The purpose of this research was to improve the efficiency of solar cell modules by cooling with heat pipes. The test set consisted of three 80 watt solar modules that were made of mono-crystalline. The first module did not install heat pipes while the second module installed heat pipes using ethanol as the working fluid and the third module installed heat pipes using R-11 as working fluid. Solar radiation intensity electrical energy produced by the solar modules and temperature of the solar modules were recorded. The results showed that the average temperature of the first solar cell module was 52.9oC and the case of not install heat pipes on module. For the units with heat pipes it was found that unit with ethanol heat pipe had an average temperature of 50.7oC and efficiency at 10.2% whereas the unit using R-11 heat pipe had an average temperature at 49.2oC and efficiency at 11.8% From the experiments it was concluded that the installation of heat pipes could increase the efficiency of solar cell mokules.

The research purposes were to analyze and search for wastes in the planning process and transportation of the automobile parts of a transport company in Samut Prakan using Makigami Lean and ECRS Techniques. The informants used in this study were the support staff working the planning process and automobile part transportation for the car assembly factory in the industrial estate Rayong Eastern Seaboard. Six employees from different work units took part in the in-depth interview as the research tool for the data collection. Statistics used in the data analysis including percentage and workflow analysis with related management tools. The study indicated that searching for the waste in the technical planning process with Makigami Lean and ECRS Techniques could help reduce the work time for 1060 minutes in each step.

The purposes of this research were to study organizationaL climate work motivation and work efficiency of employee at Rajamangala Universit of Technology Phra Nakhon. This is a quantitative research which samples were collected from 304 Rajamangala University of Technology Phra Nakhon employees by using proportional stratified random sampling. Data were collected through questionnaire and analyzed by frequency percentage mean standard deviation Pearson Product Moment Correlation Coefficient and multiple regression analysis. Results of this study found that : 1) organizational climate work motivation and work efficiency of Rajamangala University of Technology Phra Nakhon employees is in the high level in overall image and in individual aspect; 2) four aspects of organizational climate including the attachment and faith aspect the organization structure aspect the acceptance aspect and the work standard aspect.had an effect on work efficiency of employees at Rajamangala University of Technology Phra Nakhon. These factors couldexplain 41% of variance to work efficiency; and 3) Two factors of work motivations affected work efficiency of employees at Rajamangala University of Technology Phra Nakhon. These two factors could predict 57% of variance to work efficiency. Keywords: Organizational Climate Work Motivation Work Efficiency

This research aims to study 1) factors affecting on operational efficiency; and 2) factors affecting on accounting professional success. The samples of this study consists of 260 accountants which has experience in accounting performance at least one year. The research instrument was a questionnaire which development by using IOC technique and already test content and construct validity including reliability. Data analysis employed descriptive statistic such as frequency percentage mean and standard deviation including Pearson correlation and multiple regression analysis. The results of this article found that most accountants believe that mean of the level of operational efficiency = 4.07 (S.D. = 0.460) and mean of the level of accounting profession success = 3.95 (S.D. = 0.530) both of them were quite well in Thailand 4.0. The result also show that level of professional accountant competencies compliance with the code of ethics profession and professional judgment have positive significant on operational efficiency at the significant level α < 0.01 while operational efficiency the level of professional accountant competencies efficiency of internal control system and professional judgment have positive significant on the level of accounting profession success at the significant level α < 0.01. These results also explained that both of the level of professional accountant competencies and professional judgment have both direct andindirect effect on the level of accounting profession success through operational efficiency with the significant level α < 0.01. Additionally control variable -- work position also has positive significant on both the level of professional accountant competencies and the level of accounting professional success at the significant level α < 0.05.

This research is to study and develop natural pulp materials for packaging. This is the agricultural waste. To benefit commercially To build capacity and capability in economic development and environmental conservation Is the creation of packaging work Formed in sheets and shapes using natural materials such as mulberry paper pineapple paper. And banana paper Then design and create the packaging. To test the properties. According to the standard packaging. They also sought satisfaction in the form and use of natural pulp materials. Include the packaging according to the case study. Research indicates that When developing pulp quality The banana paper can not be printed. Can print lines. But screen printing is not suitable for banana paper. Foil printing case when mulberry paper and pineapple paper Foil printing Printing lines Can be done well on mulberry paper and pineapple paper. Death images can be printed on all three types of paper but the screen is not good. Sealing material from natural pulp onto corrugated paper. From the test it was found that the amount of adhesive that was suitable for sealing was between 20-30 mg. If the adhesive was less than 20 milligrams only mulberry paper was sealed. The amount of glue at 50 milligrams is the amount of glue is too high causing all three types of paper to rot. Because of the adsorption of glue to the pulp. Packaging material from natural pulp. Fold of banana paper that does not pass the test. The banana paper is high in strength. When folding the packaging causes the pulp to split along the crease. Can not be molded. Evaluation of the satisfaction with the form and use of packaging materials from natural pulp. It was found that the average value of paper pulp suitable for packaging materials from natural pulp was the most agreeable paper. Secondly paper shreds are very popular and the last one is banana paper. Moderate agreement