งานวิจัย (Research): Recent submissions
Now showing items 41-60 of 78
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Antioxidant activity efficiency of the xanthone using electrochemical method
(Rajamangala University Of Technology Rattanakosin, 2016)Seven isolated xanthones; Dulcisxanthone B (1), -mangostin (2) Seven isolated xanthones; Dulcisxanthone B (1), -mangostin (2), 1,3,7-trihydroxy-2,4-di-(3-methylbut-2-eyl)-xanthone (3), Cudratricusxanthone E (4), cochinchinone ... -
Development of systems for determination of nutrients in Thai foods by high performance thin layer chromatography
(Rajamangala University Of Technology Rattanakosin, 2015)Thin layer chromatography (TLC) was employed for detecting nutrients in Thai food and the results from TLC were evaluated by TLC densitometry technique. Three optimized systems for analyzing three groups of each nutrients ... -
Preparation, microstructure, and nonlinear (I-V) properties of CaCu3Ti4-xSnxO12 nanoparticles prepared by polymer pyrolysis solution method
(Rajamangala University Of Technology Rattanakosin, 2015)This research is prepared the CaCu3Ti4-xSnxO12 (CCTSO) powders by using the polymerpyrolysis (PP) method. Phase composition and microstructure were characterized by X-ray diffraction (XRD) and scanning electron microscopy ... -
Magnetic Properties of Copper and Manganese Co-doped Cobalt Ferrites Nanoparticles by Sol-Gel Method
(Rajamangala University Of Technology Rattanakosin, 2015)Cobalt ferrite nanoparticles with norminal formula of Co1-(x+y)CuxMnyFe2O4 have been synthesized by sol -gel method. The cobalt ion are replaced by copper and manganese ion (x + y = 0.08). Phase identification was ... -
The Effect to Bending Strength Samples from Adding the Sugar Cane Bagasse Ash in Commercial Cement
(Rajamangala University Of Technology Rattanakosin, 2015)The purpose of this research Investigated the characteristics of bagasse ash and mechanical properties of the cement paste bagasse ashes. To study the physical properties, chemical compositions and particle sizes, ... -
Study on Physical, Structural, Optical and Luminescence Properties of Bi2O3-BaO-B2O3 Glass Systems Doped with Sm3+
(Rajamangala University Of Technology Rattanakosin, 2016)In this study, the effect of Sm3+ ions doped in glasses of the composition in mol% (40-x)B2O3 : 40Bi2O3 : 20BaO : xSm2O3 (where x = 0, 0.50, 1.00, 1.50, 2.00 and 2.50). The BiBaBO glasses have been prepared by melt-quench ... -
A Study on Misuses of Chinese Language Noun Classifiers of Undergraduate Students
(Rajamangala University Of Technology Rattanakosin, 2013)This study aims to find out problems of misuses of Chinese language noun classifiers of RMUTR undergraduate students,to analyze the problems and the impacts of the misuses, and to develop appropriate instructional ... -
Attitudes and Awareness in ASEAN Community of Liberal Arts students in Rajamangala University of Technology Rattanakosin
(Rajamangala University Of Technology Rattanakosin, 2013)The purposes of this research were to study and find the attitudes and awareness in ASEAN community of Liberal Arts students in Rajamangala University of Technology Rattanakosin. The subjects were 222 undergraduate ... -
English Speaking Problems of students who enrolled in English Conversation subject
(Rajamangala University Of Technology Rattanakosin, 2013)This study investigates the English Speaking Problems of students who enrolled in English Conversation subject at four campuses of Rajamangala University of Technology Rattanakosin, second semester, academic year 2011.by ... -
Result of Learning from Instruction of Man and Society Subject Focusing on Students’ Public Mind
(Rajamangala University Of Technology Rattanakosin, 2013)The purposes of this research were to study result of learning from instruction of Man and Society subject focusing on students’ public mind and satisfaction on public mind. The sample of 39 students selected by cluster ... -
The Development of speaking abilities for second year students who study Engligh for Communication course, Faculty of Industry and Technology, Rajamangala University of Technology Rattanakosin taught by Problem-Based learning activities
(Rajamangala University Of Technology Rattanakosin, 2013)The purposes of this study, The Development of speaking abilities for second year students who study Engligh for Communication course, Faculty of Industry and Technology, Rajamangala University of Technology Rattanakosin ... -
Chemical Constituents from Cratoxylum cochinchinense and their Cytotoxic Activity
(Rajamangala University Of Technology Rattanakosin, 2014)Six isolated compounds; Vismiaquinone A (CF1), γ-tocotrienol (CF2), δ- tocotrienol (CF3), 7-geranyloxy-1,3-dihydroxyxanthone (CF4), Cochinchinone G (CF5), Cochinchinone A (CF6) were isolated from ethylacetate extracts ... -
Student’s Satisfaction towards Services in the Faculty of Liberal Arts at Rajamangala Uninversity of Technology Rattanakosin Salaya Campus, Academic Year 2013
(Rajamangala University Of Technology Rattanakosin, 2013)This research aims to study the students' satisfaction with the services of the Faculty of Liberal Arts and to survey the opinions and suggestion of the students in term of services of the Faculty of Liberal Arts, ... -
A Study of Consumer’ Behavior on Buying E Commerce Products via Social Media of Students of Rajamagala University of Technology Rattanakosin
(Rajamangala University Of Technology Rattanakosin, 2015)This research aims to : 1.study the factors that affect buying decision through e-commerce via social media of Rajamangala University of Technology Rattanakosin’s students 2.study the buying behavior through e-commerce ... -
THE COMPARATIVE STUDY OF CULTURAL REFLECTION FROM THAI, CHINESE AND ENGLISH PROVERBS
(Rajamangala University Of Technology Rattanakosin, 2015)This research is “The Comparative study of Cultural Reflection from Thai, Chinese and English Proverbs” aims to study 1) classify the typologies of figurative language of Thai Chinese and English proverbs, 2) the comparison ... -
Characterization of Sea Surface Height in the Andaman Sea
(Rajamangala University Of Technology Rattanakosin, 2016)The sea surface height in the Andaman Sea observed during October 1993 to July 2013 from TOPEX/ERS/Jason1 is investigated by using empirical orthogonal function (EOF) analysis, wavelet analysis and least square linear ... -
Health Promotion Tourism Behavior of people in Lamphaya Floating Market, Banglen District Nakhon Pathom Province
(Rajamangala University Of Technology Rattanakosin, 2011)The purposes of this research were to study health promotion tourism behavior of people and factors that affected the health promotion tourism behavior of people in Lamphaya Floating Market, Banglen District, Nakhon ... -
Building students network to reduce pollution in the canteen of Poh-Chang Academic of arts
(Rajamangala University Of Technology Rattanakosin, 2011)This is the base research,aiming to build the students’ network to reduce the pollution in the canteen of Poh-Chang Academic of Arts, Rajamangala University of Technology Rattanakosin, and aiming to evaluate efficiency of ... -
Attitude and Comprehension in English Printing Media Reading toward the Students of Rajamangala University of Technology Rattanakosin
(Rajamangala University Of Technology Rattanakosin, 2013)The objectives of this study were 1) to study of the 3rd year engineering students attitude toward English printing media reading, and 2) to study self reported comprehension toward English printing media reading. The ... -
A Development of Statistical Analysis Handbook for Research
(Rajamangala University Of Technology Rattanakosin, 2014)The purposes of this research were 1) to develop the manual of using statistics to analyse the data for the research, 2) for comparing the average of scores before and after using the manual of statistics for researching. ...