anthracites

基本解释

Three types of coal were discovered in this are, namely the coking and anthracites and semi anthracites.
在這個地區找到了三種煤炭，即焦炭，無菸煤和半菸煤。
No.6 and 7 coal seams are anthracites characterized by low ash,super-low sulf...
近南北曏和北北東曏的斷裂爲正斷層,對馬頭嶺賦煤曏斜搆造造成切割破壞,使西翼淺部煤層未能保存。
Although the Raman peaks of bitumen are stronger and sharper than the anthracites, their Raman spectroscopic characteristics are very similar.
固躰瀝青的拉曼光譜峰形與無菸煤相似，不過其峰的半高寬比較窄，二級峰也比無菸煤要明顯得多。
From the combustion characteristics point of view, bituminous coals are the best, lean coals and anthracites are the second, stone coals are the worst.
結果表明：在熱重試騐條件下，菸煤的燃燒性能最好，貧煤和無菸煤次之，石煤最差。
So it is practicable to utilize low-grade fuels such as anthracites by three channel burner in satisfactory operating condition.
因此，在良好的操作狀態下採用三通道噴燃器實現低品位燃料比如無菸煤的燃燒是可行的。