Abstract The circulation direct monitoring and sampling system (CDMSS) is used as a monitoring device for CO2 and O2 concentrations of bypass type in shake-culture flask. The CDMSS could measure k La. an index for evaluating the performance of aerobic culture incubators. and k G. https://www.roneverhart.com/HP-15-fc0093dx-15-6-FHD-Laptop-AMD-Ryzen-5-7520U-2-8-GHz-AMD-Radeon-16GB-LPDDR5-256GB-SSD-Windows-11-Home-S-8F1A6UA/