Fluid Phase Equilibria最新文献

{"title":"A geometric–statistical perspective on entropy and enthalpy–entropy compensation in coarse-grained free-energy landscapes","authors":"Vicente Domínguez-Arca","doi":"10.1016/j.fluid.2026.114693","DOIUrl":"10.1016/j.fluid.2026.114693","url":null,"abstract":"<div><div>Entropy is conventionally regarded as a scalar measure of disorder, while enthalpy is interpreted as the energetic contribution associated with microscopic interactions. This dichotomy underlies the standard decomposition of the Gibbs free energy, yet it obscures the geometric commonality of the mechanisms that produce both terms. Here, we develop a geometric–statistical reformulation of thermodynamic forces in coarse-grained landscapes in which coarse-grained variables evolve on a configuration manifold whose structure encodes the accessible microstates of the system. In isolated systems, this manifold exhibits a degeneracy of free-energy minima corresponding to a Mexican-hat landscape, reflecting maximal entropic freedom along continuous families of equivalent configurations. Coupling to an external environment lifts this degeneracy and deforms the manifold into a thermodynamic paraboloid, whose curvature quantifies the unified thermodynamic stiffness governing system response. We show that enthalpic and entropic contributions to thermodynamic forces arise as orthogonal projections of this local stiffness (Hessian) tensor <span><math><mrow><msub><mrow><mi>Λ</mi></mrow><mrow><mi>i</mi><mi>j</mi></mrow></msub><mrow><mo>(</mo><mi>T</mi><mo>)</mo></mrow></mrow></math></span>, thereby revealing a common microscopic origin. As a direct consequence, the well-known enthalpy–entropy compensation phenomenon emerges whenever the curvature of the configuration manifold remains invariant with temperature. This perspective reframes enthalpy and entropy as complementary geometric expressions of the same coarse-grained configuration-space structure. While not intended as a universal description of all thermodynamic systems, it provides a coherent and testable framework for a broad class of physico-chemical processes that admit meaningful collective coordinates and locally harmonic free-energy basins.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"606 ","pages":"Article 114693"},"PeriodicalIF":2.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192685","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermodynamic modelling of dissociating Al2Br6 and Al2Cl6 used as reactive working fluids in thermodynamic cycles","authors":"Julien Joliat ,&nbsp;Konstantin Samukov ,&nbsp;Rachid Hadjadj ,&nbsp;Thijs J.H. Vlugt ,&nbsp;Olivier Herbinet ,&nbsp;Silvia Lasala","doi":"10.1016/j.fluid.2026.114661","DOIUrl":"10.1016/j.fluid.2026.114661","url":null,"abstract":"<div><div>To enhance the efficiency of thermodynamic cycles in heat pumps and power plants, we explore a novel approach: replacing conventional inert pure fluids or mixtures with reactive fluids that undergo reversible chemical reactions. A key step towards the implementation of this concept is the development of a fully predictive framework for determining the thermodynamic properties of such reactive working fluids. In this context, the present work extends a semi-empirical methodology previously proposed by the authors, aiming to address the challenge introduced by newly developed reactive fluids for which experimental data are unavailable. The methodology presented in this work requires only the critical-point properties and acentric factor of the molecules participating in the chemical reaction. As in the earlier approach from the authors, it combines ab-initio quantum mechanics calculations to determine the ideal gas properties of each molecule, the a-thermal version of the “Peng-Robinson + EoS/<span><math><msubsup><mi>a</mi><mrow><mi>r</mi><mi>e</mi><mi>s</mi></mrow><mrow><mi>E</mi><mo>,</mo><mi>γ</mi></mrow></msubsup></math></span> mixing rules” equation of state and molecular Monte Carlo simulations to assess real fluid properties and enable cross-validation between methods. This work, however, applies a simplification to the force fields used in Monte Carlo simulations consisting in employing single-particle force fields instead of all-atom models. This strategy decreases the amount of experimental data required to parametrise the force field of each molecule contained in the reactive mixture, and allows the use of the same inputs in equation of state modelling and Monte Carlo simulations (i.e., molecular critical parameters). Indeed, this work proposes to calculate force field parameters using either the critical temperature and pressure, or the critical temperature and density of each molecule. The methodology is applied to two reactive systems, Al₂Br₆ ⇌ 2AlBr₃ and Al₂Cl₆ ⇌ 2AlCl₃. The results show that Monte Carlo predictions, although less accurate than those from the equation of state, remain acceptably close to experimental data, while the equation of state results demonstrate significantly higher accuracy.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"606 ","pages":"Article 114661"},"PeriodicalIF":2.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146122738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Thermodynamic modeling of formic acid with SAFT-VR Mie DBD for energy applications: Heat pumps, Rankine cycles, and CO₂ electrochemical reduction","authors":"Hamed Mgbatou Mounchingam,&nbsp;Yan Ding,&nbsp;Patrice Paricaud","doi":"10.1016/j.fluid.2026.114692","DOIUrl":"10.1016/j.fluid.2026.114692","url":null,"abstract":"<div><div>Formic acid (HCOOH) has attracted renewed interest as a sustainable chemical intermediate, liquid hydrogen carrier, and potential working fluid for thermodynamic cycles. This work presents a comprehensive thermodynamic study of pure formic acid and its mixtures using the SAFT-VR Mie doubly bonded dimer (DBD) equation of state. The pure component parameters of formic acid were optimized against vapor pressures, liquid densities, and vaporization enthalpies, achieving an excellent description of the experimental data. Binary interaction parameters were adjusted for formic acid mixtures with water, CO₂, and acetic acid, and an accurate description of vapor-liquid equilibria and excess enthalpies is obtained. The model was applied to simulate high-temperature heat pumps and Rankine cycles using carboxylic acids as working fluids. It is found that formic and acetic acids exhibit higher coefficients of performance than conventional refrigerants at elevated temperatures, but face significant practical constraints including corrosion issues, limited temperature range, low operating pressures, and large volumetric flow rates. An integrated process for high-grade formic acid production via CO₂ electrochemical reduction is simulated, combining three-compartment electrolysis cells with pressure-swing distillation for product purification. Energy integration using a formic acid heat pump to supply the distillation reboiler duty reduces the overall electricity consumption of the process making it viable in terms of operating cost. This study provides insights into the thermodynamic feasibility and practical limitations of formic acid in both energy conversion systems and sustainable chemical production processes.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"606 ","pages":"Article 114692"},"PeriodicalIF":2.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the alpha function and volume translation in the Peng-Robinson equation of state using volume-translated Helmholtz energy equations","authors":"George Tasios,&nbsp;Vasiliki Louli,&nbsp;Epaminondas Voutsas","doi":"10.1016/j.fluid.2026.114689","DOIUrl":"10.1016/j.fluid.2026.114689","url":null,"abstract":"<div><div>Cubic equations of state (CEoS) remain the standard tool for thermodynamic calculations in industrial applications, particularly in the oil and gas sector, due to their robustness and computational efficiency. Among them, the Peng-Robinson (PR) equation of state provides a well-established balance between accuracy in volumetric and phase-equilibrium predictions. Improvements to PR have primarily focused on two aspects: the temperature-dependent attractive term (α-function) and volume translation. While modifications of the α-function have been extensively investigated for their impact on vapor-pressure correlations and derivative properties, volume translation has largely been assessed only in terms of liquid-density predictions. In this work a consistent framework is developed to evaluate both modifications simultaneously by deriving a generalized set of Helmholtz free energy expressions and their derivatives, rigorously incorporating volume translation. First, the new formulation is presented and mathematically validated. Next, a systematic analysis is performed using several α-functions of various temperature dependencies, for the prediction of vapor pressures, isobaric and isochoric heat capacities. Overall, the Mathias-Copeman PR model provides the most accurate results for vapor pressures and isobaric heat capacities, while underperforming in isochoric heat capacities. Additionally, multiple temperature-independent and temperature-dependent volume translations are assessed against experimental saturated liquid densities, with the most reliable formulations identified. These are subsequently coupled with the Mathias Copeman α-function and the original Soave form and benchmarked against derivative-property data. The results show that combining this α-function with a linear temperature-dependent volume translation significantly enhances the predictive capability of the Peng-Robinson equation, particularly for volumetric and derivative properties.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"606 ","pages":"Article 114689"},"PeriodicalIF":2.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146192686","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Understanding the thermoresponsive behavior of L61/Water mixtures via MD and DPD simulations: A two-scale approach","authors":"N. Lauriello ,&nbsp;K. Sindelka ,&nbsp;D. Marchisio ,&nbsp;M. Casalegno","doi":"10.1016/j.fluid.2026.114688","DOIUrl":"10.1016/j.fluid.2026.114688","url":null,"abstract":"<div><div>Pluronics are nonionic amphiphilic copolymers with many applications in the pharmaceutical and cosmetic industry. In water these polymers may exist as unimers, micelles, and other supramolecular aggregates. The study of such phases by means of in-silico methods, like molecular dynamics and dissipative particle dynamics, can be expected to complement existing experimental data and better understand their molecular properties. In this work, we propose a two-scale approach where these two methods are combined to allow for the efficient study of Pluronics dynamics at different temperatures. The method is applied to study the thermoresponsive behavior of L61 in water. In line with the experimental data, our simulations show that L61 does not form micelles upon heating. At the highest concentration considered, a two-phase system is observed, where small and large aggregates coexist. This outcome and the applicability of the method to other Pluronics are discussed in the light of the existing literature.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"606 ","pages":"Article 114688"},"PeriodicalIF":2.7,"publicationDate":"2026-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146122737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Modeling flash points of biofuels using thermodynamically consistent neural networks","authors":"Maurício Prado de Omena Souza ,&nbsp;Diego Tavares Volpatto ,&nbsp;Antonio Marinho Barbosa Neto ,&nbsp;Mariana Conceição da Costa","doi":"10.1016/j.fluid.2026.114673","DOIUrl":"10.1016/j.fluid.2026.114673","url":null,"abstract":"<div><div>The flash point (FP) is an essential property for assessing flammability and ensuring safety in combustion processes. However, its experimental measurement is resource-intensive and data in the literature remains limited, especially for biofuel mixtures. To address this, predictive modeling has emerged as a promising alternative. This study investigates the capability of thermodynamically consistent neural network models to estimate FP, as well as hybrid approach that embeds a neural network constrained by Gibbs-Duhem equation within a thermodynamic model. The performance of these models was compared with that of a purely data-driven model and a widely used thermodynamic approach. The evaluation was conducted using a dataset comprising binary mixtures of 1-butanol and fatty acid ethyl esters (FAEEs). The data-driven and physically constrained neural network approaches achieved RMSE (Root Mean Squared Error) values of 2.518 K, 1.975 K, 2.798 K, and 2.470 K, while the thermodynamic model using NRTL providing a RMSE of 0.587 K, as expected given that its binary interaction parameters were fitted to the experimental FP data. In addition, incorporating physical constraints into the neural network models for FP prediction did not improve RMSE performance compared to the purely data-driven model, despite achieving improved consistency for the embedded physics equations as expected.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"605 ","pages":"Article 114673"},"PeriodicalIF":2.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Phase behavior of a water– hydrocarbon condensate mixture: phase diagram construction using CPA and PC-SAFT EoS, experimental design, and model validation","authors":"Mahmood Abdi,&nbsp;Devjyoti Nath,&nbsp;Shakerullah Turkman,&nbsp;Hassan Hassanzadeh","doi":"10.1016/j.fluid.2026.114691","DOIUrl":"10.1016/j.fluid.2026.114691","url":null,"abstract":"<div><div>Phase equilibria in water–hydrocarbon mixtures are complex due to water’s strong polarity, hydrogen bonding, and the nonpolar nature of hydrocarbons. This study investigates a mixture of water and a multicomponent condensate comprising <em>n</em>-pentane, <em>n</em>-hexane, cyclohexane, <em>n</em>-heptane, and toluene. Phase diagrams (T<em>z</em>) are constructed using CPA and PC<strong>-</strong>SAFT equations of state. Four equilibrium experiments—including vapor–aqueous (Set 1), vapor–oleic–aqueous (Set 2), and two vapor–oleic sets (Set 3 and Set 4)—are designed and conducted. Model performance is evaluated using root-mean-square deviation (RMSD). For vapor phases, PC<strong>-</strong>SAFT EoS predicts water content with RMSDs of 0.0269, 0.0194, 0.0143, and 0.0120 (Sets 1–4), while CPA EoS achieves 0.0201, 0.0099, 0.0109, and 0.0103. For the oleic phase (Sets 2–4), PC-SAFT EoS RMSDs are 0.0337, 0.0269, and 0.0122, while those of CPA EoS are 0.0512, 0.0387, and 0.0188.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"605 ","pages":"Article 114691"},"PeriodicalIF":2.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146184991","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Study on solvent extraction separation of polymethyl-substituted monocyclic aromatics from FCC LCO and its interaction mechanism","authors":"Qi Li,&nbsp;Jie Li,&nbsp;Hongli Chen,&nbsp;Weihua Xing,&nbsp;Jingxian Wang,&nbsp;Yingyun Qiao,&nbsp;Yuanyu Tian","doi":"10.1016/j.fluid.2026.114672","DOIUrl":"10.1016/j.fluid.2026.114672","url":null,"abstract":"<div><div>The efficient separation of aromatics from fluid catalytic cracking light cycle oil is crucial for improving oil quality and realizing the high-value utilization of aromatics. In this study, a two-step extraction-stripping high-efficiency separation method was developed, which successfully achieved the separation of nearly 99.99% pure aromatics. Focusing on the separation characteristics of polymethyl monocyclic aromatics, the extraction performances of sulfolane, dimethyl sulfoxide, and N, N-dimethylformamide was analyzed by GC-MS. Under the conditions of 318.15 K and 101.325 kPa, the liquid-liquid equilibrium (LLE) data of the extractant-p-xylene-heptane ternary system were determined. The results of the separation factor and distribution coefficient showed that sulfoxide had the best selectivity for polymethyl monocyclic aromatics, making it a potential high-efficiency extraction solvent. Furthermore, combined with density functional theory, the mechanism of solvent extraction of p-xylene from heptane was explored at the molecular level. Analyses of electrostatic potential, interaction energy, and reduced density gradient revealed that the main interaction was the van der Waals force. The LLE data were accurately correlated using the NRTL and UNIQUAC thermodynamic models, with the root-mean-square deviation values all below 0.0098. This study not only provides an efficient process for separating but also clarifies the structure-activity relationship between solvent molecular structure and extraction performance from both experimental and theoretical perspectives, providing a theoretical basis for the design and selection of high-performance separation solvents.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"605 ","pages":"Article 114672"},"PeriodicalIF":2.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146036504","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Selective SO2 absorption using phosphonium carboxylate ionic liquids","authors":"Nicolas Scaglione,&nbsp;Agilio A.H. Padua,&nbsp;Margarida Costa Gomes","doi":"10.1016/j.fluid.2026.114687","DOIUrl":"10.1016/j.fluid.2026.114687","url":null,"abstract":"<div><div>The properties and performance of absorbents for sulfur dioxide based on phosphonium carboxylate ionic liquids are tuned <em>via</em> the basicity of the anions. The SO₂ absorption capacity is reported at temperatures in the range 303–343<!--> <!-->K up to pressures of approximately 1<!--> <!-->bar, revealing a combination of thermodynamically favored physical and chemical absorption mechanisms. The reaction products were characterized by infrared and NMR spectroscopy. Surprisingly, both the basicity of the carboxylate anion and the length of the alkyl chains of the phosphonium cation have minimal impact on the total SO₂ uptake, but they are crucial for reversibility and also to reach a high selectivity of SO₂ over CO₂. The mechanisms of chemical sorption are distinct for the two gases, with an acid–base mechanism for CO₂ relying ion the basicity of the carboxylate anion and an addition mechanism for SO₂ directly on the carboxylate group. Low-basicity anions favor the SO₂ sorption, yielding ideal selectivity values near 200 at 1<!--> <!-->bar and near 400 at 1<!--> <!-->bar are obtained with the least basic carboxylate anions (aqueous <figure><img></figure> <span><math><mo>&lt;</mo></math></span> 3.7). Upon SO₂ capture, the viscosity of the media decreases, which is a major improvement over other types of ionic liquid sorbent. Computational chemistry calculations support the favorable thermodynamics of the chemical reaction between the anion and SO₂. Molecular dynamics simulations show that the solvation environments of SO₂ are not impacted by changes in anion basicity or cation size.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"605 ","pages":"Article 114687"},"PeriodicalIF":2.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146184994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Molecular dynamics simulations and cubic equations of state of high-pressure CO2-hydrocarbon mixtures: compressibility factor and fugacity coefficient","authors":"Juliana J․ F․ Souza-Rêgo ,&nbsp;Itamar Borges Jr ,&nbsp;Leonardo S․ de B․ Alves ,&nbsp;Luiz O․ V․ Pereira ,&nbsp;Ligia G․ Franco ,&nbsp;Jakler Nichele","doi":"10.1016/j.fluid.2026.114686","DOIUrl":"10.1016/j.fluid.2026.114686","url":null,"abstract":"<div><div>Molecular dynamics (MD) simulations were performed to investigate high-pressure thermodynamic properties of CO₂-hydrocarbon binary mixtures using different force field strategies ‒ united atom, all atom, and hybrid combinations. Simulations were carried out in the isothermal-isobaric (NPT) ensemble to obtain molar volumes as a function of pressure and composition. As a preliminary step, four cubic equations of state were tested against available compressibility factor data, and Peng-Robinson (PR) was selected as the reference cubic framework for the subsequent analyses. MD-derived molar volumes were then coupled to PR in a hybrid workflow: compressibility factors were computed and benchmarked against experimental data, and PR-based fugacity coefficients were evaluated using either PR-predicted or MD-derived molar volumes to quantify the sensitivity of <em>ϕ</em> to the volume source under identical (<em>P, T</em>, <strong><em>y</em></strong>) conditions. The results show that force field choice significantly affects high-pressure volumetric predictions, with TraPPE-based descriptions providing the closest agreement with experimental compressibility factors for CO₂ + CH₄ over the investigated conditions. Finally, effective PR mixture parameters were inferred by nonlinear least-squares fitting of the molar-volume form of PR to volumetric datasets, demonstrating that MD-generated <em>V_m</em>(<em>P, T</em>, <strong><em>y</em></strong>) data can serve as an independent input for cubic-EoS parameter inference when experimental information or calibrated mixture parameters are limited.</div></div>","PeriodicalId":12170,"journal":{"name":"Fluid Phase Equilibria","volume":"605 ","pages":"Article 114686"},"PeriodicalIF":2.7,"publicationDate":"2026-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146090662","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}