Sentence examples for face lengths from inspiring English sources

Based on a conveying capacity of 3000 t/h and a chain speed of 1.77 m/s, and the installed power of 2000 kW, the theoretical power consumption utilization was analyzed under the conditions of face lengths of 300, 250 and 207 m respectively (the actual length at the No. 8105 face in Tashan coal mine).

Male face lengths were significantly longer (p = 0.03) and face widths significantly wider (p = 0.005).

Subjects were randomly selected and included a range of face lengths and widths that ensured participants covered all four face groups derived from the NIOSH fit test panel [ 7].

Furthermore, Du and colleagues [ 29] suggested that the face lengths and widths of Chinese workers were shorter and wider, respectively, than those of Americans and that the nose protrusions of the Chinese workers were smaller than those of the Americans.

Women went for men who had their dad's nose and a similar jaw length to face length ratio.

The work rolls and backup rolls of large mills have diameters of 1.2 and 2.4 metres, respectively, and a roll face length up to 6 metres.

When the face length is 250 m (or the actual face length at No. 8105 face is 207 m), and the face dip is 0°, the power utilization is 78.6 % and 65%%, respectively, showing a large margin.

Seam depth is from −910.5 to −954.3 m, the extractable panel length is 181.8 m and face length is 220 m.

The calculation results showed that: when the face length is 300 m, and face dip is 0°, the power utilization reaches up to 94.3 %, power margin is small, which is only used in a flat or downhill face.

At the No. 8105 LLTCC coalface in Tashan coal mine, the face length is 207 m, the maximum cutting height is 5.0 m, and the cutting depth is 0.8 m.

12,407 working face stope uses approach of full-seam mining, longwall mining and caving type roof control, in which the mining height is 4.5 m, working face length is 300 m, the footage is 3,600 m, the average daily mining footage is 12 13 m and the monthly total footage is 390 400 m.