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【简答题】
We have tested a plant's emissions of particulates and found the following data: Sample number Stack velocity, ft/s Particle concentration, g/m 3 1 2 3 50 60 40 0.50 0.30 0.70 Each sample represents the average over a 20-min period. What was the average particle concentration in this stack over the whole 60 min of this test?
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A.
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B.
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C.
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D.
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E.
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A.
呼吸性碱中毒
B.
重度代谢性碱中毒
C.
中度代谢性酸中毒
D.
呼吸性酸中毒
E.
重度代谢性酸中毒
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A.
呼吸性碱中毒
B.
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C.
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D.
呼吸性酸中毒
E.
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