Study on Change Rules of Factors Affecting Gas Loss during Coalbed Air Reverse Circulation Sampling

<div>The experimental system. (a) Schematic diagram of the experimental system. (b) Physical map of the experimental system: ① Conveying pipeline. ② Particle analyzer. ③ High-speed camera. ④ Bunker. ⑤ Concentrator.</div>

Advances in Civil Engineering

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Figure 1

Figure 1: Study on Change Rules of Factors Affecting Gas Loss during Coalbed Air Reverse Circulation Sampling 