1. Citric acid fermentation by immobilized aspergillus niger
A. Wongwichan and T. Yoshida

2. Effect of revibration on the compressive strength of concrete during setting time
C. Jaturapitakkul, S. Tretriluxana and P. Singhjaroen

3. Life (สิ่งมีชีวิต)
J. Ketsuwan

4. Padaeng industrys steam energy conservation
M. Yapha and S. Soponronnarit

5. Performance study of absorption refrigeraion system with different working fluid pairs
J. Tiansuwan and T. Kiatsiriroat

6. Performances of refrigeration system using r-22 and kcd 9430
T. Euakit and T. Kiatsiriroat

7. The designation and implementation of error correction set for digital date transmission by the convolution code
K. Sripimanwat, D. Breen and Y. Prempraneerach