查询词典 coal

In the drivage of the coal drift in the Zhangji coal mine, most of the coal drift is revealed to be composite roof.

张集煤矿在煤巷掘进中，多数巷道揭露为复合顶板，岩性为泥岩，厚度为0。

Ventilating system of this coal mine is of from center place to corner. The main drivage face and coal face of this coal mine converge in mine section 66. There are so many ventilating equipments and ventilating ways are so long in mine sections.

本文以井亭矿66回采面为研究对象，井亭煤矿目前的通风系统属中央分列式通风，矿井的主要采、掘工作面集中布置在66采区，采区内通风设施多，通风线路长。

Then, gasification experiments of high ash melting point coal with dry pulverized coal feeding were carried out on the gasification test system, the flame images were observed to validate the feasibility of flameless gasification inside the gasifier, temperature distributing inner the gasifier and syngas components were measured under different / atom ratio and steam/coal ratio conditions.

进而，建立煤粉气化炉的物理和数学模型，运用概率密度函数方法对高灰熔点煤在基于无焰氧化的煤粉气化炉内的气化过程进行了模拟计算，参照小试的试验工况，验证了气化炉模型；分析了不同氧碳原子比、蒸汽煤比和气化压力对高灰熔点煤气化特性的影响，并可视化地研究在典型工况下高灰熔点煤在该气化炉中气化过程，为进一步炉型结构和气化工艺的优化设计提供依据。

The miner took on nearly $10 billion in debt last year to buy Fording Canadian Coal Trust, which made it a top producer of metallurgical coal, or coal used in the steelmaking process.

矿工上了近100亿美元的债务去年购买涉水加拿大煤信托，这使得它的最高生产冶金煤，或煤用于炼钢过程。

By flotation experiment of coal slurry water, the influence of concentration of coal slurry water on floatation results in practice was illuminated, and the important significance of the study on the frother specialized in the recovery of coarse granule powdered coal was proposed.

通过浮选柱煤泥浮选试验说明了煤泥水浓度在实际生产中的影响结果，提出研究生产专门针对用于浮选柱浮选的起泡剂对浮选柱回收粗颗粒粉煤的重要意义。

Because of a high groundwater level and a strong erosion action, the coal formed in a low peat swamp is great in gelatification index and in groundwa ter index, which are in a negative correlation to the ratio of clean coal recove ry. While for the high peat swamp, IG and IGW are small, corresponding to a high ratio of clean coal recovery.

低位泥炭沼泽由于潜水位较高，水流对泥炭沼泽表面的改造和冲刷作用较强，形成的煤层具有较高的凝胶化指数和地下水流动指数，并且与精煤产率呈负相关，煤中粘土矿物和黄铁矿难以洗选；高位泥炭沼泽形成的煤层具有较低的凝胶化指数和地下水流动指数，泥炭积累速度较快，其精煤的产率较高。

In accordance with the case of large mining depth in Xingdong coal mine, study on coal floor strata failure depth test of working face 2121 was carried out by water injection test. According to variation of unit injection quantity and distance between testing boreholes and working face advance, coal floor strata failure depth was determined by continual water injection and intermitted monitoring.

摘要： 针对邢东矿大采深的情况，利用现场底板注水试验对2121工作面底板采动破坏深度进行了测试研究，依据单位注水量的动态变化以及注水孔与采线之间的距离关系，确定了底板破坏深度。

To explore a high efficiency coal-water slurry dispersant suitable for Shenhua coal,in this study,the modified sodium lignosulphonate(GCL3S) is synthesized and the effect of GCL3S on the performance of CWS from Shenhua coal is studied.

为了开发一种适用于神华煤制浆的高效水煤浆分散剂，对木质素磺酸钠进行了化学改性实验，研究了改性产品GCL3S对神华煤制浆性能的影响。

The difference between temperature range of pyrolysis, peak temperature, weight loss rate of coal and waste plastics and the amount of metaplast of coal influence the synergism between coal and waste palstics significantly.

共热解中废塑料与煤的协同作用受煤与废塑料二者之间的热解温区、失重峰温、失重速率的重叠程度及煤所形成的胶质体数量的影响。

Studies of longitudinal and horizontal distribution of coal reservoir ,macroscopic petrographic types,microcosmic petrographic component,pore configuration and permeability,vitrinite reflectance as well as absorbability in coal-bearing formation of Neopaleozoic in Shenmu area of the Ordos Basin indicate that,coal beds are thicker in the east and west,but thinner in the north and south.

通过对鄂尔多斯盆地神木地区上古生界含煤岩系中煤储层的纵横向分布、宏观煤岩类型、微观煤岩组分、孔隙结构与渗透性、镜质体反射率和吸附性能等方面特征的研究，认为：煤层总厚呈东西厚、南北薄的分布特点，煤层厚度满足煤层气开发的要求；多为半亮煤，仅东部边缘地带以半暗煤为主，表现为低含水、中等灰分含量和高挥发分含量的烟煤；煤岩显微组分中，镜质组含量最高，其次为惰质组；孔隙类型以微孔、过渡孔为主。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。