Purple Mountain Observatory 1

1. Cloud-cloud collision and star formation in G013.313+0.193
2. EP240801a/XRF 240801B: An X-Ray Flash Detected by the Einstein Probe and the Implications of Its Multiband Afterglow
3. MAJORS II: HCO⁺and HCN abundances in W40
4. Extended CO(1–0) survey and ammonia measurements towards two bubble regions in W5 Feedback on molecular gas and clumps
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