| Naslov: | Nearest neighbor permutation entropy detects phase transitions in complex high-pressure systems |
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| Avtorji: | ID Pessa, Arthur A. B. (Avtor)
ID Voltarelli, Leonardo G. J. M. (Avtor)
ID Cardozo-Filho, Lúcio (Avtor)
ID Tamara, Andres G. M. (Avtor)
ID Dariva, Claudio (Avtor)
ID Ndiaye, Papa M. (Avtor)
ID Perc, Matjaž (Avtor)
ID Ribeiro, Haroldo V. (Avtor) |
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| Datoteke: |  RAZ_Pessa_Arthur_A._B._2025.pdf (3,19 MB)
MD5: 836AA1C0EEBAD14A7893875722628F0F
 https://doi.org/10.1038/s41598-025-06016-7
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| Jezik: | Angleški jezik |
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| Vrsta gradiva: | Znanstveno delo |
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| Tipologija: | 1.01 - Izvirni znanstveni članek |
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| Organizacija: | FNM - Fakulteta za naravoslovje in matematiko
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| Opis: | Understanding the high-pressure phase behavior of carbon dioxide-hydrocarbon mixtures is of considerable interest owing to their wide range of applications. Under certain conditions, these systems are not amenable to direct visual monitoring, and experimentalists often rely on spectrophotometric data to infer phase behavior. Consequently, developing computationally efficient and robust methods to leverage such data is crucial. Here, we combine nearest neighbor permutation entropy, computed directly from in situ near-infrared absorbance spectra acquired during depressurization trials of mixtures of carbon dioxide and a distilled petroleum fraction, with an anomaly detection approach to identify phase transitions. We show that changes in nearest neighbor entropy effectively signal transitions from initially homogeneous mixtures to two-phase equilibria, thereby enabling accurate out-of-sample online predictions of transition pressures. Our approach requires minimum data preprocessing, no specialized detection techniques or visual inspection of the spectra, and is sufficiently general to be adapted for studying phase behavior in other high-pressure systems monitored via spectrophotometry. |
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| Ključne besede: | nearest neighbors, permutation entropy, phase transition, complex system, social physics |
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| Status publikacije: | Objavljeno |
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| Verzija publikacije: | Objavljena publikacija |
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| Poslano v recenzijo: | 16.02.2025 |
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| Datum sprejetja članka: | 05.06.2025 |
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| Datum objave: | 01.07.2025 |
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| Leto izida: | 2025 |
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| Št. strani: | 11 str. |
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| Številčenje: | Letn. 15, št. članka 22410 |
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| PID: | 20.500.12556/DKUM-93593  |
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| UDK: | 53 |
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| COBISS.SI-ID: | 241397251 |
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| DOI: | 10.1038/s41598-025-06016-7 |
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| ISSN pri članku: | 2045-2322 |
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| Datum objave v DKUM: | 04.07.2025 |
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| Število ogledov: | 0 |
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| Število prenosov: | 2 |
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| Metapodatki: |    |
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| Področja: | Ostalo
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