Dissolved Oxygen (Do)

Science / Chemistry / Dissolved Oxygen (Do): The amount of oxygen dissolved in a solvent (usually water). Dissolved oxygen levels are used as a general indicator of water quality.

Biochemical Oxygen Demand (BOD)

Business / Agriculture / Biochemical Oxygen Demand (BOD): A measure of the amount of oxygen consumed by natural, biological processes that break down organic matter, such as those that take place when manure or sawdust is put in water. High levels of oxygen- MORE

Oxygen Dissociation Curve

Science / Marine Biology / Oxygen Dissociation Curve: A curve showing the percent saturation of a blood pigment, such as hemoglobin, as a function of oxygen concentration of the fluid MORE

Oxygen Minimum Layer

Science / Marine Biology / Oxygen Minimum Layer: A depth zone, usually below the thermocline, in which dissolved oxygen is minimal MORE

Oxygen Technique (Primary Productivity)

Science / Marine Biology / Oxygen Technique (Primary Productivity): The estimation of primary productivity by the measurement of the rate of oxygen increase MORE

Oxygen (O2)

Science / Weather / Oxygen (O2): A colorless, tasteless, odorless gas that is the second most abundant constituent of dry air, comprising 20.946%. MORE

Oxygen

Science / Chemistry / Oxygen: Element 8, atomic weight 15.9994, a colorless, odorless gas that makes up about 1/5 of the earth's atmosphere and (in combined form) 8/9ths of earth's oceans and almost half of the earth's crust. The MORE

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