However, TOC values theoretically representatives of the postulated Toarcian Oceanic Anoxic
Event, defined by the deposition of black shale facies (Jenkyns and Clayton, 1986, 1997; Jenkyns et al, 2002; Jenkyns, 2010), are generally below 1wt.
Without the photosynthetic activity of the phytoplankton, all of the oxygen produced during the day is consumed by heterotrophic organisms and, the ponds become anoxic
The part of raw carbon sewage from influent is utilized for upstream denitrification in the pre anoxic
chamber, before reaching the oxidation chamber, while the downstream denitrification utilizes endogenous carbon source from the aerobic process [6, 20].
Although delayed post-hypoxic leukoencephalopathy is considered rare, consider it in the differential diagnosis when a patient has a recent history of an anoxic
event followed by the abrupt onset of neuropsychiatric symptoms.
During the OAEs, the anoxic
water body often expanded and invaded the lower part of the photic zone.
1], whereby the aerobic and anoxic
phases were formed at upper and lower zone, respectively.
phase was also of great importance for the good performance of the SBMBR with regard to the removal of total nitrogen, as show in Figure 5.
which is related to the global oceanic anoxic
event during the peak of transgression in the Early Jurassic .
Case Presentation: Reflex Anoxic
Seizures and Anaesthesia
The boy, who had a history of drug abuse, died 8 hours later of anoxic
encephalopathy caused by cocaine and opiate intoxication.
Known as oceanic anoxic
events (OAEs), nave occurred periodically during Earth's history, but none was more severe than that which occurred 93 [million years] ago, during the Cretaceous period,' wrote Timothy J Bralower of the Department of Geosciences at Pennsylvania State University in a 2008 article for Nature.
An airway was reestablished by urgent tracheostomy but not before he suffered an anoxic