Published: 04/30/2023

Research Article

Improvement of APWM Switching Function with Positive Saw-tooth Waveform for AC Choppers

Chuthong Summatta, Somchat Sonasang

1-13

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A Study of New Gravitational Coefficient Function in Gravitational Search Algorithm for the One-dimensional Bin Packing Problem

Pattrawet Tharawetcharak, Suparatchai Vorarat, Aumnad Phdungsilp

14-24

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Microstructural Evolution and Deterioration of Cryogenically Treated S45C Steel After Pack Carburizing Process

Chaiyawat Peerataasuwan, Manote Rithinyo, Peeradaech Suwittayaruk, Thee Chowwanonthapunya

25-37

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Analysis of Correlation between the Land Surface Temperature, the Land-use and Land-Cover in Mueang District, Lampang Province

Warin Wongwan, Subpong Pongsawat

38-53

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Effect of Dilution Ratio on Wear Resistance in Multi-Layer Hard-Facing Weldments

Atthakorn Chanchana, Manus Srisawat, Rittichai Sangkatip, Jesada Kaewwichit

54-66

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The Relationship between Diversity of Aquatic Insects with Water Quality in Rama Public Park, Phra Nakhon Si Ayutthaya province

Watcharaporn Tantipanatip

67-77

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Invited Article

Vocational Education and National Security: A Case Study of the Bilateral System High Performance

อรรถการ ตฤษณารังสี

78-83

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