查询词典 coal-black

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。

In the light of the Characteristics of high gas content in underground coal body,coal disenthralling the gas and gas accumulating in Sihe Coal Mine,this paper introduces KJ99 gas monitoring and controlling system ,and analyzes on the application effect of KJ99 gas monitoring and controlling system .

针对寺河矿井下煤体瓦斯含量高、煤炭释放瓦斯及瓦斯积聚的特点，介绍了KJ99瓦斯监测监控系统，分析了KJ99瓦斯监测监控系统的应用效果。

In the light of the hidden dangers existing in the back production of comprehensive mechanized coal mining face, this paper advances the scheme of reinforcing the fragmentized coal body around the geological structure to assure the smooth completion of the back production of coal mining face.

针对综放工作面回采过程中存在的安全隐患，提出采取对构造周围破碎煤体进行加固的方案，以保证工作面的顺利回采。

In the light of the fragmentized coal body in 2315 comprehensive mechanical coal mining face of Chengzhuang Coal Mine, this paper applies the grouting solidifying technology with Malisan N to solve successfully the difficulties existing in the ceiling management in the stoping process.

对成庄矿2315综放工作面中的破碎煤体应用马丽散N注浆固化技术，成功解决了回采过程中顶板管理存在的一系列困难。

To investigate the distribution and content of polycyclic aromatic hydrocarbons in raw coal and gasified products during coal gasification, the air and steam gasification of coal was tested in an atmospheric fluidized bed gasifier.

为了研究煤及其气化产物中多环芳烃的分布特徵，在一台小型常压流化床气化炉上进行了以空气和水蒸气为气化剂的煤气化试验。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。