- Nikkomycin is a kind of new antifungal matibiotics.More than 20 biologically active nikkomycin structures have been isolated and the main active structures are nikkomycins X, Z, I, J.
- Location of line in a mountainous environment in which active structures are well developed is a major engineering-geological problem concerned in railway and highway construction.
- Active Structure Acoustic Control(ASAC) is the leading field in the area of Vibration and Noise Control.
- An error sensor strategy is a key step in implementing an active structural acoustic control(ASAC).
- In order to reduce sound radiation of a structure, the method of Active Structural Acoustic Control (ASAC) was developed in the 1980s.
- It is often the case of reform initiatives around the world that what gets noticed and disseminated are often the activity structures and curriculum resources that were generated.