| Paper: | idn800 |
| Name: | Shao he Song |
| Company: | GanSu Electric Power Test & Research Institute |
| Address: | 732 XiJin East Road Qilihe Lanzhou City Gansu Province |
| Country: | P. R. China |
| Phone: | 0086 0931 2953464 |
| Fax: | 0086 0931 2957722 |
| Email: | fanrener@yeah.net |
| NDT.net | |15th WCNDT CD-ROM| |