1. Unhealthy lifestyle often take on the characteristics of self-invention, sociality, diffusion and alterability .
2. It is revealed that the montmorillonite interlayer space has the essence of alterability based on the alterability of montmorillonite interlayer space.
3. The true of sample is very important due to the volatility and alterability of light aromatic hydrocarbon.
4. The true of sample is very important due to the volatility and alterability of light hydrocarbon.
5. The tournament scheduling constraints in Olympics had characters of large numbers of quantity and category, dynamic alterability .