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Coal dust

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Coal dust是什么意思
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词义:

释义

煤炭粉末;

英英释义

Coal dust

Coal dust is a fine powdered form of coal, which is created by the crushing, grinding, or pulverizing of coal. Because of the brittle nature of coal, coal dust can be created during mining, transportation, or by mechanically handling coal.

以上来源于:Wikipedia

用法:

双语例句

用作名词(n.)

He carried out trial runs using rockets stuffed with coal dust.
他用填满煤粉的火箭式烟火装置来进行试验。

Experiments on coal reburning were carried out on an entrained flow reactor.
在煤粉携带炉上进行再燃实验。

权威例句

Coal dust explosibility

Coal dust/air explosions in a large-scale tube

Silica, some silicates, coal dust and para-aramid fibrils

Effects of coal dust on photosynthetic intenseness of some fruit vegetables

Mechanisms and mediators in coal dust induced toxicity: a review.

Mechanisms and Mediators in Coal Dust InducedToxicity: a Review fn1

Dry mechanical conveyor plant for pyrites and coal dust

The effects of coal dust on photosynthetic performance of the mangrove, Avicennia marina in Richards Bay, South Africa

A statistical analysis of coal mine accidents caused by coal dust explosions in China.

Synthetic fuel comprising coal dust, water and a reactive organic compound, and a process for making such synthetic fuel
造句:

1. The air is so black with diesel fumes and coal dust, I can barely see.

天空由于充满柴油机的浓烟和煤灰而如此黑,我几乎看不见。

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2. The miserable Toad, crouching in the coal-dust, tried hard to think of something to do, with dismal want of success.

可怜的托德蜷缩在煤尘里,拼命想主意,可是苦于想不出来。

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3. 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。

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4. 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。

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5. The ground is cold and moist, with the chill factor amplified by ventilation fans used to blow fresh air into the mine, and the sprinkler that keep the coal dust down.

因为有通风设备往里面输送新鲜空气,还有洒水器不断地给煤浇水以降温,所以地下既阴冷又潮湿。

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6. 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。

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7. 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。

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8. 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。

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9. 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。

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10. 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。

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11. 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。

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12. 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。

youdao

13. 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。

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14. 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。

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15. 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。

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16. They operate in an environment thick with coal dust, and problems usually start when this dust finds a route past protective seals and enters the bearing, causing it to fail prematurely.

他们经营的环境中厚与煤尘和存在的问题时,通常会开始发现这个尘埃的路线过去保护海豹和进入轴承,造成过早失败。

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17. Coal worker's pneumoconiosis results from inhalation of coal dust.

煤炭工人的煤尘肺是由吸入煤矿粉尘引起。

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18. 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。

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19. 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。

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20. 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。

youdao

21. He became ill after breathing coal dust for many years.

他因多年的吸进煤灰而生病了。

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22. He became ill after breathing (in) coal dust for many years.

因常年吸入煤粉,他病了。

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23. The relations between the maximum explosion pressure, the maximum quantity of draw-off heat and coal dust concentration, methane concentration were calculated.

分别推导出粉尘爆炸放热量和最大爆炸压力与煤尘浓度、甲烷浓度等影响因素的关系。

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24. He became ill after breathing in a lot of coal dust for many years.

多年来他吸入了大量煤尘,后来他得了病。

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25. Histologically, the characteristic lesion of CWP is the so-called coal macule, which consists of a focal accumulation of coal dust surrounded by a small amount of fibrous tissue.

在组织学上,特征性的煤尘肺损伤被称为“煤斑”,包括少量纤维组织及其包裹局灶性的煤尘沉积。

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26. 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。

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27. 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。

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28. 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。

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29. 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。

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Coal dust

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