1. Introduction  
2. Sample and Observations  
2.1. Sample Selection  
2.2. Very Large Array  
2.3. MIR Archive Data from the Spitzer Space Telescope  
3. Methods  
3.1. Ammonia Line Fitting  
3.2. Temperature Threshold and Kinetic Temperature  
3.3. Intrinsic Line Width and Velocity Dispersion  
3.4. Uncertainties of the Results  
4. Results  
4.1. Moment-0 Maps and Fragment Extraction  
4.2. Maps of the Derived Physical Parameters  
4.3. Correlation Analysis  
5. Discussion  
5.1. Morphology  
5.2. Virial Analysis  
5.3. Dynamical States in Star-Forming Regions  
5.4. Gas and Dust Temperature  
6. Summary