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- modified coal ash 改性粉煤灰
- A Study on Modifieation of the Surface of Coal Ash. 粉煤灰表面改性的研究
- Coal in ash, low sulfur, high calorific value, high-melt-depleted coal ash. 煤质以中灰、低硫、高发热量、高熔灰份的贫煤为主。
- The viscous flow activation energy of modified coal tar pitches markedly increases with rise of TS content,and pre-exponential factor A decreases. 随温度的升高或剪切速率的增加,改性媒沥青的粘度降低:随TS含量增加,改性煤沥青的流动活化能厂变小、指前因子A变大; 煤沥青在改性过程中可通过工艺的调整来控制煤沥青的粘度,以满足不同的使用要求。
- The photoelectric colorimetry is usually used in some test items of coal ash analysis. 在煤灰成分分析检测项目中有一些通常采用光电比色法进行检验。
- This article deals with the kinetics of thermal decomposition process of non-coking coal with modified coal tar pitch used in a steel company. 本文对国内某钢铁公司焦化厂所用的非焦煤配改质沥青的分解过程进行了动力学研究。
- The key points are caloric value of coal, the fusing characteristics of coal ash and the temperature at furnace center. 其要点是煤的热值,煤灰的熔融特性以及炉膛的中心温度。
- The construction of ash dam in Weishui Power Plant adopts the multi stage pulverized coal ash subdam technology. 微水电厂贮灰坝的施工采用了多级粉煤灰子坝技术。
- The total mass balance of Circulating Fluidized Bed Combustion (CFBC) with coal ash as bed inventory is studied. 本文建立了以煤燃烧成灰为床料的循环流化床总体质量平衡数学模型。
- Differential scanning calorimetry (DSC) and simultaneous thermal analysis (TG, DTA) are employed to study on thermal behavior of the modified coal tar pitch. 采用差示扫描量热法 (DSC)和热重 -差热分析 (TG DTA)对改性前后的煤沥青进行热行为分析。
- It is the equipment to pulverize and mix the material in the process of gangue,coal ash shale. 该机主要用于煤矸石、粉煤灰、页岩等原料生产过程,是原料处理关键设备。
- Using concentrated H_2SO_4 modified coal based activated carbon as catalyst,benzylaldehyde glycol acetal was synthesized from benzylaldehyde and glycol. 以浓硫酸改性煤基活性炭为催化剂,以苯甲醛和乙二醇为原料合成苯甲醛乙二醇缩醛的反应条件进行了研究。
- It is the ideal equipment for production of various hollow brick, shale, coal gangue and coal ash. 是生产各种空心砖及页岩、煤矸石、粉煤灰制砖的理想设备。
- The lightweight fillings include coal ash, expanded polystyrene (EPS).SLM light mixture and so on. 轻质路堤填料,主要包括粉煤灰、聚苯乙烯硬泡沫塑料(EPS)、SLM轻质混合料等。
- Billions of gallons of coal ash, of course, spill through this area after a broken dam occurred in Knoxville last week. 上周诺克斯维尔一个水坝毁坏,数十亿加仑的煤灰倾泻到这个区域。
- It is shown that the improved coal ash adsorbent can obviously heighten the absorptivity of ions. 证明粉煤灰吸附剂显著提高了对水中离子的吸附性。
- The influence of coal ash compositions upon fusion and slagging properties is comparatively complex. 煤灰中化学成分对煤灰的熔融和结渣特性的影响比较复杂。
- The composition of coal ash and mineral matters obviously influence coal ash fusibility. 论述了煤灰熔融性温度与测试气氛、煤灰成分、矿物组成等因素之间的关系。
- 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。
- To the difficult of coal ash treatment in the Yangtse Rive Salt Plant, the author advanced a reasonable measure for it. 针对湖北长江制盐厂产生的粉煤灰处理困难的情况,提出了比较合理的处理方案,以抛砖引玉,与同行探讨。