2023 – Page 11 – Asia-Pacific Journal of Science and Technology (APST)

Vol. 28 No. 06 (2023): NOV-DEC

Thermal transmission reduction through bio-based insulated walls, weather-based data analysed for passive cooling in tropics

Waraporn Rattanongphisat Department of Physics, Faculty of Science, Naresuan University, Phitsanulok, Thailand Sasiwan Chomdang Department of Physics, Faculty of Science, Naresuan University, Phitsanulok, Thailand Suttipong Dondee Department of Physics, Faculty of Science, Naresuan University, Phitsanulok, Thailand DOI: https://doi.org/10.14456/apst.2023.100 Keywords: Natural fiber Temperature Comfort Hot and humid Abstract An experimental and analytical investigation on the potential […]

Vol. 28 No. 06 (2023): NOV-DEC

Characterisation and molecular interaction studies of beryllium oxide- silicone oil nanofluids through ultrasonic measurements at various temperature

Merita T. Britto Department of Physics, Ananda College, Tamil Nadu, India Catherine J. Grace Department of Mathematics, Karunya Institute of Technology and Sciences, Tamil Nadu, India Prakash Packiaraj Department of Physics, LRG Government Arts College, Tamil Nadu, India Kanchan Kumar Department of Physics and Nanotechnology, FMED laboratory, SRM Institute of Science and Technology, Tamil Nadu, […]

Vol. 28 No. 06 (2023): NOV-DEC

Simplified isolation method of mangiferin from Mangifera indica L. leaves and evaluation of tyrosinase inhibitory activity

M. Rifqi Efendi Departement of Pharmacy, Faculty of Medicine and Health Sciences, Universitas Jambi, Jambi City, Jambi, Indonesia Amri Bakhtiar Departement of Pharmacy, Universitas Baiturrahmah, West Sumatera, Indonesia Mesa S. Rusdi Departement of Pharmacy, Universitas Dharma Andalas, West Sumatera, Indonesia Deddi P. Putra Departement of Pharmacy, Faculty of Pharmacy, Universitas Andalas, West Sumatera, Indonesia DOI: […]

Vol. 28 No. 06 (2023): NOV-DEC

Premixed charge combustion in a diesel engine fuelled with biodiesel, n-butanol, and ignition improver blends

Gangeya Srinivasu Goteti School of Mechanical Engineering, VIT University, Chennai, India Tamilselvan Palsami School of Mechanical Engineering, VIT University, Chennai, India DOI: https://doi.org/10.14456/apst.2023.97 Keywords: Prosopis juliflora methyl ester Ignition improver Cetane number Diesel engine Premixed charge compression ignition Abstract The research aims to achieve optimised combustion by utilising the benefits of both spark ignition engine […]

Vol. 28 No. 06 (2023): NOV-DEC

Statistical optimization of cost-effective lignocellulosic medium for maximum xylanase activity by Massilia timonae B2YR

Rajani Thanekar Department of Microbiology, Rajaram College, Kolhapur, India Savita Mali Department of Microbiology, Rajaram College, Kolhapur, India Prajakta Kamble Department of Microbiology, Shivaji University, Kolhapur, India Vikramsinh More Department of Microbiology, Shivaji University, Kolhapur, India Kailas D. Sonawane Department of Microbiology, Shivaji University, Kolhapur, India Yasmin C. Attar Department of Microbiology, Rajaram College, Kolhapur, […]

Vol. 28 No. 06 (2023): NOV-DEC

Modelling and analysis of new organic thin film temperature sensor

Arun P. S. Rathod Department of Electronics and Communication, Graphic Era Hill University, Dehradun, India Abhilasha Mishra Department of Chemistry, Graphic Era (Deemed to be University), Dehradun, India DOI: https://doi.org/10.14456/apst.2023.95 Keywords: Organic Organic thin film transistor Organic thin film temperature sensor Smart devices Temperature sensor Wearable electronics Abstract Integration of sensor modules in contemporary smart […]

Vol. 28 No. 06 (2023): NOV-DEC

Effective field capacity prediction model for management of UAV spraying

Khemmapat Pucharoensilp Department of Agricultural Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, Thailand Khwantri Saengprachatanaru Department of Agricultural Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, Thailand Jetsada Posom Department of Agricultural Engineering, Faculty of Engineering, Khon Kaen University, Khon Kaen, Thailand Seree Wongpichet Department of Agricultural Engineering, Faculty of Engineering, Khon […]

Vol. 28 No. 06 (2023): NOV-DEC

Forecasting health insurance premium using machine learning approaches

Shawni Dutta Department of Computer Science and Multimedia, Lincoln University College, Selangor, Malaysia Payal Bose Department of Computer Science and Multimedia, Lincoln University College, Selangor, Malaysia Samir K. Bandyopadhyay Department of Computer Science and Multimedia, Lincoln University College, Selangor, Malaysia DOI: https://doi.org/10.14456/apst.2023.96 Keywords: Ensemble approach Feature importance Health insurance price Machine learning Random forest Regression […]

Vol. 28 No. 06 (2023): NOV-DEC

Analysis of safety stock determination methodology-quantity vs. time buffers

Narasimha P. Bhat Motilal Nehru National Institute of Technology Allahabad, Uttar Pradesh, India DOI: https://doi.org/10.14456/apst.2023.92 Keywords: High volume Low volume Safety stock Seasonality Unit of measurement Variance in customer Variance in lead time Abstract In supply chain management, the safety stock approach is a viable solution to counter supply and demand uncertainty. Safety stock ensures […]

Vol. 28 No. 06 (2023): NOV-DEC

Ergonomic risk factor-related musculoskeletal disorders among wood furniture workers in Binh Duong Province, Vietnam

Thien T. Tran Faculty of Public Health, Thammasat University, Rangsit Campus, Pathum Thani, Thailand Sasitorn Taptagaporn Faculty of Public Health, Thammasat University, Rangsit Campus, Pathum Thani, Thailand Chinh V. Dang Institute of Public Health Ho Chi Minh City, Ministry of Health, Ho Chi Minh City, Vietnam Teeraphun Kaewdok Faculty of Public Health, Thammasat University, Rangsit […]