Results 31 to 40 of about 5,284,982 (298)

An experimental study of Ti-6Al-4V powder reactivity in gaseous environment: Application to additive manufacturing [PDF]

open access: yesMATEC Web of Conferences, 2020
Currently, one of the current issues related to the additive manufacturing is the change in the properties of Ti-6Al-4V powder during this process. This change has been attributed to the interaction of this powder with its gaseous environment that can ...
Mahdi Siblani Mohamad   +2 more
doaj   +1 more source

A comparative study between high-flow nasal oxygen therapy and venturi mask oxygen therapy for postoperative laparoscopic bariatric surgery patients with atelectasis: a randomized clinical trial

open access: yesAin Shams Journal of Anesthesiology, 2022
Background Obesity has been identified as an independent risk factor for postoperative respiratory complications in several studies. In the pediatric and newborn populations, high-flow nasal oxygen (HFNO2) therapy was initially demonstrated to be an ...
Asmaa Ahmed Nabeeh Negmeldin Abdelrahman Allam   +4 more
doaj   +1 more source

Effect of dual ventilation with the ACRA interface of homogeneous (Step 1) and heterogeneous (Step 2) paired animal models on pH, partial pressure of arterial carbon dioxide, ratio of partial pressure of arterial oxygen to the fraction of inspired oxygen, percentage of hemoglobin saturated with oxygen, heart rate, mean arterial pressure, stroke volume, respiratory system compliance, positive end-expiratory pressure, driving pressure and expired tidal volume.

open access: yes, 2021
Effect of dual ventilation with the ACRA interface of homogeneous (Step 1) and heterogeneous (Step 2) paired animal models on pH, partial pressure of arterial carbon dioxide, ratio of partial pressure of arterial oxygen to the fraction of inspired oxygen,
Natali Verdier (11331201)   +10 more
core   +1 more source

Influence of oxygen partial pressure on the microstructural and magnetic properties of Er-doped ZnO thin films

open access: yesAIP Advances, 2015
Er-doped ZnO thin films have been prepared by using inductively coupled plasma enhanced physical vapor deposition at different O2:Ar gas flow ratio (R = 0:30, 1:30, 1:15, 1:10 and 1:6).
Wei-Bin Chen   +5 more
doaj   +1 more source

Reset First Resistive Switching in Ni1−xO Thin Films as Charge Transfer Insulator Deposited by Reactive RF Magnetron Sputtering

open access: yesNanomaterials, 2022
Reset-first resistive random access memory (RRAM) devices were demonstrated for off-stoichiometric Ni1−xO thin films deposited using reactive sputtering with a high oxygen partial pressure.
Dae-woo Kim   +3 more
doaj   +1 more source

Mechanical Ventilation in Neonatal Respiratory Distress Syndrome at High Altitude: A Retrospective Study From Tibet

open access: yesFrontiers in Pediatrics, 2019
Objective: To explore the characteristics of mechanical ventilation parameters and the arterial partial pressure of oxygen in neonatal respiratory distress syndrome (RDS) at high altitude.Methods: From the 1st May 2017 to the 31st December 2018, we ...
Dan Chen, Xiuxiu Liu, Jiujun Li
doaj   +1 more source

Exercise Capacity, Physical Activity, Fatigue, and Neurocognitive Function in Adult Survivors of Childhood Acute Lymphoblastic Leukemia

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Adult survivors of childhood acute lymphoblastic leukemia (ALL) are at risk of reduced exercise capacity, decreased physical activity levels, persistent fatigue, and neurocognitive deficits. The aim was to investigate exercise capacity and physical activity levels of adult survivors of childhood ALL and their associations with ...
Laura Jess   +5 more
wiley   +1 more source

Effect of Oxygen Mole Fraction on Static Properties of Pressure-Sensitive Paint

open access: yesSensors, 2021
The effects of the oxygen mole fraction on the static properties of pressure-sensitive paint (PSP) were investigated. Sample coupon tests using a calibration chamber were conducted for poly(hexafluoroisopropyl methacrylate)-based PSP (PHFIPM-PSP ...
Tomohiro Okudera   +5 more
doaj   +1 more source

Oxygen partial pressure control for microgravity experiments [PDF]

open access: yes, 2012
A system consisting of a high-temperature yttrium-stabilized zirconia (YSZ) based oxygen ion pump and potentiometric sensor enables precise measurement and control of oxygen partial pressure, pO2, at elevated temperatures within 0.2 to 10^-20 bar.
Schulz, Michael   +3 more
core   +1 more source

Human Vitreous: MR Imaging of Oxygen Partial Pressure [PDF]

open access: yesRadiology, 2013
To develop a magnetic resonance (MR) imaging approach to noninvasively image quantitative Po(2) in the human vitreous.Human studies were approved by the institutional review board with informed consent obtained from all subjects and were HIPAA compliant. Animal studies were performed with animal care committee approval.
Eric R, Muir   +4 more
openaire   +2 more sources

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