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Author: Sebastiaan Frederik Pouwel Donkelaar
Publisher:
ISBN: 9789036539197
Category :
Languages : en
Pages : 140
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Book Description
Author: Sebastiaan Frederik Pouwel Donkelaar
Publisher:
ISBN: 9789036539197
Category :
Languages : en
Pages : 140
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Mixed ionic-electronic conductors, oxygen-transporting membranes, CO2 stability, perovskites, dual-phase membranes. - Gemischte Leiter, sauerstofftransportierende Membrane, CO2-Stabilität, Perowskite, zweiphasige Membrane
Author: Ye Xing
Publisher: Forschungszentrum Jülich
ISBN: 3893367659
Category :
Languages : en
Pages : 143
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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 39
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Book Description
In the present quarter, the possibility of using a more complex interfacial engineering approach to the development of reliable and stable oxygen transport perovskite ceramic membranes/metal seals is discussed. Experiments are presented and ceramic/metal interactions are characterized. Crack growth and fracture toughness of the membrane in the reducing conditions are also discussed. Future work regarding this approach is proposed are evaluated for strength and fracture in oxygen gradient conditions. Oxygen gradients are created in tubular membranes by insulating the inner surface from the reducing environment by platinum foils. Fracture in these test conditions is observed to have a gradient in trans and inter-granular fracture as opposed to pure trans-granular fracture observed in homogeneous conditions. Fracture gradients are reasoned to be due to oxygen gradient set up in the membrane, variation in stoichiometry across the thickness and due to varying decomposition of the parent perovskite. The studies are useful in predicting fracture criterion in actual reactor conditions and in understanding the initial evolution of fracture processes.
Author: Zachary Alexander Dehaney-Steven
Publisher:
ISBN:
Category : Membranes (Technology)
Languages : en
Pages : 257
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Book Description
Author: Roland N. Pittman
Publisher: Biota Publishing
ISBN: 1615047212
Category : Medical
Languages : en
Pages : 117
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Book Description
This presentation describes various aspects of the regulation of tissue oxygenation, including the roles of the circulatory system, respiratory system, and blood, the carrier of oxygen within these components of the cardiorespiratory system. The respiratory system takes oxygen from the atmosphere and transports it by diffusion from the air in the alveoli to the blood flowing through the pulmonary capillaries. The cardiovascular system then moves the oxygenated blood from the heart to the microcirculation of the various organs by convection, where oxygen is released from hemoglobin in the red blood cells and moves to the parenchymal cells of each tissue by diffusion. Oxygen that has diffused into cells is then utilized in the mitochondria to produce adenosine triphosphate (ATP), the energy currency of all cells. The mitochondria are able to produce ATP until the oxygen tension or PO2 on the cell surface falls to a critical level of about 4–5 mm Hg. Thus, in order to meet the energetic needs of cells, it is important to maintain a continuous supply of oxygen to the mitochondria at or above the critical PO2 . In order to accomplish this desired outcome, the cardiorespiratory system, including the blood, must be capable of regulation to ensure survival of all tissues under a wide range of circumstances. The purpose of this presentation is to provide basic information about the operation and regulation of the cardiovascular and respiratory systems, as well as the properties of the blood and parenchymal cells, so that a fundamental understanding of the regulation of tissue oxygenation is achieved.
Author: Xiaoyu Li
Publisher: Forschungszentrum Jülich
ISBN: 3893369163
Category :
Languages : en
Pages : 161
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Book Description
Keine Angaben
Author: Wei Fang
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Oxygen transport, dual-phase materials, CO2 tolerance, membrane reactors. - Sauerstofftransport, zweiphasige Materialien, CO2-Toleranz, Membranreaktoren
Author: Sapna Gupta
Publisher:
ISBN:
Category :
Languages : en
Pages : 352
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Book Description
Author:
Publisher:
ISBN:
Category : Gases
Languages : en
Pages : 388
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