Oxygen respiration and

Poisonous-gas fires First use the proper self-contained oxygen respirator and then select a proper fire extinguisher. If the fire goes beyond control of the available fire extinguishers, get out of the room immediately. Close the door to prevent drafts and gas spread. 

Reeburgh et al. (1993) estimated the global methane flux in marine sediments to a mean value of 70 Tg yr or 0.5 10 mol CH yr. This is equivalent to 2% of the entire organie earbon mineralization via oxygen respiration and about 7% of the global sulfate reduetion. A more recent estimate by Hinriehs and Boetius (2002) of AOM... 

Treatment for acute exposure to benzene vapor involves removing the subject from the affected area, followed by artificial respiration with oxygen intubation and cardiac monitors may be necessary for severe acute exposures (125,127). Because of its low surface tension, benzene poses a significant aspiration hazard if the liquid enters the lungs. Emesis is indicated in alert patients if more than 1 mL of benzene per kg of body weight has been ingested and less than two hours have passed between ingestion and treatment (127). 

The common indices of the physical environment are temperature, pressure, shaft power input, impeller speed, foam level, gas flow rate, liquid feed rates, broth viscosity, turbidity, pH, oxidation-reduction potential, dissolved oxygen, and exit gas concentrations. A wide variety of chemical assays can be performed product concentration, nutrient concentration, and product precursor concentration are important. Indices of respiration were mentioned with regard to oxygen transfer and are particularly useful in tracking fermentation behavior. Computer control schemes for fermentation can focus on high productiv-... 

The Costs of Locomotion. Because oxygen is required for energy-producing metabolic reactions (respiration), there is a direct correlation between the amount of oxygen consumed and the metabolic rate. Not surprisingly, metabolic rates increase with activity. During exercise, a person will consume fifteen to twenty times more oxygen than when at rest. 

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