Jandaolet Q 1

1. Ammonia observations of Planck cold cores
2. Cloud-cloud collision and star formation in G013.313+0.193
3. Formaldehyde in the Cygnus-X region
4. A case investigation of an end-dominated collapse and hub-filament system, G53
5. Colliding filaments in the molecular cloud G34
6. Possible collision-induced outflows and triggered star formation in the molecular complex G34
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