Figure 4 | Scientific Reports

Figure 4

From: Emissions of ammonia and hydrogen sulfide from typical dairy barns in central China and major factors influencing the emissions

Figure 4

Cow barns. (a) A picture of a typical dairy barn; (b) The diagram of ventilation through a bell tower shaped roof; (c) Axial fans and the sprinkler cooling system. Each barn has several axial fans installed 3 m above the floor, while the spraying device was installed 2 m above the floor, which could spray water droplets of 10 μm in diameter.

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