Songklanakarin Journal of Science and Technology (SJST)

Volume 42 No 5 September - October 2020

pp. 948 - 1163

Laboratory investigations of sand-smooth steel interface under monotonic and cyclic loadings

Chaisit Pengjam, Suriyavut Pra-ai, Kwansirinapa Thanawong, and Palinee Sumitsawan

DOI: 10.14456/sjst-psu.2020.122

pp. 948 - 956 PDF PDF w/Links

Climate change impacts on air quality-related meteorological conditions in upper northern Thailand

Chakrit Chotamonsak and Duangnapha Lapyai

DOI: 10.14456/sjst-psu.2020.123

pp. 957 - 964 PDF PDF w/Links

First record of Gynacantha limbalis Karsch, 1892 from Thailand (Odonata: Anisoptera: Aeshnidae)

Andrew J. Pierce and Noppadon Makbun

DOI: 10.14456/sjst-psu.2020.124

pp. 965 - 966 PDF PDF w/Links

Concurrent validity of a developed accelerometry-based device for postural sway assessment

Plaiwan Suttanon, Benjarath Kuhaphensaeng, Tak Choawanachan, Thatchaya Prathum, Praewpun Saelee, and Sudarat Apibantaweesakul

DOI: 10.14456/sjst-psu.2020.127

pp. 984 - 990 PDF PDF w/Links

Comparison of using DEE oil with supercharging syngas and DEE oil on dual fuel in a turbocharging diesel engine

Ekkachai Sutheerasak and Wirogana Ruengphrathuengsuka

DOI: 10.14456/sjst-psu.2020.128

pp. 991 - 999 PDF PDF w/Links

Studies on the effect of individual plant growth regulators on in vitro culture of Taraxacum officinale

Sin Yee Chong, Christine Stanly, and Kumar Sudesh

DOI: 10.14456/sjst-psu.2020.129

pp. 1000 - 1006 PDF PDF w/Links

Effect of extraction methods on biological activities of Thai rice bran extracts

Jeerakit Kerdsiri, Wudtichai Wisuitiprot, Panatpong Boonnoun, Ruttanaporn Chantakul, Siwames Netsopa, Nitra Nuengchamnong, and Neti Waranuch

DOI: 10.14456/sjst-psu.2020.130

pp. 1007 - 1015 PDF PDF w/Links

Optimizing the extraction technology of antioxidant substances from Daldinia concentrica by orthogonal experiments

Mo Gui-you, Wu Jiao-qi, Ren Qing-yuan, He Xin-sheng, and Huang Yi

DOI: 10.14456/sjst-psu.2020.131

pp. 1016 - 1020 PDF PDF w/Links

Allele frequency of A385T in Fucosyltransferase 2 gene (FUT2) among Southern Thai population

Darinnat Buathong, Thanet Prajantasen, and Theerakamol Pengsakul Rayan

DOI: 10.14456/sjst-psu.2020.132

pp. 1021 - 1026 PDF PDF w/Links

Fortification of iron in brownies with Sinlek brown rice flour

Tita Foophow, Weerachon Phoohinkong, Pipat Lertkowit, and Natthakarn Ketkoom

DOI: 10.14456/sjst-psu.2020.133

pp. 1027 - 1033 PDF PDF w/Links

Osmotic stress and specific ion toxicity effects on seed germination and early seedling growth of eggplant (Solanum melongena L. cv. MTe 2) incurred by various salts

Fateen Khaliessa Mohd Arifin, Rosimah Nulit, Mohd Hafiz Ibrahim, and Leni Marlina Idris

DOI: 10.14456/sjst-psu.2020.135

pp. 1045 - 1052 PDF PDF w/Links

Role of GABA and its receptors in anti-adipogenesis in cultured adipocytes

Kanittaporn Trisat, Saowalak Yomlar, and Nanteetip Limpeanchob

DOI: 10.14456/sjst-psu.2020.136

pp. 1053 - 1058 PDF PDF w/Links

Optimality quality control thresholds for effective management of multiple sclerosis

Kalpana Polisetty and Tirupathi Rao Padi

DOI: 10.14456/sjst-psu.2020.137

pp. 1059 - 1064 PDF PDF w/Links

Population analysis of Epipactis flava Seidenf. in Thailand using SRAP and RAPD markers

Waroon Suwankitti, Sirinat Wankaew, Boonsita La-ongdet, Surin Peyachoknagul, Somjit Homchan, Anupan Kongbangkerd, and Maliwan Nakkuntod

DOI: 10.14456/sjst-psu.2020.138

pp. 1065 - 1070 PDF PDF w/Links

Modeling of domestic air passenger demand in The Papua Islands

Tri Sefrus, Sigit Priyanto, Dewanti, and Muhammad Zudhy Irawan

DOI: 10.14456/sjst-psu.2020.139

pp. 1071 - 1076 PDF PDF w/Links

Formulae of the Frobenius number in relatively prime three Lucas numbers

Ratchanok Bokaew, Boonrod Yuttanan, and Sukrawan Mavecha

DOI: 10.14456/sjst-psu.2020.140

pp. 1077 - 1083 PDF PDF w/Links

A green and effective method using oils to remove chlorophyll from Chromolaena odorata (L.) R.M. King & H. Rob

Suppalak Phaisan, Gorawit Yusakul, Attapon Sakdamas, Nattapon Taluengjit, Seiichi Sakamoto, and Waraporn Putalun

DOI: 10.14456/sjst-psu.2020.141

pp. 1084 - 1090 PDF PDF w/Links

Bioactivities of selected herbs in relation to the body elements in Traditional Thai Medicine

Boontarika Yudee, Wudtichai Wisuitiprot, Siwames Netsopa, and Neti Waranuch

DOI: 10.14456/sjst-psu.2020.142

pp. 1091 - 1097 PDF PDF w/Links

Seismic anisotropy of the upper mantle beneath Thailand: Tectonic setting constrained by shear-wave splitting analysis

Wisawet Wongwai, Passakorn Pananont, Eric Sandvol, and Kevin Furlong

DOI: 10.14456/sjst-psu.2020.143

pp. 1098 - 1105 PDF PDF w/Links

Effect of an essential oil blend of citronella, lemongrass, and patchouli on acne-causing bacteria

Supawan Bunrathep, Piyanuch Thongphasuk, Sukanya Settharaksa, and Narisa Kamkaen

DOI: 10.14456/sjst-psu.2020.144

pp. 1106 - 1112 PDF PDF w/Links

Flexible Lomax distribution

Muhammad Ijaz, Muhammad Asim, and Alamgir Khalil

DOI: 10.14456/sjst-psu.2020.147

pp. 1125 - 1134 PDF PDF w/Links

The synthesis of imprinted polymer sorbent for the removal of mercury ions

Djabal Nur Basir, Muhammad Ali Zulfikar, and Muhammad Bachri Amran

DOI: 10.14456/sjst-psu.2020.148

pp. 1135 - 1141 PDF PDF w/Links

Penetrate field behavior in superconducting shield by modified Beer-Lambert model: Applied to cylindrical MgB2 superconductors

Arpapong Changjan, Pongkaew Udomsamuthirun, and Chatupol Kongsorn

DOI: 10.14456/sjst-psu.2020.149

pp. 1142 - 1146 PDF PDF w/Links

Comparative activities of Titania, Ni-Titania and Co-Titania in photocatalytic degradation of picric acid dye

Ezekiel Oluyemi Odebunmi and Omolola Titilayo Odeyemi

DOI: 10.14456/sjst-psu.2020.150

pp. 1147 - 1155 PDF PDF w/Links