Results 11 to 20 of about 218,743 (211)

Improvement of Saccharomyces propagation performance through oxygen-enriched air and aeration parameter variation

open access: yesFrontiers in Chemical Engineering, 2023
A variety of yeast applications in the food and beverage industry require individual and reproducible yeast propagation at high yields and consistent quality.
Alexander Beugholt   +2 more
doaj   +1 more source

Study on promotion of lean combustion by oxygen enrichment using a rapid compression expansion machine

open access: yesNihon Kikai Gakkai ronbunshu, 2021
While lean combustion in SI engine is one of the promising methods to increase the thermal efficiency and reduce the pollutant emissions, it causes instability of ignition and combustion due to the low burning velocity.
Kazuki HARADA   +5 more
doaj   +1 more source

Perovskite Membranes: Advancements and Challenges in Gas Separation, Production, and Capture

open access: yesMembranes, 2023
Perovskite membranes have gained considerable attention in gas separation and production due to their unique properties such as high selectivity and permeability towards various gases.
Abdul Hai Alami   +5 more
doaj   +1 more source

Effects of oxygen enrichment and hydrogen addition on the instability of biogas-air premixed flames formed on a flat burner

open access: yesNihon Kikai Gakkai ronbunshu, 2023
This study focused on the biogas-air premixed flames formed on a flat burner under the conditions of oxygen enrichment and hydrogen addition to improve the combustion characteristics of biogas-air premixtures.
Yui AKAGAWA   +4 more
doaj   +1 more source

The HEV Ventilator: at the interface between particle physics and biomedical engineering

open access: yesRoyal Society Open Science, 2022
A high-quality, low-cost ventilator, dubbed HEV, has been developed by the particle physics community working together with biomedical engineers and physicians around the world.
Jan Buytaert   +90 more
doaj   +1 more source

Experimental Model Development of Oxygen-Enriched Combustion Kinetics on Porous Coal Char and Non-Porous Graphite

open access: yesEnergies, 2017
The effect of oxygen-enriched air on low-rank coal char combustion was experimentally investigated. In this work, a coal-heating reactor equipped with a platinum wire mesh in the reaction chamber was used to analyze the combustion temperature, reaction ...
Gyeong-Min Kim   +3 more
doaj   +1 more source

Oxygen-generating Hydrogels Disrupt Periodontal Biofilms by Local Oxygen Enrichment

open access: yesInternational Dental Journal, 2023
Aim or Purpose: To construct injectable oxygen-generating hydrogels for O2 enrichment in local periodontal pockets and investigate their antimicrobial and antibiofilm effectiveness.
PhD student Ye Liang   +2 more
doaj   +1 more source

Influência da cinética de oxidação no controle da atmosfera de fornos de revestimentos cerâmicos Influence of the oxidation kinetics for control of the atmosphere of kilns for production of ceramic tiles

open access: yesCerâmica, 2000
No processo de monoqueima para produção de revestimentos cerâmicos, o aparecimento do "coração negro" ocorre sob determinadas condições de matérias-primas utilizadas e parâmetros do processo industrial.
S. Cava   +7 more
doaj   +1 more source

Suppressing the oxygen ingress into Ti-alloys by a one-step Al- plus F-treatment [PDF]

open access: yesMATEC Web of Conferences, 2020
Oxygen ingress into technical Ti-alloys during high temperature exposure in oxygen containing environments leads to an enriched surface zone due to the high oxygen solubility in titanium.
Donchev Alexander, Galetz Mathias
doaj   +1 more source

The Multi-Objective Optimization of Blast Furnace Oxygen Enrichment Rate Based on Optimal Carbon Ratio

open access: yesMetals, 2023
The NSGA-II algorithm was used to establish a multi-objective optimization model for the oxygen enrichment rate of a blast furnace in terms of achieving a lower fuel ratio and higher pulverized coal ratio.
Donghui Gao   +3 more
doaj   +1 more source

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