The problem of methane or coal dust in a mine's air is relatively easy to solve.
沼气或者煤渣的问题解决起来相对容易。
At Linfen, residents have said they literally choke on coal dust in the evenings.
临汾的当地居民说，到了晚上，煤尘让他们几乎窒息。
Black lung is a coal miner's disease caused by the frequent inhaling of coal dust.
黑肺是一种由经常吸入煤尘引起的煤矿矿工疾病。
The tunnels are filled with exhaust emissions, coal dust and the roar of blasting.
隧道里充满着排出的废气、煤尘和爆破声。
He was covered from head to toe in coal dust, like a miner coming up from the pit.
他从头到脚全是煤灰，就象一个矿工刚从坑道里出来一样。
A block of compressed coal dust, charcoal, or sawdust and wood chips, used for fuel and kindling.
煤砖，炭砖把煤灰，木炭或锯木灰和木片压缩制成的砖块状物，用作燃料和点火。
The coal dust image is often corrupted by all kinds of noises during acquisition or transmission.
煤尘图像在采集和传输过程中受到了各种噪声的污染。
The incident also could have been caused or exacerbated by coal dust, which is equally combustible.
这起灾难也可能是由于煤渣引起的，煤渣也同样易燃。
She called down something about coal dust and sawdust, someone called back up to her, and she laughed.
她朝楼下说了一句煤灰和锯屑的话，有个人回了她一句，她发出笑声。
Expansion joints located in ducts conveying coal dust shall be designed to withstand a vented explosion.
位于传输煤炭粉尘的风管的伸缩接头(膨胀节)的设计应当能够承受排气爆炸。
The frequent gas and coal dust explosion accidents in coal mine is a big threat to the life and property.
我国煤矿频繁发生的瓦斯、煤尘爆炸事故给人民的生命和财产安全带来了严重的威胁。
The windblown dust from the Loess Plateau, along with a layer of local coal dust, had settled on her shoes.
风带来了黄土高坡的尘土，掺杂着一层当地的煤粉，落在了她的鞋上。
In the rugged south of Shanxi province, the water in the mountain streams was now black with coal dust and undrinkable.
在崎岖的山西南部，山里的水已经不能喝了，黑乎乎的跟煤混在一起。
The explosion characteristics of pure coal dust and coal-methane mixtures were studied experimentally in this paper.
本文就此针对纯煤尘和煤尘-甲烷混合物的爆炸特性进行了实验研究。
Material is cement, sand, coal dust, high pressure molding, need not sinter. The product with good strength, colourful.
原料由水泥、黄砂、粉煤灰组成，高压成型无需烧结，成品瓦强度高、色彩丰富。
This paper introduces coal dust producing reason, ZPW type coal dust prevention device structure and working principle.
介绍了煤尘产生的原因，ZPW型灭尘装置的组成及工作原理。
The threshold motion of nonuniform sediment is discussed by the experiment of nonuniform coal dust for threshold motion.
在非均匀煤屑起动试验的基础上，对非均匀沙粗化过程中的起动作了探讨。
The density control of gas and coal dust is done through optimal allotment of the ventilation quantity in the coal mine well.
煤矿井下瓦斯和煤尘的浓度控制是通过煤矿井下通风量的优化分配实现的，是实现煤矿安全生产的关键环节。
It's suffused with a thick smog that's a perpetual sulphur-yellow, and suffocated by motes of coal dust suspended in the breeze.
它弥漫着一层永远都是硫化黄色的浓雾，微风里浮着的煤尘微粒让人窒息。
Miners are finished extracting coal here, and the sides of the tunnel have been sprayed with quicklime to suppress explosive coal dust.
矿工们已经完成了这里的煤炭开采，坑道两壁都喷上了生石灰以防止煤尘爆炸。
The content of coal dust is high below the coal mine, and it is great harmful to the health of worker body and security of production.
煤矿井下煤尘含量高，对工人的身体健康和安全生产构成的危害大。
The combustion process of gas with coal dust or gas with different obstacles in fire-accelerating pipelines has been experimentally studied.
在火焰加速管中，对不同障碍物情况下的纯瓦斯、有沉积煤尘的瓦斯燃烧过程进行了实验研究。
The comprehensive utilization condition of powdered coal dust is introduced, and the effect is that the pollution of the environment is reduced.
介绍了对粉煤灰的综合利用情况，减少了粉煤灰对环境的污染，收到了良好效果。
And I've been worried for a long time about the coal dust that comes off the coal-piles in the winter. They dump it off the trucks near my apartment.
我还一直担心冬天从煤堆上飘起的煤屑，他们就在我家旁边把煤从卡车上卸下来。
Coal miners far and away have the highest mortality rate from pneumoconiosis, or black lung disease, which is cause by long-term exposure to coal dust.
尘肺和黑肺病都是因长期接触煤尘所致，那煤矿工无疑是由这两种病导致的死亡率最高的人群。
The activity of acid phosphatase (ACP) in lung macrophages of rats with coal dust ingestion was observed by cell chemical method and by image analyser.
利用细胞化学方法，通过图象分析仪，对吞噬煤尘后的肺巨噬细胞内酸性磷酸酶活性进行了定量观察。
Stray current in coal mine underground is an important factor caused gas and coal dust explosion, which seriously threatened safety production in mines.
煤矿井下杂散电流是引起瓦斯、煤尘爆炸的一个重要起因，严重威胁到煤矿的安全生产。
Massive fans at many mines make it feel like you are standing in a wind tunnel. Coating the walls with limestone also can dampen the effects of coal dust.
许多矿井都设有大型风扇，运转起来，就好像你站在的大风口处，此外，在墙上覆盖一层石灰石也能降低煤渣效应带来的危害。
Characterization is made of two coal dust samples and several types of coal dust restrainer have been developed based on surface behavior of dust particle.
对采自神华集团选煤厂的两个煤尘进行了性质表征，并基于其表面性质特点开发出了几种抑尘剂。
Characterization is made of two coal dust samples and several types of coal dust restrainer have been developed based on surface behavior of dust particle.
对采自神华集团选煤厂的两个煤尘进行了性质表征，并基于其表面性质特点开发出了几种抑尘剂。
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