1. Synthesis of biodiesel by two-step transesterification from crude jatropha curcus l.oil using ultrasonic irradiation assisted
Ittipon Worapun, Kulachate Pianthong, Prachasanti Thaiyasuit

2. A study of flow in an ejector equipped with variable throat area of the primary nozzle using cfd simulation
Nat Suvarnakuta, Kraiwut Uthaikorn, Thanarath Sriveerakul, Satha Aphornratana

3. Programming in optimization of scheduling and dispatching for rmc trucks using genetic algorithm
Ladda Tanwanichkul, Attaphol Sirisuwan

4. On-chip active inductors- the promising replacements of the on-chip passive inductors
Rawid Banchuin

5. Design and construction of a rubber roller for garlic peeling machine from natural rubber
Naret Intawong, Konnatee Sugtakchan

6. Electricity generation by reverse electrodialysis
Kiattisak Kumwachara, Prasong Wonvicha, Kanyarat Holasut

7. Failure analysis of the conveyor chain pins- a case study of a sugar factory
Narong Wichapa, Somsak Homdee

8. Concrete reinforced with frp bars- alternative for noncorrosive structures
Krit Chaimoon

9. Degradation of humic acid from aqueous solution by fenton reaction and microbiological technique
Thassawathas Suchaiya, Prapakorn Krongthong, Nuttawan Yoswathana, Woranart Jonglertjunya