coal dust造句1 Matthew scrubbed the coal dust from his face.
2 Many miners have suffered from the effects of coal dust in their lungs.
3 Coal to heat coal dust, using a spirit burner.
4 Wilson had grown up black with coal dust.
5 A lever lid tin was used to heat coal dust, using a spirit burner.
6 His face was still covered in coal dust and he looked anything but a gent.
7 For some of the women, selling the coal dust provides their only income to feed their families.
8 Campaigners claim deposits of coal dust released into the atmosphere are a health hazard and a nuisance.
9 Coal dust exposure is an occupational hazard for coal miners.
10 Coal worker's pneumoconiosis results from inhalation of coal dust.
11 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.
12 The explosion pressure of coal dust is increased with the coal dust size decreased.
13 A specially-designed addition agent is used instead of coal dust in green molding sand for the trial production of impact molding line made by GF company.
14 As the coal dust concentration increase, the maximum explosion pressure and maximum rate of pressure rise go up first then go down.
15 The harmful coal dust was produced during coal transportation by using belt conveyor coal preparation plant.
16 Therefore, it is very important to analyze the coal dust production during roadway driving and formulate reasonable safety check table.
17 Three kinds of leakage proof measures for coal dust fan are introduced.
18 His face and hands were coverd with grime from the coal dust.
19 The air is so black with diesel fumes and coal dust, I can barely see.
20 Jeff even carried out trial runs using rockets stuffed with coal dust.
21 Organic compounds including a number of carcinogenic polycyclic aromatic hydrocarbons are also present in coal dust.
22 Though it is not yet the coal regions, the trees feel darkened by coal dust.
23 The blast, 610m below ground, is thought to have been caused by a mix of coal dust and methane gas.
24 Another study has shown a positive association between gastric cancer and exposure to coal dust in those miners who smoked.
25 He was kneeling before the fire, his hands and face black with coal dust.
26 This product is a new kind of kiln lining materials made with coal dust ceramisite.
27 This paper analyzes the relations between the tenency of coal self-ignite and the risk of coal dust detonating with concrete examples.
28 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.
29 His face and hands were covered with grime from the coal dust.
30 Results shown that there is an ideal dust loading for coal dust explosion, and the explosion pressure of coal dust is maximal on this ideal dust loading.