Wastewater Knowledge-10-25 (Answer +2, Correct Answer +4)
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This post was last edited by zhaolijun on 2015-10-27 08:54. Multiple-choice question: Dissolved oxygen is an important parameter in the self-purification process of water bodies; it can reflect （ ） in those water bodies. A. Oxygen consumption index B. Dissolved oxygen index C. Balance between oxygen consumption and dissolved oxygen D. Organic matter content
C. The equilibrium relationship between oxygen consumption and dissolved oxygen
Dissolved oxygen is an important parameter in the self-purification process of water bodies, as it can reflect (C) in those waters. A. Oxygen consumption index B. Dissolved oxygen index C. Relationship between oxygen consumption and dissolved oxygen D. Organic matter content
Dissolved oxygen is an important parameter in the self-purification process of water bodies, as it reflects the balance between oxygen consumption and dissolved oxygen in those waters.
C、-----------------------------------------------------------
Dissolved oxygen is an important parameter in the self-purification process of water bodies; it can reflect (D) in those water bodies.
A.............................
Multiple-choice question: Dissolved oxygen is an important parameter in the self-purification process of water bodies; it can reflect (C) in those water bodies. A. Oxygen consumption index B. Dissolved oxygen index C. Relationship between oxygen consumption and dissolved oxygen D. Organic matter content
Dissolved oxygen is an important parameter in the self-purification process of water bodies; it can reflect the (D) in those water bodies. A. Oxygen consumption index B. Dissolved oxygen index C. Relationship between oxygen consumption and dissolved oxygen D. Organic matter content
Dissolved oxygen is an important parameter in the self-purification process of water bodies; it can reflect the relationship between oxygen consumption and dissolved oxygen in those waters.
C. The equilibrium relationship between oxygen consumption and dissolved oxygen