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运用红外线分析仪在室外研究了青冈林的能量损耗及其与生理、生态因子的关系．结果表明：能量损耗为2829587．46kJ／（m2·a），其中呼吸能量损耗为76288．06kJ／（m2·a），蒸腾能量损耗为2753249．40kJ／（m2·a）．能量损耗以七月份最高．呼吸能量损耗日变化基本上呈“单峰”，其主导因子为温度．但亦出现“午休”，其日变化类型表现为“双峰”曲线．蒸腾能量损耗速率的变化亦有“单峰”、“双峰”和“杂合”三种类型，其主导因子为空气相对湿度．
Infrared analyzer was used to study the energy loss of Cyclobalanopsis glauca and its relationship with physiological and ecological factors. The results showed that the energy loss was 2829587.46 kJ / (m2 · a), of which the respiratory energy loss was 76288.06 kJ / (m2 · a) and the transpiration energy loss was 2753249.40 kJ / (m2 · a). The energy loss is highest in July. Daily changes in respiratory energy loss was essentially “single peak”, the dominant factor for the temperature. However, a “lunch break” also appeared. The diurnal variation type showed a “double peak” curve. There are three types of “single peak”, “double peak” and “heterozygosity” in the rate of energy loss of transpiration. The dominant factor is the relative humidity of air.