The influence of coal granule size on the emission characteristics of inhalable particles has been studied with a drop tube furnace.
采用沉降炉研究了煤粉粒径对可吸入颗粒物排放特性的影响。
The char types of the various macerals and their combustion modes were investigated in detail according to the drop tube furnace and one-dimension coal combustibility tests.
本文依据沉降炉和一维煤粉燃烧特性试验，对不同显微组分的残炭类型及其燃烧方式进行了详尽的探讨。
Experimental investigations into the relationship between the coal concentrations and the ignition hoes in coal clouds are performed in a drop tube furnace.
在管式炉上对煤粉气流着火方式与煤粉浓度的关系进行了研究。
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