| 1. | Determination of yield of benzene - soluble extract in brown coal 褐煤的苯萃取物产率测定方法 |
| 2. | Thermogravimetric analysis on the combustion characteristics of brown coal blends 褐煤混煤燃烧特性的热重分析法研究 |
| 3. | Bituminous brown coal 沥青质褐煤 |
| 4. | Method of extraction for the determination of sodium and potassium in brown coal soluble in dilute hydrochloric acid 褐煤中溶于稀盐酸的钠和钾测定用的萃取方法 |
| 5. | Application of strip off technology in treating the phenolic wastewater of brown coal - pressure gasificafion 气浮技术在处理哈尔滨气化厂煤加压气化废水中的应用 |
| 6. | Describes with examples the design principle for the large capacity brown coal boilers of harbin boilers co . , ltd , the performance of these boilers and existing problems 以实例简要阐述了哈尔滨锅炉厂大容量褐煤锅炉的设计原则、运行状况及存在的问题。 |
| 7. | Non - chemical bond association structures in fanzhi brown coal and their evolution were studied by the integration of hydrous pyrolysis and cs2 / nmp extraction 摘要采用热模拟实验与cs2 / nmp混合溶剂抽提相结合的方法对繁峙褐煤中的非化学键缔合结构及其演化特徵进行了研究。 |
| 8. | Abundant non - chemical bond association interactions are existed in fanzhi brown coal and the association interactions will change in the thermal evolution 研究结果表明:繁峙褐煤中含有大量的非化学键缔合结构,在有机质的演化过程中,非化学键缔合结构也进行著同步的演化。 |
| 9. | In this paper , we investigated the fruits and seeds in detail from yunnan in the age of miocene and from shanxi in the age of pliocene . 1 . a miocene flora of fruits and seeds is reported from a brown coal mine , named as mangdan , in western yunnan , sw china 本论文首次对我国云南和山西晚第三纪的果实和种子进行专门研究,并根据它们对应的现存最近亲缘植物的分布及生态特征分析和重建了当时当地的古植被、古环境和古气候。 |
| 10. | Tests and analyses performed by experts and technical personnels show that , the brown coal used by hongwei power plant is extremly prone to produce reside in the process of power generation . this paper discusses the problem of burning residue in the coal fired boiler 410t / h of hongwei heat & power plant 本文对宏伟热电厂410t / h燃煤锅炉的煤灰特性等进行了试验分析,试验结果表明,宏伟热电厂燃用的褐煤是一种有严重结渣倾向的煤,运行中极容易结渣。 |