State Key Laboratory Of Radio Astronomy And Technology 1

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