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- The polycyclic aromatic hydrocarbons of three kinds of tertiary brown coals from Guangxi have been characterized in detail. 总结了广西三盆地3种第三系褐煤的多环芳烃特征，主要包括芳香倍半萜，二倍半萜和三萜类。
- In a semi-continuous apparatus,brown coals of Yunnan and north-east Neimeng were used as the raw material of SCFE.Their extracted properties were studied. 以我国云南和东蒙地区褐煤为原料，在半连续超临界萃取装置上研究了它们的萃取特性。
- This method and systems are also used for other volatile-rich fuels such as brown coal and bituminous coal. 此实验方法和装置,同样适用于研究褐煤、烟煤等高挥发分燃料的输送特性。
- And modified lignite, sulphonated tannin, acid wood, resin, such as brown coal processing agent used to better effect. 与改性褐煤、磺化栲胶、木质酸类、褐煤树脂等处理剂配合使用效果更佳。
- DESC; Pit Coal was much more high graded than Brown Coal and at this point new techniques made refining Pit Coal much simpler. 沥青煤比褐煤等级更高,而此时生产沥青煤的工艺更为简单。
- Gas sourse rock that form gas almost are deep grey, grey black and black mudrock, siltstone and brown coal in Quaternary. 气源主要来自第四系深灰、灰黑及黑色泥质岩和褐煤层,源岩有机质丰度高。
- The transfer ratio of 137Cs from soil to plant cut down a little by the application of plant ash, brown coal but the effect is not stable. 草木灰、褐煤、石灰都有降低~(137)Cs从土壤-植物的转移率的作用,但效果不够稳定。
- German reunification in 1990 saddled the country with East Germany's low-grade brown coal plants, the dirtiest in Europe. 1990年德国统一，东德很多使用粗煤的低级工厂并入了西德，这是全欧洲最脏的工厂。
- Combimed with organic petrological study, it was beieved that hydrocarbons in oil sands come mainly from the brown coal. 结合有机岩石学研究成果，作者认为油砂中的烃类大部分就是源于这种褐煤。
- Preparation of carbon molecular sieves(CMS)from brown coal by two-step carbonization method(TSC)has been investigated in this work. 本文针对高挥发分的褐煤原料，提出两步炭化法制炭分子筛概念，并考察了工艺条件和产品空分性能。
- We obtained humic acid sodium which moulded lignite semi-coke used in ferroalloy plan from brown coal riching in Yunnan province. 利用云南丰富的褐煤资源制备了腐植酸钠作黏结剂,并用来成型铁合金厂应用的褐煤半焦。
- The extraction process producing nitro-humic acid by oxidizing brown coal obtained from Luoci was selected, and the production quality was analyzed. 采用云南罗茨褐煤进行催化氧化,由氧化褐煤制备硝基腐植酸,对制备工艺进行了考察,并对产品质量进行分析。
- Huolinhe brown coal is combusted in one-dimensional furnace to investigate the effective way for restraining and reducing NOX discharge. 在一维燃烧试验炉上燃用霍林河褐煤，考察抑制和降低NOX排放量的有效途径。
- Brown coal A low-grade coal which commonly retains the structures of the original wood. It is high in moisture, low in heat value and checks badly upon drying. 褐煤一种低质煤,往往保存着原来的木质结构,高水分,低热值,干燥后龟裂严重。
- The pyrolysis,ignition and burnout characteristics and activation energy of thr ee kinds of brown coal and their blends were studied by thermogravimetric analy sis. 利用热重分析法对三种褐煤及其混煤的热解、着火和燃尽等燃烧特性及其活化能进行了研究。
- The adhesive used in pelletizing fine coal can be prepared by the acetalation of nitrified and oxidated fine young brown coal with PVA solution and aldehyde in acid condition. 本研究将经过硝化氧解的年轻褐煤粉与聚乙烯酸水溶液在酸性条件下和醛类发生缩醛化反应，制取煤粉成型用型煤粘结剂。
- Brown coal is low calorific value coal.Now most of such coal is borne directly,its processing and utilization have certain limitation and hasn't been fully developed and utilized. 褐煤属低热值煤,现多以直接燃烧方式,褐煤的加工利用还具有一定的局限性,还没有完全开发利用。
- The content of moisture, ash, total humic acid and free humic acid of brown coal were analyzed, and the data of total acidic group, carboxy and phenolic hydroxyl group were given. 给出了各种原料煤腐植酸中总酸性基、羧基、酚羟基的分析数据。
- Influence of brown coal adding in coal blowing into BF on burn properties of pulverized coal is studied by the experimental device detecting pulverized coal burn properties. 利用煤粉燃烧性能检测实验装置,研究了高炉喷吹用煤中添加褐煤对煤粉燃烧性能的影响。
- The maceral, proximate analysis, cleats and joint developmental characteristics of the brown coal in Bulianta coalmine, Dongsheng coalfield have been studied. 详细研究了东胜煤田补连塔矿煤的岩石组成、内生裂隙及外生节理的发育特征。
