[15] [15] Li M, Du B, Guo J. et al. A low-cost in-situ CO2 sensor based on a membrane and NDIR for long-term measurement in seawater[J]. Journal of Oceanology and Limnology, 2022, 40(03): 986-998.

[16] [16] Akalin A, Ahin S. Theories in Simulation-Based Nursing Education[J]. Salik Bilimleri ve Meslekleri Dergisi, 2019(1).

[17] [17] Benedikt B, Philipp K, Hansjoachim N. et al. Investigating flexible feeding effects on the biogas quality in full-scale anaerobic digestion by high resolution, photoacoustic-based NDIR sensing[J]. Engineering in life sciences, 2019, 19(10): 2354-2360.