Transportation Engineering最新文献

{"title":"Multi-parameter geotechnical mapping of lateritic soils in the urban perimeter of Ngaoundal (Cameroon) for pavement and foundation design","authors":"Abdoul Aboubakar ,&nbsp;Blondel Thiery Talla Suffeu ,&nbsp;Donald Eric Teikeu Ngueveu ,&nbsp;Stephane Tagne Tchomtchoua ,&nbsp;Rodrigue Toteu Talla ,&nbsp;Bertol Ngouateu Nouwa ,&nbsp;Yannick Langollo Tchedele ,&nbsp;Quentin Marc Anaba Fotze ,&nbsp;Ilalie Bertille Kentsa Manefouet ,&nbsp;Thomas Tatietse Tamo","doi":"10.1016/j.treng.2025.100406","DOIUrl":"10.1016/j.treng.2025.100406","url":null,"abstract":"<div><div>Lateritic soils are widely used in tropical regions for road construction and urban infrastructure, yet their geotechnical variability poses challenges for stability and durability. This study presents a multi-parameter geotechnical mapping of soils from the urban perimeter of Ngaoundal, Adamawa, Cameroon, aiming to evaluate their suitability for supporting pavements and shallow foundations. Laboratory tests were conducted on water content, particle size distribution, plasticity index (PI), swelling potential, specific gravity, maximum dry density, California Bearing Ratio (CBR), and allowable stresses. Results indicate that water content ranges from 10.0 to 15.0 %, with fines fractions (silt and clay) between 14.6 and 24.7 %. Plasticity indices vary from 23.6 to 26.3 %, while swelling values range from 0.05 to 0.41, reflecting low moisture sensitivity. Specific gravity and maximum dry density values range from 2.580–2.648 g/cm³ and 2.040–2.188 g/cm³, respectively. High CBR values (78–95.1 %) and allowable stresses (0.237–3.671 MPa) demonstrate good load-bearing capacity. Based on a multi-parameter analysis, soils were classified into three categories: good, medium, and poor. Dense, low-plasticity soils are suitable for pavement layers and foundations, whereas high-plasticity, water-rich soils require stabilization measures such as compaction enhancement or chemical treatment. The generated geotechnical maps provide a spatial visualization of soil variability<strong>,</strong> offering practical guidance for engineers and urban planners to optimize design and construction in heterogeneous tropical soils. The study also establishes reference data for future infrastructure projects in Ngaoundal and similar tropical urban environments.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100406"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145575968","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Centrality analysis for railway network planning: constrained measures for High Speed","authors":"Corrado Rindone ,&nbsp;Antonio Russo","doi":"10.1016/j.treng.2025.100393","DOIUrl":"10.1016/j.treng.2025.100393","url":null,"abstract":"<div><div>High-Speed Rail (HSR) represents a sustainable travel option for serving passenger mobility at a medium–long distances. This research concerns the analysis of HSR with specific reference to transport services at a national territorial scale. The Transport System Models (TSM) lack the capacity to generate synthetic measures and indicators of the transport supply structure. This paper proposes to combine classical TSM approaches and network analysis (NA) focusing on two main research's issues: a) the possibility to develop a method based on NA to study the structure and topology of High-Speed Train (HST) service networks, using classical TSM approach; b) the necessity to specify appropriate centrality measures for a ‘line-based’ transport system. According to the two research’s issues, the paper has two main objectives: 1) to propose a criterion for extending, in a systematic way, NA tool to HST services, combining them with TSM approach; 2) to propose an advancement of centrality measures for analysing the level of connectivity between selected territories, by introducing temporal constraints that influence the quality of the connections served by the HSR. Classical and constrained centrality measures can support the planning of lines and their characteristics (e.g., travel times and frequencies). The proposed methodology is applied in a prototypal case study, for analyzing in a synthetical way the HST services available in Italy. The paper interests public and private decision-makers who want to design, formulate and evaluate a national organisation of HST services.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100393"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145267238","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Blended wing body designs for aerodynamic, stability, and control optimization: A comprehensive review","authors":"Ussama Ali ,&nbsp;Mohamed Okasha ,&nbsp;Tarek N. Dief ,&nbsp;Mostafa S.A. ElSayed ,&nbsp;Mohamed M. Kamra","doi":"10.1016/j.treng.2025.100397","DOIUrl":"10.1016/j.treng.2025.100397","url":null,"abstract":"<div><div>Blended wing body (BWB) aircraft design represents a transformative innovation in aerospace engineering, seamlessly integrating aerodynamic, structural, and propulsion advancements to achieve unprecedented efficiency and sustainability. This comprehensive review highlights the unique aerodynamic features of BWB configurations, including their superior lift-to-drag ratio, enhanced payload capacity, and reduced fuel consumption, offering a viable pathway to decarbonizing aviation. The study examines critical aspects of stability, control, and propulsion integration, addressing challenges such as the absence of traditional stabilizers, dynamic coupling of control axes, and manufacturing complexity. By leveraging multidisciplinary optimization frameworks, advanced computational tools, and smart material innovations, BWB designs are shown to hold promise for diverse applications, from commercial aviation to military and UAV systems. This review highlights the importance of future research in overcoming scalability, regulatory, and structural challenges to unlock the full potential of BWB technology.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100397"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145332483","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Classification of road transport earth retaining structures based on improved ConvNeXt V2","authors":"Md Zahidul Islam ,&nbsp;Chin Jian Leo ,&nbsp;Ju Jia Zou ,&nbsp;Eileen An ,&nbsp;Samanthika Liyanapathirana ,&nbsp;Pan Hu ,&nbsp;Bo Xiao ,&nbsp;Stanley Yuen","doi":"10.1016/j.treng.2025.100405","DOIUrl":"10.1016/j.treng.2025.100405","url":null,"abstract":"<div><div>An earth-retaining structure (ERS) is a type of wall widely used to support and protect soil, rock, or other earth materials in many parts of transport infrastructure. ERSs are constructed to create grade separation, particularly at inclined locations or where earth cuttings are required. Over 42 types of ERSs exist in the areas under the jurisdiction of Transport for New South Wales (TfNSW). For effective structural health monitoring, it is crucial to classify an ERS according to its type and establish its GPS coordinates and longitudinal length. The classification is necessary because the defects that occur in the ERS depend on its type. This study proposes a deep learning-based framework that leverages ConvNeXt V2 to classify ERS types and capture the relevant data from vehicle-mounted video capturing systems. The framework integrates spatial–temporal image sequences with GPS coordinates and longitudinal length to enhance context-aware recognition. An improved ConvNeXt V2 model is fine-tuned to learn rich visual features of ERS embedded with GPS metadata. The model is trained and evaluated on a dataset comprising diverse ERS classes captured across TfNSW road transport areas. The experimental results demonstrate significant improvements in classification accuracy and robustness. This emphasizes the potential of the proposed system for scalable, automated ERS inventory and condition assessment.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100405"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145525520","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"A mathematical model for re-balancing bike-sharing system bikes using public transportation fleet","authors":"Summair Anis,&nbsp;Mohammad Ali Farrokhpour,&nbsp;Davide Giglio","doi":"10.1016/j.treng.2025.100409","DOIUrl":"10.1016/j.treng.2025.100409","url":null,"abstract":"<div><div>The bike-sharing system has proved to be an efficient means of transportation for commuting short-distance trips within urban areas. It provides a cost-effective, flexible, and reliable solutions for commuters. However, managing these systems is complex due to the relocation strategies and operational costs associated with trucks usage which contribute to environmental issues and traffic congestion.</div><div>Thereby, this paper adopts a planning-oriented approach to conceptualize Ride-a-Bike system named as “RB” comprising of existing Public Transport (PT) buses with bike carriers. This system not only mitigate the issues of bike relocation, but also effective in managing passenger travel requests and optimizing operator’s additional revenues. The system is formulated as a Mixed-Integer Linear Programming (MILP) model to maximize bike relocation operations and operator’s additional revenue, through operation of RB system. Thereby, a trade-off between relocation operations and operator’s additional revenue is introduced through the provision of incentives to RB system passengers. The efficiency of the optimization model is evaluated using the PT network of Genova, Italy considering different operational scenarios involving bike demand, bike surplus, passenger demand, and dwell time thresholds. The results demonstrate that the proposed system efficiently performs bike relocation tasks while simultaneously optimize operator’s additional revenues, all while adhering to dwell time thresholds. The sensitivity analysis of operational parameters highlights the important statistics in terms of their impacts over the optimal objective values. Thus, it provides detailed insights for stakeholders to make informed decisions regarding adjustments to dwell time to better accommodate bike relocation demands.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100409"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145575971","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Age-related cracking resistance of waste PET plastic-modified Superpave hot mix asphalt containing rejuvenated RAP","authors":"Mohei Menul Islam,&nbsp;Quazi Sazzad Hossain","doi":"10.1016/j.treng.2025.100412","DOIUrl":"10.1016/j.treng.2025.100412","url":null,"abstract":"<div><div>Superpave hot mix asphalt (HMA), a superior-performing mixture compacted by a Superpave gyratory compactor (SGC) at high temperatures, provides better field performance than the Marshall Mix. Concerning economy and environment, reclaimed asphalt pavement (RAP), from old bituminous pavement can be utilized in the Superpave HMA. RAP carries oxidized bitumen, which has a negative impact on the cracking resistance. Polyethylene terephthalate (PET) from waste bottles can make HMA more resistant to cracking, whereas waste oils used as rejuvenators can make RAP less stiff. The opposite phenomenon of RAP and PET in the cracking resistance cannot be properly addressed by using only one cracking resistance evaluation method. Furthermore, to ensure long-term durability of asphalt pavement, age-related cracking resistance is important. Therefore, in this study, the age-related cracking resistance of PET-modified Superpave HMA containing rejuvenated RAP was evaluated by three methods: Illinois Flexibility Index (I-FIT), Louisiana Semi-Circular Bending (SCB), and Cantabro Abrasion test. To manufacture PET-modified and RAP-added Superpave HMA, 2 % and 4 % PET of two sizes, RAP of 0 %, 20 %, and 40 % rejuvenated by waste oil, and SGC for compaction were used. From the results for the I-FIT and SCB method, 4 % finer PET provided more age-related cracking resistance ability of Superpave HMA without RAP. This value was decreased after adding more rejuvenated RAP. The load-displacement diagram showed that 40 % rejuvenated RAP-added HMA had the stiffest slope and maximum peak load, which indicates the brittleness. However, in Cantabro Abrasion loss, the percentage of material loss was increased with PET and rejuvenated RAP.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100412"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145680792","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Evaluation of the performance of asphalt pavements subjected to frost heave and thaw settlement: A mechanistic modeling approach","authors":"Saeed Vosoughian,&nbsp;Romain Balieu","doi":"10.1016/j.treng.2025.100392","DOIUrl":"10.1016/j.treng.2025.100392","url":null,"abstract":"<div><div>This study presents a mechanics-based framework for evaluating the performance of asphalt pavements subjected to annual ground surface deformations induced by frost heave and thaw settlement. Within this framework, a novel thaw settlement model is developed and coupled with a thermomechanical frost heave model to represent the heaving and subsequent thawing behavior of the soil beneath pavements. In the proposed thaw settlement model, excess water generated during the melting of ice lenses is introduced as a damage parameter within a continuum mechanics formulation, resulting in a reduction of material stiffness. The frost heave–thaw settlement model is further coupled with a thermodynamics-based asphalt damage model to capture the progressive degradation of asphalt layers. The capabilities of the proposed framework are demonstrated through two study scenarios: (i) uniform frost heave and thaw settlement occurring across the entire subgrade layer. (ii) non-uniform frost heave and thaw settlement localized within a specific region of the subgrade. The results show that the proposed framework not only captures damage in the asphalt layer but also predicts temperature distributions, ice formation, and water content during freeze–thaw cycles. Furthermore, the analysis reveals that uniform heaving and settlement cause relatively minor asphalt damage but lead to surface unevenness, whereas non-uniform frost heave and settlement result in both surface irregularities and severe damage to the asphalt layer.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100392"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145227242","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"An integrated intelligent speed adaptation system for enhanced driver assistance, driving performance and safety","authors":"Abrar Hazoor ,&nbsp;Alessandra Lioi ,&nbsp;Giuseppe Marinelli ,&nbsp;Marco Bassani","doi":"10.1016/j.treng.2025.100407","DOIUrl":"10.1016/j.treng.2025.100407","url":null,"abstract":"<div><div>Advanced Driver Assistance Systems (ADAS) have become an integral part of modern vehicles, significantly changing the driving experience. Adaptive Cruise Control (ACC) assists drivers in maintaining a constant speed and a safe following distance; however, it does not moderate the speed along curves when sight limitations occur, thus compromising safety. To address these challenges, this study integrates the Intelligent Speed Adaptation for Visibility (V-ISA) system with ACC. The V-ISA system dynamically adjusts the vehicle speed based on real-time visibility conditions, thereby enhancing safety on road curves where sight distance is restricted. Additionally, this study evaluates the impact of the ACC + <em>V</em>-ISA system on driver performance, specifically focusing on speed management, lateral vehicle control, and driver experience with assistance systems. The study was conducted in a simulated environment with forty-five participants. The results revealed that the ACC + <em>V</em>-ISA system effectively reduced vehicle speed on curves with limited visibility. The ability of the system to regulate speed according to prevailing road conditions highlights its potential to improve road safety. Moreover, the findings suggest that using the V-ISA system integrated with ACC maintains user acceptance and satisfaction while imposing no additional mental workload compared to using ACC alone. These insights are crucial for the future design of ADAS and autonomous vehicles and emphasize the importance of introducing this system into vehicles.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100407"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145525521","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Conceptualization of an electromagnetic automatic transmission via mathematical modeling for vehicle drive-train applications","authors":"Garbe Chukulu ,&nbsp;Rajendiran Gopal ,&nbsp;Ramesh Babu Nallamothu ,&nbsp;Gang Gyoo Jin","doi":"10.1016/j.treng.2025.100398","DOIUrl":"10.1016/j.treng.2025.100398","url":null,"abstract":"<div><div>This research presents a comprehensive investigation of electromagnetic gearing systems for automotive powertrain applications, evaluating their potential to replace conventional mechanical automatic transmissions. Three fundamental electromagnetic architectures - Variable Volume Approach (VVA), Fixed Volume Approach (FVA or separate drive of individually magnetized ring), and Fixed Volume Approach Pole-based (FVAP) - are analyzed through five distinct design configurations employing harmonic and geometric sequencing. A rigorous analytical framework is developed to assess electromagnetic coupling dynamics, evaluating critical parameters including energy density, volumetric constraints, magnetic flux distribution, and torque transmission characteristics. Performance assessment using Gray Relational Analysis (GRA) reveals the FVAP configuration as superior (GRA grade: 0.95), demonstrating optimal torque density (3.01 MNm/m³ FEM) and specific torque (320-344 Nm/kg). Comparative analysis shows electromagnetic systems achieve 20–22 % higher specific torque than optimal range of mechanical planetary gears about (267–282 Nm/kg), though their volumetric torque density remains below conventional systems (3–5 MNm/m³). The study identifies key performance trade-offs: VVAH (0.72) and VVAG (0.68) deliver competitive torque but exhibit elevated flux leakage, while FVAG (0.58) and FVAH (0.64) show balanced but limited performance. The research highlights electromagnetic gearing as a transformative technology for weight-sensitive applications, offering inherent advantages including contactless operation, adaptive torque control, and reduced maintenance. Findings suggest these systems are particularly suitable for electric and hybrid vehicle architectures where power density and efficiency are critical. Future development pathways focus on advanced magnetic materials and superconducting implementations to bridge the volumetric performance gap. This work provides a foundational framework for next-generation transmission systems, establishing quantitative performance benchmarks and design guidelines for electromagnetic gearing in automotive applications.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100398"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362645","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Longitudinal and lateral performances of electrically assisted personal mobility vehicles: A comparative field test analysis of e-scooter, e-bicycle, and e-monowheel","authors":"Claire Naude,&nbsp;Ebrahim Riahi,&nbsp;Bastien Canu,&nbsp;Thierry Serre","doi":"10.1016/j.treng.2025.100404","DOIUrl":"10.1016/j.treng.2025.100404","url":null,"abstract":"<div><div>The increasing popularity of Electrically Assisted Personal Mobility Vehicles (e-PMVs) represents a significant shift in urban transportation, offering flexibility and environmental benefits, yet raising safety concerns, particularly regarding accidents involving vulnerable road users. Research on the dynamic performance of these vehicles is essential to address such concerns and ensure safer interaction with other vehicles and ease their integration into urban traffic. This study explores the longitudinal (braking and acceleration) and lateral (avoidance and slalom) performances of e-PMVs through 127 controlled track tests conducted by three e-scooter riders, two e-bicycle riders, and one e-monowheel rider using one of the most common models of these vehicles. Specific performance indicators were defined for each maneuver to evaluate and compare dynamic capabilities. Results show that e-bicycles exhibits the most effective braking performance, achieving decelerations close to 6 m/s², while e-scooters and e-monowheels demonstrate lower deceleration rates around 3.7 m/s² and 2.8 m/s², respectively. Acceleration is quite similar across vehicles, ranging from 0.7 to 0.9 m/s² in sport/turbo mode. Performance differences during evasive maneuvers are minimal, with maximum roll rate ranging between 70 and 110°/s and maximum roll angle between 15° and 22° In slalom, the e-monowheel shows the highest roll rate at 102°/s, followed by the e-bicycle at 87°/s and the e-scooter at 69°/s. The study highlights that e-PMVs, particularly e-scooters and e-monowheels, have substantially lower braking and acceleration capabilities than conventional motor vehicles, which likely increases the risk of traffic conflicts escalating into accidents. By filling a gap in the experimental knowledge base, especially concerning monowheels, these findings underscore the need for further research aimed at improving the design and safety features of e-PMVs, prioritizing improvements in braking efficiency and maneuverability to mitigate potential risks and offer users a safer mode of transportation.</div></div>","PeriodicalId":34480,"journal":{"name":"Transportation Engineering","volume":"22 ","pages":"Article 100404"},"PeriodicalIF":0.0,"publicationDate":"2025-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145424518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}