查询词典 coal

In a word, the use of the pressure test observation, similar simulations, numerical simulation, theoretical analysis, and other means, analyzed systematic to the behavior of superincumbent strata in mining 45 degree coal seams using horizontal section top-coal caving ,and it is for the 45 degree coal seams safe, high-yielding, and high efficiency production of research is of great significance.

综上所述，本文利用现场实测、相似模拟、数值模拟、理论分析等手段，较系统地对45°煤层水平分段综放开采后的上覆岩层移动破坏规律进行了分析，对于45°煤层安全高产高效生产的研究具有重要的意义。

Because our country in present and a next long time, the coal resource is scarce, the transportation condition is intense, the coal price top digit movement, the coal electricity contradictory prominent pattern will not have big change this basic situation.

由于我国在目前和今后一个较长的时期内，煤炭资源紧缺，运输状况紧张，煤价高位运行，煤电矛盾突出的格局不会有大的变化这一基本情况。

Mine run coal; run-of-mine coal Ungraded coal of various sizes as it comes from the mine.

原煤，未经筛选的煤刚出矿的未分级、大小不等的煤。

Then according to the vicinal economic development objective and resources condition,this paper makes the strategic program of development and exploitation rationally on coal resource in order to ensure the need of sustainable and rapid development of Inner Mongolia\'s national economy.With the study on the development and exploitation strategy of Inner Mongolia\'s coal resource from the perspective of Space Economics,it\'s favorable to make certain the faced environmental problems on coal resource development of Inner Mongolia.

在世界经济一体化，资源全球化的趋势日益加深的今天，内蒙古为实现经济的可持续发展及建设小康社会的任务，必须认真分析本地区资源可供性形势，根据本地区的经济发展目标和资源状况，合理进行煤炭资源开发利用战略规划，以保障内蒙古国民经济可持续高速发展的需要。

The effects of particle sedimentation,solvent swelling,shear rate and measurement time on oil-coal slurry apparent viscosity measurement was studied and a rotary viscosimeter measurement method for oil-coal slurry viscosity was presented in this work,which provide a reference for measuring the oil-coal slurry viscosity in laboratory and factory.

考察了沉降速率、溶胀时间、剪切率、测定时间等因素对油煤浆表观黏度的影响，给出了采用旋转黏度计测量油煤浆表观黏度的方法，为实验室和工厂中油煤浆黏度的测定提供参考。

Research on Coal-forming Environment and Sequence Stratigraphy in Coal Measures Strata;2. The results show:1, there were the differences between the characteristics of the coalification between the Taiyuan Formation vitrain and the Shanxi Formation vitrain which were formed in differencial coal-forming environment s, and the differ.

结果表明：在高煤级煤早期阶段，形成于不同成煤环境的太原组煤与山西组煤的煤化特征仍有差异，在第三次煤化作用跃变之后这种差异逐渐缩小消失；高煤级煤分别以第三次和第四次煤化作用跃变为界，呈现出阶段性演化的特征，每阶段的演化机理有所不同；第三次煤化作用跃变中大分子结构的演化以芳构化作用主为，第四次煤化作用跃变则以强烈的环缩合作用占优势。

The paper analysed coal quality and washability of Mongolian coal in Coking Plant of Baotou Iron and Steel Group Corporation, and described the effects of ratio of cleaned coal on economic benefits and reasons of reducing ratio.

分析了包钢焦化厂入选蒙古煤的煤质及其可选性指标，叙述了蒙古洗精煤产率指标对经济效益的影响及产率降低的原因。

The research results indicated that the washabilities of coal in same coal facies are similar,the sedimentary environment controlled the quantity and distrbution of minerals,and thus controlled the coal washability.

研究表明，相同煤相不同煤的可选性相似，聚煤环境决定了煤中矿物的含量和赋存状态，同时也决定了煤的可选性。

In order to study the migration and removal characteristics of fluorine and chlorine in Guizhou Shuicheng coal,regressive release flotation and float-sink tests were carried out,during which the fluorine and chlorine content in the washed coal products analyzed,while the washability of original coal samples assessed.

通过分步释放试验和浮沉试验对贵州水城煤样进行洗选，得到不同的洗选产品，并进行了可选性评定。对不同产品中氟和氯的含量进行分析，研究了洗选过程中氟和氯的迁移和脱除特性。

In this paper,the basic feature of particle system is analysed,the property model of coal stream particle is established according to its characteristics and moving mode,and the coal stream movement is simulated with particle system,which plays an important role in assuring the fidelity and integratity of 3D virtual coal washery scene.

本文分析了粒子系统的基本特征，根据选煤厂中煤流系统的特点和运动形式，建立了煤流粒子的属性模型，用粒子系统实现了煤流运动的模拟，对保证选煤厂三维虚拟场景的逼真度和完整性具有重要意义。

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。