系统地分析了条带开采中煤柱稳定性问题。
A systematic analysis of pillar stability in strip mining was made. It suggest that a.
江西中煤建设工程有限公司成立于2001年。
In Jiangxi the coal construction project Limited company was founded in 2001.
总结了型煤技术基础理论中煤的粘结机理、几种成型假说;
Summarized are the binding mechanism, one of the fundamental theory of briquette technology, and several briquette hypotheses;
在水煤浆燃料的制备过程中,水煤浆中煤粒的粒度分布至关重要。
During the preparation of coal-water slurry fuel, the particle-size distribution of coal-water slurry is extremely important.
超前钻孔是煤与瓦斯突出矿井中煤巷掘进工作面的局部防突措施之一。
Advancing hole is one of local prevent outburst measure at coal road heading face in coal-and-gas outburst mine.
对不同的煤种加入不同的水量,可以有效地消除运输中煤粉对环境的污染。
Adding different quantity of water to different quality of coal can effectively eliminate environmental pollution by coal powder produced in the course of coal handling.
试验结果表明,该工艺可以从高灰中煤中分选出灰分低于12.00%的精煤。
The test results show that the concentrate with ash content lower than 12.00% can be separated from high ash middling using this process.
电厂煤粉管道中煤粉浓度和细度对锅炉燃烧、污染排放及安全运行有很大影响。
The concentration and size of pulverized coal in pneumatic transportation pipe in power station are of great influence on the efficient, emission and operating safety.
掌握煤粉锅炉一次风管中煤粉浓度的分布情况,对提高锅炉效率有很重要的意义。
The concentration distribution of pulverized coal in primary air pipe is very important for advancing efficiency of boiler.
分析了不同放煤步距、顶煤块度对放煤过程中煤矸砂流动形态、混矸程度的影响。
The effects of different drawing intervaland top-coal fragmental size on flow character of coal-gangue and sand, and on mixed degree of coal and gangue were analyzed during drawing top-coal.
介绍了中煤集团平朔矿区的煤层、煤质情况以及各选煤厂的洗选配煤设施及处理能力;
Introduced were coal seams and quality in Pingshuo mine region of Zhongmei Group and its coal blending and cleaning facility and capacity;
锅炉中煤粉的燃烧过程是非常复杂的悬浮燃烧,炉膛火焰监视必须克服监视图像的噪声。
Combustion of powdered coal in furnace is a very complicate suspension firing process. Noise interference must be overcome to achieve clear image of flame monitoring system.
作为煤炭直接液化技术中煤浆制备单元的关键装备—媒浆混合槽的作用也显得越来越重要。
As the key equipment of coal slurry preparation unit coal slurry mixing tank plays a significant role in coal direct liquefaction.
论述了煤体与岩体的受热破坏特性,对露头煤层自燃火灾中煤岩体的热破坏机制进行了定性分析。
This paper introduced the characteristics of thermal breakage of coal and rock, and analyzed its mechanism on coal spontaneous combustion.
通过正交试验研究了白腐真菌在煤炭降解转化过程中煤样粒度、菌液用量、降解作用时间等各因素对其降解率的影响。
The influence of coal granularity, quantity of white rot fungus liquid, and time of degradation on biodegradation percentage was studied by orthogonal test.
证券日报消息,据中国神华和中煤能源近日先后发布的9月份生产数据显示,两大煤企9月份的煤炭销量均有所增加。
SECURITIES DAILY news, according to the September production data recently released from SHENHUA GROUP and ChinaCoal, the coal sales of the two major coal enterprises in September both increased.
采用SWOT分析法,对中煤江南公司的自身优势和劣势、外部机遇与威胁进行了系统分析,并构建了SWOT矩阵。
A SWOT analysis method is used to analyze China Coal Jiangnan Company's strengths and weaknesses, opportunities and threats outside the system, and a SWOT matrix is build.
介绍了梅山高炉喷吹煤粉的计量控制原理,采用动态修正因子技术,通过调节煤流因子和改变喷吹煤种,解决了喷吹计量中煤流计计量不准的问题。
By adopting dynamic correction factor, adjusting coal flow factor and changing the kind of coal, the accuracy of measurement with SWR engineering DensFlow was improved.
充分利用煤颗粒在自由落下床反应器中停留时间短的特点,直接用空气做载气,对自由落下床反应器中煤在氧化性气氛下的快速热解行为和硫的变迁进行了研究。
Considering the very short particle residence time in the free-fall reactor, air was directly used as carrier gas to study the fast pyrolysis and sulfur evolution of coal under oxidizing atmosphere.
你可能知道矿井在地下,人们能从矿井中挖出煤和其他有价值的东西。
You might know that a mine is a place underground where people get coal and other valuable things.
高硫煤燃烧过程中的二氧化硫的排放是受到法律限制的。
The emission of sulfur dioxide when high-sulfur coal is burned is restricted by law.
发现了亚烟煤中汞与潮煤的潜在相关关系。
The potential correlation between mercury and Chaoite in Alberta sub-bituminous coal was found.
另一个显示的是货运站,那里有长长的一排矿车,运送机正以一吨每秒的速度自动将煤装入矿车中。
Another shows the rail depot, where a long line of carriages is filled automatically from conveyors at the rate of a tonne a second.
浮尘中含有的铀有时会溶入煤电厂周围的土壤和水体中,影响农田,进而影响食物。
Fly ash uranium sometimes leaches into the soil and water surrounding a coal plant, affecting cropland and, in turn, food.
在一般的煤的样板中,石英和其他矿物质的含量是相当低的。
In normal coal samples, quartz and other minerals are found only in trace amounts.
到18世纪末、19世纪初,人类开始使用从蒸汽和煤中获得的能量,用以驱动机器,继而导致物品的大规模生产,一派欣欣向荣的景象。
Starting in the late 18th and early 19th century, humans harnessed the power of steam and coal to run machines, and the result was an explosion of material abundance.
千万年以来,人类的主要燃料是木头,燃烧木头的过程中,碳和氢的比率是10比1。相比较而言,煤在燃烧过程中这个比率是2比1,而石油的比率则是1比2。
Humanity's main fuel for eons was wood, which has a carbon-to-hydrogen ratio of 10 to 1 when burned; by comparison, that ratio is 2 to 1 for coal and 1 to 2 for oil.
不过,鉴于世界范围内都依赖煤炭发电,在可预见的未来中,大量的煤仍有可能被使用。
But given the worldwide reliance on coal to generate electricity, it is likely that large quantities of coal will be used for the foreseeable future.
第一种是热能煤,一中新兴国家用来发电的最便宜也最受欢迎的煤。
The first is for thermal coal, the cheapest and most popular way for emerging economies to produce electricity.
第一种是热能煤,一中新兴国家用来发电的最便宜也最受欢迎的煤。
The first is for thermal coal, the cheapest and most popular way for emerging economies to produce electricity.
应用推荐