Relevant bibliographies by topics / High O2 pressure

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'High O2 pressure'

Author: Grafiati
Published: 25 May 2024
Last updated: 19 July 2025

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Journal articles on the topic "High O2 pressure"

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van Blankenstein, J. H., C. J. Slager, L. K. Soei, H. Boersma, and P. D. Verdouw. "Effect of arterial blood pressure and ventilation gases on cardiac depression induced by coronary air embolism." Journal of Applied Physiology 77, no. 4 (1994): 1896–902. http://dx.doi.org/10.1152/jappl.1994.77.4.1896.

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In this study the time course of cardiac depression after selective intracoronary injection of air bubbles was investigated in six anesthetized pigs (30 +/- 2 kg) with different mixtures of ventilation gases and different mean arterial blood pressures (MAP). Air bubbles of 150 microns diam were injected into the left anterior descending coronary artery (LADCA) in a volume of 2 microliters/kg body wt. In each animal an injection of air bubbles was applied during ventilation with N2-O2 and a MAP of 77 +/- 3 mmHg (N2-O2/low pressure) or 111 +/- 3 mmHg (N2-O2/high pressure) and during ventilation
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Azyazov, V. N., M. V. Zagidullin, V. D. Nikolaev, M. I. Svistun та N. A. Khvatov. "Transport of high-pressure O2(1Δ)". Quantum Electronics 24, № 3 (1994): 229–32. http://dx.doi.org/10.1070/qe1994v024n03abeh000059.

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Silva, S. M., R. C. Herner, and R. M. Beaudry. "407 Regulation of Carbon Flux as a Function of O2 and CO2 Atmospheres in Asparagus Tips." HortScience 34, no. 3 (1999): 514B—514. http://dx.doi.org/10.21273/hortsci.34.3.514b.

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The purpose of this work was to investigate the influence of O2 and CO2 partial pressures on glycolytic carbon flux, phosphorylated intermediates, phosphate, pyrophosphate, and phosporylated nucleotides in asparagus spears tips stores at 1 °C. The effects of CO2 (0, 5, 10, and 20 kPa) combined with O2 pressures ranging from 0.1 to 16 kPa (1% O2 = 1.013 kPa O2 at 1 atm) were investigated. Spears were enclosed within a low-density polyethylene (LDPE) package (for the 5-, 10-, and 20-kPa CO2 treatments) having a surface area of 462 cm2 and enclosed in 1.95-L glass jars. Low O2 enhanced the interc
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Levi, A., and D. Sasselov. "Partitioning of Atmospheric O2 into High-pressure Ice in Ocean Worlds." Astrophysical Journal 926, no. 1 (2022): 72. http://dx.doi.org/10.3847/1538-4357/ac4500.

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Abstract Planets with a few percent water by mass may have a high-pressure ice mantle separating the rocky interior from both the ocean and atmosphere. Here we examine whether the partitioning of O2 into high-pressure ice can constrain the atmospheric abundance of O2 produced by water photolysis in the atmosphere. We find that the partition coefficient of dissolved O2 between high-pressure ice and liquid water is about unity. We show that the solubility of O2 in high-pressure water ice yields an upper value for the atmospheric abundance of O2 that depends on the ocean surface temperature. The
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Yang, Ming, Veena M. Bhopale, and Stephen R. Thom. "Separating the roles of nitrogen and oxygen in high pressure-induced blood-borne microparticle elevations, neutrophil activation, and vascular injury in mice." Journal of Applied Physiology 119, no. 3 (2015): 219–22. http://dx.doi.org/10.1152/japplphysiol.00384.2015.

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An elevation in levels of circulating microparticles (MPs) due to high air pressure exposure and the associated inflammatory changes and vascular injury that occur with it may be due to oxidative stress. We hypothesized that these responses arise due to elevated partial pressures of N2 and not because of high-pressure O2. A comparison was made among high-pressure air, normoxic high-pressure N2, and high-pressure O2 in causing an elevation in circulating annexin V-positive MPs, neutrophil activation, and vascular injury by assessing the leakage of high-molecular-weight dextran in a murine model
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Howland, R. J., and K. Newman. "A high-precision automatic closed-circuit respirometer for small animals." Journal of Applied Physiology 58, no. 3 (1985): 1031–33. http://dx.doi.org/10.1152/jappl.1985.58.3.1031.

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An automatic apparatus for the continuous measurement of O2 consumption of small laboratory animals is described. By use of a high-sensitivity pressure transducer with associated circuitry together with a peristaltic O2 delivery system, the closed respirometer chamber is maintained at atmospheric pressure +/- 0.5 mmH2O. O2 delivery is measured to within 0.25 ml by recording rotations of the peristaltic pump, following calibration by the withdrawal of a preset volume of air from the chamber. Static trials (with the chamber empty) indicate a high degree of reproducibility of data with the chambe
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Bjorling, Dale E., and Jeff B. Whitfield. "High-frequency jet ventilation during pneumothorax in dogs." American Journal of Veterinary Research 47, no. 9 (1986): 1984–87. https://doi.org/10.2460/ajvr.1986.47.09.1984.

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SUMMARY Pneumothorax (45 ml of N/kg of body weight insufflated into the pleural space) in anesthetized dogs ventilated with air caused a significant (P < 0.05) increase in pleural pressure, central venous pressure, capillary wedge pressure, and venous admixture. Cardiac index (ci) and arterial O2 tensions were decreased. Ventilation with 100% O2 increased arterial O2 tensions, but did not affect calculated intrapulmonary shunting of blood or ci. Application of 10 cm of H2O-positive end-expiratory pressure in the presence of pneumothorax during positive-pressure ventilation and high-frequenc
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Obrenovitch, T. P., and J. L. Gillard. "Decreased brain levels of ascorbic acid in rats exposed to high pressures." Journal of Applied Physiology 58, no. 3 (1985): 839–43. http://dx.doi.org/10.1152/jappl.1985.58.3.839.

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Ascorbic acid was repeatedly monitored in vivo in the striatum of rats subjected to an increasing pressure (100 bar/h compression rate; 0.5 bar partial pressure of O2 He-O2 mixture, up to 120 bar (121 ATA), to which they were exposed for 1 h. Measurements were performed using differential pulse voltammetry and carbon fiber microelectrodes. High-pressure-exposed animals exhibited a dramatic decrease of striatal ascorbic acid. This decrease was detectable at pressures as low as 50 bar and significant over 70 bar (75% of the control level), and the lower level (25% of the control level) was reach
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Rostain, J. C., M. C. Gardette-Chauffour, and R. Naquet. "Occurrence of high-pressure nervous syndrome at constant pressure during change of mixture." Journal of Applied Physiology 63, no. 5 (1987): 1919–25. http://dx.doi.org/10.1152/jappl.1987.63.5.1919.

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Three professional divers have performed a dive to 450 msw. From 200 msw and during the first 64 h on the bottom, they breathed a H2-He-O2 mixture with 54–56% H2. At this time a switch was performed to a mixture with 30% H2, and 8 h later a second switch was performed to 0% H2. In the H2-He-O2 mixture the clinical symptoms of high-pressure nervous syndrome (HPNS) were not present and the electroencephalogram changes were slight. The switch of the mixture induced an isobaric HPNS of high intensity. Twenty-four hours later the HPNS decreased, but the clinical symptoms persisted throughout the st
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Mills, S. J., and F. Nestola. "Elasticity and high-pressure structure of arsenoflorencite-(La): insights into the high-pressure behaviour of the alunite supergroup." Mineralogical Magazine 76, no. 4 (2012): 975–85. http://dx.doi.org/10.1180/minmag.2012.076.4.13.

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AbstractArsenoflorencite-(La), ideally LaAl3(AsO4)2(OH)6, was studied at high pressure by single-crystal X-ray diffractometry. The unit cell was determined at nine pressures up to 7.471(8) GPa; no evidence of a phase transformation was found in this range. The pressure volume data (refined simultaneously) were fitted to a third-order Birch Murnaghan equation of state which gave V0 = 710.71(8) Å3, KT0 = 106(2) GPa and K' = 9.2(9). These values were confirmed independently from an FE–fE plot. The crystal structure was refined at 1.596, 3.622, 5.749 and 7.471 GPa, the first time this has been don
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Dissertations / Theses on the topic "High O2 pressure"

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Masquelet, Matthieu Marc. "Large-eddy simulations of high-pressure shear coaxial flows relevant for H2/O2 rocket engines." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/47522.

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The understanding and prediction of transient phenomena inside Liquid Rocket Engines (LREs) have been very difficult because of the many challenges posed by the conditions inside the combustion chamber. This is especially true for injectors involving liquid oxygen LOX and gaseous hydrogen GH₂. A wide range of length scales needs to be captured from high-pressure flame thicknesses of a few microns to the length of the chamber of the order of a meter. A wide range of time scales needs to be captured, again from the very small timescales involved in hydrogen chemistry to low-frequency longitudina
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Dahab, Hassan-Dahab. "Synthèse, cristallochimie et propriétés physiques de nickelates de terre rare (La, Nd) de structure dérivée de la perovskite à degré d’oxydation inusuel." Electronic Thesis or Diss., Bordeaux, 2024. http://www.theses.fr/2024BORD0047.

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Ces travaux qui s’inscrivent dans le cadre d’une collaboration entre l’ICMCB et l’institut Néel portent sur les nickelates (RE1-xSrxNiO2 ou RE = La et Nd) sous forme de poudres. Dans le cadre de cette thèse je présente la synthèse et design chimique de ces nouveaux matériaux par voie chimique innovante, incluant la chimie douce (voie citrate – nitrate), la synthèse sous haute pression d’oxygène (PO2 < 650 bars) (phases RENiO3) à haute température (T = 900°C) et enfin la réduction topochimique utilisant l’hydrure de calcium CaH2 à basse température (T<300°C), dans le but de stabiliser le
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Hahn, Jörg. "Untersuchung der Reaktion von Wasserstoffatomen mit Sauerstoffmolekülen (H+O2+M → HO2+M) in weiten Druck- und Temperaturbereichen." Doctoral thesis, 2004. http://hdl.handle.net/11858/00-1735-0000-0006-AD4E-D.

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Books on the topic "High O2 pressure"

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F, Morea S., Wu S. T. 1933-, and United States. National Aeronautics and Space Administration. Scientific and Technical Information Branch, eds. Advanced high pressure O2/H2 technology. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Hendrickx, Jan F. A., André van Zundert, and Andre De Wolf. Inhaled anaesthetics. Edited by Michel M. R. F. Struys. Oxford University Press, 2017. http://dx.doi.org/10.1093/med/9780199642045.003.0014.

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Inhaled anaesthetic drugs are administered via the lungs to provide ‘general anaesthesia’. They are considered complete anaesthetics because they in and by themselves can in most patients ensure all clinical end-points that are required for ‘general anaesthesia’ (unconsciousness, immobility, and haemodynamic stability). The dose–response curve of each clinical end-point is conveniently defined by its mid-point, the end-expired concentration Fa that ensures response suppression in 50 % of the patients (MACawake, MAC, and MACBAR). By understanding the dose–response curves and the factors that in
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Book chapters on the topic "High O2 pressure"

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Stocchetti, Nino, A. Chieregato, M. Marchi, M. Croci, R. Benti, and N. Grimoldi. "High Cerebral Perfusion Pressure Improves Low Values of Local Brain Tissue O2 Tension (PtiO2) in Focal Lesions." In Intracranial Pressure and Neuromonitoring in Brain Injury. Springer Vienna, 1998. http://dx.doi.org/10.1007/978-3-7091-6475-4_47.

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Del Gallo, Maddalena, Loretta Gratani, and Giorgio Morpurgo. "Selection at the Chemostat of Azospirillum brasilense Cd N2-Fixing at High O2 Pressure." In Azospirillum IV. Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73072-6_10.

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Seino, Hiroshi, Kozo Ishizaki, and Masasuke Takata. "High Total and High Oxygen Partial Pressure Effects on Bi-Sr-Ca-Cu-O Superconductor During O2-HIP Sintering." In Advances in Superconductivity II. Springer Japan, 1990. http://dx.doi.org/10.1007/978-4-431-68117-5_37.

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Hlastala, Michael P., and Albert J. Berger. "Blood Gas Transport and Tissue Gas Exchange." In Physiology of Respiration. Oxford University PressNew York, NY, 2001. http://dx.doi.org/10.1093/oso/9780195138467.003.0006.

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Abstract Storage and transport of 02 and CO2 in blood are accomplished by special mechanisms. Hemoglobin is instrumental to the storage of both O2 and CO2 in a way that is interactive, a feature that enhances the exchange of each gas and provides a reserve when 02 demand increases. Like inert gases, 02 dissolves in blood in direct proportion to its partial pressure. This relationship is described by Henry’s law: The proportionality constant relating 02 content (C0,) to 02 partial pressure (P02) isb02, the blood solubility coefficient, commonly expressed as ml gas (STPD) dissolved in 100 ml (1 dl) blood for every mm Hg of partial pressure. The value of bb differs for each gas (02 and CO2) and varies with temperature. More gas dissolves in liquid as temperature decreases. For blood at 37°C,b02 is approximately equal to 0.003 ml · dl-1 • mm Hg-1• This low solubility allows only a small portion of 02 to be dissolved in blood at physiological partial pressures (80 to 100 mm Hg). At a normal arterial P02 of 100 mm Hg, only 0.3 ml 02 can be stored as dissolved gas in each dl of blood. This does not, however, meet normal metabolic demands. This requirement is met by hemoglobin with its high O2 storage capability.
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Piantadosi, Claude A. "Climbing Higher." In The Biology of Human Survival. Oxford University PressNew York, NY, 2003. http://dx.doi.org/10.1093/oso/9780195165012.003.0015.

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Abstract Most of the world’s population lives at or near sea level, where their ancestors lived for thousands of generations. Because the human body is adapted to life at sea level, it must make physiological adjustments to the decrease in atmospheric pressure at higher altitudes. These adjustments are true physiological adaptations that appear to have evolved out of the survival advantage that tolerance to O2 deprivation affords the body. The amount of O2 in the atmosphere declines as altitude increases, exposing the body to hypoxia, which produces the same effects as certain disorders of cardiopulmonary function. At sea level the air column above Earth exerts a force approximately equivalent to the weight of a column of mercury (Hg) 760 millimeters (29.9 inches) high. This height of mercury, placed in a barometer, exactly counterbalances the normal sea level pressure of Earth, 1 ATA, or 1 bar (1000 millibars). On ascent to altitude barometric pressure falls because the atmosphere is less dense owing to the lower weight of the air column above it. Atmospheric pressure falls more rapidly at attitude than might be predicted from the weight of the air column because as one ascends there is less compression of the air from the gas above it.
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Epstein, Irving R., and John A. Pojman. "Apparatus." In An Introduction to Nonlinear Chemical Dynamics. Oxford University Press, 1998. http://dx.doi.org/10.1093/oso/9780195096705.003.0008.

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In the previous chapter, we developed a set of conceptual and mathematical tools for analyzing the models and experimental data that form the subject matter of nonlinear chemical dynamics. Here, we describe some of the key items of experimental apparatus used to obtain these data so that the reader can better appreciate the results discussed in the following chapters and can learn how to begin his or her own investigations. The first several sections are devoted to measurements of temporal behavior, with emphasis on the techniques used to monitor reactions in time and on the reactors in which these reactions are studied. The final section focuses on the study of spatial patterns and waves in chemical systems. It is possible, by methods that we shall discuss later, to reconstruct the qualitative dynamics of a system from the measurement of only a single variable. However, the more species whose concentrations can be measured, the easier it is to elucidate a mechanism and the more rigorously that mechanism can be tested. The most impressive study of multiple species in a chemical oscillator was carried out by Vidal et al. (1980), who were able, by a combination of techniques, to monitor the concentrations of Ce4 + , Ce3+ , Br2, Br-, bromomalonic acid, O2, and CO2 in the BZ reaction. In the following sections, we will look at the most widely employed techniques: spectroscopic and potentiometric methods. In principle, and occasionally in practice, essentially any technique that can be used to detect changes in concentration can be utilized to monitor the systems that we are interested in. Approaches that have been employed to date include polarography, high-pressure liquid chromatography, and calorimetry. If there are absorbing species, ultraviolet and/or visible (UV/vis) spectroscopy offers rapid response time and high sensitivity for monitoring concentrations, particularly if the species of interest have spectra with relatively little overlap. Measurements can be made in a cuvette placed in a standard UV/vis spectrophotometer, but this configuration has several limitations.
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Conference papers on the topic "High O2 pressure"

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Dong, Shuai, Wei Liu, Jing Zhang, Xueqiang Lin, Jia He, and Minxu Lu. "Effect of Oxygen on CO2 Corrosion and Erosion-Corrosion Behavior of N80 Steel under High Temperature and High Pressure." In CORROSION 2014. NACE International, 2014. https://doi.org/10.5006/c2014-4198.

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Abstract The role of O2 in CO2 corrosion and erosion-corrosion was investigated using high temperature and high pressure autoclaves, more research methods of material surface such as SEM, XRD, and EDS etc. were used. The results suggested that under static conditions, the corrosion morphology of pure CO2 was uniform corrosion, and when O2 was added, it translated into pitting corrosion and the corrosion rate increased. Fe2O3, Fe3O4, and FeCO3 were the main corrosion products in CO2-O2 environments. The potentiodynamic sweeps results showed that when O2 was added, the corrosion potential increa
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Zhang, Jing, Wei Liu, Xueqiang Lin, et al. "Corrosion Behavior and Mechanism of N80 Steel under High Temperature and High Pressure CO2-O2 Coexisting Condition." In CORROSION 2013. NACE International, 2013. https://doi.org/10.5006/c2013-02479.

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Abstract CO2 corrosion experiments of N80 steel with and without small amounts of O2 were performed using high temperature and high pressure autoclaves. Corrosion morphology and corrosion scale were investigated by scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS) and X-ray diffraction (XRD), respectively. The results indicate that CO2-O2 corrosion rates were remarkably greater than that of CO2 corrosion. CO2-O2 corrosion scale was loose and prone to localized destruction which in turn presented pitting corrosion, while CO2 corrosion scale was compact and provided a high
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Liu, Wei, Fei Wu, Juanjuan Dou, et al. "Effect of Cl- Concentration on Erosion-corrosion Behavior of S43400 and S31603 Stainless Steels in High Temperature and High Pressure CO2-O2 Environment." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05973.

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Abstract Erosion-corrosion of S43400 stainless steel in high temperature and high pressure (HTHP) CO2-O2 environment was investigated by high temperature and high pressure autoclave compared with S31603 stainless steel. Further, by immersion test and electrochemical test of two stainless steel in two different HCl solutions, the effect of Cl- concentration on erosion-corrosion behavior in sand-containing solution was analyzed and interpreted. The results suggested that S43400 stainless steel showed a similar low erosion-corrosion rate compared to S31603 stainless steel under low Cl- concentrat
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Rogne, Trond, John M. Drugli, Torgeir Wenn, Roy Johnsen, and Stein Olsen. "The Influence of Some Environmental Factors on the Corrosion of Stainless Steel Weldments Exposed to Simulated Well Flow." In CORROSION 1989. NACE International, 1989. https://doi.org/10.5006/c1989-89470.

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Abstract The risk for initiation of corrosion has been determined for stainless steel weldments exposed to simulated well fluid. The influence of temperature, partial pressure of CO2 and O2 concentration were investigated. Evaluations were based on mesurements of free potential and critical potential for initiation of corrosion, Ec. Increased temperature from 80 to 120°C reduces Ec and increases the risk for initiation of corrosion, while partial pressure of CO2 in the range 2.5 to 10 bar do not have significantly effect neither on free potential nor Ec. Oxygen in the system has a detrimental
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Kanki, Kyohei, Hiroki Kamitani, and Hisashi Amaya. "Corrosion Resistance of CRA for CCS Applications under O2, SO2 and Practical Mixed Gas Conditions at Different Chloride Levels." In CONFERENCE 2025. NACE International, 2025. https://doi.org/10.5006/c2025-00004.

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Abstract In carbon dioxide capture and storage (CCS), CO2 emitted from various industrial sources, for example fossil-fuel power plants, is captured and injected into the subsurface in a dense or supercritical phase through injection strings. This transported CO2 may contain impurities, such as SOx, NOx, O2. To evaluate the corrosion resistance of CRAs for injection tubing in supercritical CO2 with O2, SO2, and practical mixture of gases, corrosion tests were performed under conditions in 5, 15 and 25 wt% NaCl solutions saturated with CO2. Corrosion resistance of Super Martensitic Stainless St
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Yan, Chao, Paula Guraieb, Jin Huang, and Ross C. Tomson. "Study of Siderite Solubility under Extreme High Temperature and Pressure in 1 M NaCl Solution." In CORROSION 2015. NACE International, 2015. https://doi.org/10.5006/c2015-05623.

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Abstract With the continued development of offshore production in ultra-deepwater (UDW), more and more wells are exposed to extremely high pressure and temperature (xHPHT) under anoxic condition. In order to better predict scale formation, scale solubility under these extreme conditions need to be accurate. Knowledge of the thermodynamic and kinetic properties of this mineral under xHPHT conditions is important for the solubility studies. Research to expand the amount of data and models for such minerals at these conditions will reduce offshore production risk and improve human safety in ultra
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Svenningsen, Gaute, Rolf Nyborg, Abdelmounam Sherik, and Arnold L. Lewis. "Black Powder Formation in Thin Water Layers under Stagnant Conditions." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11084.

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Abstract Black powder formation was simulated using carbon steel samples with a thin water layer. Temperature, alkalinity, TEG content and the partial pressures of O2, CO2 and H2S were systematically varied to study the effect on corrosion rate and corrosion products formed. The corrosion rate was in most cases close to 0.08 mm/y and almost unaffected by variation in CO2, H2S and O2 partial pressure. The corrosion rate was significantly reduced in high TEG solution. Compared to distilled water, addition of alkalinity had just minor effect on the corrosion rate, except for CO2-free conditions.
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John, R. C. "Engineering Assessments of Oxidation of Commercial Alloys." In CORROSION 1996. NACE International, 1996. https://doi.org/10.5006/c1996-96171.

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Abstract Oxidation of commercial, heat resistant alloys which are widely used in high temperature equipment has been studied for temperatures of 1,400-2,000°F (760-1,093°C), times up to one year, and O2 concentrations of 1-100% volume in O2-N2 mixtures at one atmosphere total pressure. The traditional method of reporting oxidation by weight change/area was found to measure only 10-20% of the total metal penetration by oxidation for many alloys. Most of the alloys formed a surface layer rich in Cr2O3 and experienced the majority of metal penetration by internal oxidation or void formation. Surf
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John, R. C., I. G. Wright, and A. L. Young. "Long-Term Oxidation of Commercial Alloys in PO2’S of 0.001 - 1 Atma, at Temperatures of 473-1450 K and after 24,000Hr." In CORROSION 2004. NACE International, 2004. https://doi.org/10.5006/c2004-04529.

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Abstract Oxidation behavior of a large variety of alloys has been studied for a wide range of conditions. The study examined commercial, heat resistant alloys, which are widely used in high-temperature, process equipment. The exposure conditions included temperatures of 473 – 1450 K, times of 500 – 24,000 hr, and O2 concentrations of 0.1-100% volume in O2-N2 mixtures at one atmosphere total pressure. The traditional method of reporting oxidation by weight change/area was found to measure only 10-20% of the metal penetration by oxidation for many of the alloys. Most of the alloys resisted oxida
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Jones, R. H., C. H. Henager, C. A. Lewinsohn, and C. F. Windisch. "Comparison of Interphase Removal and Oxidation Embrittlement Mechanisms of Subcritical Crack Growth in SiC/SiC Composites." In CORROSION 1998. NACE International, 1998. https://doi.org/10.5006/c1998-98265.

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Abstract Ceramic matrix composites are being developed to operate at elevated temperatures and in oxidizing environments. Considerable improvements are being made in the creep resistance of SiC fibers and hence in the high-temperature properties of SiC/SiC composites; however, more needs to be known about the stability of these materials in oxidizing environments before they become widely accepted. Experimental weight loss and crack growth data supports the conclusion that O2 enhanced crack growth of SiC/SiC occurs by more than one mechanism depending on the experimental conditions. An oxidati
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