Institute of Research and Development: Recent submissions
Now showing items 421-440 of 847
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Preparation of polymer blends fiber between poly (lactic acid) and poly (butylene succinate) for textile applications
(2015-06-05)Biodegradable polymer blend fibers were prepared by melt spinning technique. Poly(lactic acid) (PLA) and poly(butylene succinate) (PBS) were blended in a twin screw extruder at various contents of PBS at 0-50 wt%. PLA/PBS ... -
Preparation film spa from para rubber (hevea brasiliensis)
(2015-06-05)The objective of this research were investigated for preparing a film of rubber for use in the spa business. It was a formula for the excellence of the film, the study included the topic of different concentrations of ... -
Comparison of statistical techniques for forecasting set 100 index
(2015-06-05)This research is the comparative study of three forecasting methods on SET 100 index. These methods are Simple Exponential Smoothing method, Holt's method and Box-Jenkins method. Two sets of data were used in this study. ... -
Enhancement quality of rice seed by using bio-extract fermented from pig placenta and by using wood vinegar
(2015-06-05)This study was undertaken to determine effect of bio-extract fermented from pig placenta and effect of wood vinegar solutions on seed germination percentage and speed of germination of 2 rice cultivars, Chai Nat 1 and Sang ... -
Usage behavior and satisfaction towards information technology of personnel in the ministry of culture.
(2015-06-05)The objectives of this research are 1) to study usage behavior and satisfaction in the information technology of personnel in the Ministry of Culture. 2) To study the relationship of usage behavior and satisfaction of ... -
A development of competency in information and communication technology of teachers in Rajamangala University of Technology isan
(2015-06-05)The purposes of the study were to study the need, competency and to develop the competency in information and communications technologies of teachers. The samples were 363 teachers of Rajamangala University of Technology ... -
Continuous production of biodiesel in a continuous reactor with minimal
(2015-06-05)The yield of biodiesel from a base catalyzed transesterification in a batch system is generally low due to the reversed reaction. In addition, the process tends to generate high amount of waste water in the washing step. ... -
The relationship between the weather and the incidental solar radiation onto the solar cell in amphoe thanyaburi area
(2015-06-05)One important factor that makes the variations of electric current produced from solar cells (Ipv) is the variability of the weather conditions of the day. The one year experiment from January to December, 2012 had been ... -
Detection of the corresponding time between the photovoltaic current difference and the surface temperature dropdown by using solar cell
(2015-06-05)During the daytime, solar cells can be used in terms of meteorology because the variations of the current obtained from solar cells are associated with changes in daily climate. The case study of the comparison between the ... -
Study on properties of honey-nanofibers fabricated by electrospinning technique
(2015-06-05)Honey-nanofibers were fabricated by electrospinning technique in order to study their potentiality for biomedical application especially as wound healing materials. Honey/Gelatin ratios, operating voltages, and solution ... -
Effects of ginger extract in the treatment of diabetic rats
(2015-06-05)The aims of this study were to investigate the effects of ginger (Zingiber officinale Roscoe.) extract on chemical compositions, blood glucose levels, body weight, blood serum insulin levels and lipid profiles in diabetic ... -
The construction of physics laboratory i learning kits on sound velocity finding by resonance method
(2015-06-05)The purpose of this research was to construct experimental learning kit on sound velocity finding by resonance method in order to use for a material in Physics Laboratory I. The instruments used in this study included : ... -
Study on effectiveness of aquatic plants for wastewater treatment
(2015-06-05)The objective of this research was to compare the effectiveness of water hyacinth and cootail for wastewater treatment by taking water sample from Klong Bangkhen-mai near King Mongkut’s University of Technology North ... -
The study of problems of epoxy adhesive on head gimbals assembly process
(2015-06-05)Head gimbals assembly (HGA), an important part in hard disk drive, is made by assembling slider on suspension by using an epoxy adhesive. In production process, there are three main problems originated from epoxy adhesive ... -
Use epoxidized natural rubber as coupling agent for reinforcement calcium carbonate filled natural rubber
(2015-06-05)The reduction of calcium carbonate (CaCO3) particle was prepared by wet grinding method with 40% dispersion. The particle sizes of CaCO3 were studied with various time of wet grinding. It was found that the particle sizes ... -
Influence of the mordant on dyeing properties of cotton yarn with natural dye extracted from teak leaves
(2015-06-05)The objective of this research was to study influence of five different kinds of the mordant, copper sulfate (CuSO4), ferrous sulphate (FeSO4), alum and chitosan on dyeing properties of cotton yarn with natural dye extracted ... -
Problems and barriers for cooperative education student trainee recruitment according to the work place's concept. : a case study of undergraduates of business administration faculty, Rajamangala University of Technology Phra Nakhon
(2015-06-05)This abstract is aimed to study the problems and barriers in receiving the business administration students into co-operative education apprentice in accordance with the firms’ ideas on organizing and working processes, ... -
Evaluation of genetic variation of neolissochilus stracheyi wild populations in the nan river watershed using microsatellite dna markers
(2015-06-05)This study evaluated the genetic diversity of two natural populations of Neolissochilus stracheyi in Nan River watershed, Amphoe Bokluea (BK) and Amphoe Mae Jarim (MJ). We analyzed microsatellite markers originally developed ...