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Results 11 to 20 of about 2,349,049 (101)

Control and Monitoring System for Hydraulic Microturbines Test Benches

Proceedings, 2018
The present project aims to design the control and monitoring system for a test bench that will help to calculate the power level that can be extracted from wind vertical axis hydrokinetic microturbines.
Mario Álvarez Fernández +5 more
doaj +1 more source

SARS‐CoV‐2 infection and venous thromboembolism after surgery: an international prospective cohort study

Anaesthesia, Volume 77, Issue 1, Page 28-39, January 2022., 2022
Summary SARS‐CoV‐2 has been associated with an increased rate of venous thromboembolism in critically ill patients. Since surgical patients are already at higher risk of venous thromboembolism than general populations, this study aimed to determine if patients with peri‐operative or prior SARS‐CoV‐2 were at further increased risk of venous ...
COVIDSurg Collaborative +16163 more
wiley +1 more source

Analysis of the Hydrogen Induced Cracking by Means of the Small Punch Test: Effect of the Specimen Geometry and the Hydrogen Pre-Charge Mode

Proceedings, 2018
This paper presents a simplified procedure to analyse the Hydrogen Induced Cracking (HIC) of structural steels by means of the Small Punch Test (SPT).
Guillermo Álvarez Díaz +3 more
doaj +1 more source

Exploring the cost-effectiveness of high versus low perioperative fraction of inspired oxygen in the prevention of surgical site infections among abdominal surgery patients in three low- and middle-income countries

BJA Open, 2023
Background: This study assessed the potential cost-effectiveness of high (80–100%) vs low (21–35%) fraction of inspired oxygen (FiO2) at preventing surgical site infections (SSIs) after abdominal surgery in Nigeria, India, and South Africa.
Mwayi Kachapila +1928 more
doaj +1 more source

Accelerometry-Based Distance Estimation for Ambulatory Human Motion Analysis

Sensors, 2018
In human motion science, accelerometers are used as linear distance sensors by attaching them to moving body parts, with their measurement axes its measurement axis aligned in the direction of motion. When double integrating the raw sensor data, multiple
Juan Carlos Alvarez, Diego Álvarez, Antonio M. López +2 more
doaj +1 more source

Walking Turn Prediction from Upper Body Kinematics: A Systematic Review with Implications for Human-Robot Interaction

Applied Sciences, 2019
Prediction of walking turns allows to improve human factors such as comfort and perceived safety in human-robot interaction. The current state-of-the-art suggests that upper body kinematics can be used for that purpose and contains evidence about the ...
Antonio M. López, Juan C. Alvarez, Diego Álvarez +2 more
doaj +1 more source

Preliminary technical-economic analysis of biodiesel production from Haematococcus pluvialis residual biomass

Heliyon
Haematococcus pluvialis (H. pluvialis) microalgae are renowned as one of the richest sources of the antioxidant astaxanthin. During the extraction of this antioxidant, a large amount of triglyceride-rich biomass is discarded each year, which can be ...
Claudia Sanjurjo +4 more
doaj +1 more source

Effect of the Strain Rate on the Fracture Behaviour of High Pressure Pre-Charged Samples

Proceedings, 2018
The aim of this work is to study the effect of the displacement rate on the hydrogen embrittlement of two different structural steels grades used in energetic applications.
Guillermo Álvarez Díaz +3 more
doaj +1 more source

Matemàtics catalans: Pere Puig Adam (1900-1960). (2017)

, 2017
Material elaborat pel CRAI Biblioteca de Matemàtiques i Informàtica.Exposició Virtual novembe 2017.Matemàtics catalans és el nom col·lectiu d’una sèrie d’exposicions sobre alguns matemàtics catalans, de totes les èpoques i sense presentació cronològica ...
Universitat de Barcelona. CRAI
core +5 more sources

Individual and combined effects of chemical and mechanical power on postoperative pulmonary complications: a secondary analysis of the REPEAT study

Anaesthesia, Volume 80, Issue 12, Page 1510-1518, December 2025.
Summary Introduction Intra‐operative supplemental oxygen and mechanical ventilation expose the lungs to potentially injurious energy. This can be quantified as ‘chemical power’ and ‘mechanical power’, respectively. In this study, we sought to determine if intra‐operative chemical and mechanical power, individually and/or in combination, are associated ...
Lukas M. Müller‐Wirtz +517 more
wiley +1 more source

hydrogen embrittlement
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