The coal pyrolysis process is studied with the Thermogravimetric Analyzer, and Fixed Carbon in coal is burned in the simulated air state.
利用热重分析仪对煤的热解过程进行实验研究，并使热解后煤中的固定碳在模拟空气状态下充分燃烧。
Feasibility of using oxygen analyzer or gravitometer for calorific value control of LPGair mixture is studied in the system of mixing LPG and air.
探讨了在液化石油气混空气系统中采用氧分析仪或相对密度仪控制混合气热值的可行性。
Methods: the formaldehyde concentration in indoor air was measured simultaneously using the portable formaldehyde analyzer and AHMT method, respectively.
方法：分别使用便携式甲醛分析仪和AHMT比色法同时对室内空气中甲醛浓度进行测定。
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