Chon Buri, Thailand

Burapha University

buu.ac.th
Chon Buri, Thailand

Burapha University is one of Thailand's major public universities located in the coastal town of Bangsaen, Chonburi Province, established on 8 July 1955 originated from Bangsaen Educational College which was the first regional tertiary educational institute. The university offers degrees in more than 50 programs of study, including 75 master's programs, three Ed.D. programs, and 22 PhD programs.Burapha University currently has three campus.:Burapha University, Chonburi Campus, Mueang District, Chonburi Province established in 1955.Burapha University, Chanthaburi Campus, Ta-Mai District, Chanthaburi Province established in 1996.Burapha University, Sakaeo Campus, Wattana Nakorn District, Sa Kaeo Province established in 1997.The University colors are gray and gold. Gray means progress of intellectual knowledge, while gold means morality. The colors represent University's commitment to the intellectual knowledge and morality. Wikipedia.

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Wacharasin C.,Burapha University
Journal of Family Nursing | Year: 2010

The purpose of this clinical research project was to examine the usefulness of a family nursing intervention program offered to families experiencing illness suffering related to HIV/AIDS. The interventions were based on the Family Caregiving Model and the Illness Beliefs Model. Sixteen Thai families with one or more family members living with HIV/AIDS were offered three to four family clinical sessions by an advanced practice family nurse. The audiotaped family clinical sessions and field notes were analyzed using thematic analysis. The outcomes reported by families included a competence to manage illness care of family members experiencing HIV/AIDS, new meaning and purpose, improved family interaction, embraced facilitating beliefs and changed constraining beliefs, and a recognition of the family's strengths. © 2010 The Author(s).


Bunnag T.,Burapha University
International Journal of Energy Economics and Policy | Year: 2015

This paper examined the petroleum futures volatility comovements and spillovers for crude oil, gasoline, heat oil and natural gas. The results of volatility analysis were used to calculate the optimal two-petroleum portfolio weights and hedging ratios. The data used in this study was the daily data from 2009 to 2014. The three Multivariate GARCH models, namely the VAR (1)-diagonal VECH, the VAR (1)-diagonal BEKK and the VAR (1)-CCC, were employed. The empirical results overall showed that the estimates of the multivariate GARCH parameters were statistically significant in almost all cases except in the case of RGASOLINE with RNG. This indicates that the short run persistence of shocks on the dynamic conditional correlations was greatest for RCRUDE with RHEATOIL, while the largest long run persistence of shocks to the conditional correlations for RCRUDE with RGASOLINE. Finally, the results from these optimal portfolio weights base on the VAR (1)-diagonal VECH estimates suggested that investors should had more heat oil than crude oil and other petroleum in their portfolio to minimize risk without lowering the expected return. © 2015, Econjournals. All rights reserved.


Yimsiri S.,Burapha University | Soga K.,University of Cambridge
Geotechnique | Year: 2010

The effects of initial soil fabric on the shear behaviour of granular materials are investigated by employing distinct element method (DEM) numerical analysis. Soil specimens are represented by an assembly of non-uniform sized spherical particles. DEM specimens that have different initial contact normal distributions were prepared at two different densities (loose and dense) and then isotropically consolidated triaxial tests were simulated with the following conditions: (a) different drainage conditions (undrained/drained), (b) different modes of shearing (compression/extension), and (c) different directions of shearing (vertical/horizontal). The numerical analysis results are compared qualitatively with the observed experimental data and the effects of initial soil fabric on resulting soil behaviours are discussed. The discussions include the effects of specimen reconstitution methods, effects of large preshearing, and anisotropic characteristics in drained and undrained conditions. The effects of initial soil fabric on the quasi-steady state are also investigated. The numerical analysis results can systematically explain that the observed experimental behaviours of sand are due principally to the effects of initial soil fabric. The outcome provides insights into the observed phenomena in microscopic view.


Yimsiri S.,Burapha University | Soga K.,University of Cambridge
Geotechnique | Year: 2011

An experimental study of the cross-anisotropic elastic parameters was performed on two heavily overconsolidated clays: London Clay and Gault Clay. The study utilised a special triaxial testing apparatus that incorporates local strain measuring system and elastic wave velocity measurement system. Isotropically consolidated drained compression tests and shear wave velocity measurements were undertaken on both vertically and horizontally cut specimens. The experiments were performed under in situ isotropic stresses to study the inherent anisotropic characteristics of the clays in terms of the elastic stiffness. The deformation characteristics during triaxial compression were carefully investigated to obtain various elastic moduli and Poisson ratios.


Pattavanitch J.,Burapha University | Hinduja S.,University of Manchester
CIRP Annals - Manufacturing Technology | Year: 2012

Whilst the introduction of turbulators in cooling channels improves the cooling efficiency, it makes the machining of the channels with a shaped tube electrolytic machining (STEM) drill in a single pass difficult. This paper describes an algorithm to model the machining of a given turbulator shape by changing the feed rate at regular intervals. This algorithm is iterative and relies on predicting the workpiece shape using the boundary element method (BEM) at each stage of the analysis. The algorithm is verified by comparing the predicted and machined shapes of a turbulator; it is shown that the resulting accuracy is good. © 2012 CIRP.


Bunnag T.,Burapha University
Journal of Environmental Management and Tourism | Year: 2014

This paper examined volatility of international tourist arrival growth rates to Thailand using monthly time series data for the period 1979-2010. The variable of interest for policy maker was the tourist arrival growth rates at any given month as this figure was directly related to tourism revenue growth rates. In this study we considered the volatility of international tourist arrival growth rates to Thailand by employing GARCH and GJR model. GARCH and GJR model were widely used to manage the risk exposure of financial and tourism risk.Considering the number of tourist arrivals and growth rate of tourist arrivals, it was found that the majority of tourists were from Malaysia and Japan. This study could be used to compare with the USA and the UK for making policy because of the difference in tourism volatility.From this study the GARCH model generated relatively accurate tourism volatility forecasts except for the Japan and the USA volatility, and the GJR model generated relatively accurate tourism volatility forecasts except for the Malaysia and the UK volatility. © 2014 ASERS Publishing House. All rights reserved.


Bunnag T.,Burapha University
Journal of Environmental Management and Tourism | Year: 2014

The study of this article had done to Japanese tourists which were one of the majority international tourist arrivals to Thailand and used quarterly data since 1985 to 2012. The purpose was to study the relationship between 4 factors including number of Japanese arrivals to Thailand, GDP per capita of Japanese tourists, the own price and the cross price. It was multivariate analysis which investigated dependence and interaction among a set of variables in multi-values process. The tool use was VECM and Cointegration. We could conclude the relationship in the short run of various variables in Japanese tourists demand model. It produced relationship called the income elasticity of demand and the own price elasticity of demand which was equal to 3.281 and -0.505, respectively. In addition, percentage change of GDP per capita of Japanese tourists had a negative relationship with percentage change of the own price. Finally, percentage change of the cross price had a positive relationship with percentage change of the own price. In the long run, the number of Japanese tourist arrivals had a positive relationship with the GDP per capita of Japanese tourists and the own price also had a positive relationship with the cross price. © 2015 ASERS Publishing House. All Rights Reserved.


The liverwort Mastigolejeunea gradsteinii Sukkharak sp. nov. (Lejeuneaceae) is described from Malaysia. The new species is characterised by (1) rigid stem with epidermal cells as large as medullary cells, (2) apiculate leaf apex, (3) curved lobules without teeth, and (4) perianths with 7-8 keels. © British Bryological Society 2014.


Khounvilay K.,Burapha University | Sittikijyothin W.,Burapha University
Food Hydrocolloids | Year: 2012

Tamarind seed gum as seed polysaccharide from Tamarindus indica L. has been characterized for physicochemical and rheological properties in the present work. The structural analysis determined the presence of glucose:xylose:galactose in a molar ratio of 2.61:1.43:1.The Huggins and Kraemer plots obtained by capillary viscometry gave an intrinsic viscosity of 4.7dlg-1 and the viscosity average molecular mass was calculated to be 9.18×105gmol-1 using the Mark-Houwink relationship. The steady shear and dynamic viscoelasticity properties of tamarind seed gum in aqueous solutions at different concentrations were investigated at 20°C using a Haake Rheometer RS75. The tamarind seed gum solutions clearly exhibited shear-thinning flow behaviour at high shear rate and Newtonian region occurred at low shear rate range, however, at higher concentrations, pronounced shear thinning was observed. The value of zero shear viscosity (η0) was estimated by fitting Cross and Carreau models. The specific viscosity at zero shear rate (ηsp0) was plotted against the coil overlap parameter (C[η]) and the slopes of the lines in the dilute and semi-dilute regions were found to be ∼2.2 and 4.3, respectively. The value of the critical concentration (C*) was about 4.23/[η]. While, the mechanical spectra in the linear viscoelastic region of tamarind seed gum solutions showed the typical shape for macromolecular solutions. Plots of η versus γ and η* versus ω were superimposable and hence obey the Cox-Merz rule. © 2011 Elsevier Ltd.


Sukkharak P.,Burapha University
Phytotaxa | Year: 2015

A world-wide revision of the liverwort genus Thysananthus (Marchantiophyta: Lejeuneaceae) leads to the recognition of fifteen species in two sections: sect. Thysananthus (eleven species) and sect. Vittatae (four species). The genus is monophyletic with the inclusion of Dendrolejeunea fruticosa and Mastigolejeunea pancheri, and lacks synapomorpies. Morphological characters of Thysananthus are non-exclusive, and include Lejeunea-type branching, epidermal cells mostly as large as medullary cells, leaves convolute when dry, leaf cells elongate, trigones cordate, oil bodies segmented, underleaves often adnate to leaves, innovations lejeuneoid, and female involucres (incl. perianths) usually toothed. The two sections are characterized by the absence versus presence of a vitta. Species are defined by the possession of two or more independent, diagnostic morphological characters and monophyly. Based on phytochemical and molecular evidence T. gottschei, previously considered a synonym of T. convolutus, is resurrected as a distinct species. One variety, T. gottschei var. continuus, is newly described, and the new combinations T. convolutus var. laceratus and T. retusus subsp. sellingii are proposed. A key to the species of the genus Thysananthus is provided and each species is fully described and illustrated, with complete synonymy and detailed data on habitat and distribution. Thysananthus is pantropical in distribution, with four species ranging into warm temperate regions; the centre of diversity of the genus is in Southeast Asia. The species grow as epiphytes in moist lowland and montane forests, and include ecological specialists (shade epiphytes, sun epiphytes) as well as generalists. © 2015 Magnolia Press.

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