oxygen-deficient

His most recent work has demonstrated that nitrogen cycling in coastal waters could be significantly impacted by the ongoing human-induced changes (global warming and eutrophication-associated expansion of coastal oxygen-deficient zones).

Contributor: Wajih Naqvi 2010

With a background ranging from biogeochemistry to paleoceanography, Naqvi has carried out extensive research on the biogeochemistry of oxygen-deficient marine environments, especially denitrification and nitrous oxide cycling.

Contributor: Wajih Naqvi 2010

Under anaerobic (oxygen-deficient) conditions, deposited mercury undergoes biochemical change to become methylmercury.

Materials flow of mercury in the economies of the United States and the world USGS 2009

You can have an oxygen-deficient atmosphere with a low amount of carbon monoxide in parts per million.

CNN Transcript Aug 13, 2007 2007

The purpose of the bleeder entry is to ensure that any methane gas or oxygen-deficient air is bled out.

CNN Transcript Aug 13, 2007 2007

There is a slight concern, though, about the air that's being pumped in when they're drilling all these holes, whether it's oxygen-deficient or not.

CNN Transcript Aug 13, 2007 2007

Enhanced algae growth in the reservoir consumes the oxygen in the epilimnion and, as it decays, the mass sinks to the already oxygen-deficient hypolimnion, where decay processes reduce the oxygen concentration even further, resulting in acid conditions at lower levels and the dissolution of minerals from the reservoir bed.

Chapter 8 2000

Nobel Prize winner Dr. Otto Warburg said that cancer has only one cause—the replacement of normal oxygen respiration by oxygen-deficient respiration.

Jumpstart Your Metabolism Pam Grout 1996

Flourishing under oxygen-deficient conditions, the bacteria feed off toxic hydrogen sulphide, which is produced when organic matter degrades without oxygen.

TreeHugger 2010

Although aluminium is the most abundant metallic element in the Earth's crust, it is rare in its free form, occurring in oxygen-deficient environments such as volcanic mud, and it was once considered a precious metal more valuable than gold.

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