KKU Research Journal
ISSN 0859-3957

Science and Technology
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KKU Research Journal is an open access and peer-reviewed journal published quarterly by Khon Kaen University. We welcome submission from all fields of science and technology. The journal accepts English manuscripts of original research, short communication, and review articles, which have never been published elsewhere. Our purpose is to promote and disseminate knowledge, academic work and research in science and technology. Research areas covered by the journal include (but not limited to):

- Pure science
- Mathematics
- Agricultural science
- Engineering science
- Technology
- Health science

Volume 20 Issue 1 January - March 2015
Science and Technology
Supervised Self Organizing Maps for Exploratory Data Analysis of Running Waters Based on Physicochemical Parameters: a Case Study in Chiang Mai, Thailand

     Sila Kittiwachana and Kate Grudpan
Microwave Drying of Moringa oleifera (Lam.) Leaves: Drying Characteristics and Quality Aspects
    Yuparat Potisate and Singhanat Phoungchandang
Characteristics of Hang Rice and its Cooking 
     Soraya Kerdpiboon and Tongchai Puttongsiri
Comparison of Solid Waste Composition between Regular and Weekend Programs at Nakhon Ratchasima Rajabhat University
     Haritsalak Viriya
Effect of Friction Welding on Tensile Strength of Polymethyl Methacrylate (PMMA) by Computerized Numerical Control Machine
     Suppachai Chainarong, Chaiyoot Meengam and Kulyuth Boonseng
Analysis of Capsaicin and Dihydrocapsaicin from Sweet-to-Very Hot Chilli Peppers Using an Ultrasound-Assisted Extraction Followed by RP-HPLC-PDA
     Supachinee Keharom, Suchila Techawongstien, Ratana Mahachai and Saksit Chanthai
Determination of Lipophilic and Hydrophilic Antioxidant Activities in the Crude Extracts of Ten Varieties of Tomatoes
    Phitchan Sricharoen, Suchila Techawongstien and Saksit Chanthai
Optimization of Anthocyanin and Effects of Acidulants on Phytochemicals and Antioxidant Activities in Purple Waxy Corn Cookies
     Hathaigan Kokkaew, Nisakorn Srithanyarat and Theparit Pitirit

Health Science
The Participation in Health Promotion of Health Personnel in Community Hospitals Roi Et province, Thailand

     Rungnapaporn Prachanai and Prachak Bouphan
Immediate Effects of Low-Frequency Repetitive Transcranial Magnetic Stimulation to Augment Task-Specifi Training in Sub-acute Stroke
     Jenjira Thanakamchokchai, Jarugool Tretriluxana Chutima Jalayondeja and Narawut Pakaprot
Division of Research Administration.
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E-mail: kkurj@kku.ac.th