Renewable Energy最新文献

{"title":"Stepwise multi-objective optimization for high-concentration and uniform four-dish solar concentrators","authors":"Yanlong Zhang ,&nbsp;Pengzhen Guo ,&nbsp;Mengfan Tian ,&nbsp;He Chen ,&nbsp;Rongqiang Liu ,&nbsp;Zongquan Deng ,&nbsp;Lifang Li","doi":"10.1016/j.renene.2026.125351","DOIUrl":"10.1016/j.renene.2026.125351","url":null,"abstract":"<div><div>The advancement of solar-thermal concentrators requires architectures that combine high flux density, uniform focal distribution, and structural simplicity. However, multi-dish systems often suffer from coupled trade-offs among concentration, spot uniformity, and geometric stability, which can limit thermal efficiency and increase hot-spot risk in high-temperature applications. This study targets this coupled-design challenge by enabling a controllable and robust focal spot in a modular multi-dish architecture. This study presents a four-dish off-axis conjugate concentrator optimized through a global optimization framework that integrates ray-tracing simulations with a unified objective function. The objective is to achieve high effective concentration while simultaneously improving flux uniformity and spot geometry under practical alignment/manufacturing uncertainties. The framework adopts a staged dynamic-weighting strategy to achieve a smooth transition from \"energy concentration\" to \"focal spot quality\". Unlike traditional approaches that vary numerous complex structural parameters, the proposed design constrains the optimization space to radial and axial displacement, focal length, and receiver dimensions, thereby simplifying assembly requirements while still enabling high-dimensional exploration of optical behavior. Optimization results demonstrate coordinated improvements across all metrics: the concentrator sustains <span><math><mrow><msub><mi>C</mi><mn>95</mn></msub></mrow></math></span> above the design threshold (<span><math><mrow><msub><mi>C</mi><mtext>threshold</mtext></msub><mo>=</mo></mrow></math></span> 600), increases spot uniformity from 0.38 to 0.53, reduces RMS radius to 38 mm, and lowers the shape factor to 0.25, yielding a compact and geometrically stable focal spot. Outdoor validation confirmed these findings: under 35 °C and 620 W/m², the prototype reached 783 °C within 4 s and achieved <span><math><mrow><msub><mi>C</mi><mrow><mn>95</mn><mo>≈</mo></mrow></msub></mrow></math></span> 742, exhibited uniform, repeatable heat maps with strong tolerance to disturbances. These results contribute a four-dish off-axis conjugate architecture that suppresses off-axis aberration-induced spot degradation, and a staged, unified optimization framework that explicitly balances concentration–uniformity–spot geometry with experimental validation, providing a practical pathway toward deployable high-flux multi-dish concentrators.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125351"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146096110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Adaptive pitch control for power stabilization of floating offshore wind turbines","authors":"Haorong Ren ,&nbsp;Zhe Tian ,&nbsp;Lei Han ,&nbsp;Songping Meng ,&nbsp;Yang Yang","doi":"10.1016/j.renene.2026.125392","DOIUrl":"10.1016/j.renene.2026.125392","url":null,"abstract":"<div><div>The precise attenuation of wind-wave coupling perturbations on power generation stability constitutes a pivotal element in enhancing the operational efficacy of floating offshore wind turbines. A novel two-stage power stabilization control framework, integrating field data fusion forecasting with adaptive pitch regulation, is proposed to ameliorate coupled hydrodynamic-aerodynamic disturbances. A hybrid forecasting model is leveraged to predict the turbine's power output by discerning nonlinear wind-wave interactions, thereby furnishing preliminary power predictions for the subsequent two-stage variability reduction control. Spectral analysis is exploited to delineate wave-dominant frequencies in the initial stage of the control process, whilst an adaptive moving average algorithm adjusting the smoothing window dimensions dynamically, thereby refining power equilibrium. The second-stage control deploys a dual-mode pitch regulation methodology that distinguishes between two regions autonomously, applying proportional control for small-angle corrections to maximize energy capture beneath rated wind speeds judiciously, whereas constrained pitch control adjustments are activated during wind power ramp events to suppress excessive power slope variations. The robustness of the proposed framework is validated through experimental analysis utilizing offshore wind farm telemetry data, where frequency-domain decomposition reveals that 97.06% of spectral energy remains within aerodynamic-dominant frequencies, suppressing wave-induced oscillations effectively. Quantitative evaluations demonstrate a 95% reduction of wind power ramp events, accompanied by a 43.6% reduction in power slope variability and an 82.9% decrease in pitch actuator interventions.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125392"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 a novel phase-change wood roof integrated with diurnal photovoltaic conversion and nocturnal sky radiative cooling","authors":"Weikai Wang ,&nbsp;Zhen Zhu ,&nbsp;Chuting Lai ,&nbsp;Huabo Wu ,&nbsp;Jie Ji ,&nbsp;Niansi Li ,&nbsp;Bendong Yu","doi":"10.1016/j.renene.2026.125442","DOIUrl":"10.1016/j.renene.2026.125442","url":null,"abstract":"<div><div>Wooden buildings offer significant carbon reduction benefits due to their renewable nature. This study develops a phase change wood roof photovoltaic coupling system that lowers panel temperature during the day to maintain efficiency and releases stored heat at night. Using vacuum impregnation, white poplar wood achieved a paraffin loading of 41.6%, with latent heat capacities of 55.9 J/g for phase change material-38 and 54.5 J/g for phase change materia-23. Epoxy encapsulation reduced mass loss from 1.38% to 0.29%. We constructed indoor and outdoor experimental platforms to test phase change materials, showing that phase change materia-23 reduced indoor temperature fluctuations by 2.91 °C, while photovoltaic coupling further alleviated heat retention. In outdoor tests, phase change materia-23 notably lowered the noon peak indoor temperature by 2–3 °C compared to normal wood. At night, the interior wall temperature of photovoltaic phase change wood is 1–2 °C lower than that of photovoltaic normal wood structure buildings. Phase change materia-23 also achieved 13.93% photovoltaic efficiency, 4.81% higher than the reference module. A numerical model predicted that phase change materia-23 reduces annual temperature fluctuations by 4.73 °C in tropical humid climates and phase change materia-38 by 8.07 °C in arid regions.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125442"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Porous cubic ZnSnO3 nanocatalysts designed via DC-glow non-thermal plasma-boosted and corn starch derived carbon-template induced co-precipitation manner: Enhanced esterification of oleic acid","authors":"Ali Mohammadi ,&nbsp;Mohammad Haghighi ,&nbsp;Maryam Shabani ,&nbsp;Omid Mohammadi Vaniar","doi":"10.1016/j.renene.2026.125191","DOIUrl":"10.1016/j.renene.2026.125191","url":null,"abstract":"<div><div>Novel porous cubic ZnSnO₃ nanocatalysts designed via co-precipitation manner boosted with corn starch derived carbon-template and DC-glow non-thermal plasma was evaluated as an acidic catalyst in biodiesel production by esterification process. The characterization of the nanocatalysts modified by corn starch derived carbon-template and DC-glow non-thermal plasma technology was performed using XRD, FESEM, BET-BJH, TPD-NH₃, 3D texture analysis, TEM and HRTEM techniques. The results showed that the novel modified sample via 10 wt% corn starch derived carbon-template (ZSO (HT = 10 %)), used for the first time in biofuel production, exhibited the best activity (84.8 %). its plasma-treated form (ZSO(HT = 10 %)-P) achieved the highest conversion (90.2 %) in oleic acid esterification. Corn starch derived carbon-template and DC-glow non-thermal plasma have a significant impact on the morphology of ZnSnO₃. The sample ZSO(HT = 10 %)-P, in comparison with unmodified ZSO, exhibited higher macropore density, macropore volume (0.2004 cm³/g), mean pore diameter (37.8 nm), and density of acidic sites (17.2 μmol/m²). Also, during 5 periods of repeated use of (ZSO(HT = 10 %)-P), its structure and morphology remained unchanged without any drop in conversion percentage. Finally, the proposed simplified kinetic model and reaction mechanism were investigated and optimized by genetic algorithm across different temperatures and reaction times.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125191"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146096095","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"High-performance solid recovered fuel from food waste digestate and bamboo powder: Mechanistic insights into structural reinforcement and combustion stability","authors":"Xuan-Xin Chen ,&nbsp;Zhi-Yi He ,&nbsp;Yun-Yan Gao ,&nbsp;Hao Zhang ,&nbsp;Hou-Feng Wang ,&nbsp;Raymond Jianxiong Zeng","doi":"10.1016/j.renene.2026.125362","DOIUrl":"10.1016/j.renene.2026.125362","url":null,"abstract":"<div><div>Food waste digestate (FD), a byproduct of anaerobic digestion, poses resource potential but also challenges due to high moisture, low calorific value, and high ash content, which limit direct incineration. This study investigated co-pelletization of FD with bamboo powder (BP), a high-calorific biomass with binding capacity, to produce stable, energy-dense fuel. FD and BP were blended at ratios from 90:10 to 50:50 and pelletized at 120 °C and 120 MPa. BP addition enhanced pellet structure, with compressive strength increased by &gt;120% and abrasion loss dropping below 1% at FD/BP = 5:5, while storage stability improved. The higher heating value (HHV) increased by 30.3% to 13.3 MJ/kg, and thermogravimetric analysis showed synergistic effects: ignition and burnout temperatures fell to 277 °C and 542 °C, and the combustion index reached 5.07 × 10⁻⁷. Gas analysis indicated slightly higher CO₂ release but more complete CO oxidation and reduced NO emissions at higher BP levels. Ash characterization confirmed enhanced slagging resistance via higher Si/Al and lower base-to-acid ratios, yielding fusion temperatures &gt;1300 °C. Overall, FD/BP co-pelletization converts digestate into durable, energy-rich fuel with improved combustion and slagging resistance, offering a promising route for waste valorization, subject to further pilot-scale validation and TEA/LCA evaluation.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125362"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146096107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Protonic ceramic electrolysis cells (PCECs) for a sustainable hydrogen economy: A comprehensive life cycle analysis","authors":"Zheng Li ,&nbsp;Nan Zheng ,&nbsp;Xi Chen ,&nbsp;Idris Temitope Bello ,&nbsp;Zhipeng Zhou ,&nbsp;Yanya Liu ,&nbsp;Mengxuan Zeng ,&nbsp;Meng Ni","doi":"10.1016/j.renene.2026.125388","DOIUrl":"10.1016/j.renene.2026.125388","url":null,"abstract":"<div><div>Using protonic ceramic electrolysis cells (PCECs) to generate hydrogen is one of prospective pathways to realize global energy transition. Aiming to deliver an in-depth environmental and economic description, an investigation combining life cycle and life cycle cost assessment is presented. Notably, the various environmental impacts of the produced hydrogen are monetized in this work through the environmental price method. Over 90% of the environmental costs are caused by the CO₂ and chromium emissions throughout the hydrogen production lifecycle. Electricity consumption is identified as the dominant contributor (&gt;96%) to the CO₂ emissions. Additionally, the metallic components used in PCEC stacks, such as interconnects, contributes approximately 50% of the chromium emissions. Consequently, optimizing the PCEC stack design to minimize steel usage and increasing the percentages of renewable electricity are possible strategies to mitigate the environmental damages. Levelized cost of hydrogen (LCOH) rises by 7% to 5.2 $/kg H₂ when the environmental costs are considered. It reveals that as the scale of hydrogen production increases, the impact of environmental costs on LCOH will decrease. This work deepens the understanding of hydrogen production using PCECs and offers potential strategies to further enhance the sustainability and economic competitiveness of the produced hydrogen.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125388"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186260","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Dynamic heat extraction and development optimization of enhanced geothermal system based on forward simulation and data-driven methods-A review","authors":"Shuxing Mu ,&nbsp;Lianheng Zhao ,&nbsp;Ao Zhang","doi":"10.1016/j.renene.2026.125417","DOIUrl":"10.1016/j.renene.2026.125417","url":null,"abstract":"<div><div>Achieving efficient development of hot dry rock (HDR) facilitates the transition of the energy structure from high-carbon to low-carbon and even carbon-free, accelerates the substitution process for fossil fuels, and provides robust support for the green transformation of the global energy system. This paper provides a comprehensive overview of mechanistic models (forward simulation), data-driven models, mechanism and data-driven models, and development scheme optimization for HDR heat extraction. Within mechanistic models, we focus on elaborating the research status and development suggestions for discrete fracture network (DFN) models. Subsequently, the research status of data-driven models, as well as mechanistic and data-driven models, in the field of HDR development is thoroughly discussed. Regarding HDR development scheme optimization, a systematic evaluation is conducted from two aspects: well pattern deployment and production systems. Finally, development prospects are highlighted from three key areas: fundamental theories of HDR heat extraction, mechanism and data-driven models, and HDR development scheme optimization. This paper aims to establish a theoretical and methodological foundation for realizing the efficient exploitation of HDR geothermal resources and accelerating the intelligent transformation of geothermal development.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125417"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186247","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Two-stage optimal scheduling of CHP microgrid considering renewable energy correlation and risk control","authors":"Xiangwan Liu ,&nbsp;Manguo Zhou ,&nbsp;Kaiming Zhang ,&nbsp;Rongcan Xiao ,&nbsp;Xuejun Hu ,&nbsp;Fan Ma","doi":"10.1016/j.renene.2026.125299","DOIUrl":"10.1016/j.renene.2026.125299","url":null,"abstract":"<div><div>To address the temporal coupling characteristics inherent in renewable energy generation and the dispatch deviations induced by extreme risk events, this study proposes a two-stage optimal scheduling framework considering renewable energy correlation and risk control. A Clayton copula-based joint distribution model is first constructed using historical wind and solar generation data to accurately characterize their interdependence. Subsequently, stochastic renewable energy scenarios are generated via Markov Chain Monte Carlo (MCMC) sampling, followed by inverse transform sampling to obtain a representative scenario set. Building upon this, a scenario-based stochastic optimization model integrating conditional value-at-risk (CVaR) is formulated for the day-ahead scheduling stage, aiming to minimize total system costs by jointly considering operational expenditures and risk exposure. In the intra-day scheduling stage, a model predictive control (MPC) strategy is employed to dynamically adjust scheduling decisions in response to ultra-short-term forecast deviations, thereby enhancing real-time system adaptability. The proposed method is validated through comprehensive case studies, which demonstrate a reduction in total scheduling cost by 2.80 % and in risk cost by 3.30 % compared to conventional methods, while achieving a renewable utilization rate of 94.79 %. The proposed method enables operators to better balance operational efficiency and risk mitigation.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125299"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186377","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Performance evaluation and operation strategy for off-grid solar-driven hydrogen generation systems with energy storage","authors":"Xianyang Liu ,&nbsp;Tianyu Zhu ,&nbsp;Zhihao Wei ,&nbsp;Rui Long ,&nbsp;Zhichun Liu","doi":"10.1016/j.renene.2026.125375","DOIUrl":"10.1016/j.renene.2026.125375","url":null,"abstract":"<div><div>Solar-driven hydrogen generation system provides a promising technical way for solar energy harvesting. Here, an off-grid solar-driven hydrogen production system with energy storage based on photovoltaic (PV), osmotic heat engines (OHE), proton exchange membrane electrolysis cell (PEMEC) and lithium-ion battery is established. An energy control strategy, incorporating a sequence operation strategy for the PEMEC array, is designed to manage power allocation and enable all-day energy management. The effects of light conditions, adsorption desalination (AD) cycle time, and minimum state of charge (SOC_min) of lithium-ion battery on the hydrogen production performance and operation stability are systematically analyzed. Under clear summer conditions, the system achieves a maximum daily hydrogen production of 3877.67 L, with PEMEC units operating at rated power for an average of 11.47 h, supported by a nocturnal OHE output of 332.97 W. Longer AD cycle times enhance daytime Gibbs free energy storage, increasing nocturnal power output and hydrogen yield, whereas shorter cycles extend PEMEC operation under fluctuating power. A lower battery SOC_min of 0.4 maximizes daily hydrogen production (3893.38 L) and rated-power operation duration (11.62 h), despite greater power deviation, compared to higher SOC_min settings which accelerate charge-discharge transitions and affect nocturnal OHE output.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125375"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186330","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Experimental study on energy and exergy performance of an innovative full-scale pavement integrated photovoltaic thermal system integrated with a thermal storage unit","authors":"Emad Parvazeh ,&nbsp;Hadi Farzan ,&nbsp;Mohammad Shafiey Dehaj ,&nbsp;Mehran Ameri","doi":"10.1016/j.renene.2026.125380","DOIUrl":"10.1016/j.renene.2026.125380","url":null,"abstract":"<div><div>Pavement Integrated Photovoltaic Thermal (PIPVT) systems represent a novel approach that utilizes existing infrastructure to harvest electrical and thermal energy simultaneously. While prior research has primarily relied on simplified numerical models or limited laboratory testing, this study conducts a full-scale experimental campaign to provide a crucial empirical analysis of a novel PIPVT system under outdoor conditions. The system integrates a serpentine pipe network within the pavement, serving a dual purpose: actively cooling the photovoltaic (PV) cells to enhance their electrical efficiency and harvesting thermal energy from the road surface. Furthermore, the transient dynamics of an integrated thermal storage unit were monitored and analyzed in this study. An experimental setup was fabricated and tested outdoors to analyze the system's performance at two water mass flow rates: 0.05 kg/s and 0.12 kg/s.</div><div>The findings establish the water mass flow rate as a critical operational parameter. The active thermal management provided by the higher flow rate effectively reduced the peak PV cell temperature by 8 °C, resulting in a notable 16% increase in peak electrical power output. This optimization led to a superior overall daily energy efficiency of 26.79%, compared to 24.92% for the low-flow system. Exergy analysis confirmed that the system's overall exergy efficiency of 5.88% is predominantly driven by the high-quality electrical output, thereby validating the value of active PV cooling. This research provides essential real-world data, confirming the benefits of this promising technology.</div></div>","PeriodicalId":419,"journal":{"name":"Renewable Energy","volume":"262 ","pages":"Article 125380"},"PeriodicalIF":9.1,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"146186268","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}