Research Articles – Page 38 – Asia-Pacific Journal of Science and Technology (APST)

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

Different fit factors for the N95 respirator during endotracheal intubation: Comparing video laryngoscopy and direct laryngoscopy

Khontorn Jankusol 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 Thapanawong Mitsungnern Department of Emergency Medicine, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand DOI: https://doi.org/10.14456/apst.2023.28 Keywords: N95 […]

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

A deep learning model for air leak detection from a pipe fitting using an accelerometer

Thanakrit Kraising Department of Computer Science and Information Technology, Faculty of Science, Naresuan University, Phitsanulok Thailand Winai Wongthai Department of Computer Science and Information Technology, Faculty of Science, Naresuan University, Phitsanulok Thailand Thanathorn Phoka Department of Computer Science and Information Technology, Faculty of Science, Naresuan University, Phitsanulok Thailand Aimaschana Niruntasukrat NECTEC, National Science and Technology […]

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

Characterization of glycoconjugates in giant freshwater prawn embryos by lectin histochemistry

Noppakun Pakdeenarong Department of Biology, Faculty of Science, Mahasarakham University, Maha Sarakham, Thailand DOI: https://doi.org/10.14456/apst.2023.26 Keywords: Lectins Primordial germ cells Giant freshwater prawn Cell differentiation Cell glycoconjugates Glycosylation Embryos Abstract Lectin binding sites in early and late-stage embryos were studied to discover markers of primordial germ cells as tools to study innate immunity and the […]

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

Safety effectiveness of an upgraded midblock pedestrian crossing on an urban arterial road

Pongsatorn Pechteep Department of Civil and Environmental Engineering, Faculty of Engineering, Prince of Songkla University, Songkhla, Thailand Paramet Luathep Department of Civil and Environmental Engineering, Faculty of Engineering, Prince of Songkla University, Songkhla, Thailand Nopadon Kronprasert Department of Civil Engineering, Faculty of Engineering, Chiang Mai University, Chiang Mai, Thailand Sittha Jaensirisak Department of Civil Engineering, […]

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

Repair welding of 6082-T6 aluminum alloy through MIG and TIG processes

Prapas Muangjunburee Department of Mining and Materials Engineering, Faculty of Engineering, Prince of Songkla University, Songkhla, Thailand Thongchai Khrueaphue Program in Production Technology, Faculty of Agricultural and Industrial Technology, Phetchabun Rajabhat University, Petchabun, Thailand DOI: https://doi.org/10.14456/apst.2023.24 Keywords: 6082-T6 aluminum alloy Repair welding Mechanical properties MIG welded joints TIG welded joint Abstract In this study, the […]

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

Purification and characterization of laccase from Ganoderma sp. 03

Rakrudee Sarnthima Protein and Enzyme Technology Research Unit and Center of Excellence for Innovation in Chemistry, Faculty of Science, Mahasarakham University, Mahasarakham, Thailand Watchara Kanchanarach Microbiology and Applied Microbiology Research Unit, Faculty of Science, Mahasarakham University, Kantarawichai District, Mahasarakham, Thailand Saranyu Khammuang Protein and Enzyme Technology Research Unit and Center of Excellence for Innovation in […]

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

Differential activity of vermicompost and plant growth regulators (GA3 and IAA) on yield and growth parameters of Zingiber officinale rosc

Vasavirama Karri Department of Biotechnology, GITAM School of Technology, Andhra Pradesh, India Nagasi A. Nidumolu Department of Biotechnology, GITAM School of Technology, Andhra Pradesh, India Nirmala Nalluri Department of Biotechnology, GITAM School of Technology, Andhra Pradesh, India DOI: https://doi.org/10.14456/apst.2023.22 Keywords: Vermi or worm compost Plant development hormones Indole Acetic Acid Gibberlic acid Organic farming Abstract […]

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

Rapid detection of Ralstonia syzygii subsp. syzygii on cloves vascular disease and identification potential alternate host

Nur Edy Department Agrotechnology, Faculty of Agriculture, Tadulako University, Palu, Indonesia Alam Anshary Department Agrotechnology, Faculty of Agriculture, Tadulako University, Palu, Indonesia Irwan Lakani Department Agrotechnology, Faculty of Agriculture, Tadulako University, Palu, Indonesia Fitria Balosi Department Agrotechnology, Faculty of Agriculture, Tadulako University, Palu, Indonesia Nurhidayanti Zahlin Department Agrotechnology, Faculty of Agriculture, Tadulako University, Palu, Indonesia […]

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. […]