1. In point of view of the principle of inreversible process, the energy dissipation of rock mass excavation is analysed.

2. If the hair graying is inreversible, hair colorant is the main choice for the masking of hair color change.

3. Nowadays, glaucoma is the major disease of inreversible blindness and the second cause inducing visual loss in the worldwide.

4. It would cause inreversible hearing loss without proper prompt treatments.

5. CONCLUSIONS The findings support: the clinical application of ESWL can not make severe damage to the patients, but excessive shock wave firing should be avoided to prevent the inreversible damages.

6. This paper propose the analytical solve of effective factor of one-dimensional cylindroid catalyst, which takes an one-order inreversible reaction, by using special functions.

7. This context firstly introduced the foundation, classification, research status and application areas of digital watermark in the aspects of inreversible and reversible watermark.