对红外CO_2分析仪测定果实呼吸强度时流速、温度、呼吸室空间大小与形状等因素的影响作了探讨,并与经典方法做了对比。便携式红外CO_2分析仪测定果实呼吸强度,具有操作携带方便,测定快速准确等优点,适合于在实验室、果园和冷库等场所使用。 Influencing factors such as flow rate, temperature, space size and shape of respiration chamber in determining the respiration intensity of fruit by infrared CO_2 analyzer were discussed and compared with the classical methods. The portable infrared CO_2 analyzer measures the respiration intensity of fruit, has the advantages of easy operation and carrying, rapid and accurate determination and the like, and is suitable for being used in laboratories, orchards and cold stores.