adj.褐煤的；含褐煤的

Humic acid (HA ) was abstracted from leonardite,and a composite superabsorbent (HA PSA ) was prepared by compounding poly (acrylic acid ) and lignitic humic acid. 以風化褐煤為原料制備腐植酸(HA),將HA與普通型保水劑(PSA)復合,獲得HA型保水劑(HA-PSA)。

The results indicated that the trace elements molybdenum and zirconium increased considerably the gas yields of the lignitic organic matter while selenium did not. 分析結(jié)果表明,除硒元素外,隨著鉬元素和鋯元素的加入,褐煤有機質(zhì)氣態(tài)產(chǎn)物的生成量顯著提高。

Keywords lignitic tar;asphaltum;property modification; 褐煤焦油;瀝青;改性;

Cause of Slagging in Lignitic Boiler and Analysis of Retrofit Plan for Burner 褐煤鍋爐結(jié)渣原因及燃燒器改造方案分析