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y-ray coal ash content apparatus γ-射线灰分仪
γ-ray coal ash content apparatus γ-射线煤灰分仪
The Preliminary Study on the Electronic Measurement Method of the Coal Ash Content 煤炭灰分含量电子检测的初步研究
fine coal ash content 精煤灰分
A Study on Modifieation of the Surface of Coal Ash. 粉煤灰表面改性的研究
coal ash content 灰分
Improving Coal-Mud Water System to Reduce the Fine Coal Ashe Content 改进煤泥水系统降低精煤灰分
The effects of coal types, temperature and ash content in coal on the char gasification with CO2 were examined. 用随机孔模型模拟北宿煤反应速率与碳转化率的关系曲线，与未反应芯缩核模型和混合模型模拟结果比较。
The influence of coal characteristic indices such as caloricity, ash content, and water content on the coal handling system is discussed in the aspects of economy and reliability. 从经济性和可靠性角度分析探讨了煤的发热量、灰分、水分等衡量煤质的特性指标对输煤系统的影响。
To effectively and economically reduce the ash content of coal and raise the quality of coal products have become a commonly concerned problem. 如何经济而有效的降低煤炭灰分，提高煤炭产品的质量，已成为煤炭企业共同关心的问题。
In this study, the use of sand content in different proportion of clay to be compare with coal ash for study its engineering properties. 为进一步研究其材料工程性质，本研究使用人们较为熟悉的砂土以不同粉土含量的比例，与煤灰来作比较。
The content variation of four kinds of Huainan coal ash mineral under different temperatures was analyzed with X-ray diffraction (XRD). 摘要利用X射线衍射分析四种淮南煤在不同温度下煤灰矿物组成变化。
The influence of coal characteristic indices such as caloricity,ash content,and water content on the coal handling system is discussed in the aspects of economy and reliability. 煤质的好坏不仅影响到锅炉的燃烧工况调整、机组的安全运行和电厂的发电能耗,而且煤质和煤种的变化对输煤系统也有直接的关系。
An approach of data preprocessing was proposed in this paper.The approach was applied to process the original data of calorific value and ash content of coal. 提出一种数据预处理方法,并将它应用于煤炭发热量和灰分的原始数据预处理。
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。
Factors such as buried depth,volatile matter of raw coal,water content and ash content in raw coal can produce influence upon gas content to some extent. 分析认为:研究区煤层气含量各煤层差异性较大,埋深、原煤挥发分、原煤水分、灰分产率等因素对煤层气含量均有一定的影响。
The efficiency of the elimination of such minerals is measured by the ash content of the residual kerogen. 这些无机物的消除程度是用剩余油母质的灰分含量来测定的。
Micro organic compo-nent of coal was damaged,gelinite decreased,liptinite increased,ash content increased,calorific value reduced and volatile-matter content anomalous. 煤的灰分产率增高、发热量降低；挥发分产率异常。这些特征不仅与原地生成煤构成了明显对比，而且也揭示了这种异地煤的成因机理。
The most important characteristics for thermal coal include calorific value, sulphur content, ash content, moisture content and volatile matter content. 动力煤最重要的煤质指标是发热量、硫份、灰份、水份和挥发份。
During the coal blend in cokeoven plant,proportion of coking coal with high ash content was used to reduce the production cost and obtain better economic efficiency. 在配煤过程中,合理使用部分高灰焦煤进行炼焦,既可以降低配合煤成本,也可以取得较好的经济效益。