of Acinetobacter venetianus

Sadia H. Tonny Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh, Bangladesh Prodipto B. Angon Faculty of Agriculture, Bangladesh Agricultural University, Mymensingh, Bangladesh Sumaiya H. Omy Plant Breeding Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh Zahirul A. Talukder Plant Breeding Division, Bangladesh Agricultural Research Institute, Gazipur, Bangladesh DOI: https://doi.org/10.14456/apst.2023.49 Keywords: Acinetobacter ABC47680 Hypothetical protein Genome ParE_toxin […]

Vol. 28 No. 03 (2023): MAY-JUNE

A mutation in acceptor splice site of GA3ox homolog Cla015407 gene confers a dwarf phenotype in watermelon (Citrullus lanatus L.)

Namfon Chomkaeo Program in Genetics, Faculty of Science, Maejo University, Chiang Mai, Thailand Kanokwan Janphen Program in Genetics, Faculty of Science, Maejo University, Chiang Mai, Thailand Marilyn Hinlo Research and Development, East-West Seed Ltd, Bulacan, Philippines Nate Petchara Research and Development, East-West Seed Ltd, Suphan Buri, Thailand Darush Struss Research and Development, East-West Seed Ltd, […]

Vol. 28 No. 03 (2023): MAY-JUNE

Combined leaf extracts of Vernonia amygdalina and Occimum gratissimum ameliorates cadmium-induced nephro-toxicity in Wistar rats

Orororo O. Clement Department of Chemical Sciences, Faculty of Science, Edwin Clark University, Kiagbodo, Delta State, Nigeria Efekemo Oghenetekevwe Department of Chemical Sciences, Faculty of Science, Edwin Clark University, Kiagbodo, Delta State, Nigeria Osain B. Promise Department of Chemical Sciences, Faculty of Science, Edwin Clark University, Kiagbodo, Delta State, Nigeria Dodo O. Esther Department of […]

Vol. 28 No. 03 (2023): MAY-JUNE

R&D intensity and business performance: The case of Thailand’s maize seed industry

Orachos Napasintuwong Department of Agricultural and Resource Economics, Faculty of Economics, Kasetsart University, Bangkok, Thailand DOI: https://doi.org/10.14456/apst.2023.46 Keywords: Seed, Breeding R&D Technological capability Business performance Maize Plant variety protection Abstract The seed industry has been accorded a high priority in Thailand’s policies toward the fourth industrial revolution. The competitiveness of the seed sector can facilitate […]