Published: 08/22/2023

Research Article

Post Weld Heat Treatment affecting Mechanical Properties of Hard-faced Weld Metal on Carbon Steel Surface

Paiboon Yaemphuan, Voraya Wattanajitsiri, Kittipong Kimapong

1-8

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Investigation of the thermal characteristics on a Self-aspirating Porous Medium Burner

Makorn Lakkana, Anek Bunkwang

1-8

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Investigation of the plant growth, photosynthetic pigments and antioxidant enzymes changes of aromatic rice treated with nano-TiO2

Sutee Chutipaijit, Thanuttkhul Mongkolaussavarat

27-39

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Relationship of Vegetation Indices and Leaf Area Index of Fraxinus griffithii C.B.Clarke. in The Royal Project Area, Chiang Mai Province

Patiya Pattanasak, Watinee Suanpaga, Nipon Tangtham, Weerakaset Suanpaga

41-58

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Relationship between the Students’ Behavior of Spending Free Time and Learning Outcome at Pathumwan Institute of Technology

Rapin Sunthornwat, Chatupol Kongsorn, Prisana Phetcharabunin

59-70

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Academic Article

The Role of Microorganisms in Agricultural Biotechnology

Khukrit Silalaiy

71-83

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