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- brown coal pitch [机] 褐煤沥青
- The experiments are done to develop globular activated carbon from coal pitch. 摘要通过实验研究,利用煤沥青研制球形活性炭。
- The influence of carbonization and activation technology of coal pitch on property of globular activated carbon is discussed. 探讨了煤沥青炭化活化工艺对球形活性炭性能的影响。
- 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。
- It also showed that the paint system of zinc-richened epoxy priming paint associated with glass-fibre clothe strengthened epoxy coal pitch was good for submarine cable protecting. 海底输油管线以环氧富锌底漆配以玻璃布增强厚浆型环氧煤沥青漆的涂装体系应用效果最佳。
- 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。
- It was indicated that the modified coal pitch, which had not only a great deal of mesophase microbead but good thermostability as well, can be qualified to be an excellent carbon precursor. 研究结果表明:改性后的煤沥青不仅出现大量的中间相小球,而且耐热性优良,可作为炭材料优质的基体前驱体。
- 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。
- Summary of Carrying on Coal Pitch Packaging Project 煤沥青包装项目运行分析
- 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。