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Bangkok, Thailand

Kasetsart University is a top-ranked public university in Thailand. It is ranked at number 401-500 in the world by QS. It was the first agricultural university and the third oldest university in Thailand. Kaset University was established on February 2, 1943, with the primary aims in promoting subjects related to agricultural science. To date, Kasetsart University has revised its curricula and expanded the subject areas to cover science, arts, social science, humanities, education, engineering, and architecture. Recently, the university made an attempt to include medicine and health science. Kasetsart University has seven campuses throughout Thailand, where its main and flagship campus is at Bang Khen, Bangkok. With 58,000 students enrolled it is the largest university in Thailand. Wikipedia.


The findings of this study support the argument made by many learner autonomy scholars that the road to autonomy is a process conditioned by each individual's zone of proximal development (ZPD) and that there are different degrees of autonomy. The description of behavioural patterns found from the experiment supports this notion. The findings show that once the direction was initiated by the teacher with the help of an external structure like a course management system (CMS), the learners could organise the resources in the system autonomously, took on new learning roles that were different from those in a traditional face-to-face classroom, and eventually they could develop autonomous perceptions and behaviours as an outcome of their engagement in this blended learning environment. The data from four research tools: i.e.; questionnaire, student learning journals, interviews and classroom observation are triangulated and amalgamated to increase the validity and reliability of the findings. © 2012 Elsevier Ltd. All rights reserved. Source


Hasin P.,Kasetsart University
Journal of Physical Chemistry C | Year: 2014

A simple and efficient synthesis of Co2C using graphene oxide (GO) as a carbon source has been established. The procedure consists of two steps: (1) formation of a GO/Co3O4 nanocomposite via the ammonia-evaporation-induced method and (2) conversion of Co3O 4 to Co2C under a H2/N2 mixture at a low temperature (200 C). Transmission electron microscopy (TEM) analysis showed that Co2C has a crystallite size of around 5 nm and a mesoporous structure with a pore size of ca. 3-5 nm. The amphiphilic behavior of GO contributes to the high porosity, large specific surface area, and narrow pore size distribution of the Co2C. Tungsten carbide has also been successfully obtained using GO as a carbon source at a much lower temperature than that of the traditional carbothermal synthesis. Therefore, this method could be extended to the production of other important carbides with desired mesoporous features at low temperatures. © 2014 American Chemical Society. Source


The entropy generation of a fully developed laminar flow in a hexagonal duct is investigated in this study. A constant heat flux condition was applied in this analysis. Two fluids, water and engine oil, were used to study the effect of fluid properties on the entropy generation. The fluid properties were evaluated using average temperature between inlet and outlet duct sections. The aspect ratio of the hexagonal duct was varied to show its effect on the entropy generation. Attention was also given to the supplied heat flux affecting the entropy generation. Finally, the entropy generation calculated from the hexagonal duct was compared with that from rectangular and circular ducts having the same hydraulic diameter and cross-sectional area. © 2010 Elsevier Ltd. Source


Feldman K.S.,Pennsylvania State University | Ngernmeesri P.,Kasetsart University
Organic Letters | Year: 2011

The bis indole sponge alkaloid dragmacidin E was synthesized in racemic form over 25 steps starting from 7-benzhydroxyindole. Key steps include (a) a Witkop cyclization to facilitate construction of the indole-spanning seven-membered ring and (b) a cyclodehydrative pyrazinone synthesis that unites the two indole-containing sectors. © 2011 American Chemical Society. Source


Klinkesorn U.,Kasetsart University
Food Reviews International | Year: 2013

This article reviews the basic principles of emulsion formation and stabilization through the electrosteric function of chitosan. Chitosan, which is a polycationic biopolymer, may act as an emulsifier and emulsion stabilizer through adsorption of the protective layer at oil-water interfaces, viscosity enhancement, and interaction with surface-active agents (e.g., surfactants, proteins, and polysaccharides). The interaction of chitosan at droplet interfaces can be associated with flocculation or electrosteric stabilization, depending on the nature and concentration of the chitosan, emulsifier characteristics, and the pH and ionic strength of solution. © 2013 Copyright Taylor and Francis Group, LLC. Source

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