Results 141 to 150 of about 678,149 (297)

Anemia and Arterial Partial Pressure of Oxygen [PDF]

open access: yesAnesthesiology, 2000
Steven Deem, Erik R. Swenson
openaire   +2 more sources

Low arterial oxygen partial pressure induces pulmonary thrombocytopenia in patients and a mouse model. [PDF]

open access: yesBMC Pulm Med, 2021
Wu L   +7 more
europepmc   +1 more source

Characterization of a Recyclate‐Based MgO‐Steel Composite As‐Sintered Inert Anode Candidate After Exposure to Cryolite Electrolysis

open access: yesAdvanced Engineering Materials, EarlyView.
Carbon‐free inert anodes are essential for decarbonizing aluminum electrolysis. This study investigates a recyclate‐based MgO‐316L steel composite anode tested under galvanostatic Hall–Héroult conditions in cryolite at 1000°C. Microstructural analysis reveals selective MgO fluorination, spinel and oxide layer formation, electrolyte infiltration, and ...
Serhii Yaroshevskyi   +7 more
wiley   +1 more source

Evaluation and reconditioning of donor organs for transplantation through ex vivo lung perfusion

open access: yesEinstein (São Paulo)
Objective: To assess the feasibility and impact of ex vivo lung perfusion with hyperoncotic solution (Steen Solution™) in the utilization of these organs in Brazil.
Luis Gustavo Abdalla   +5 more
doaj   +1 more source

Removing Oxide Layers and Retaining Oxide‐Free Steel Surfaces by Polishing in Oxygen‐Free Atmosphere

open access: yesAdvanced Engineering Materials, EarlyView.
In this study, the efficacy of wet mechanical polishing under an oxygen‐free atmosphere for deoxidation and the retention of an oxide‐free steel surface are elucidated using X‐ray photoelectron spectroscopy. The methodology proved successful; however, the results were highly dependent on the preparation of the solvents used to clean the samples after ...
Friedrich Bürger   +2 more
wiley   +1 more source

Influence of an Oxygen‐Free Atmosphere on Diamond‐Single‐Grain Scratching of Ti–6Al–4V

open access: yesAdvanced Engineering Materials, EarlyView.
Single‐grain scratching of Ti–6Al–4V is investigated under controlled, oxygen‐free, and ambient atmospheres using a novel experimental setup with in situ high‐speed imaging. The approach enables direct observation of chip formation and adhesion under suppressed oxidation.
Berend Denkena   +2 more
wiley   +1 more source

Medio ambiente fetal Fetal environment

open access: yesIatreia, 1996
Con base en el artículo clásico "Monte Everest in utero" se hace un análisis de la situación que afronta el feto con respecto a la disponibilidad de oxígeno; para una mejor comprensión del sufrimiento fetal se revisan los siguientes conceptos: presión ...
César Bernardo Ospina Arcila
doaj  

Pressure Effects on Oxygen Concentration Flammability Thresholds of Materials for Aerospace Applications [PDF]

open access: yes
Spacecraft materials selection is based on an upward flammability test conducted in a quiescent environment in the highest-expected oxygen-concentration environment.
Beeson, Harold   +2 more
core   +1 more source

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