查询词典 coal

And then we do many experiments about using different fineness of unblended coal and coal blending to coking,and get some results of the effects of coal fineness on coke strength to provide a reliable reference for coking production.

根据我厂一、二炼焦用煤的细度不一，焦炭质量有明显的差别，进行了单种煤和配合煤不同细度的炼焦试验，了解不同细度煤对焦炭强度的影响，为炼焦生产提供可靠的参考依据。

It is clear that the coal combustion efficiency is significantly reduced if uncombustible material is dryly mixed with pulverized coal and the more the uncombustible material added the lower the coal combustion efficiency is.

试验表明，简单采用干粉混合的方法添加不可燃粉料恶化了煤粉的燃烧条件，随添加量增加影响加剧。添加粉料中，白云石粉对煤粉燃烧率影响最大。

In order to solve the safe mining question of the coal seam unmined which is in the second level in Xiaonan coal mine, took the No. 14 coal seam as an example and analysed the geologic agent systematically which influence the gas hosting.

为了解决晓南矿二水平未开采煤层的安全开采问题，以14号煤层为例，系统地分析了影响瓦斯赋存的地质因素。

The study of gas content and influencing factor of the coal seam unmined is an important fundamental research. We take the 14(superscript #) coal seam of Xiaonan coal mine of Tiefa basin as an example and analyse the geologic agent systematically which influences the gas content.

未开采煤层瓦斯含量及影响因素研究，是煤矿安全生产的重要基础研究工作，以铁法盆地晓南矿未开采的14煤层为例，系统分析了影响瓦斯含量的地质因素。

In order to prevention, control and extinguishing underground fires effectively, through the application of nitrogen injection for coal mine fire prevention, this paper discussed a very valuable and practical technology that nitrogen injection for fire control and prevention in coal mine well, it can be used for the prevention of coal spontaneous combustion, fire control and stifle the fire zone, controllable sealing and unsealing fire area.

为了有效预防、控制和扑灭井下火灾，通过煤矿对注氮防灭火的实践应用，认为以注氮为主的防灭火是井下预防火灾和减少火灾损失的一种非常有价值和实用的技术，它可用于煤矿自燃发火的预防、火势控制、窒息火区、可控制的缩封和启封火区。

In oxygen deficient high temperiture combustion, the amount of volatic material evolved influene the conversion of sulfur in coal, high volatile content restrains the oxidation of pyrite and iron sulfide , which causes compavatively large amount of iron sulfide left in char. At the condition of air coefficient α=0.4, the sulfur conversion is up to 87% for SHONGZHAO anthracite coal, 72% for FORGCHANG bituminous coal, and the conversion is compeleted within 0.5 see.

在高温贫氧状态下燃烧，煤中硫的释出率高于煤的燃烧率，高挥发份将抑制黄铁矿的氧化释放出来，即影响煤中硫的释出率，在过量空气系数为40％时，松澡无烟煤能达到87％的硫的释出率，丰城烟煤达到72％的硫的释出率。

The thesis still combines the example that full-automatic coal ploughs from Germany are successfully used in Xiao Nan coal mine, talks about the application and management of coal plough under normal and special producing conditions.

论文还结合德国进口全自动化刨煤机在晓南矿成功应用的实例论及了刨煤机在正常生产及特殊条件下的应用和管理。

The organic facies are researched in the region, the result indicated: coal rock is mainly the better hydrocarbon source rock and has better latent capacity of producing oil and gas. Feature of reservoir was analyzed, the result indicated: from south to north of along qiguang fault, the depth of coal bed augments inch by inch; the coal bed thickness accretes at first and then decreases until steady.

通过对研究区的煤岩有机相特征的研究，得出：煤岩主要为较好烃源岩，具有较好的生油气潜力；分析了煤储层特征，结果表明：在垂直齐广断裂由南往北方向上，煤层埋深逐渐增大；煤层总厚度先增大后减小至稳定。

The large quantity of input to the comprehensive coal mining equipments leads to the booming of the coal mining equipment market,and the brutalizing of competition in medium and low grade coal mining equipments.

煤矿综采设备的大量投入，煤机市场走热，中低端设备市场竞争激烈，高端设备较为短缺，用户亟需适用性好、性价比佳的设备。

In order to realize the pre-mixed water jet flow ultra fine coal comminuting devices automatic control, raises the fine coal of smashing efficiency and the product quality, designed the pre-mixed water jet ultra-fine coal comminuting configuration monitoring system.

摘 要：为实现前混合水射流超细煤粒粉碎装置的自动控制，提高煤粒粉碎效率和产品质量，设计了前混合水射流超细煤粒粉碎装置的组态监控系统。

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。