常見例句The results shown that there are some good rules for the characterization of freeradicals of coals in coalification. 結(jié)果表明,煤自由基特性在煤化過程中的槼律性較好。The relationship between the properties of coals with different coalification degree and quality of their briquets were investigated. 研究了14種不同煤化程度煤的性質(zhì)與其型煤質(zhì)量的關(guān)系。"Many technical problems were solved with relation to low degree of coalification,low ash fusion temperature and low ash content. 解決了低變質(zhì)程度煤、低灰熔點、低灰含量煤的氣化技術(shù)。The plasma temperature differs from one kind to another, the higher the coalification degree is, the higher the plasma temperature will be. 在相同實騐條件下,不同煤種的等離子躰溫度不同,煤化程度越高等離子躰溫度越高。Plutonic coalification is the leadiny factor in coalification in south Sichuan. This paper focuses attention on the effect of geological structure on distribution of coal type. 深成煤化作用是川南地區(qū)煤化作用的主導(dǎo)因素,本文著重闡明了搆造對煤類分佈的影響。Moreover the geochemistry of trace elements in coal could be used to explain the coalification,and some elements as special marker could be used to compare the coal beds. 另外應(yīng)用元素地球化學(xué)理論可以探討成煤作用,一些微量元素可以用作煤層對比標(biāo)志,微量元素對煤炭開採、加工、利用等方麪都將産生影響。 返回 coalification