Adsorption of methane and several mixtures of methane and carbon dioxide at elevated pressures and near ambient temperatures on 5A and 13X molecular sieves by tracer perturbation chromatography

AIChE Journal ◽  
1980 ◽  
Vol 26 (4) ◽  
pp. 616-625 ◽  
Author(s):  
Paul D. Rolniak ◽  
Riki Kobayashi
Keyword(s):  
Carbon Dioxide ◽  
Molecular Sieves ◽  
Ambient Temperatures ◽  
Elevated Pressures ◽  
Adsorption Of Methane

Metabolism during normoxia, hyperoxia, and recovery in newborn rats

1992 ◽  
Vol 70 (3) ◽  
pp. 408-411 ◽  
Author(s):  
Peter B. Frappell ◽  
Andrea Dotta ◽  
Jacopo P. Mortola
Keyword(s):  
Carbon Dioxide ◽  
Oxygen Consumption ◽  
Metabolic Rate ◽  
Carbon Dioxide Production ◽  
Oxygen Availability ◽  
Aerobic Metabolism ◽  
Newborn Rats ◽  
Ambient Temperatures ◽  
Positive Effects

Aerobic metabolism (oxygen consumption, [Formula: see text], and carbon dioxide production, [Formula: see text]) has been measured in newborn rats at 2 days of age during normoxia, 30 min of hyperoxia (100% O2) and an additional 30 min of recovery in normoxia at ambient temperatures of 35 °C (thermoneutrality) or 30 °C. In normoxia, at 30 °C [Formula: see text] was higher than at 35 °C. With hyperoxia, [Formula: see text] increased in all cases, but more so at 30 °C (+20%) than at 35 °C (+9%). Upon return to normoxia, metabolism readily returned to the prehyperoxic value. The results support the concept that the normoxic metabolic rate of the newborn can be limited by the availability of oxygen. At temperatures below thermoneutrality the higher metabolic needs aggravate the limitation in oxygen availability, and the positive effects of hyperoxia on [Formula: see text] are therefore more apparent.Key words: neonatal respiration, oxygen consumption, thermoregulation.

scholarly journals Carbon Dioxide Decomposition Over AlPO4 Based Molecular Sieves

2019 ◽  
Vol 8 (1) ◽  
pp. 25-33
Author(s):  
S. Siva Sankari S. Siva Sankari ◽  
M. A. Mary Thangam M. A. Mary Thangam ◽  
Chellapandian Kannan Chellapandian Kannan
Keyword(s):  
Carbon Dioxide ◽  
Molecular Sieves
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