Articles with "partial pressure" as a keyword



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Flexibilization of Biorefineries: Tuning Lignin Hydrogenation by Hydrogen Partial Pressure

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Published in 2020 at "Chemsuschem"

DOI: 10.1002/cssc.202002248

Abstract: Abstract The present study describes an interesting and practical catalytic system that allows flexible conversion of lignin into aromatic or aliphatic hydrocarbons, depending on the hydrogen partial pressure. A combination of experiment and theory shows… read more here.

Keywords: flexibilization biorefineries; hydrogen; hydrogen partial; partial pressure ... See more keywords
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The Organ-Protective Effect of Higher Partial Pressure of Arterial Carbon Dioxide in the Normal Range for Infant Patients Undergoing Ventricular Septal Defect Repair

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Published in 2019 at "Pediatric Cardiology"

DOI: 10.1007/s00246-019-02269-y

Abstract: Hypercapnia has been reported to play an active role in protection against organ injury. The aim of this study was to determine whether a higher level of partial pressure of arterial carbon dioxide (PaCO 2… read more here.

Keywords: carbon dioxide; infant patients; partial pressure; patients undergoing ... See more keywords
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Ultra-low carbon dioxide partial pressure improves the galactosylation of a monoclonal antibody produced in Chinese hamster ovary cells in a bioreactor

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Published in 2018 at "Biotechnology Letters"

DOI: 10.1007/s10529-018-2586-4

Abstract: ObjectiveTo explore the influence of ultra-low carbon dioxide partial pressure (pCO2) on the monoclonal antibody (mAb) N-glycosylation profile in Chinese hamster ovary (CHO) cell culture.ResultsIn fed-batch bioreactor cultures, lowering the pCO2 in the medium ( read more here.

Keywords: ultra low; low carbon; dioxide partial; carbon dioxide ... See more keywords
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Effects of oxygen partial pressure on the electrical properties and phase transitions in (Ba,Ca)(Ti,Zr)O3 ceramics

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Published in 2020 at "Journal of Materials Science"

DOI: 10.1007/s10853-020-04771-8

Abstract: To enhance the piezoelectric responses, Ba0.85Ca0.15Zr0.1Ti0.9O3 (BCZT) ceramics were fabricated by a sol–gel method in various sintering atmospheres. The effects of oxygen partial pressure on the microstructure and electrical properties of BCZT ceramics were systematically… read more here.

Keywords: temperature; effects oxygen; oxygen partial; partial pressure ... See more keywords
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Effects of Nitrogen Partial Pressure Ratio and Anneal Temperature on the Properties of Al–N Co-Doped ZnO Thin Films

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Published in 2018 at "Journal of Electronic Materials"

DOI: 10.1007/s11664-018-6294-6

Abstract: The authors report the conversion of conduction type from n-type to p-type in the Al–N co-doped ZnO thin films by using thermal annealing treatment under argon atmosphere. The samples were deposited on fused silica by… read more here.

Keywords: thin films; partial pressure; zno thin; nitrogen partial ... See more keywords
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U-loss associated with laser-heating of hematite and goethite in vacuum during (U–Th)/He dating and prevention using high O2 partial pressure

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Published in 2020 at "Chemical Geology"

DOI: 10.1016/j.chemgeo.2019.119350

Abstract: Abstract Single-aliquot (U–Th)/He dating of hematite has been used to study iron-oxide precipitation in various environments, but we show there is an important challenge to the method: highly retentive hematite samples require temperatures of >1000 °C… read more here.

Keywords: hematite; hematite goethite; partial pressure; vacuum ... See more keywords
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CO2 partial pressure and fluxes in the Amazon River plume using in situ and remote sensing data

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Published in 2021 at "Continental Shelf Research"

DOI: 10.1016/j.csr.2021.104348

Abstract: Abstract Estimations of the global carbon budget include a quantitative understanding of the evolving processes that occur along river-to-ocean gradients. However, high spatiotemporal resolution observations of these processes are limited. Here we present in situ… read more here.

Keywords: river plume; river; amazon river; partial pressure ... See more keywords
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Acidogenesis driven by hydrogen partial pressure towards bioethanol production through fatty acids reduction

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Published in 2017 at "Energy"

DOI: 10.1016/j.energy.2016.12.017

Abstract: H2 partial pressure drives the reduction of carboxylic acid (short chain fatty acids) formed as primary metabolites in acidogenic fermentation to form bioalcohols. Microbial catalysis under the influence of H2 partial pressure was evaluated in… read more here.

Keywords: reduction; production; fatty acids; acidogenesis ... See more keywords
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Solar thermochemical splitting of H2O using Ca-Ferrite based redox reactions: Effect of partial pressure of O2

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Published in 2020 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2020.04.017

Abstract: Abstract The influence of the partial pressure of O2 ( P O 2 ) on the viability of the Ca-ferrite based solar thermochemical H2O splitting cycle was thermodynamically scrutinized. The thermodynamic parameters were estimated by… read more here.

Keywords: ferrite based; h2o; partial pressure; solar thermochemical ... See more keywords
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Kinetic studies for DRM over high-performance Ni–W/Al2O3–MgO catalyst

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Published in 2021 at "International Journal of Hydrogen Energy"

DOI: 10.1016/j.ijhydene.2021.08.021

Abstract: Abstract The reaction kinetics of DRM over high-performance Ni–W/Al2O3–MgO bimetallic catalyst is investigated in a fixed bed reactor. The variation of reaction rate is examined within the CH4 and CO2 partial pressure from 0.2 to… read more here.

Keywords: al2o3 mgo; performance al2o3; drm high; partial pressure ... See more keywords
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Rapid and precise partial pressure measurement of multiple gas species with mid-infrared electro-optic dual-comb spectroscopy

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Published in 2021 at "Optik"

DOI: 10.1016/j.ijleo.2021.167341

Abstract: Abstract In order to overcome the shortcoming of the TDLAS method, a partial pressure measurement method based on dual comb spectroscopy is proposed. The comb-based partial pressure measurement system comes with excellent performance in nearly… read more here.

Keywords: gas; pressure measurement; spectroscopy; measurement ... See more keywords