Articles with "equilibria" as a keyword



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Reduction and relative equilibria for the two-body problem on spaces of constant curvature

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Published in 2018 at "Celestial Mechanics and Dynamical Astronomy"

DOI: 10.1007/s10569-018-9835-7

Abstract: We consider the two-body problem on surfaces of constant nonzero curvature and classify the relative equilibria and their stability. On the hyperbolic plane, for each $$q>0$$q>0 we show there are two relative equilibria where the… read more here.

Keywords: equilibria; relative equilibria; two body; body problem ... See more keywords

Key Structural Features of Microvascular Networks Leading to the Formation of Multiple Equilibria

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Published in 2025 at "Bulletin of Mathematical Biology"

DOI: 10.1007/s11538-024-01404-y

Abstract: We analyse mathematical models of blood flow in two simple vascular networks in order to identify structural features that lead to the formation of multiple equilibria. Our models are based on existing rules for blood… read more here.

Keywords: multiple equilibria; equilibria; formation multiple; redundant vessels ... See more keywords

Measurements and calculations of solid-liquid equilibria in the quaternary system NaBr–KBr–Na2SO4–K2SO4–H2O at T = 348 K

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Published in 2017 at "Fluid Phase Equilibria"

DOI: 10.1016/j.fluid.2016.11.003

Abstract: Abstract Using an isothermal dissolution equilibrium method, solid-liquid equilibria in the quaternary system NaBr–KBr–Na 2 SO 4 –K 2 SO 4 –H 2 O were studied at T  = 348 K. The phase diagram, water diagram and… read more here.

Keywords: equilibria; nabr kbr; quaternary system; solid liquid ... See more keywords

In situ measurement of liquid-liquid equilibria by medium field nuclear magnetic resonance

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Published in 2017 at "Fluid Phase Equilibria"

DOI: 10.1016/j.fluid.2017.01.027

Abstract: Abstract A new method for non-invasive measurement of liquid-liquid equilibria (LLE) using a compact medium field nuclear magnetic resonance (NMR) spectrometer is presented. Mixing of all components, phase separation, and analysis of the composition of… read more here.

Keywords: liquid; field; medium field; measurement liquid ... See more keywords

Liquid-liquid equilibria of water + solutes (acetic acid/ acetol/furfural/guaiacol/methanol/phenol/propanal) + solvents (isopropyl acetate/toluene) ternary systems for pyrolysis oil fractionation

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Published in 2018 at "Fluid Phase Equilibria"

DOI: 10.1016/j.fluid.2018.04.016

Abstract: Abstract Solvent extraction of valuables compounds from pyrolysis oil is a promising way for biorefineries optimization, and the design of such operations requires accurate thermodynamic models based on experimental data. Liquid-liquid equilibria (LLE) were investigated… read more here.

Keywords: pyrolysis oil; liquid liquid; equilibria; liquid ... See more keywords

Experimental investigation on the phase equilibria in the system Sn–Zr (0–100 at.% Zr) by using “spot-technique” and DTA

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Published in 2021 at "Intermetallics"

DOI: 10.1016/j.intermet.2020.107082

Abstract: Abstract The solid-liquid equilibria in the system Sn–Zr were investigated experimentally by using the spot technique (thermo-optometry based technique) and differential thermal analysis. The liquidus in the composition range 0–80 at.% Zr was experimentally established. The… read more here.

Keywords: equilibria; using spot; system; equilibria system ... See more keywords

The phase equilibria in the Tl-S-I system and electrical properties of the Tl6SI4 and TlS compounds

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Published in 2019 at "Journal of Alloys and Compounds"

DOI: 10.1016/j.jallcom.2018.10.220

Abstract: Abstract The phase equilibria in the ternary Tl-S-I system were investigated experimentally by means of powder X-ray diffraction (PXRD) and differential thermal analysis (DTA). Five isopleth sections, liquidus surface projection and room temperature isothermal section… read more here.

Keywords: equilibria; equilibria system; system electrical; compounds phase ... See more keywords

Solid Liquid Phase Equilibria in the Ternary Systems NaCl–ZnCl2–H2O and MgCl2–ZnCl2–H2O at 298 K

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Published in 2020 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.0c00313

Abstract: The solid–liquid equilibria relationship in the two ternary systems sodium chloride–zinc chloride–water and magnesium chloride–zinc chloride–water at 298 K were investigated based on the isothermal... read more here.

Keywords: liquid phase; equilibria; zncl2; zncl2 h2o ... See more keywords

Phase Behavior of Binary Mixtures Containing Succinic Acid or Its Esters

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Published in 2017 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.7b00005

Abstract: This work provides experimental data and thermodynamic modeling on phase equilibria of binary mixtures that are relevant for esterification reactions. The components under investigation include water, succinic acid (SA), ethanol (EtOH), 1-butanol (1-BuOH), and the… read more here.

Keywords: binary mixtures; succinic acid; equilibria; dbs ... See more keywords

Isobaric Vapor Liquid Equilibria for Binary Mixtures of Isoamyl Acetate + Ethyl Acetate at 50 and 100 kPa

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Published in 2019 at "Journal of Chemical & Engineering Data"

DOI: 10.1021/acs.jced.8b01053

Abstract: In this work new phase equilibria data for the system ethyl acetate + isoamyl acetate at pressures of 50 and 100 kPa are reported. The measures were carried out in the equilibrium apparatus FISCHER LABODEST… read more here.

Keywords: equilibria; ethyl acetate; isoamyl acetate; 100 kpa ... See more keywords

Unveiling the Role of Intracellular Dissolution Equilibria in the Antioxidant Mechanism of Ceria Nanoparticles.

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Published in 2025 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.5c02505

Abstract: It is well-known that ceria nanoparticles (CNPs) exhibit significant antioxidant activity, offering potential applications in the treatment of ROS-related pathologies. This activity of CNPs as a nanozyme is typically interpreted by considering Ce(III)/Ce(IV) equilibria on… read more here.

Keywords: ceria nanoparticles; dissolution equilibria; equilibria; mechanism ... See more keywords