Songklanakarin Journal of Science and Technology (SJST)

Volume 43 No 2 March - April 2021

pp. 318 - 602

Macrobenthic invertebrate community structure and heavy metals concentrations in the crab, Uca tangeri in a Tidal Creek, Niger delta, Nigeria

Luke Ibanga, Joseph Ahamefula Nkwoji, Amii Usese, Ikenna Onyema, and Obinna Chukwu

DOI: 10.14456/sjst-psu.2021.41

pp. 318 - 325 PDF PDF w/Links

Effect of lighting on amplitude of accommodation among adolescence smartphone users

Sasitorn Taptagaporn, Santhanee Khruakhorn, Navapol Kanchanaranya, Suntaree Thitiwichienlert, and Wasana Lavin

DOI: 10.14456/sjst-psu.2021.42

pp. 326 - 330 PDF PDF w/Links

Super edge-magic labeling for k-uniform, complete k-uniform and complete k-uniform k-partite hypergraphs

Ratinan Boonklurb, Authawich Narissayaporn, and Sirirat Singhun

DOI: 10.14456/sjst-psu.2021.43

pp. 331 - 334 PDF PDF w/Links

The electronic medical record exchange using a Blockchain technology

Juthamas Nuansanong and Supaporn Kiattisin

DOI: 10.14456/sjst-psu.2021.44

pp. 335 - 343 PDF PDF w/Links

Effect of product containing spores of Bacillus cereus strain RS87 on growth and yield of Thai rice cultivar RD49 under water stress conditions

Kanchalee Jetiyanon, Jakgapan Wangmongkon, Pinyupa Plianbangchang, Wunwisa Punsak, and Sakchai Wittaya-areekul

DOI: 10.14456/sjst-psu.2021.45

pp. 344 - 351 PDF PDF w/Links

Halal food analysis using GC-MS combined with principal component analysis (PCA) based on saturated and unsaturated fatty acid composition

Mustofa Ahda, Any Guntarti, Aprilia Kusbandari, and Yulizar Melianto

DOI: 10.14456/sjst-psu.2021.46

pp. 352 - 355 PDF PDF w/Links

Bound conditions on n- polynomials whose coefficients, roots and critical points are integers

Aniruth Phon-On and Areeyuth Sama-Ae

DOI: 10.14456/sjst-psu.2021.47

pp. 356 - 363 PDF PDF w/Links

Defatted coconut residue as alternative feedstuff for growing and finishing pigs

Navapat Pipatpaitoon and Nuanchan Paraksa

DOI: 10.14456/sjst-psu.2021.48

pp. 364 - 371 PDF PDF w/Links

A new non-probabilistic divergence measure of fuzzy matrix and its applications

Omdutt Sharma, Pratiksha Tiwari, and Priti Gupta

DOI: 10.14456/sjst-psu.2021.49

pp. 372 - 383 PDF PDF w/Links

Ovarian histology of toadfish Batrachomoeus trispinosus from Pranburi River estuary, Thailand

Sinlapachai Senarat, Jes Kettratad, Piyakorn Boonyoung, Wannee Jiraungkoorskul, Gen Kaneko, Ezra Mongkolchaichana, and Theerakamol Pengsakul

DOI: 10.14456/sjst-psu.2021.50

pp. 384 - 391 PDF PDF w/Links

Constructing virtual mannequins with different postures for purposes of 3D design of the clothes

Olga Yezhova and Kalina Pashkevich

DOI: 10.14456/sjst-psu.2021.51

pp. 392 - 397 PDF PDF w/Links

Phenolics, anthocyanins and antioxidant activities in waste products from different parts of purple waxy corn (Zea mays L.)

Chutikarn Kapcum, Suthipong Uriyapongson, and Juntanee Uriyapongson

DOI: 10.14456/sjst-psu.2021.52

pp. 398 - 405 PDF PDF w/Links

Diversity of arthropods and decreased seed weight for various cocoa plantation systems

Flora Pasaru, Alam Anshary, Mahfudz, Shahabuddin Saleh, Mohammad Yunus, Burhanuddin Nasir, and Effendy

DOI: 10.14456/sjst-psu.2021.54

pp. 414 - 421 PDF PDF w/Links

Non-stationary exchange rate prediction using soft computing techniques

Putriaji Hendikawati, Subanar, Abdurakhman, and Tarno

DOI: 10.14456/sjst-psu.2021.55

pp. 422 - 430 PDF PDF w/Links

Larval mosquito (Diptera: Culicidae) abundance in relation with environmental conditions of pitcher plants Nepenthes mirabilis var. mirabilis in Songkhla Province, Thailand

Vutthy Vong, Arshad Ali, Sarayut Onsanit, Suraphon Thitithanakul, Nawee Noon-Anant, and Theerakamol Pengsakul

DOI: 10.14456/sjst-psu.2021.56

pp. 431 - 438 PDF PDF w/Links

Effects of self-posture correction exercise in forward head posture of smartphone users

Yaowaluk Jaroenrungsup, Siriluck Kanchanomai, and Santhanee Khruakhorn

DOI: 10.14456/sjst-psu.2021.57

pp. 439 - 447 PDF PDF w/Links

Dietary protein requirements for growth performance and effects on carcass composition of young Siamese spiny eel, Macrognathus siamensis (Günther, 1861)

Theerachai Pongjanyakul, Jongkon Boonngarm, Praneet Ngamsnae, Kanjana Payooha, and Jarungjit Grudpan

DOI: 10.14456/sjst-psu.2021.59

pp. 453 - 459 PDF PDF w/Links

Pigment stability in Chaba maple (Hibiscus acetosella Welw. Ex Hiern.) petals extract as natural food and cosmetic colorants

Kanyaphat Kangthin, Rapatsorn Naratjarunsap, Pemika Puttaruk, Nakuntwalai Wisidsri, Khemjira Jamkom, and Suradwadee Thungmungmee

DOI: 10.14456/sjst-psu.2021.60

pp. 460 - 464 PDF PDF w/Links

Analytical formulas for pricing discretely-sampled skewness and kurtosis swaps based on Schwartz’s one-factor model

Kittisak Chumpong, Khamron Mekchay, and Nopporn Thamrongrat

DOI: 10.14456/sjst-psu.2021.61

pp. 465 - 470 PDF PDF w/Links

Effects of load and velocity on vibrations of a solid tire: Experimental study

Juthanee Phromjan and Chakrit Suvanjumrat

DOI: 10.14456/sjst-psu.2021.62

pp. 471 - 477 PDF PDF w/Links

A study and tests for the age range at risk to Locomotive Syndrome Disease by standing–up test: A case study of sample group in Bangkok Metropolitan Region

Prachuab Klomjit, Chanpen Anurattananon, Alongkorn Chatmuangpak, and Chalalai Wongwian

DOI: 10.14456/sjst-psu.2021.63

pp. 478 - 484 PDF PDF w/Links

Edge beads removal in a photolithography process through a polymer mold

Stefania Torino, Shomnath Bhowmick, Mario Iodice, Maurizio Casalino, Vitaliano Tufano, Danilo Selvaggi, Giuseppe Coppola, and Mariano Gioffrè

DOI: 10.14456/sjst-psu.2021.64

pp. 485 - 491 PDF PDF w/Links

Total domination game on ladder graphs

Karnchana Charoensitthichai and Chalermpong Worawannotai

DOI: 10.14456/sjst-psu.2021.65

pp. 492 - 495 PDF PDF w/Links

Observation of gut content and morpho-histology of the digestive system in Pisodonophis boro (Hamilton, 1822) from Pranburi River Estuary, Thailand

Phakorn Na Lampang, Amphornphan Palasai, Sinlapachai Senarat, Wannee Jiraungkoorskul, and Jes Kettratad

DOI: 10.14456/sjst-psu.2021.66

pp. 496 - 504 PDF PDF w/Links

Effects of sodium bentonite clay as a feed additive on the growth and haematology parameters of hybrid grouper, Epinephelus fuscoguttatus x Epinephelus lanceolatus

Sazmal E. Arshad, Fatin Najiha M. Jeffrey, Zarina Amin, and Rossita Shapawi

DOI: 10.14456/sjst-psu.2021.67

pp. 505 - 511 PDF PDF w/Links

Comparison of scapulothoracic muscles onset and deactivation time between individuals with and without inferior angle type of scapular dyskinesis: A cross-sectional study

Haruthai Petviset, Prasert Sakulsriprasert, Mantana Vongsirinavarat, and Peemongkon Wattananon

DOI: 10.14456/sjst-psu.2021.68

pp. 512 - 519 PDF PDF w/Links

Isolation of Pisolithus sp., (Sclerodermataceae) - First recording in western Iraq

Mustafa Nadhim Owaid

DOI: 10.14456/sjst-psu.2021.69

pp. 520 - 523 PDF PDF w/Links

A generalization of UP-algebras: Weak UP-algebras

Aiyared Iampan and Daniel Abraham Romano

DOI: 10.14456/sjst-psu.2021.70

pp. 524 - 530 PDF PDF w/Links

Phenolic contents and antioxidant activities of leaf extracts from Elaeocarpus submonoceras Miq.

Franxisca Mariani, Rachaneekorn Tammachote, Irawan Wijaya Kusuma, Warinthorn Chavasiri, Hunsa Punnapayak, and Sehanat Prasongsuk

DOI: 10.14456/sjst-psu.2021.71

pp. 531 - 536 PDF PDF w/Links

Isolation and production of prodigiosin and cycloprodigiosin from marine sponges-associated bacteria of the Andaman coast of Thailand

Tharanan Kongkapan, Naraid Suanyuk, and Suphada Kiriratnikom

DOI: 10.14456/sjst-psu.2021.72

pp. 537 - 544 PDF PDF w/Links

Comparison of physicochemical and sensory evaluations of polymeric ONS utilizing tapioca maltodextrin DE7 or DE19 as carbohydrate source

Junaida Astina, Chaleeda Borompichaichartkul, and Suwimol Sapwarobol

DOI: 10.14456/sjst-psu.2021.74

pp. 552 - 556 PDF PDF w/Links
The use of walnut flour in the recipe of "Fitness" buckwheat bread

Ksenia Kameneva, Ksenia Shcheveva, and Natalya Naumova

DOI: 10.14456/sjst-psu.2021.75

pp. 557 - 563 PDF PDF w/Links

Growth patterns and relative condition factor of Macrobrachium species from Sungai Batang River, Indonesia

Ahmadi, Stephen Rossiter, and Pahmi Ansyari

DOI: 10.14456/sjst-psu.2021.76

pp. 564 - 574 PDF PDF w/Links

Cosmos caudatus as a dietary supplement for Bagrid Catfish, Mystus nemurus

Nor Maisarah Rameli, Md. Abdul Kader, Najiah Musa, Sharifah Rahmah, Sandra Zainathan, and Ong Chee Hong

DOI: 10.14456/sjst-psu.2021.77

pp. 575 - 581 PDF PDF w/Links

Green synthesis of cerium oxide nanoparticles using aloevera leaf extract and its optical properties

S. Sebastiammal, S. Sonia, J. Henry, and A. Lesly Fathima Agus Rusdiana

DOI: 10.14456/sjst-psu.2021.78

pp. 582 - 587 PDF PDF w/Links

Optimization of quantum dots for solar cell applications

Lekshmi Gangadhar and P. K Praseetha

DOI: 10.14456/sjst-psu.2021.79

pp. 588 - 595 PDF PDF w/Links

Non-linear modelling of construction workers’ behaviors for accident prediction

Nart Sooksil and Vacharapoom Benjaoran

DOI: 10.14456/sjst-psu.2021.80

pp. 596 - 602 PDF PDF w/Links