Results 21 to 30 of about 398,169 (307)

Effect of graphite nanoparticles on CO2 hydrate phase equilibrium [PDF]

open access: yes, 2016
Stepwise heating method was used to determine the hydrate phase equilibrium in the water containing graphite nanoparticles. The results show that, compared with deionized water at a given temperature, a significant upward shift of the formation pressure ...
Yu, Yi-song   +3 more
core   +1 more source

Thermodynamics-Informed Neural Network (TINN) for Phase Equilibrium Calculations Considering Capillary Pressure

open access: yesEnergies, 2021
The thermodynamic properties of fluid mixtures play a crucial role in designing physically meaningful models and robust algorithms for simulating multi-component multi-phase flow in subsurface, which is needed for many subsurface applications.
Tao Zhang, Shuyu Sun
doaj   +1 more source

Liquid-solid phase equilibrium study of tetradecane and hexadecane binary mixtures as phase change materials (PCMs) for comfort cooling storage [PDF]

open access: yes, 2003
Phase diagrams (equilibrium diagrams) are a convenient way of depicting the concentration-temperature-pressure relationships of a chemical system at equilibrium. They are invaluable to PCMs thermal storage researches and developers. In the present paper,
Setterwall, F.   +2 more
core   +1 more source

Effect of seawater ions on cyclopentane-methane hydrate phase equilibrium [PDF]

open access: yes, 2018
In present work, phase equilibrium of cyclopentane-methane hydrate formed in different salt solution systems was studied using an orthogonal test method.
Zang, Xueru   +7 more
core   +1 more source

A model to predict the thermodynamic stability of abiotic methane-hydrogen binary hydrates in a marine serpentinization environment

open access: yesFrontiers in Marine Science, 2023
Abiotic methane (CH4) and hydrogen (H2), which are produced during marine serpentinization, provide abundant gas source for hydrate formation on ocean floor.
Zhiwei Zhu   +4 more
doaj   +1 more source

ON SPECIAL FEATURES OF STUDYING ELECTRIC CONDUCTIVITY IN SPECIAL ELECTRON OPTICS GLASSES

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2019
The laws of the change in the electrophysical properties of the C87 – 2, C78 – 4, C78 – 5 glasses, used in electronic optics are studied. A comparative analysis of the effect of the transmitted electric current on the formation of a new phase and the ...
Z.V. Shomakhov   +2 more
doaj   +1 more source

Thermodynamic Analysis and Experimental Study on the Oxidation of PbX (X = S, Se) Nanostructured Layers

open access: yesMicromachines, 2022
Heat treatment in an oxygen-containing medium is a necessary procedure in the technology of forming photodetectors and emitters based on lead chalcogenides. Lead chalcogenide layers (PbS, PbSe) were prepared via a chemical bath deposition method. Surface
Evgeniya Maraeva   +3 more
doaj   +1 more source

Phase Control of TiO2 Prepared by TiCl4 Hydrolysis and Electrochemical Method [PDF]

open access: yes, 2017
The phase structure of  TiO2   dependent on  applications. It  is  importat to develop an effective method to control the phase structure of TiO2. In this study, the TiO2 was synthesized by TiCl4 hydrolysis method.
Nur, Adrian   +3 more
core   +2 more sources

Determinação do coeficiente de atividade na diluição infinita em sistemas etanol-água-sal por microextração em fase sólida-gc-fid

open access: yesQuímica Nova, 2014
A new method using the headspace solid phase microextraction (HS-SPME) technique was used to evaluate the infinite dilute activity coefficient (γ1∞) in an alcohol/water/salt system.
Andrew Milli Elias   +2 more
doaj   +1 more source

Metal–Organic Frameworks and Gas Hydrate Synergy: A Pandora’s Box of Unanswered Questions and Revelations

open access: yesEnergies, 2022
Recent research on the role of nanomaterials in gas hydrate science and a few review papers have highlighted the positive synergies between gas hydrates and metal–organic frameworks (MOFs) for gas separation and storage.
Jyoti Shanker Pandey, Nicolas von Solms
doaj   +1 more source

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