该文通过煤粉在沉降炉中的燃烧，研究燃烧过程中煤焦的膨胀特性及其对颗粒物形成的影响。
Pulverized coals were burnt in a laboratory-scale drop tube furnace to study the swelling characteristic of char particles and its influence on emission of particulate matter (PM) during combustion.
实例计算表明：该模型对沉降预测精度高，能较合理地反应出土颗粒骨架的蠕变过程，且能给出不同时刻的次压缩量，在实际工程上具有一定的参考价值。
It is proved that the new model holds higher prediction accuracy and can reasonably reflect the creep course of soil framework. Hence, it has referential value to practical engineering.
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